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• phonegap.js crashes android app

  - by peirix

  I'm having this weird problem, where including the phonegap.js file in my project causes the app to crash on both the android emulator and my phone. I got the latest file from GitHub, so I can't see why this isn't working. This happens even if I try to build the sample project that's included in the PhoneGap download... Console log: [2010-12-17 11:05:14 - sample] Android Launch! [2010-12-17 11:05:14 - sample] adb is running normally. [2010-12-17 11:05:14 - sample] Performing com.phonegap.sample.sample activity launch [2010-12-17 11:05:14 - sample] Automatic Target Mode: using existing emulator 'emulator-5554' running compatible AVD 'FirstDevice' [2010-12-17 11:05:16 - sample] Uploading sample.apk onto device 'emulator-5554' [2010-12-17 11:05:16 - sample] Installing sample.apk... [2010-12-17 11:05:21 - sample] Success! [2010-12-17 11:05:22 - sample] Starting activity com.phonegap.sample.sample on device emulator-5554 [2010-12-17 11:05:23 - sample] ActivityManager: Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.phonegap.sample/.sample } LogCat: 12-17 11:13:12.533: DEBUG/AndroidRuntime(373): >>>>>> AndroidRuntime START com.android.internal.os.RuntimeInit <<<<<< 12-17 11:13:12.533: DEBUG/AndroidRuntime(373): CheckJNI is ON 12-17 11:13:13.453: DEBUG/AndroidRuntime(373): Calling main entry com.android.commands.pm.Pm 12-17 11:13:13.503: DEBUG/AndroidRuntime(373): Shutting down VM 12-17 11:13:13.513: DEBUG/dalvikvm(373): GC_CONCURRENT freed 101K, 71% free 297K/1024K, external 0K/0K, paused 2ms+2ms 12-17 11:13:13.523: INFO/AndroidRuntime(373): NOTE: attach of thread 'Binder Thread #3' failed 12-17 11:13:13.523: DEBUG/dalvikvm(373): Debugger has detached; object registry had 1 entries 12-17 11:13:14.113: DEBUG/AndroidRuntime(383): >>>>>> AndroidRuntime START com.android.internal.os.RuntimeInit <<<<<< 12-17 11:13:14.113: DEBUG/AndroidRuntime(383): CheckJNI is ON 12-17 11:13:14.853: DEBUG/AndroidRuntime(383): Calling main entry com.android.commands.am.Am 12-17 11:13:14.894: INFO/ActivityManager(62): Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10000000 cmp=com.phonegap.sample/.sample } from pid 383 12-17 11:13:14.973: INFO/ActivityManager(62): Start proc com.phonegap.sample for activity com.phonegap.sample/.sample: pid=391 uid=10031 gids={1006, 3003, 1015} 12-17 11:13:14.983: DEBUG/AndroidRuntime(383): Shutting down VM 12-17 11:13:15.053: DEBUG/dalvikvm(383): GC_CONCURRENT freed 102K, 69% free 319K/1024K, external 0K/0K, paused 2ms+2ms 12-17 11:13:15.093: INFO/AndroidRuntime(383): NOTE: attach of thread 'Binder Thread #3' failed 12-17 11:13:15.143: DEBUG/dalvikvm(383): Debugger has detached; object registry had 1 entries 12-17 11:13:15.523: DEBUG/dalvikvm(33): GC_EXPLICIT freed 11K, 54% free 2520K/5379K, external 716K/1038K, paused 467ms 12-17 11:13:15.663: DEBUG/dalvikvm(33): GC_EXPLICIT freed <1K, 54% free 2520K/5379K, external 716K/1038K, paused 132ms 12-17 11:13:15.772: DEBUG/dalvikvm(33): GC_EXPLICIT freed <1K, 54% free 2520K/5379K, external 716K/1038K, paused 113ms 12-17 11:13:16.333: INFO/ARMAssembler(62): generated scanline__00000177:03515104_00001002_00000000 [ 87 ipp] (110 ins) at [0x43aff6f0:0x43aff8a8] in 686000 ns 12-17 11:13:17.493: INFO/ActivityManager(62): Displayed com.phonegap.sample/.sample: +2s540ms 12-17 11:13:18.163: DEBUG/szipinf(391): Initializing inflate state 12-17 11:13:18.173: DEBUG/szipinf(391): Initializing zlib to inflate 12-17 11:13:18.573: WARN/dalvikvm(391): JNI WARNING: jarray 0x40567330 points to non-array object (Ljava/lang/String;) 12-17 11:13:18.593: INFO/dalvikvm(391): "WebViewCoreThread" prio=5 tid=9 NATIVE 12-17 11:13:18.603: INFO/dalvikvm(391): | group="main" sCount=0 dsCount=0 obj=0x4051b880 self=0x1af760 12-17 11:13:18.603: INFO/dalvikvm(391): | sysTid=400 nice=0 sched=0/0 cgrp=default handle=1778000 12-17 11:13:18.623: INFO/dalvikvm(391): | schedstat=( 851184092 892639082 140 ) 12-17 11:13:18.633: INFO/dalvikvm(391): at android.webkit.LoadListener.nativeFinished(Native Method) 12-17 11:13:18.633: INFO/dalvikvm(391): at android.webkit.LoadListener.nativeFinished(Native Method) 12-17 11:13:18.653: INFO/dalvikvm(391): at android.webkit.LoadListener.tearDown(LoadListener.java:1200) 12-17 11:13:18.653: INFO/dalvikvm(391): at android.webkit.LoadListener.handleEndData(LoadListener.java:721) 12-17 11:13:18.653: INFO/dalvikvm(391): at android.webkit.LoadListener.handleMessage(LoadListener.java:219) 12-17 11:13:18.672: INFO/dalvikvm(391): at android.os.Handler.dispatchMessage(Handler.java:99) 12-17 11:13:18.672: INFO/dalvikvm(391): at android.os.Looper.loop(Looper.java:123) 12-17 11:13:18.672: INFO/dalvikvm(391): at android.webkit.WebViewCore$WebCoreThread.run(WebViewCore.java:629) 12-17 11:13:18.672: INFO/dalvikvm(391): at java.lang.Thread.run(Thread.java:1019) 12-17 11:13:18.672: ERROR/dalvikvm(391): VM aborting 12-17 11:13:18.887: INFO/DEBUG(31): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** 12-17 11:13:18.887: INFO/DEBUG(31): Build fingerprint: 'generic/sdk/generic:2.3/GRH55/79397:eng/test-keys' 12-17 11:13:18.893: INFO/DEBUG(31): pid: 391, tid: 400 >>> com.phonegap.sample <<< 12-17 11:13:18.893: INFO/DEBUG(31): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr deadd00d 12-17 11:13:18.893: INFO/DEBUG(31): r0 fffffebc r1 deadd00d r2 00000026 r3 00000000 12-17 11:13:18.893: INFO/DEBUG(31): r4 81da45c8 r5 40567330 r6 81d8592c r7 001b2a48 12-17 11:13:18.893: INFO/DEBUG(31): r8 43640b58 r9 42dd1ecc 10 42dd1eb4 fp 4168d82c 12-17 11:13:18.893: INFO/DEBUG(31): ip 81da4728 sp 43640410 lr afd19375 pc 81d45a02 cpsr 20000030 12-17 11:13:19.183: INFO/DEBUG(31): #00 pc 00045a02 /system/lib/libdvm.so 12-17 11:13:19.183: INFO/DEBUG(31): #01 pc 000376fc /system/lib/libdvm.so 12-17 11:13:19.183: INFO/DEBUG(31): #02 pc 000399c4 /system/lib/libdvm.so 12-17 11:13:19.193: INFO/DEBUG(31): #03 pc 0003a4a0 /system/lib/libdvm.so 12-17 11:13:19.203: INFO/DEBUG(31): #04 pc 0032b6d6 /system/lib/libwebcore.so 12-17 11:13:19.203: INFO/DEBUG(31): #05 pc 002a4da4 /system/lib/libwebcore.so 12-17 11:13:19.203: INFO/DEBUG(31): #06 pc 001a6136 /system/lib/libwebcore.so 12-17 11:13:19.213: INFO/DEBUG(31): #07 pc 002a5870 /system/lib/libwebcore.so 12-17 11:13:19.223: INFO/DEBUG(31): #08 pc 00359e36 /system/lib/libwebcore.so 12-17 11:13:19.223: INFO/DEBUG(31): #09 pc 0035d30e /system/lib/libwebcore.so 12-17 11:13:19.223: INFO/DEBUG(31): #10 pc 003638be /system/lib/libwebcore.so 12-17 11:13:19.233: INFO/DEBUG(31): #11 pc 0019f6fa /system/lib/libwebcore.so 12-17 11:13:19.233: INFO/DEBUG(31): #12 pc 0019f780 /system/lib/libwebcore.so 12-17 11:13:19.243: INFO/DEBUG(31): #13 pc 001a3d8a /system/lib/libwebcore.so 12-17 11:13:19.243: INFO/DEBUG(31): #14 pc 000d0dca /system/lib/libwebcore.so 12-17 11:13:19.253: INFO/DEBUG(31): #15 pc 000d0f28 /system/lib/libwebcore.so 12-17 11:13:19.253: INFO/DEBUG(31): #16 pc 000d106e /system/lib/libwebcore.so 12-17 11:13:19.253: INFO/DEBUG(31): #17 pc 000ddef0 /system/lib/libwebcore.so 12-17 11:13:19.263: INFO/DEBUG(31): #18 pc 000ddf62 /system/lib/libwebcore.so 12-17 11:13:19.263: INFO/DEBUG(31): #19 pc 000f3ce2 /system/lib/libwebcore.so 12-17 11:13:19.273: INFO/DEBUG(31): #20 pc 002739ae /system/lib/libwebcore.so 12-17 11:13:19.273: INFO/DEBUG(31): #21 pc 000eac5e /system/lib/libwebcore.so 12-17 11:13:19.273: INFO/DEBUG(31): #22 pc 001b152c /system/lib/libwebcore.so 12-17 11:13:19.283: INFO/DEBUG(31): #23 pc 00017d34 /system/lib/libdvm.so 12-17 11:13:19.283: INFO/DEBUG(31): #24 pc 00048ec0 /system/lib/libdvm.so 12-17 11:13:19.283: INFO/DEBUG(31): #25 pc 00041a6a /system/lib/libdvm.so 12-17 11:13:19.293: INFO/DEBUG(31): #26 pc 0001cf94 /system/lib/libdvm.so 12-17 11:13:19.303: INFO/DEBUG(31): #27 pc 0002209c /system/lib/libdvm.so 12-17 11:13:19.303: INFO/DEBUG(31): #28 pc 00020f90 /system/lib/libdvm.so 12-17 11:13:19.313: INFO/DEBUG(31): #29 pc 0005f328 /system/lib/libdvm.so 12-17 11:13:19.313: INFO/DEBUG(31): #30 pc 0005f54e /system/lib/libdvm.so 12-17 11:13:19.313: INFO/DEBUG(31): #31 pc 00053b06 /system/lib/libdvm.so 12-17 11:13:19.313: INFO/DEBUG(31): code around pc: 12-17 11:13:19.313: INFO/DEBUG(31): 81d459e0 447a4479 ed0cf7d1 20004c09 ee34f7d1 12-17 11:13:19.323: INFO/DEBUG(31): 81d459f0 447c4808 6bdb5823 d0002b00 49064798 12-17 11:13:19.323: INFO/DEBUG(31): 81d45a00 700a2226 eea0f7d1 0004355f 0004511d 12-17 11:13:19.323: INFO/DEBUG(31): 81d45a10 0005ebd2 fffffebc deadd00d b510b40e 12-17 11:13:19.323: INFO/DEBUG(31): 81d45a20 4c0a4b09 447bb083 aa05591b 6b5bca02 12-17 11:13:19.323: INFO/DEBUG(31): code around lr: 12-17 11:13:19.333: INFO/DEBUG(31): afd19354 b0834a0d 589c447b 26009001 686768a5 12-17 11:13:19.333: INFO/DEBUG(31): afd19364 220ce008 2b005eab 1c28d003 47889901 12-17 11:13:19.333: INFO/DEBUG(31): afd19374 35544306 d5f43f01 2c006824 b003d1ee 12-17 11:13:19.333: INFO/DEBUG(31): afd19384 bdf01c30 000281a8 ffffff88 1c0fb5f0 12-17 11:13:19.333: INFO/DEBUG(31): afd19394 43551c3d a904b087 1c16ac01 604d9004 12-17 11:13:19.333: INFO/DEBUG(31): stack: 12-17 11:13:19.333: INFO/DEBUG(31): 436403d0 00000015 12-17 11:13:19.333: INFO/DEBUG(31): 436403d4 afd18407 /system/lib/libc.so 12-17 11:13:19.333: INFO/DEBUG(31): 436403d8 afd4270c /system/lib/libc.so 12-17 11:13:19.343: INFO/DEBUG(31): 436403dc afd426b8 /system/lib/libc.so 12-17 11:13:19.343: INFO/DEBUG(31): 436403e0 00000000 12-17 11:13:19.343: INFO/DEBUG(31): 436403e4 afd19375 /system/lib/libc.so 12-17 11:13:19.353: INFO/DEBUG(31): 436403e8 001af760 [heap] 12-17 11:13:19.353: INFO/DEBUG(31): 436403ec afd183d9 /system/lib/libc.so 12-17 11:13:19.353: INFO/DEBUG(31): 436403f0 001b2a48 [heap] 12-17 11:13:19.353: INFO/DEBUG(31): 436403f4 0005ebd2 [heap] 12-17 11:13:19.353: INFO/DEBUG(31): 436403f8 40567330 /dev/ashmem/dalvik-heap (deleted) 12-17 11:13:19.363: INFO/DEBUG(31): 436403fc 81d8592c /system/lib/libdvm.so 12-17 11:13:19.363: INFO/DEBUG(31): 43640400 001b2a48 [heap] 12-17 11:13:19.363: INFO/DEBUG(31): 43640404 afd18437 /system/lib/libc.so 12-17 11:13:19.363: INFO/DEBUG(31): 43640408 df002777 12-17 11:13:19.363: INFO/DEBUG(31): 4364040c e3a070ad 12-17 11:13:19.363: INFO/DEBUG(31): #00 43640410 00000001 12-17 11:13:19.363: INFO/DEBUG(31): 43640414 81d37701 /system/lib/libdvm.so 12-17 11:13:19.363: INFO/DEBUG(31): #01 43640418 00000001 12-17 11:13:19.363: INFO/DEBUG(31): 4364041c 81d399c9 /system/lib/libdvm.so 12-17 11:13:22.753: INFO/BootReceiver(62): Copying /data/tombstones/tombstone_09 to DropBox (SYSTEM_TOMBSTONE) 12-17 11:13:22.943: DEBUG/dalvikvm(62): GC_CONCURRENT freed 876K, 48% free 4240K/8135K, external 2269K/3469K, paused 9ms+10ms 12-17 11:13:23.133: DEBUG/dalvikvm(62): GC_FOR_MALLOC freed 348K, 47% free 4318K/8135K, external 2269K/3469K, paused 147ms 12-17 11:13:23.243: DEBUG/Zygote(33): Process 391 terminated by signal (11) 12-17 11:13:23.253: ERROR/InputDispatcher(62): channel '406defc8 com.phonegap.sample/com.phonegap.sample.sample (server)' ~ Consumer closed input channel or an error occurred. events=0x8 12-17 11:13:23.253: ERROR/InputDispatcher(62): channel '406defc8 com.phonegap.sample/com.phonegap.sample.sample (server)' ~ Channel is unrecoverably broken and will be disposed! 12-17 11:13:23.323: DEBUG/dalvikvm(62): GC_FOR_MALLOC freed 134K, 47% free 4376K/8135K, external 2269K/3469K, paused 174ms 12-17 11:13:23.323: INFO/ActivityManager(62): Process com.phonegap.sample (pid 391) has died. 12-17 11:13:23.333: INFO/WindowManager(62): WIN DEATH: Window{406defc8 com.phonegap.sample/com.phonegap.sample.sample paused=false} 12-17 11:13:23.542: DEBUG/dalvikvm(124): GC_EXPLICIT freed 61K, 51% free 2836K/5767K, external 1973K/2288K, paused 907ms 12-17 11:13:23.693: WARN/InputManagerService(62): Got RemoteException sending setActive(false) notification to pid 391 uid 10031 Sorry about the gigantic log posts, but I don't know what is of importance here...

