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  • How to display user location in mapkit?

    - by 4thSpace
    I'd like to display the blue pulsing dot for a user's location. I'm doing this: - (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation{ //some other stuff here [self.mapView setShowsUserLocation:YES]; } But I eventually get -[MKUserLocation establishment]: unrecognized selector sent to instance 0x125e90 Should I be doing this some other way?

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  • OrientationEventListener not working properly

    - by nixau
    Hi all, I need to handle orientation changes in my Android application. For this purpose I decided to use OrientationEventListener convenience class. But his callback method is given somewhat strange behavior. My application starts in the portrait mode and then eventually switches to the lanscape one. I have some custom code executing in the callback onOrientationChanged method that provides some additional UI handling logic - it has a few calls to findViewById. What is strange is that when switching back from landscape to portrait mode onOrientationChanged callback is called twice, and what's even worse - the second call is dealing with bad Context - findViewById method starts returning null. These calls are made right from the MainThread @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); listener = new OrientationListener(); } @Override protected void onResume() { super.onResume(); // enabling listening listener.enable(); } @Override protected void onPause() { super.onPause(); // disabling listening listener.disable(); } I've replicated the same behavior with a dummy Activity without any logic except for one that deals with orientation hadling. I initiate orientation switch from the Android 2.2 emulator by pressing Ctrl+F11 What could be wrong? Upd: Inner class that implements OrientationEventListener private class OrientationListener extends OrientationEventListener { public OrientationL() { super(getBaseContext()); } @Override public void onOrientationChanged(int orientation) { toString(); } } }

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  • moviePlayBackDidFinish: is not called in application.

    - by srikanth rongali
    In my application I have used these notifications when playing a video. But, The problem is the control of the program is not entering in to the first two methods(moviePreLoadDidFinish and moviePlayBackDidFinish). It is entering into last method. So, after the video is played and I pressed Done button in the video, I cannot touch any object in screen. I mean I used play button for video to play in a view. After the video played the play button is deactivated. - (void) moviePreloadDidFinish:(NSNotification*)notification { } // Notification called when the movie finished playing. - (void) moviePlayBackDidFinish:(NSNotification*)notification { } // Notification called when the movie scaling mode has changed. - (void) movieScalingModeDidChange:(NSNotification*)notification { } I could not get where I was wrong ? Thank You.

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  • Start Learning Android

    - by Shrewd Demon
    hi, i am a beginner with Android. I want to learn more about this new revolution. Kindly help me with links that will help me learn creating applications for Android. Please share if you have some simple source-code sites with you. Also show me a forum having high activity with Android users... thank you !

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  • OpenGL ES 2.0 equivalent of glOrtho()?

    - by Zippo
    In my iphone app, I need to project 3d scene into the 2D coordinates of the screen for some calculations. My objects go through various rotations, translations and scaling. So I figured I need to multiply the vertices with ModelView matrix first, then I need to multiply it with the Orthogonal projection matrix. First of all am on the right track? I have the Model View Matrix, but need the projection matrix. Is there a glOrtho() equivalent in ES 2.0?

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  • iPhone - strange error when testing on simulator

    - by lostInTransit
    Hi I was testing my app on the simulator when it crashed on clicking a button of a UIAlertView. I stopped debugging there, made some changes to the code and built the app again. Now when I run the application, I get this error in the console Couldn't register com.myApp.debug with the bootstrap server. Error: unknown error code. This generally means that another instance of this process was already running or is hung in the debugger.Program received signal: “SIGABRT”. I tried removing the app from the simulator, doing a clean build but I still get this error when I try to run the app. Can someone please let me know what I should do to be able to run the app on my simulator again. Thanks.

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  • Putting two picker control on single UIView.