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• Taking screenshots in Windows Vista, Windows 7, with transparent areas outside the app region

  - by Steve Sheldon

  Hey Folks, I am trying to take a screenshot of an application and I would like to make the parts of the rectangle that are not part of the applications region be transparent. So for instance on a standard windows application I would like to make the rounded corners transparent. I wrote a quick test application which works on on XP (or vista/windows 7 with aero turned off): protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); Graphics g = e.Graphics; // Just find a window to test with IntPtr hwnd = FindWindowByCaption(IntPtr.Zero, "Calculator"); WINDOWINFO info = new WINDOWINFO(); info.cbSize = (uint)Marshal.SizeOf(info); GetWindowInfo(hwnd, ref info); Rectangle r = Rectangle.FromLTRB(info.rcWindow.Left, info.rcWindow.Top, info.rcWindow.Right, info.rcWindow.Bottom); IntPtr hrgn = CreateRectRgn(info.rcWindow.Left, info.rcWindow.Top, info.rcWindow.Right, info.rcWindow.Bottom); GetWindowRgn(hwnd, hrgn); // fill a rectangle which would be where I would probably // write some mask color g.FillRectangle(Brushes.Red, r); // fill the region over the top, all I am trying to do here // is show the contrast between the applications region and // the rectangle that the region would be placed in Region region = Region.FromHrgn(hrgn); region.Translate(info.rcWindow.Left, info.rcWindow.Top); g.FillRegion(Brushes.Blue, region); } Quick side note: before commenting that this code is doing stuff it shouldn't (or should do, like dispose) in a paint function, I know, it's not going anywhere but this post and is designed purely as a way to quickly show the problem, and that it does... OK, back to the problem ;) When I run this test app on XP (or Vista/Windows 7 with Aero off), I get something like this, which is great because I can eek an xor mask out of this that can be used later with BitBlt. Here is the problem, on Vista or Windows 7 with Aero enabled, there isn't necessarily a region on the window, in fact in most cases there isn't. Can anybody help me figure out how to get the region of the application like this on these platforms. Here are some of the approaches I have already tried... 1. Using the PrintWindow function: This doesn't work because it gives back a screenshot taken of the window with Aero off and this window is a different shape from the window returned with Aero on 2 Using the Desktop Window Manager API to get a full size thumbnail: This didn't work because it draws directly to the screen and from what I can tell you can't get a screenshot directly out of this api. Yeah, I could open a window with a pink background, show the thumbnail, take a screenshot then hide this temporary window but thats a horrible user experience and a complete hack I would rather not have my name on. 3. Using Graphics.CopyFromScreen or some other pinvoke variant of this: This doesn't work because I can't assume that the window I need information from is at the top of the z-order on the screen. Right now, the best solution I can think of is to special case Aero on Windows 7 and Vista to manually rub out the corners by hard coding some graphics paths I paint out but this solution would suck since any application that performs custom skinning will break this. Can you think of another or better solution? If you are here, thanks for taking time to read this post, I appreciate any help or direction that you can offer!

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• Model Object called in NSOutlineView DataSource Method Crashing App

  - by Alec Sloman

  I have a bewildering problem, hoping someone can assist: I have a model object, called Road. Here's the interface. @@@ @interface RoadModel : NSObject { NSString *_id; NSString *roadmapID; NSString *routeID; NSString *title; NSString *description; NSNumber *collapsed; NSNumber *isRoute; NSString *staff; NSNumber *start; NSArray *staffList; NSMutableArray *updates; NSMutableArray *uploads; NSMutableArray *subRoads; } @property (nonatomic, copy) NSString *_id; @property (nonatomic, copy) NSString *roadmapID; @property (nonatomic, copy) NSString *routeID; @property (nonatomic, copy) NSString *title; @property (nonatomic, copy) NSString *description; @property (nonatomic, copy) NSNumber *collapsed; @property (nonatomic, copy) NSNumber *isRoute; @property (nonatomic, copy) NSString *staff; @property (nonatomic, copy) NSNumber *start; @property (nonatomic, copy) NSArray *staffList; @property (nonatomic, copy) NSMutableArray *updates; @property (nonatomic, copy) NSMutableArray *uploads; @property (nonatomic, copy) NSMutableArray *subRoads; - (id)initWithJSONObject:(NSDictionary *)JSONObject; @end This part is fine. To give you some background, I'm translating a bunch of JSON into a proper model object so it's easier to work with. Now, I'm trying to display this in an NSOutlineView. This is where the problem is. In particular, I have created the table and a datasource. - (id)initWithRoads:(NSArray *)roads { if (self = [super init]) root = [[NSMutableArray alloc] initWithArray:roads]; return self; } - (NSInteger)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item { if (item == nil) return root.count; return 0; } - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item { return NO; } - (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index ofItem:(id)item { if (item == nil) item = root; if (item == root) return [root objectAtIndex:index]; return nil; } - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item { return [item title]; } In the final datasource method, it attempts to return the "title" string property of the model object, but for some reason crashes each time. I have checked that the method is taking in the correct object (I checked [item class] description], and it is the right object), but for some reason if I call any of the objects accessors the app immediately crashes. This is totally puzzling because in the init method, I can iterate through root (an array of RoadModel objects), and print any of its properties without issue. It is only when I'm trying to access the properties in any of the datasource methods that this occurs. I wonder if there is something memory-wise that is going on behind the scenes and I am not providing for it. If you can shed some light on to this situation, it would be greatly appreciated! Thanks in advance!

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• iphone app: delegate not responding

  - by Fiona

  Hi guys.. So i'm very new to this iphone development stuff.... and i'm stuck. I'm building an app that connects to the twitter api. However when the connectionDidFinishLoading method gets called, it doesn't seem to recognise the delegate. Here's the source code of the request class: import "OnePageRequest.h" @implementation OnePageRequest @synthesize username; @synthesize password; @synthesize receivedData; @synthesize delegate; @synthesize callback; @synthesize errorCallBack; @synthesize contactsArray; -(void)friends_timeline:(id)requestDelegate requestSelector:(SEL)requestSelector{ //set the delegate and selector self.delegate = requestDelegate; self.callback = requestSelector; //Set up the URL of the request to send to twitter!! NSURL *url = [NSURL URLWithString:@"http://twitter.com/statuses/friends_timeline.xml"]; [self request:url]; } -(void)request:(NSURL *) url{ theRequest = [[NSMutableURLRequest alloc] initWithURL:url]; theConnection = [[NSURLConnection alloc] initWithRequest:theRequest delegate:self]; if (theConnection){ //Create the MSMutableData that will hold the received data. //receivedData is declared as a method instance elsewhere receivedData=[[NSMutableData data] retain]; }else{ //errorMessage.text = @"Error connecting to twitter!!"; } } -(void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge{ if ([challenge previousFailureCount] == 0){ NSLog(@"username: %@ ",[self username]); NSLog(@"password: %@ ",[self password]); NSURLCredential *newCredential = [NSURLCredential credentialWithUser:[self username] password:[self password] persistence:NSURLCredentialPersistenceNone]; [[challenge sender] useCredential:newCredential forAuthenticationChallenge:challenge]; } else { [[challenge sender] cancelAuthenticationChallenge:challenge]; NSLog(@"Invalid Username or password!"); } } -(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response{ [receivedData setLength:0]; } -(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data{ [receivedData appendData:data]; } -(void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error{ [theConnection release]; [receivedData release]; [theRequest release]; NSLog(@"Connection failed. Error: %@ %@", [error localizedDescription], [[error userInfo] objectForKey:NSErrorFailingURLStringKey]); if(errorCallBack){ [delegate performSelector:errorCallBack withObject:error]; } } -(void)connectionDidFinishLoading:(NSURLConnection *)connection{ if (delegate && callback){ if([delegate respondsToSelector:[self callback]]){ [delegate performSelector:[self callback] withObject:receivedData]; }else{ NSLog(@"No response from delegate!"); } } [theConnection release]; [theRequest release]; [receivedData release]; } Here's the .h: @interface OnePageRequest : NSObject { NSString *username; NSString *password; NSMutableData *receivedData; NSURLRequest *theRequest; NSURLConnection *theConnection; id delegate; SEL callback; SEL errorCallBack; NSMutableArray *contactsArray; } @property (nonatomic,retain) NSString *username; @property (nonatomic,retain) NSString *password; @property (nonatomic,retain) NSMutableData *receivedData; @property (nonatomic,retain) id delegate; @property (nonatomic) SEL callback; @property (nonatomic) SEL errorCallBack; @property (nonatomic,retain) NSMutableArray *contactsArray; -(void)friends_timeline:(id)requestDelegate requestSelector:(SEL)requestSelector; -(void)request:(NSURL *) url; @end In the method: connectionDidFinishLoading, the following never gets executed: [delegate performSelector:[self callback] withObject:receivedData]; Instead I get the message: "No response from delegate" Anyone see what I'm doing wrong?! or what might be causing the problem? Regards, Fiona

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• c# send recive object over network?

  - by Data-Base

  Hello, I'm working on a server/client project the client will be asking the server for info and the server will send them back to the client the info may be string,number, array, list, arraylist or any other object I found allot of examples but I faced issues!!!! the solution I found so far is to serialize the object (data) and send it then de-serialize it to process here is the server code public void RunServer(string SrvIP,int SrvPort) { try { var ipAd = IPAddress.Parse(SrvIP); /* Initializes the Listener */ if (ipAd != null) { var myList = new TcpListener(ipAd, SrvPort); /* Start Listeneting at the specified port */ myList.Start(); Console.WriteLine("The server is running at port "+SrvPort+"..."); Console.WriteLine("The local End point is :" + myList.LocalEndpoint); Console.WriteLine("Waiting for a connection....."); while (true) { Socket s = myList.AcceptSocket(); Console.WriteLine("Connection accepted from " + s.RemoteEndPoint); var b = new byte[100]; int k = s.Receive(b); Console.WriteLine("Recieved..."); for (int i = 0; i < k; i++) Console.Write(Convert.ToChar(b[i])); string cmd = Encoding.ASCII.GetString(b); if (cmd.Contains("CLOSE-CONNECTION")) break; var asen = new ASCIIEncoding(); // sending text s.Send(asen.GetBytes("The string was received by the server.")); // the line bove to be modified to send serialized object? Console.WriteLine("\nSent Acknowledgement"); s.Close(); Console.ReadLine(); } /* clean up */ myList.Stop(); } } catch (Exception e) { Console.WriteLine("Error..... " + e.StackTrace); } } here is the client code that should return an object public object runClient(string SrvIP, int SrvPort) { object obj = null; try { var tcpclnt = new TcpClient(); Console.WriteLine("Connecting....."); tcpclnt.Connect(SrvIP, SrvPort); // use the ipaddress as in the server program Console.WriteLine("Connected"); Console.Write("Enter the string to be transmitted : "); var str = Console.ReadLine(); Stream stm = tcpclnt.GetStream(); var asen = new ASCIIEncoding(); if (str != null) { var ba = asen.GetBytes(str); Console.WriteLine("Transmitting....."); stm.Write(ba, 0, ba.Length); } var bb = new byte[2000]; var k = stm.Read(bb, 0, bb.Length); string data = null; for (var i = 0; i < k; i++) Console.Write(Convert.ToChar(bb[i])); //convert to object code ?????? Console.ReadLine(); tcpclnt.Close(); } catch (Exception e) { Console.WriteLine("Error..... " + e.StackTrace); } return obj; } I need to know a good serialize/serialize and how to integrate it into the solution above :-( I would be really thankful for any help cheers

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• How can i clear a SQLite database each time i start my app

  - by AndroidUser99

  Hi, i want that each time i start my app my SQLite database get's cleaned for this, i need to make a method on my class MyDBAdapter.java code examples are welcome, i have no idea how to do it this is the dbadapter/helper i'm using: public class MyDbAdapter { private static final String TAG = "NotesDbAdapter"; private DatabaseHelper mDbHelper; private SQLiteDatabase mDb; private static final String DATABASE_NAME = "gpslocdb"; private static final String PERMISSION_TABLE_CREATE = "CREATE TABLE permission ( fk_email1 varchar, fk_email2 varchar, validated tinyint, hour1 time default '08:00:00', hour2 time default '20:00:00', date1 date, date2 date, weekend tinyint default '0', fk_type varchar, PRIMARY KEY (fk_email1,fk_email2))"; private static final String USER_TABLE_CREATE = "CREATE TABLE user ( email varchar, password varchar, fullName varchar, mobilePhone varchar, mobileOperatingSystem varchar, PRIMARY KEY (email))"; private static final int DATABASE_VERSION = 2; private final Context mCtx; private static class DatabaseHelper extends SQLiteOpenHelper { DatabaseHelper(Context context) { super(context, DATABASE_NAME, null, DATABASE_VERSION); } @Override public void onCreate(SQLiteDatabase db) { db.execSQL(PERMISSION_TABLE_CREATE); db.execSQL(USER_TABLE_CREATE); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { db.execSQL("DROP TABLE IF EXISTS user"); db.execSQL("DROP TABLE IF EXISTS permission"); onCreate(db); } } /** * Constructor - takes the context to allow the database to be * opened/created * * @param ctx the Context within which to work */ public MyDbAdapter(Context ctx) { this.mCtx = ctx; } /** * Open the database. If it cannot be opened, try to create a new * instance of the database. If it cannot be created, throw an exception to * signal the failure * * @return this (self reference, allowing this to be chained in an * initialization call) * @throws SQLException if the database could be neither opened or created */ public MyDbAdapter open() throws SQLException { mDbHelper = new DatabaseHelper(mCtx); mDb = mDbHelper.getWritableDatabase(); return this; } public void close() { mDbHelper.close(); } public long createUser(String email, String password, String fullName, String mobilePhone, String mobileOperatingSystem) { ContentValues initialValues = new ContentValues(); initialValues.put("email",email); initialValues.put("password",password); initialValues.put("fullName",fullName); initialValues.put("mobilePhone",mobilePhone); initialValues.put("mobileOperatingSystem",mobileOperatingSystem); return mDb.insert("user", null, initialValues); } public Cursor fetchAllUsers() { return mDb.query("user", new String[] {"email", "password", "fullName", "mobilePhone", "mobileOperatingSystem"}, null, null, null, null, null); } public Cursor fetchUser(String email) throws SQLException { Cursor mCursor = mDb.query(true, "user", new String[] {"email", "password", "fullName", "mobilePhone", "mobileOperatingSystem"} , "email" + "=" + email, null, null, null, null, null); if (mCursor != null) { mCursor.moveToFirst(); } return mCursor; } public List<Friend> retrieveAllUsers() { List <Friend> friends=new ArrayList<Friend>(); Cursor result=fetchAllUsers(); if( result.moveToFirst() ){ do{ //note.getString(note.getColumnIndexOrThrow(NotesDbAdapter.KEY_TITLE))); friends.add(new Friend(result.getString(result.getColumnIndexOrThrow("email")), "","","","")); }while( result.moveToNext() ); } return friends; } }

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• Need advice for approach for a web-based app that loads excel worksheet but exposes only the charts

  - by John

  I'm looking for suggestions on the Visual Studio approach to take for a web application that is in the conceptual stage. My environment has a lot of tools: Windows Server 2008 R2 Standard 64bit Visual Studio 2010 Professional Edition Sharepoint 2010 Server Enterprise Edition SQL Server 2008 R2 Office 2010 Professional I know I will need this app to retrieve data from a database (or a web service - not sure exactly at this point). The data needs to be placed in an Excel workbook dynamically. The app will need to have a nice user interface (standard web controls - perhaps with some Javascript effects). The Excel ribbon and worksheet grid will need to be hidden. Some web control(s) will cause the Excel chart(s) to be rendered. I am thinking this sounds like Visual Studio Tools for Office (VSTO) so as to leverage .Net and hide Excel. Can you offer suggestions regarding: One ASP.Net Web App Project One Class Library Project for Excel or perhaps which one of the several different Excel 2010 project types (addin, template, document) Would Excel Services for Sharepoint be useful (or required) ? I am feeling a little overwhelmed with so many choices at this early stage of conceptualizing the app. Can you suggest some ideas for this sort of thing? Also, I am a bit more experienced with C# but I've read VB.Net is better for work with the Excel object model. What are general advises with regard to tool choice and overall approach tradeoffs?

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• SOLVED mwfeedparser integrating in my app gives EXC_BAD_ACCESS (code=1, address=0xa0040008)

  - by Pranoy C

  SOLVED- Got it! The problem was that since I am creating the DoParsingStuff *parseThisUrl object in the viewDidLoad method, it's scope was only within that method. So after the method finished, the object got deallocated. I changed it to an instance variable instead and now it works. It gives a different error but that it an entirely different issue. Issue was: I have been struggling with trying to integrate the mwfeedparser library in my app for parsing RSS and ATOM feeds. It throws a gives EXC_BAD_ACCESS error which I can't seem to troubleshoot. //My Class looks like - My interface looks like: #import <Foundation/Foundation.h> #import "MWFeedParser.h" #import "NSString+HTML.h" @protocol ParseCompleted <NSObject> -(void)parsedArray:(NSMutableArray *)parsedArray; @end @interface DoParsingStuff : NSObject<MWFeedParserDelegate> @property (nonatomic,strong) NSMutableArray *parsedItems; @property (nonatomic, strong) NSArray *itemsToDisplay; @property (nonatomic,strong) MWFeedParser *feedParser; @property (nonatomic,strong) NSURL *feedurl; @property (nonatomic,strong) id <ParseCompleted> delegate; -(id)initWithFeedURL:(NSURL *)url; @end //And Implementaion: #import "DoParsingStuff.h" @implementation DoParsingStuff @synthesize parsedItems = _parsedItems; @synthesize itemsToDisplay = _itemsToDisplay; @synthesize feedParser = _feedParser; @synthesize feedurl=_feedurl; @synthesize delegate = _delegate; -(id)initWithFeedURL:(NSURL *)url{ if(self = [super init]){ _feedurl=url; _feedParser = [[MWFeedParser alloc] initWithFeedURL:_feedurl]; _feedParser.delegate=self; _feedParser.feedParseType=ParseTypeFull; _feedParser.connectionType=ConnectionTypeAsynchronously; } return self; } -(void)doParsing{ BOOL y = [_feedParser parse]; } # pragma mark - # pragma mark MWFeedParserDelegate - (void)feedParserDidStart:(MWFeedParser *)parser { //Just tells what url is being parsed e.g. http://www.wired.com/reviews/feeds/latestProductsRss NSLog(@"Started Parsing: %@", parser.url); } - (void)feedParser:(MWFeedParser *)parser didParseFeedInfo:(MWFeedInfo *)info { //What is the Feed about e.g. "Product Reviews" NSLog(@"Parsed Feed Info: “%@”", info.title); //self.title = info.title; } - (void)feedParser:(MWFeedParser *)parser didParseFeedItem:(MWFeedItem *)item { //Prints current element's title e.g. “An Arthropod for Your iDevices” NSLog(@"Parsed Feed Item: “%@”", item.title); if (item) [_parsedItems addObject:item]; } - (void)feedParserDidFinish:(MWFeedParser *)parser {//This is where you can do your own stuff with the parsed items NSLog(@"Finished Parsing%@", (parser.stopped ? @" (Stopped)" : @"")); [_delegate parsedArray:_parsedItems]; //[self updateTableWithParsedItems]; } - (void)feedParser:(MWFeedParser *)parser didFailWithError:(NSError *)error { NSLog(@"Finished Parsing With Error: %@", error); if (_parsedItems.count == 0) { //self.title = @"Failed"; // Show failed message in title } else { // Failed but some items parsed, so show and inform of error UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Parsing Incomplete" message:@"There was an error during the parsing of this feed. Not all of the feed items could parsed." delegate:nil cancelButtonTitle:@"Dismiss" otherButtonTitles:nil]; [alert show]; } //[self updateTableWithParsedItems]; } @end //I am calling this from my main viewcontroller as such: #import "DoParsingStuff.h" @interface ViewController : UIViewController <ParseCompleted> .... //And I have the following methods in my implementation: DoParsingStuff *parseThisUrl = [[DoParsingStuff alloc] initWithFeedURL:[NSURL URLWithString:@"http://www.theverge.com/rss/index.xml"]]; parseThisUrl.delegate=self; [parseThisUrl doParsing]; I have the method defined here as- -(void)parsedArray:(NSMutableArray *)parsedArray{ NSLog(@"%@",parsedArray); } //I stepped through breakpoints- When I try to go through the breakpoints, I see that everything goes fine till the very last [parseThisUrl doParsing]; in my delegate class. After that it starts showing me memory registers where I get lost. I think it could be due to arc as I have disabled arc on the mwfeedparser files but am using arc in the above classes. If you need the entire project for this, let me know. I tried it with NSZombies enabled and got a bit more info out of it: -[DoParsingStuff respondsToSelector:]: message sent to deallocated instance 0x6a52480 I am not using release/autorelease/retain etc. in this class...but it is being used in the mwfeedparser library.