    - by Amit Jain
    Hi I am having to picker controls on a single view with two outlets for each. Now when I select any of them same delegate methods are get called. How should we distinguish between which picker control has called the delegate ? Another question is can we change the frame size of the pickers to fit in one view? Thanks Amit

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  • Error Domain=SKErrorDomain Code=3 UserInfo=0x2a5a00 "Cannot connect to iTunes Store"

    - by SKk
    I am trying to implement InApp purchase in my application. I have implemented it as per Apple's programming guide and it(code) was working fine until I created new application, appid, provisioning profile and in-app products @ another developer account. Now, it gives me following error. Error Domain=SKErrorDomain Code=3 UserInfo=0x2a5a00 "Cannot connect to iTunes Store" Same code works fine if I use previous developer account's appid, pro-certificate and product ids. This is very strange issue, I double checked product id names and other things still facing same error. Any clue..?

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  • why AVAudioplayer doesn't stop/pause when viewWillDisappear?

    - by Rahul Vyas
    I am using avaudioplayer in my app. on viewwilldisappear i want to pause/stop the sound and on viewwill appear i want to play sound again.how do i do this? i'm using this code on viewWillAppear:- if(self.TickPlayer) { [self.TickPlayer play]; } if(self.TickPlayer.volume<0) { self.TickPlayer.volume=1.0; } and this on viewWillDisAppear if(self.TickPlayer) { [self.TickPlayer stop]; } here is the method which plays the sound -(void)PlayTickTickSound:(NSString*)SoundFileName { //Get the filename of the sound file: NSString *path = [NSString stringWithFormat:@"%@%@",[[NSBundle mainBundle] resourcePath],[NSString stringWithFormat:@"/%@",SoundFileName]]; //Get a URL for the sound file NSURL *filePath = [NSURL fileURLWithPath:path isDirectory:NO]; NSError *error; if(self.TickPlayer==nil) { self.TickPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:filePath error:&error]; // handle errors here. self.TickPlayer.delegate=self; [self.TickPlayer setNumberOfLoops:-1]; // repeat forever [self.TickPlayer play]; } if(self.TickPlayer) { [self.TickPlayer play]; } } and i'm calling it in method which fires every second using a timer in viewDidLoad- self.timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(updateCountdown) userInfo:nil repeats:YES]; -(void) updateCountdown { [self PlayTickTickSound:@"tick.caf"]; } i'm also playing a beep sound using avaudioplayer at a specific condition when alert appears.that works fine but this is not working as expected

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  • Converting NSDecimalNumber to NSString

    - by 4thSpace
    I'm retrieving a key from an object that looks like this: po obj { TypeID = 3; TypeName = Asset; } The key value is being retrieved like this: NSString *typeId = (NSString*)[obj objectForKey:@"TypeID"]; Rather than typeId being an NSString, it is an NSDecimalNumber. Why is that? How do I convert it to an NSString?

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  • UIGraphicsGetCurrentContext threading problem

    - by Infinity
    Hello guys! The reference says this: "You should call this function from the main thread of your application only." But I would like to get the current graphics context from separate threads. What do you think? What can I do to reach this? Edit: Thanks guys for the answers. I don't know which is good for me at the moment, but thank you very much.

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  • Memory management in objective-c

    - by prathumca
    I have this code in one of my classes: - (void) processArray { NSMutableArray* array = [self getArray]; . . . [array release]; array = nil; } - (NSMutableArray*) getArray { //NO 1: NSMutableArray* array = [[NSMutableArray alloc]init]; //NO 2: NSMutableArray* array = [NSMutableArray array]; . . . return array; } NO 1: I create an array and return it. In the processArray method I release it. NO 2: I get an array by simply calling array. As I'm not owner of this, I don't need to release it in the processArray method. Which is the best alternative, NO 1 or NO 2? Or is there a better solution for this?