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• How do I get the CoreData Debug argument to output to the console?

  - by radesix

  According to Apple documentation on debugging Core Data it says we should be able to pass an argument to the application which will output the SQL core data sends to SQLite. I have gone into the arguments tab of my executable in XCode and specified the argument: -com.apple.CoreData.SQLDebug 1 However, I see no SQL in the console. I then tried to use this parameter in the CoreDataBooks application provided by Apple just in case there was some other issue in MY program. Even in Apple's example I get no SQL output in the console. Am I doing something wrong? Is Apple's documentation wrong? Should I be looking someplace other than the console? Has anyone else had success with this argument?

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• Is there a method I can override on a JavaScript object to control what is displayed by console.log?

  - by agnoster

  I'm thinking in particular of Chrome, though Firebug would be interesting to. I've tried toString() and valueOf(), but neither of those seem to be used. Interestingly, if I take a function it'll display the function definition - but then if I add a toString() method it will show null! var a = function(){}; console.log(a); // output: function (){} a.toString = function(){ return 'a'; }; console.log(a); // output: null a.valueOf = function(){ return 'v'; }; console.log(a); // output: null Any ideas?

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• Why does the return statement not print anything to the console?

  - by dyoverdx

  I Googled it and I didn't hit anything useful, so I decided to ask on here. I can't use System.out.println for the project that I am working on, so I used the return statement. Everything compiles just fine, but my return statement doesn't print anything to the console, the program just terminates. All I have in the code is just an if-else statement that returns true or false. Why don't I see anything on the console? I am using Eclipse Juno's Console by the way.

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• An easy way to create Side by Side registrationless COM Manifests with Visual Studio

  - by Rick Strahl

  Here's something I didn't find out until today: You can use Visual Studio to easily create registrationless COM manifest files for you with just a couple of small steps. Registrationless COM lets you use COM component without them being registered in the registry. This means it's possible to deploy COM components along with another application using plain xcopy semantics. To be sure it's rarely quite that easy - you need to watch out for dependencies - but if you know you have COM components that are light weight and have no or known dependencies it's easy to get everything into a single folder and off you go. Registrationless COM works via manifest files which carry the same name as the executable plus a .manifest extension (ie. yourapp.exe.manifest) I'm going to use a Visual FoxPro COM object as an example and create a simple Windows Forms app that calls the component - without that component being registered. Let's take a walk down memory lane… Create a COM Component I start by creating a FoxPro COM component because that's what I know and am working with here in my legacy environment. You can use VB classic or C++ ATL object if that's more to your liking. Here's a real simple Fox one: DEFINE CLASS SimpleServer as Session OLEPUBLIC FUNCTION HelloWorld(lcName) RETURN "Hello " + lcName ENDDEFINE Compile it into a DLL COM component with: BUILD MTDLL simpleserver FROM simpleserver RECOMPILE And to make sure it works test it quickly from Visual FoxPro: server = CREATEOBJECT("simpleServer.simpleserver") MESSAGEBOX( server.HelloWorld("Rick") ) Using Visual Studio to create a Manifest File for a COM Component Next open Visual Studio and create a new executable project - a Console App or WinForms or WPF application will all do. Go to the References Node Select Add Reference Use the Browse tab and find your compiled DLL to import  Next you'll see your assembly in the project. Right click on the reference and select Properties Click on the Isolated DropDown and select True Compile and that's all there's to it. Visual Studio will create a App.exe.manifest file right alongside your application's EXE. The manifest file created looks like this: xml version="1.0" encoding="utf-8"? assembly xsi:schemaLocation="urn:schemas-microsoft-com:asm.v1 assembly.adaptive.xsd" manifestVersion="1.0" xmlns:asmv1="urn:schemas-microsoft-com:asm.v1" xmlns:asmv2="urn:schemas-microsoft-com:asm.v2" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3" xmlns:dsig="http://www.w3.org/2000/09/xmldsig#" xmlns:co.v1="urn:schemas-microsoft-com:clickonce.v1" xmlns:co.v2="urn:schemas-microsoft-com:clickonce.v2" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" assemblyIdentity name="App.exe" version="1.0.0.0" processorArchitecture="x86" type="win32" / file name="simpleserver.DLL" asmv2:size="27293" hash xmlns="urn:schemas-microsoft-com:asm.v2" dsig:Transforms dsig:Transform Algorithm="urn:schemas-microsoft-com:HashTransforms.Identity" / dsig:Transforms dsig:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" / dsig:DigestValuepuq+ua20bbidGOWhPOxfquztBCU=dsig:DigestValue hash typelib tlbid="{f10346e2-c9d9-47f7-81d1-74059cc15c3c}" version="1.0" helpdir="" resourceid="0" flags="HASDISKIMAGE" / comClass clsid="{af2c2811-0657-4264-a1f5-06d033a969ff}" threadingModel="Apartment" tlbid="{f10346e2-c9d9-47f7-81d1-74059cc15c3c}" progid="simpleserver.SimpleServer" description="simpleserver.SimpleServer" / file assembly Now let's finish our super complex console app to test with: using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication1 {     class Program     {         static voidMain(string[] args)         { Type type = Type.GetTypeFromProgID("simpleserver.simpleserver",true); dynamic server = Activator.CreateInstance(type); Console.WriteLine(server.HelloWorld("rick")); Console.ReadLine(); } } } Now run the Console Application… As expected that should work. And why not? The COM component is still registered, right? :-) Nothing tricky about that. Let's unregister the COM component and then re-run and see what happens. Go to the Command Prompt Change to the folder where the DLL is installed Unregister with: RegSvr32 -u simpleserver.dll      To be sure that the COM component no longer works, check it out with the same test you used earlier (ie. o = CREATEOBJECT("SimpleServer.SimpleServer") in your development environment or VBScript etc.). Make sure you run the EXE and you don't re-compile the application or else Visual Studio will complain that it can't find the COM component in the registry while compiling. In fact now that we have our .manifest file you can remove the COM object from the project. When you run run the EXE from Windows Explorer or a command prompt to avoid the recompile. Watch out for embedded Manifest Files Now recompile your .NET project and run it… and it will most likely fail! The problem is that .NET applications by default embeds a manifest file into the compiled EXE application which results in the externally created manifest file being completely ignored. Only one manifest can be applied at a time and the compiled manifest takes precedency. Uh, thanks Visual Studio - not very helpful… Note that if you use another development tool like Visual FoxPro to create your EXE this won't be an issue as long as the tool doesn't automatically add a manifest file. Creating a Visual FoxPro EXE for example will work immediately with the generated manifest file as is. If you are using .NET and Visual Studio you have a couple of options of getting around this: Remove the embedded manifest file Copy the contents of the generated manifest file into a project manifest file and compile that in To remove an embedded manifest in a Visual Studio project: Open the Project Properties (Alt-Enter on project node) Go down to Resources | Manifest and select | Create Application without a Manifest   You can now add use the external manifest file and it will actually be respected when the app runs. The other option is to let Visual Studio create the manifest file on disk and then explicitly add the manifest file into the project. Notice on the dialog above I did this for app.exe.manifest and the manifest actually shows up in the list. If I select this file it will be compiled into the EXE and be used in lieu of any external files and that works as well. Remove the simpleserver.dll reference so you can compile your code and run the application. Now it should work without COM registration of the component. Personally I prefer external manifests because they can be modified after the fact - compiled manifests are evil in my mind because they are immutable - once they are there they can't be overriden or changed. So I prefer an external manifest. However, if you are absolutely sure nothing needs to change and you don't want anybody messing with your manifest, you can also embed it. The option to either is there. Watch for Manifest Caching While working trying to get this to work I ran into some problems at first. Specifically when it wasn't working at first (due to the embedded schema) I played with various different manifest layouts in different files etc.. There are a number of different ways to actually represent manifest files including offloading to separate folder (more on that later). A few times I made deliberate errors in the schema file and I found that regardless of what I did once the app failed or worked no amount of changing of the manifest file would make it behave differently. It appears that Windows is caching the manifest data for a given EXE or DLL. It takes a restart or a recompile of either the EXE or the DLL to clear the caching. Recompile your servers in order to see manifest changes unless there's an outright failure of an invalid manifest file. If the app starts the manifest is being read and caches immediately. This can be very confusing especially if you don't know that it's happening. I found myself always recompiling the exe after each run and before making any changes to the manifest file. Don't forget about Runtimes of COM Objects In the example I used above I used a Visual FoxPro COM component. Visual FoxPro is a runtime based environment so if I'm going to distribute an application that uses a FoxPro COM object the runtimes need to be distributed as well. The same is true of classic Visual Basic applications. Assuming that you don't know whether the runtimes are installed on the target machines make sure to install all the additional files in the EXE's directory alongside the COM DLL. In the case of Visual FoxPro the target folder should contain: The EXE  App.exe The Manifest file (unless it's compiled in) App.exe.manifest The COM object DLL (simpleserver.dll) Visual FoxPro Runtimes: VFP9t.dll (or VFP9r.dll for non-multithreaded dlls), vfp9rENU.dll, msvcr71.dll All these files should be in the same folder. Debugging Manifest load Errors If you for some reason get your manifest loading wrong there are a couple of useful tools available - SxSTrace and SxSParse. These two tools can be a huge help in debugging manifest loading errors. Put the following into a batch file (SxS_Trace.bat for example): sxstrace Trace -logfile:sxs.bin sxstrace Parse -logfile:sxs.bin -outfile:sxs.txt Then start the batch file before running your EXE. Make sure there's no caching happening as described in the previous section. For example, if I go into the manifest file and explicitly break the CLSID and/or ProgID I get a detailed report on where the EXE is looking for the manifest and what it's reading. Eventually the trace gives me an error like this: INFO: Parsing Manifest File C:\wwapps\Conf\SideBySide\Code\app.EXE.     INFO: Manifest Definition Identity is App.exe,processorArchitecture="x86",type="win32",version="1.0.0.0".     ERROR: Line 13: The value {AAaf2c2811-0657-4264-a1f5-06d033a969ff} of attribute clsid in element comClass is invalid. ERROR: Activation Context generation failed. End Activation Context Generation. pinpointing nicely where the error lies. Pay special attention to the various attributes - they have to match exactly in the different sections of the manifest file(s). Multiple COM Objects The manifest file that Visual Studio creates is actually quite more complex than is required for basic registrationless COM object invokation. The manifest file can be simplified a lot actually by stripping off various namespaces and removing the type library references altogether. Here's an example of a simplified manifest file that actually includes references to 2 COM servers: xml version="1.0" encoding="utf-8"? assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" assemblyIdentity name="App.exe" version="1.0.0.0" processorArchitecture="x86" type="win32" / file name="simpleserver.DLL" comClass clsid="{af2c2811-0657-4264-a1f5-06d033a969ff}" threadingModel="Apartment" progid="simpleserver.SimpleServer" description="simpleserver.SimpleServer" / file file name = "sidebysidedeploy.dll" comClass clsid="{EF82B819-7963-4C36-9443-3978CD94F57C}" progid="sidebysidedeploy.SidebysidedeployServer" description="SidebySideDeploy Server" threadingModel="apartment" / file assembly Simple enough right? Routing to separate Manifest Files and Folders In the examples above all files ended up in the application's root folder - all the DLLs, support files and runtimes. Sometimes that's not so desirable and you can actually create separate manifest files. The easiest way to do this is to create a manifest file that 'routes' to another manifest file in a separate folder. Basically you create a new 'assembly identity' via a named id. You can then create a folder and another manifest with the id plus .manifest that points at the actual file. In this example I create: App.exe.manifest A folder called App.deploy A manifest file in App.deploy All DLLs and runtimes in App.deploy Let's start with that master manifest file. This file only holds a reference to another manifest file: App.exe.manifest xml version="1.0" encoding="UTF-8" standalone="yes"? assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" assemblyIdentity name="App.exe" version="1.0.0.0" processorArchitecture="x86" type="win32" / dependency dependentAssembly assemblyIdentity name="App.deploy" version="1.0.0.0" type="win32" / dependentAssembly dependency assembly   Note this file only contains a dependency to App.deploy which is another manifest id. I can then create App.deploy.manifest in the current folder or in an App.deploy folder. In this case I'll create App.deploy and in it copy the DLLs and support runtimes. I then create App.deploy.manifest. App.deploy.manifest xml version="1.0" encoding="UTF-8" standalone="yes"? assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" assemblyIdentity name="App.deploy" type="win32" version="1.0.0.0" / file name="simpleserver.DLL" comClass clsid="{af2c2811-0657-4264-a1f5-06d033a969ff}" threadingModel="Apartment" progid="simpleserver.SimpleServer" description="simpleserver.SimpleServer" / file file name="sidebysidedeploy.dll" comClass clsid="{EF82B819-7963-4C36-9443-3978CD94F57C}" threadingModel="Apartment" progid="sidebysidedeploy.SidebysidedeployServer" description="SidebySideDeploy Server" / file assembly   In this manifest file I then host my COM DLLs and any support runtimes. This is quite useful if you have lots of DLLs you are referencing or if you need to have separate configuration and application files that are associated with the COM object. This way the operation of your main application and the COM objects it interacts with is somewhat separated. You can see the two folders here:   Routing Manifests to different Folders In theory registrationless COM should be pretty easy in painless - you've seen the configuration manifest files and it certainly doesn't look very complicated, right? But the devil's in the details. The ActivationContext API (SxS - side by side activation) is very intolerant of small errors in the XML or formatting of the keys, so be really careful when setting up components, especially if you are manually editing these files. If you do run into trouble SxsTrace/SxsParse are a huge help to track down the problems. And remember that if you do have problems that you'll need to recompile your EXEs or DLLs for the SxS APIs to refresh themselves properly. All of this gets even more fun if you want to do registrationless COM inside of IIS :-) But I'll leave that for another blog post…© Rick Strahl, West Wind Technologies, 2005-2011Posted in COM  .NET  FoxPro   Tweet (function() { var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; po.src = 'https://apis.google.com/js/plusone.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s); })();

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• RemoteViewsService never gets called whenever we update app widget

  - by user3689160

  I am making one task widget application. This is a simple widget application which can be used to add new tasks by clicking on "+New Task". So ideally what I have done is, I've added a widget first, then when we click on "+New Task" a new activity opens up from where we can type in a new task and it should get updated in the ListView inside the home screen widget. Problem: Now whenever I add a new task, the ListView does not get updated. The data gets inside the database a new is created as well. My onUpdate(...) method gets called as well. There is a WidgetService.java which is a RemoteViewService that is being used to call the RemoteViewFactory but WidgetService.java gets called only when we create the widget, never after that. WidgetService.java never gets called again. I have the following setup MyWidgetProvider.java AppWidgetProvider class for updating the widget and filling its remote views. public class MyWidgetProvider extends AppWidgetProvider { public static int randomNumber=132; static RemoteViews remoteViews = null; @Override public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { updateList(context,appWidgetManager,appWidgetIds); } public static void updateList(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds){ final int N = appWidgetIds.length; Log.d("MyWidgetProvider", "length="+appWidgetIds.length+""); for (int i = 0; i<N; ++i) { Log.d("MyWidgetProvider", "value"+ i + "="+appWidgetIds[i]); // Calling updateWidgetListView(context, appWidgetIds[i]); to load the listview with data remoteViews = updateWidgetListView(context, appWidgetIds[i]); // Updating the Widget with the new data filled remoteviews appWidgetManager.updateAppWidget(appWidgetIds[i], remoteViews); appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetIds[i], R.id.lv_tasks); } } private static RemoteViews updateWidgetListView(Context context, int appWidgetId) { Intent svcIntent = null; remoteViews = new RemoteViews(context.getPackageName(),R.layout.widget_demo); //RemoteViews Service needed to provide adapter for ListView svcIntent = new Intent(context, WidgetService.class); //passing app widget id to that RemoteViews Service svcIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); //setting a unique Uri to the intent //binding the data from the WidgetService to the svcIntent svcIntent.setData(Uri.parse(svcIntent.toUri(Intent.URI_INTENT_SCHEME))); //setting adapter to listview of the widget remoteViews.setRemoteAdapter(R.id.lv_tasks, svcIntent); //setting click listner on the "New Task" (TextView) of the widget remoteViews.setOnClickPendingIntent(R.id.tv_add_task, buildButtonPendingIntent(context)); return remoteViews; } // Just to create PendingIntent, this will be broadcasted everytime textview containing "New Task" is clicked and OnReceive method of MyWidgetIntentReceiver.java will run public static PendingIntent buildButtonPendingIntent(Context context) { Intent intent = new Intent(); intent.putExtra("TASK_DONE_VALUE_VALID", false); intent.setAction("com.ommzi.intent.action.CLEARTASK"); return PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); } // This method is defined here so that we can update the remoteviews from other classes as well, like we'll do it in MyWidgetIntentReceiver.java public static void pushWidgetUpdate(Context context, RemoteViews remoteViews) { ComponentName myWidget = new ComponentName(context, MyWidgetProvider.class); AppWidgetManager manager = AppWidgetManager.getInstance(context); manager.updateAppWidget(myWidget, remoteViews); } } WidgetService.java A RemoteViewsService class for creating a RemoteViewsFactory. public class WidgetService extends RemoteViewsService { @Override public RemoteViewsFactory onGetViewFactory(Intent intent) { int appWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,AppWidgetManager.INVALID_APPWIDGET_ID); return (new ListProvider(this.getApplicationContext(), intent)); } } ListProvider.java A RemoteViewsFactory class for filling the ListView inside the widget. public class ListProvider implements RemoteViewsFactory { private List<TemplateTaskData> tasks; private Context context = null; private int appWidgetId; int increment=0; public ListProvider(Context context, Intent intent) { this.context = context; appWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,AppWidgetManager.INVALID_APPWIDGET_ID); //appWidgetId = Integer.valueOf(intent.getData().getSchemeSpecificPart())- MyWidgetProvider.randomNumber; populateListItem(); } private void populateListItem() { tasks = new ArrayList<TemplateTaskData>(); com.ommzi.database.sqliteDataBase letStartDB = new com.ommzi.database.sqliteDataBase(context); letStartDB.open(); tasks=letStartDB.getData(); letStartDB.close(); } public int getCount() { return tasks.size(); } public long getItemId(int position) { return position; } public RemoteViews getViewAt(int position) { // We are only showing the text view field here as there is limitation on using Checkbox within the widget // We prefer to on an activity for the user to make comprehensive changes as changes inside the widget is always limited. // To view the supported list of views for the widget you can visit http://developer.android.com/guide/topics/appwidgets/index.html final RemoteViews remoteView = new RemoteViews(context.getPackageName(), R.layout.screen_wcitem); TemplateTaskData taskDTO = tasks.get(position); Log.d("My ListProvider", "1"); remoteView.setTextViewText(R.id.wc_add_task, taskDTO.getTaskName()); if(taskDTO.getTaskDone()){ remoteView.setImageViewResource(R.id.imageView1, R.drawable.checked); }else{ remoteView.setImageViewResource(R.id.imageView1, R.drawable.unchecked); } Intent intent = new Intent(); intent.setAction("com.ommzi.intent.action.GETTASK"); intent.putExtra("TASK_DONE_VALUE_VALID", true); intent.putExtra("ROWID", taskDTO.getRowId()); intent.putExtra("TASK_NAME", taskDTO.getTaskName()); intent.putExtra("TASK_DONE_VALUE", taskDTO.getTaskDone()); remoteView.setOnClickPendingIntent(R.id.imageView1, PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)); Log.d("My ListProvider, Inside getView", "Value of Incrementor=" + increment + "\n ROWID=" + taskDTO.getRowId() + "\n TASK_NAME=" + taskDTO.getTaskName() + "\n TASK_DONE_VALUE=" +taskDTO.getTaskDone() + "\n Total Database Size=" + tasks.size()); return remoteView; } public RemoteViews getLoadingView() { // TODO Auto-generated method stub return null; } public int getViewTypeCount() { // TODO Auto-generated method stub return 1; } public boolean hasStableIds() { // TODO Auto-generated method stub return false; } public void onCreate() { // TODO Auto-generated method stub } public void onDataSetChanged() { // TODO Auto-generated method stub } public void onDestroy() { // TODO Auto-generated method stub } } GetTaskActivity.java This is another activity that is fired from a BroadcastReceiver(MyWidgetIntentReceiver.java). Purpose of this is to get a new task added to the list of task. MyWidgetIntentReceiver.java BroadcastReceiver fired using a pending intent that starts an activity GetTaskActivity.java. Please help me out with this problem. I am seen all the posts here and on other websites no body is having any solution. But I am sure a solution exist to this. Thanks for your help!

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• Windows 7 explorer always crashes, opens small "Personalized Settings" window

  - by Ian Sellar

  My Windows 7 desktop PC, built by me, started acting very weird in the last couple of days. I use it quite often, about half of the time through TeamViewer. Explorer would crash and restart randomly, almost always through TeamViewer. This made me suspect that TeamViewer was the problem but I have reproduced it with and without TeamViewer several times. The only way I can seem to get the problem not to occur is by booting into Safe Mode. I have used CCleaner and Malwarebytes to make sure it wasn't a registry error or malware causing the problem, and I have tried the fix in the seemly related issue here as well every other fix I have found online including removing security updates KB980408 and KB2926765 as well as using "sfc /scannow" and a bunch of other things I can't remember. More recently when I try to start explorer it is popping up a small window that says "Personalized Settings" on the top, but is completely empty and crashes instantly. The only way I can get it to disappear is to kill the explorer.exe process. I wish I could take a screenshot but I can't seem to open paint or even find the exe. I have tried restarting it, I have tried starting it while the personalized settings window was open. I have come up with two lists of processes the first is the list of active processes when I boot into safe mode and explorer seems to work fine. The second is the list of processes that I can narrow it down to in normal boot and still replicate the problem. There is one process that I can't seem to close. NisSrv.exe which is describes as "Microsoft Network Realtime Inspection Service". When I try to close the process NisSrv.exe it says "The operation could not be completed. Access is denied." When I try to close the related service it gives the same message. Image Name PID Session Name Session# Mem Usage ========================= ======== ================ =========== ============ System Idle Process 0 Services 0 24 K System 4 Services 0 2,660 K smss.exe 304 Services 0 1,196 K csrss.exe 408 Services 0 4,156 K wininit.exe 444 Services 0 4,608 K csrss.exe 452 Console 1 8,700 K services.exe 492 Services 0 7,700 K winlogon.exe 524 Console 1 5,756 K lsass.exe 536 Services 0 10,644 K lsm.exe 544 Services 0 4,316 K svchost.exe 652 Services 0 8,976 K MsMpEng.exe 804 Services 0 40,696 K explorer.exe 1332 Console 1 85,220 K ctfmon.exe 1376 Console 1 3,680 K dllhost.exe 1624 Console 1 8,656 K chrome.exe 1408 Console 1 98,504 K WmiPrvSE.exe 2352 Services 0 6,472 K chrome.exe 1744 Console 1 65,116 K taskmgr.exe 372 Console 1 14,948 K cmd.exe 2776 Console 1 2,960 K conhost.exe 1816 Console 1 3,580 K tasklist.exe 2308 Console 1 5,868 K And the list of processes I have narrowed it down to. Image Name PID Session Name Session# Mem Usage ========================= ======== ================ =========== ============ System Idle Process 0 Services 0 24 K System 4 Services 0 2,808 K smss.exe 316 Services 0 1,216 K csrss.exe 484 Services 0 4,532 K wininit.exe 596 Services 0 4,604 K csrss.exe 604 Console 1 23,676 K services.exe 652 Services 0 11,344 K lsass.exe 668 Services 0 12,692 K lsm.exe 676 Services 0 4,464 K MsMpEng.exe 972 Services 0 68,436 K winlogon.exe 168 Console 1 7,784 K svchost.exe 496 Services 0 19,140 K NisSrv.exe 3176 Services 0 808 K svchost.exe 1684 Services 0 11,260 K taskmgr.exe 4524 Console 1 20,696 K cmd.exe 4764 Console 1 7,224 K conhost.exe 4772 Console 1 6,916 K sublime_text.exe 2340 Console 1 45,012 K dllhost.exe 4476 Console 1 8,736 K tasklist.exe 3796 Console 1 5,768 K WmiPrvSE.exe 1768 Services 0 6,344 K Here is the event data xml from event viewer for the error I am getting. <EventData> <Data>explorer.exe</Data> <Data>6.1.7601.17567</Data> <Data>4d672ee4</Data> <Data>vrfcore.dll</Data> <Data>6.3.9600.16384</Data> <Data>5215f8f5</Data> <Data>80000003</Data> <Data>0000000000003a00</Data> <Data>12e4</Data> <Data>01cfb84fa70f89dc</Data> <Data>C:\Windows\system32\explorer.exe</Data> <Data>C:\Windows\SYSTEM32\vrfcore.dll</Data> <Data>e5957093-2442-11e4-9f8a-94de806ed9cb</Data> </EventData> I was looking through the eventvwr log again and I found this, possibly related <EventData> <Data>runonce.exe</Data> <Data>6.1.7601.17514</Data> <Data>4ce7a253</Data> <Data>MSVCR100.dll</Data> <Data>10.0.40219.325</Data> <Data>4df2bcac</Data> <Data>c0000005</Data> <Data>000000000003c145</Data> <Data>670</Data> <Data>01cfb8dabbd85942</Data> <Data>C:\Windows\system32\runonce.exe</Data> <Data>C:\Windows\system32\MSVCR100.dll</Data> <Data>fa6f82b9-24cd-11e4-80a8-94de806ed9cb</Data> </EventData> And the general error details Faulting application name: Explorer.EXE, version: 6.1.7601.17567, time stamp: 0x4d672ee4 Faulting module name: vrfcore.dll, version: 6.3.9600.16384, time stamp: 0x5215f8f5 Exception code: 0x80000003 Fault offset: 0x0000000000003a00 Faulting process id: 0xc38 Faulting application start time: 0x01cfb84e5e852c5f Faulting application path: C:\Windows\Explorer.EXE Faulting module path: C:\Windows\SYSTEM32\vrfcore.dll Report Id: 9dc19e6d-2441-11e4-9f8a-94de806ed9cb Another probably unrelated error that I seem to be getting pretty often. Event filter with query "SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA "Win32_Processor" AND TargetInstance.LoadPercentage > 99" could not be reactivated in namespace "//./root/CIMV2" because of error 0x80041003. Events cannot be delivered through this filter until the problem is corrected. My explorer tab in Autoruns seen below along with the error when I try to uncheck something. I should add that I seem to be able to disable shell extensions with ShellExView but I still can't get explorer to start correctly. EXPLORER SHELL UPDATE - See screenshot below I can access the explorer right click menu through a file manager I downloaded called NexusFile, but still no luck starting explorer. Another round of errors that I am getting regarding Windows Search Service The search service has detected corrupted data files in the index {id=4700}. The service will attempt to automatically correct this problem by rebuilding the index. Details: The content index catalog is corrupt. (HRESULT : 0xc0041801) (0xc0041801) followed by The Windows Search Service is being stopped because there is a problem with the indexer: The catalog is corrupt. Details: The content index catalog is corrupt. (HRESULT : 0xc0041801) (0xc0041801 and The plug-in in <Search.JetPropStore> cannot be initialized. Context: Windows Application, SystemIndex Catalog Details: The content index catalog is corrupt. (HRESULT : 0xc0041801) (0xc0041801) and The gatherer object cannot be initialized. Context: Windows Application, SystemIndex Catalog Details: The content index catalog is corrupt. (HRESULT : 0xc0041801) (0xc0041801) and The Windows Search Service cannot load the property store information. Context: Windows Application, SystemIndex Catalog Details: The content index database is corrupt. (HRESULT : 0xc0041800) (0xc0041800) WER Log http://pastebin.com/WXKGDT4Q I'll add information as I remember it or people request it.

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• Camera Preview App in Android throwing many errors (Nexus 4)

  - by Jagatheesan Jack

  I am trying to develop a camera app that takes a picture and saves it in a SQLite database. I get a lot of errors when executing the application. My code is as below. Any idea? CameraActivity.java private Camera mCamera; private CameraPreview mPreview; private int CAMERA_RETURN_CODE=100; private static final String TAG = "Take_Picture"; public static final int MEDIA_TYPE_IMAGE = 1; public static final int MEDIA_TYPE_VIDEO = 2; private Bitmap cameraBmp; private int MAX_FACES = 1; private Face[] faceList; public RectF[] rects; private Canvas canvas; private Drawable pictureDataDrawable; private MySQLiteHelper database; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.camera_activity); //this.requestWindowFeature(Window.FEATURE_NO_TITLE); //Create an instance of Camera mCamera = getCameraInstance(); setCameraDisplayOrientation(this, 0, mCamera); // Create our Preview view and set it as the content of our activity. mPreview = new CameraPreview(this, mCamera); FrameLayout preview = (FrameLayout) findViewById(R.id.camera_preview); preview.addView(mPreview); database = new MySQLiteHelper(getApplicationContext()); Button captureButton = (Button) findViewById(R.id.button_capture); captureButton.setOnClickListener( new View.OnClickListener() { private PictureCallback mPicture; @Override public void onClick(View v) { //mCamera.startPreview(); // get an image from the camera mCamera.takePicture(null, null, mPicture); PictureCallback mPicture = new PictureCallback() { @Override public void onPictureTaken(byte[] data, Camera camera) { try{ if (data != null) database.addEntry(data); //mCamera.startPreview(); } catch(Exception e){ Log.d(TAG, e.getMessage()); } } } ); } /** A safe way to get an instance of the Camera object. */ public static Camera getCameraInstance(){ Camera c = null; try { c = Camera.open(c.getNumberOfCameras()-1); // attempt to get a Camera instance } catch (Exception e){ // Camera is not available (in use or does not exist) } return c; // returns null if camera is unavailable } public static void setCameraDisplayOrientation(Activity activity, int cameraId, android.hardware.Camera camera) { android.hardware.Camera.CameraInfo info = new android.hardware.Camera.CameraInfo(); android.hardware.Camera.getCameraInfo(cameraId, info); int rotation = activity.getWindowManager().getDefaultDisplay() .getRotation(); int degrees = 360; /*switch (rotation) { case Surface.ROTATION_0: degrees = 0; break; case Surface.ROTATION_90: degrees = 90; break; case Surface.ROTATION_180: degrees = 180; break; case Surface.ROTATION_270: degrees = 270; break; }*/ int result; if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { result = (info.orientation + degrees) % 360; result = (360 - result) % 360; // compensate the mirror } else { // back-facing result = (info.orientation - degrees + 360) % 360; } camera.setDisplayOrientation(result); } @Override protected void onPause() { super.onPause(); //releaseMediaRecorder(); // if you are using MediaRecorder, release it first releaseCamera(); // release the camera immediately on pause event } private void releaseCamera(){ if (mCamera != null){ mCamera.release(); // release the camera for other applications mCamera = null; } } public void startFaceDetection(){ // Try starting Face Detection Camera.Parameters params = mCamera.getParameters(); // start face detection only *after* preview has started if (params.getMaxNumDetectedFaces() > 0){ // camera supports face detection, so can start it: mCamera.startFaceDetection(); } } CameraPreview.java public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback { private SurfaceHolder mHolder; private Camera mCamera; private String TAG; private List<Size> mSupportedPreviewSizes; public CameraPreview(Context context, Camera camera) { super(context); mCamera = camera; // Install a SurfaceHolder.Callback so we get notified when the // underlying surface is created and destroyed. mHolder = getHolder(); mHolder.addCallback(this); // deprecated setting, but required on Android versions prior to 3.0 mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } public void surfaceCreated(SurfaceHolder holder) { // The Surface has been created, now tell the camera where to draw the preview. try { mCamera.setPreviewDisplay(holder); mCamera.setDisplayOrientation(90); mCamera.startPreview(); } catch (IOException e) { Log.d(TAG, "Error setting camera preview: " + e.getMessage()); } } public void surfaceDestroyed(SurfaceHolder holder) { // empty. Take care of releasing the Camera preview in your activity. } public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { // If your preview can change or rotate, take care of those events here. // Make sure to stop the preview before resizing or reformatting it. if (mHolder.getSurface() == null){ // preview surface does not exist return; } // stop preview before making changes try { mCamera.stopPreview(); } catch (Exception e){ // ignore: tried to stop a non-existent preview } try { mCamera.setPreviewDisplay(mHolder); mCamera.startPreview(); } catch (Exception e){ Log.d(TAG, "Error starting camera preview: " + e.getMessage()); } } public void setCamera(Camera camera) { if (mCamera == camera) { return; } mCamera = camera; if (mCamera != null) { List<Size> localSizes = mCamera.getParameters().getSupportedPreviewSizes(); mSupportedPreviewSizes = localSizes; requestLayout(); try { mCamera.setPreviewDisplay(mHolder); } catch (IOException e) { e.printStackTrace(); } /* Important: Call startPreview() to start updating the preview surface. Preview must be started before you can take a picture. */ mCamera.startPreview(); } } MySQLiteHelper.java private static final int count = 0; public static final String TABLE_IMAGE = "images"; public static final String COLUMN_ID = "_id"; public static final String PICTURE_DATA = "picture"; public static final String DATABASE_NAME = "images.db"; public static final int DATABASE_VERSION = 1; public static final String DATABASE_CREATE = "create table " + TABLE_IMAGE + "(" + COLUMN_ID + " integer primary key autoincrement, " + PICTURE_DATA + " blob not null);"; public static SQLiteDatabase database; private static String TAG = "test"; public MySQLiteHelper(Context context) { super(context, DATABASE_NAME, null, DATABASE_VERSION); // TODO Auto-generated constructor stub } public MySQLiteHelper(Context context, String name, CursorFactory factory, int version, DatabaseErrorHandler errorHandler) { super(context, name, factory, version, errorHandler); // TODO Auto-generated constructor stub } @Override public void onCreate(SQLiteDatabase database) { database.execSQL(DATABASE_CREATE); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { Log.w(MySQLiteHelper.class.getName(), "Upgrading database from version " + oldVersion + " to " + newVersion + ", which will destroy all old data"); db.execSQL("DROP TABLE IF EXISTS " + TABLE_IMAGE); onCreate(db); } /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub } public void addEntry(byte [] array) throws SQLiteException{ ContentValues cv = new ContentValues(); //cv.put(KEY_NAME, name); cv.put(PICTURE_DATA, array); database.insert( TABLE_IMAGE, null, cv ); Log.w(TAG , "added " +count+ "images"); database.close(); } Errors 11-07 23:28:39.050: E/mm-libcamera2(176): PROFILE HAL: stopPreview(): E: 1383838119.067589459 11-07 23:28:39.050: E/mm-camera(201): config_MSG_ID_STOP_ACK: streamon_mask is not clear. Should not call PP_Release_HW 11-07 23:28:39.090: E/QCameraHWI(176): android::status_t android::QCameraHardwareInterface::setPreviewWindow(preview_stream_ops_t*):Received Setting NULL preview window 11-07 23:28:39.090: E/QCameraHWI(176): android::status_t android::QCameraHardwareInterface::setPreviewWindow(preview_stream_ops_t*): mPreviewWindow = 0x0x0, mStreamDisplay = 0x0xb8a9df90 11-07 23:28:39.090: E/mm-camera(201): config_shutdown_pp Camera not in streaming mode. Returning. 11-07 23:28:39.090: E/mm-camera(201): vfe_ops_deinit: E 11-07 23:28:39.120: E/qcom_sensors_hal(533): hal_process_report_ind: Bad item quality: 11 11-07 23:28:39.310: E/qcom_sensors_hal(533): hal_process_report_ind: Bad item quality: 11 11-07 23:28:39.330: E/mm-camera(201): sensor_load_chromatix: libchromatix_imx119_preview.so: 30 11-07 23:28:39.340: E/mm-camera(201): vfe_ops_init: E 11-07 23:28:39.360: E/mm-camera(201): vfe_legacy_stats_buffer_init: AEC_STATS_BUFNUM 11-07 23:28:39.360: E/mm-camera(201): vfe_legacy_stats_buffer_init: AEC_STATS_BUFNUM 11-07 23:28:39.360: E/mm-camera(201): mctl_init_stats_proc_info: snap_max_line_cnt =25776 11-07 23:28:39.440: E/QCameraHWI(176): android::status_t android::QCameraHardwareInterface::setPreviewWindow(preview_stream_ops_t*): mPreviewWindow = 0x0xb8aa1780, mStreamDisplay = 0x0xb8a9df90 11-07 23:28:39.440: E/mm-camera(201): config_proc_CAMERA_SET_INFORM_STARTPREVIEW 11-07 23:28:39.450: E/mm-camera(201): config_update_stream_info Storing stream parameters for video inst 1 as : width = 640, height 480, format = 1 inst_handle = 810081 cid = 0 11-07 23:28:39.490: E/mm-camera(201): config_update_stream_info Storing stream parameters for video inst 3 as : width = 640, height 480, format = 1 inst_handle = 830083 cid = 0 11-07 23:28:39.490: E/mm-camera(201): config_update_stream_info Storing stream parameters for video inst 4 as : width = 512, height 384, format = 1 inst_handle = 840084 cid = 0 11-07 23:28:39.500: E/mm-camera(201): config_decide_vfe_outputs: Ports Used 3, Op mode 1 11-07 23:28:39.500: E/mm-camera(201): config_decide_vfe_outputs Current mode 0 Full size streaming : Disabled 11-07 23:28:39.500: E/mm-camera(201): config_decide_vfe_outputs: Primary: 640x480, extra_pad: 0x0, Fmt: 1, Type: 1, Path: 1 11-07 23:28:39.500: E/mm-camera(201): config_decide_vfe_outputs: Secondary: 640x480, extra_pad: 0x0, Fmt: 1, Type: 3, Path: 4 11-07 23:28:39.510: E/mm-camera(201): config_update_inst_handles Updated the inst handles as 810081, 830083, 0, 0 11-07 23:28:39.631: E/mm-camera(201): sensor_load_chromatix: libchromatix_imx119_preview.so: 30 11-07 23:28:39.631: E/mm-camera(201): camif_client_set_params: camif has associated with obj mask 0x1 11-07 23:28:39.631: E/mm-camera(201): config_v2_CAMERA_START_common CAMIF_PARAMS_ADD_OBJ_ID failed -1 11-07 23:28:39.641: E/mm-camera(201): vfe_operation_config: format 3 11-07 23:28:39.641: E/mm-camera(201): vfe_operation_config:vfe_op_mode=5 11-07 23:28:39.641: E/mm-camera(201): Invalid ASD Set Params Type 11-07 23:28:39.641: E/mm-camera(201): vfe_set_bestshot: Bestshot mode not changed

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• C#: An object reference is required for the non-static field, method, or Property

  - by Omin

  I feel bad for asking this when there are so many questions that are related but I was not able to find/understand the answer I am looking for. // 2. Develop a program to convert currency X to currency Y and visa versa. using System; class Problem2 { static void Main (string[] args) { while (true) { Console.WriteLine ("1. Currency Conversion from CAD to Won"); Console.WriteLine ("2. Currency Conversion from Won to Cad"); Console.Write ("Choose from the Following: (1 or 2)? "); int option = int.Parse( Console.ReadLine() ); //double x; if (option == 1) { Console.WriteLine ("Type in the amount you would like to Convert CAD to Won: "); //double y =double.Parse( Console.ReadLine()); //Console.WriteLine( cadToWon( y ) ); Console.WriteLine( cadToWon( double.Parse( Console.ReadLine() ) )); } if (option == 2) { Console.WriteLine ("Type in the amount you would like to Convert Won to CAD: "); Console.WriteLine( wonToCad (double.Parse( Console.ReadLine()))); } } } double cadToWon( double x ) { return x * 1113.26; } double wonToCad( double x) { return x / 1113.26; } } This give me the Error messgae "An object reference is required for the non-static field, method, or property 'Problem2..." I know that I'll be able to run the program if I add static infront of the methods but I'm wondering why I need it (I think it's because Main is static?) and what do I need to change in order to use these methods without adding static to them? Thank you

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• Enhanced REST Support in Oracle Service Bus 11gR1

  - by jeff.x.davies

  In a previous entry on REST and Oracle Service Bus (see http://blogs.oracle.com/jeffdavies/2009/06/restful_services_with_oracle_s_1.html) I encoded the REST query string really as part of the relative URL. For example, consider the following URI: http://localhost:7001/SimpleREST/Products/id=1234 Now, technically there is nothing wrong with this approach. However, it is generally more common to encode the search parameters into the query string. Take a look at the following URI that shows this principle http://localhost:7001/SimpleREST/Products?id=1234 At first blush this appears to be a trivial change. However, this approach is more intuitive, especially if you are passing in multiple parameters. For example: http://localhost:7001/SimpleREST/Products?cat=electronics&subcat=television&mfg=sony The above URI is obviously used to retrieve a list of televisions made by Sony. In prior versions of OSB (before 11gR1PS3), parsing the query string of a URI was more difficult than in the current release. In 11gR1PS3 it is now much easier to parse the query strings, which in turn makes developing REST services in OSB even easier. In this blog entry, we will re-implement the REST-ful Products services using query strings for passing parameter information. Lets begin with the implementation of the Products REST service. This service is implemented in the Products.proxy file of the project. Lets begin with the overall structure of the service, as shown in the following screenshot. This is a common pattern for REST services in the Oracle Service Bus. You implement different flows for each of the HTTP verbs that you want your service to support. Lets take a look at how the GET verb is implemented. This is the path that is taken of you were to point your browser to: http://localhost:7001/SimpleREST/Products/id=1234 There is an Assign action in the request pipeline that shows how to extract a query parameter. Here is the expression that is used to extract the id parameter: $inbound/ctx:transport/ctx:request/http:query-parameters/http:parameter[@name="id"]/@value The Assign action that stores the value into an OSB variable named id. Using this type of XPath statement you can query for any variables by name, without regard to their order in the parameter list. The Log statement is there simply to provided some debugging info in the OSB server console. The response pipeline contains a Replace action that constructs the response document for our rest service. Most of the response data is static, but the ID field that is returned is set based upon the query-parameter that was passed into the REST proxy. Testing the REST service with a browser is very simple. Just point it to the URL I showed you earlier. However, the browser is really only good for testing simple GET services. The OSB Test Console provides a much more robust environment for testing REST services, no matter which HTTP verb is used. Lets see how to use the Test Console to test this GET service. Open the OSB we console (http://localhost:7001/sbconsole) and log in as the administrator. Click on the Test Console icon (the little "bug") next to the Products proxy service in the SimpleREST project. This will bring up the Test Console browser window. Unlike SOAP services, we don't need to do much work in the request document because all of our request information will be encoded into the URI of the service itself. Belore the Request Document section of the Test Console is the Transport section. Expand that section and modify the query-parameters and http-method fields as shown in the next screenshot. By default, the query-parameters field will have the tags already defined. You just need to add a tag for each parameter you want to pass into the service. For out purposes with this particular call, you'd set the quer-parameters field as follows: <tp:parameter name="id" value="1234" /> </tp:query-parameters> Now you are ready to push the Execute button to see the results of the call. That covers the process for parsing query parameters using OSB. However, what if you have an OSB proxy service that needs to consume a REST-ful service? How do you tell OSB to pass the query parameters to the external service? In the sample code you will see a 2nd proxy service called CallREST. It invokes the Products proxy service in exactly the same way it would invoke any REST service. Our CallREST proxy service is defined as a SOAP service. This help to demonstrate OSBs ability to mediate between service consumers and service providers, decreasing the level of coupling between them. If you examine the message flow for the CallREST proxy service, you'll see that it uses an Operational branch to isolate processing logic for each operation that is defined by the SOAP service. We will focus on the getProductDetail branch, that calls the Products REST service using the HTTP GET verb. Expand the getProduct pipeline and the stage node that it contains. There is a single Assign statement that simply extracts the productID from the SOA request and stores it in a local OSB variable. Nothing suprising here. The real work (and the real learning) occurs in the Route node below the pipeline. The first thing to learn is that you need to use a route node when calling REST services, not a Service Callout or a Publish action. That's because only the Routing action has access to the $oubound variable, especially when invoking a business service. The Routing action contains 3 Insert actions. The first Insert action shows how to specify the HTTP verb as a GET. The second insert action simply inserts the XML node into the request. This element does not exist in the request by default, so we need to add it manually. Now that we have the element defined in our outbound request, we can fill it with the parameters that we want to send to the REST service. In the following screenshot you can see how we define the id parameter based on the productID value we extracted earlier from the SOAP request document. That expression will look for the parameter that has the name id and extract its value. That's all there is to it. You now know how to take full advantage of the query parameter parsing capability of the Oracle Service Bus 11gR1PS2. Download the sample source code here: rest2_sbconfig.jar Ubuntu and the OSB Test Console You will get an error when you try to use the Test Console with the Oracle Service Bus, using Ubuntu (or likely a number of other Linux distros also). The error (shown below) will state that the Test Console service is not running. The fix for this problem is quite simple. Open up the WebLogic Server administrator console (usually running at http://localhost:7001/console). In the Domain Structure window on the left side of the console, select the Servers entry under the Environment heading. The select the Admin Server entry in the main window of the console. By default, you should be viewing the Configuration tabe and the General sub tab in the main window. Look for the Listen Address field. By default it is blank, which means it is listening on all interfaces. For some reason Ubuntu doesn't like this. So enter a value like localhost or the specific IP address or DNS name for your server (usually its just localhost in development envirionments). Save your changes and restart the server. Your Test Console will now work correctly.

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• Using delegates in C# (Part 2)

  - by rajbk

  Part 1 of this post can be read here. We are now about to see the different syntaxes for invoking a delegate and some c# syntactic sugar which allows you to code faster. We have the following console application. 1: public delegate double Operation(double x, double y); 2:  3: public class Program 4: { 5: [STAThread] 6: static void Main(string[] args) 7: { 8: Operation op1 = new Operation(Division); 9: double result = op1.Invoke(10, 5); 10: 11: Console.WriteLine(result); 12: Console.ReadLine(); 13: } 14: 15: static double Division(double x, double y) { 16: return x / y; 17: } 18: } Line 1 defines a delegate type called Operation with input parameters (double x, double y) and a return type of double. On Line 8, we create an instance of this delegate and set the target to be a static method called Division (Line 15) On Line 9, we invoke the delegate (one entry in the invocation list). The program outputs 5 when run. The language provides shortcuts for creating a delegate and invoking it (see line 9 and 11). Line 9 is a syntactical shortcut for creating an instance of the Delegate. The C# compiler will infer on its own what the delegate type is and produces intermediate language that creates a new instance of that delegate. Line 11 uses a a syntactical shortcut for invoking the delegate by removing the Invoke method. The compiler sees the line and generates intermediate language which invokes the delegate. When this code is compiled, the generated IL will look exactly like the IL of the compiled code above. 1: public delegate double Operation(double x, double y); 2:  3: public class Program 4: { 5: [STAThread] 6: static void Main(string[] args) 7: { 8: //shortcut constructor syntax 9: Operation op1 = Division; 10: //shortcut invoke syntax 11: double result = op1(10, 2); 12: 13: Console.WriteLine(result); 14: Console.ReadLine(); 15: } 16: 17: static double Division(double x, double y) { 18: return x / y; 19: } 20: } C# 2.0 introduced Anonymous Methods. Anonymous methods avoid the need to create a separate method that contains the same signature as the delegate type. Instead you write the method body in-line. There is an interesting fact about Anonymous methods and closures which won’t be covered here. Use your favorite search engine ;-)We rewrite our code to use anonymous methods (see line 9): 1: public delegate double Operation(double x, double y); 2:  3: public class Program 4: { 5: [STAThread] 6: static void Main(string[] args) 7: { 8: //Anonymous method 9: Operation op1 = delegate(double x, double y) { 10: return x / y; 11: }; 12: double result = op1(10, 2); 13: 14: Console.WriteLine(result); 15: Console.ReadLine(); 16: } 17: 18: static double Division(double x, double y) { 19: return x / y; 20: } 21: } We could rewrite our delegate to be of a generic type like so (see line 2 and line 9). You will see why soon. 1: //Generic delegate 2: public delegate T Operation<T>(T x, T y); 3:  4: public class Program 5: { 6: [STAThread] 7: static void Main(string[] args) 8: { 9: Operation<double> op1 = delegate(double x, double y) { 10: return x / y; 11: }; 12: double result = op1(10, 2); 13: 14: Console.WriteLine(result); 15: Console.ReadLine(); 16: } 17: 18: static double Division(double x, double y) { 19: return x / y; 20: } 21: } The .NET 3.5 framework introduced a whole set of predefined delegates for us including public delegate TResult Func<T1, T2, TResult>(T1 arg1, T2 arg2); Our code can be modified to use this delegate instead of the one we declared. Our delegate declaration has been removed and line 7 has been changed to use the Func delegate type. 1: public class Program 2: { 3: [STAThread] 4: static void Main(string[] args) 5: { 6: //Func is a delegate defined in the .NET 3.5 framework 7: Func<double, double, double> op1 = delegate (double x, double y) { 8: return x / y; 9: }; 10: double result = op1(10, 2); 11: 12: Console.WriteLine(result); 13: Console.ReadLine(); 14: } 15: 16: static double Division(double x, double y) { 17: return x / y; 18: } 19: } .NET 3.5 also introduced lambda expressions. A lambda expression is an anonymous function that can contain expressions and statements, and can be used to create delegates or expression tree types. We change our code to use lambda expressions. 1: public class Program 2: { 3: [STAThread] 4: static void Main(string[] args) 5: { 6: //lambda expression 7: Func<double, double, double> op1 = (x, y) => x / y; 8: double result = op1(10, 2); 9: 10: Console.WriteLine(result); 11: Console.ReadLine(); 12: } 13: 14: static double Division(double x, double y) { 15: return x / y; 16: } 17: } C# 3.0 introduced the keyword var (implicitly typed local variable) where the type of the variable is inferred based on the type of the associated initializer expression. We can rewrite our code to use var as shown below (line 7).  The implicitly typed local variable op1 is inferred to be a delegate of type Func<double, double, double> at compile time. 1: public class Program 2: { 3: [STAThread] 4: static void Main(string[] args) 5: { 6: //implicitly typed local variable 7: var op1 = (x, y) => x / y; 8: double result = op1(10, 2); 9: 10: Console.WriteLine(result); 11: Console.ReadLine(); 12: } 13: 14: static double Division(double x, double y) { 15: return x / y; 16: } 17: } You have seen how we can write code in fewer lines by using a combination of the Func delegate type, implicitly typed local variables and lambda expressions.

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• Is there an Android remote app compatible with LibreOffice Impress under Ubuntu?

  - by WarriorIng64

  I have an upcoming presentation I want to make in LibreOffice Impress on my Ubuntu 12.10 laptop. I was wondering if I could get ahold of an Android app which would act like a remote control, allowing me to switch between slides from my phone over WiFi without having to stay near the laptop (I've been told I need to move around more during my presentations). A quick look on the Google Play store seemed to turn up a handful of PowerPoint remote apps for Windows or maybe Mac. I also took a look at Can an Android phone control Ubuntu like a remote?, but that seems more for controlling an Ubuntu media center. Is there anything which will work with LibreOffice Impress on Ubuntu? My phone is a Samsung Galaxy Precedent on Straight Talk, running Android 2.2.2 (latest available version from the carrier). It's not rooted, and there's not much memory on it either, so the smaller and simpler the app the better. Also, it has to be free because I currently don't have a means to pay for an app I may/may not like.

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• Google I/O 2012 - HTML5 and App Engine: The Epic Tag Team Take on Modern Web Apps at Scale

  Google I/O 2012 - HTML5 and App Engine: The Epic Tag Team Take on Modern Web Apps at Scale Brad Abrams, Ido Green This talk discusses the latest and greatest application patterns and toolset for building cutting edge HTML5 applications that are backed by App Engine. This makes it incredibly easy to write an app that spans client and server; in particular, authentication just works out of the box. This talk walks through building a fantastic cloud-based HTML5 application For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 20 0 ratings Time: 59:50 More in Science & Technology

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• How do I recycle an IIS App pool with Powershell?

  - by Ralph Willgoss

  Reference implementation of a Powershell script to recycle app pools, in response to Rick's post:http://www.west-wind.com/weblog/posts/2012/Oct/02/A-tiny-Utility-to-recycle-an-IIS-Application-Pool#    File: RecycleAppPool.ps1#    Author: Ralph Willgoss#    Date: 2nd Oct 2012#    Reference:#    http://stackoverflow.com/questions/198623/how-do-i-recycle-an-iis-apppool-with-powershell# #    Alternative is to create a Process and run the inbuilt vbs:#    C:\WINDOWS\system32\iisapp.vbs => "IIsApp /a DefaultAppPool /r"#   #    Windows 2003 & II6 C:\WINDOWS\system32>cscript.exe iisapp.vbs /a StaticDataAppPool /r#    Windows 2008 IIS7 [tbd]# =============================================================================#    Iniatialise=============================================================================param ( )=============================================================================#   Main=============================================================================Write-OutPut ""Write-OutPut "Starting Recycling App Pool"Write-OutPut ""$appPoolName = "StaticDataAppPool" #$args[0]$appPool = Get-WmiObject -namespace "root\MicrosoftIISv2" -class "IIsApplicationPool"           | Where-Object { $_.Name -eq "W3SVC/APPPOOLS/$appPoolName" }           $appPool.Recycle()Write-OutPut ""Write-OutPut "Finished Recycling App Pool"Write-OutPut ""

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• Security of logging people in automatically from another app?

  - by Simon

  I have 2 apps. They both have accounts, and each account has users. These apps are going to share the same users and accounts and they will always be in sync. I want to be able to login automatically from one app to the other. So my solution is to generate a login_key, for example: 2sa7439e-a570-ac21-a2ao-z1qia9ca6g25 once a day. And provide a automated login link to the other app... for example if the user clicks on: https://account_name.securityhole.io/login/2sa7439e-a570-ac21-a2ao-z1qia9ca6g25/user/123 They are logged in automatically, session created. So here we have 3 things that a intruder has to get right in order to gain access; account name, login key, and the user id. Bad idea? Or should I can down the path of making one app an oauth provider? Or is there a better way?

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• Windows Phone 7 dev: C# or silverlight for a simple app?

  - by OneWorld

  I'm about to hire a programmer to develop Windows Phone 7 apps. The current app that shall be developed is quite simple. The app will download content from a Web-API. There are two lists to select content. There is a single item content page. Users can rate the content and upload photos. The screens will be produced by our artist. I am pretty sure that most of the available programmers haven't touched WP7 development yet. Now the questions are: What technology is suitable for this kind of app? What technology requires less research, learning and production time? Do you already have experience of limitations of silverlight compared to C#? (I am also thinking of future projects) My guess is that silverlight programmers are more experienced in UI programming than C# coders. Do you feel the same way?

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• What is a technique for 2D ray-box intersection that is suitable for old console hardware?

  - by DJCouchyCouch

  I'm working on a Sega Genesis homebrew game (it has a 7mhz 68000 CPU). I'm looking for a way to find the intersection between a particle sprite and a background tile. Particles are represented as a point with a movement vector. Background tiles are 8 x 8 pixels, with an (X,Y) position that is always located at a multiple of 8. So, really, I need to find the intersection point for a ray-box collision; I need to find out where along the edge of the tile the ray/particle hits. I have these two hard constraints: I'm working with pixel locations (integers). Floating point is too expensive. It doesn't have to be super exact, just close enough. Multiplications, divisions, dot products, et cetera, are incredibly expensive and are to be avoided. So I'm looking for an efficient algorithm that would fit those constraints. Any ideas? I'm writing it in C, so that would work, but assembly should be good as well.

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• Error accessing Gio.Gsettings on application made in quickly

  - by Zane Swafford

  I am trying to develop an application using the quickly/pygtk stack. I got my Gsettings schemas all set up in ~/app-name-here/data/glib-2.0/schemas/net.launchpad.app-name-here.gschema.xml correctly and I am able to access it just fine in my preferences dialog window that is located in ~/app-name-here/app-name-here/PreferencesDialog.py via from gi.repository import Gtk, Gio settings = Gio.Settings("net.launchpad.app-name-here") settings.get_boolean('notify') settings.set_boolean('notify', True) but when I try to check the value of one of my settings in a file located in ~/app-name-here/bin/Daemon.py that I use as a script to run in the background and send notifications by a similar method of from gi.repository import Gio settings = Gio.Settings("net.launchpad.app-name-here") settings.get_boolean('notify') it fails at the line that says settings = Gio.Settings("net.launchpad.app-name-here") and spits out a nasty error (Daemon.py:26100): GLib-GIO-ERROR **: Settings schema 'net.launchpad.app-name-here' is not installed Despite the fact that I can open up dconf-editor and find the settings under net/launchpad/app-name-here. Any thoughts?

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