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  • Problem using setEmptyView on a ListActivity

    - by Pentium10
    I have the following setup, and the empty view text doesn't show up... protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); getListView().setEmptyView(findViewById(R.id.empty)); getListView().setTextFilterEnabled(true); setListAdapter(null);// to have empty list } The layout file is: <?xml version="1.0" encoding="utf-8"?> <LinearLayout android:id="@+id/myScrollLayout" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" xmlns:android="http://schemas.android.com/apk/res/android"> <FrameLayout android:layout_width="fill_parent" android:layout_height="0dip" android:layout_weight="1"> <ListView android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="fill_parent" android:drawSelectorOnTop="false" /> <!-- Here is the view to show if the list is emtpy --> <ScrollView android:id="@android:id/empty" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TextView android:id="@+id/emptyText" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="@string/contact_empty_help" android:textSize="20sp" android:textColor="?android:attr/textColorSecondary" android:paddingLeft="10dip" android:paddingRight="10dip" android:paddingTop="10dip" android:lineSpacingMultiplier="0.92" /> </ScrollView> </FrameLayout> </LinearLayout> String is defined as: <string name="contact_empty_help">"You don't have any contacts to display.\n\nTo add contacts, you have to:\n \n<li><font fgcolor="#ffffffff">Go to <b>Contacts</b></font> application to create new contacts\n</li> \n<li><font fgcolor="#ffffffff"><b>Import from VCF file</b></font>, this is available in Contacts menu, the file most be on the root of the SD card\n</li>" </string> Since the list is empty, it should show me the text defined. I followed the example from the List8 http://developer.android.com/intl/de/resources/samples/ApiDemos/src/com/example/android/apis/view/List8.html http://developer.android.com/intl/de/resources/samples/ApiDemos/res/layout/list_8.xml

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  • How to allow tap-to-focus on the camera using an overlay

    - by AJJ
    The standard 3GS iPhone camera includes tap-to-focus (I can tap to the region I want to focus on). However when I use a custom overlay using the UIImagePickerController class, the tap to focus does not seem to work. Everything else in terms of capturing images programmatically etc is working btw. Note that my overlay view is only a small rectangle (UIView) at the bottom of the screen. It does not cover the other areas of the camera. So I believe the taps should go through (unless I am missing something). I have seen other apps use an overlay and still provide a tap-to-focus functionality, so there must be a way to do this. I use all the default controls set to be hidden as: imagePicker.showsCameraControls = NO; imagePicker.toolbarHidden = YES; imagePicker.navigationBarHidden = YES; Of course changing the above does not let me tap-to-focus (it just enables the toolbars, etc). I could not find any answers on the UIImagePickerController class reference. Any help would be greatly appreciated. Thanks!

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  • touchEvent in UIScrollview?

    - by senthilmuthu
    i am using ScrollviewDelegate Protocol in viewcontroller.but i am using Custom UIView(UIImageview)in that custom view touch began, touch ended is working ,but touchMoved is not called.how can i achieve this one?

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  • Inform Activity from a BroadcastReceiver ONLY if it is in the foreground

    - by Zordid
    Hi there! Maybe it's easy, but I couldn't really figure this out right so far... I got a BroadcastReceiver waiting to get triggered by the AlarmMangager - this works fine. Now: because the event, if it occurs, needs to refresh some elements on screen of the main Activity, I would like to send an Intent from that background BroadcastReceiver to my Activity - but only if it is currently in the foreground, aka active. If it is not running or not visible, I don't care - and the last thing I want to do is start the Activity by my intent! I handle repainting of the views in my onResume method, so I don't care at all. Any hints on how to do that? Thanks! EDIT: my BroadcastReceiver is waiting for alarms that must be notified to the user. So, it must be there and declared in the manifest. The problem is: it will have to decide whether the mentioned Activity is currently up in front or not.

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  • .xcodeproj does not get committed with XCode's SCM Tool

    - by Dimitris
    I am using the SCM Tools embedded in XCode to manage my app's versioning. I have created an iPhone app and I have added/committed it to the Subversion server but the .xcodeproj file won't upload (all the class files, resources etc are there)! I don't even get the option to "Add to Repository". Sometimes it gets an "A" (add) next to it under the "SCM" column but still, the next time I commit changes or commit entire project it still doesn't upload and show up on the server. As a result my team can't get and run the project. Is there a way to so something (other than just use the terminal or Versions)? Thank you.

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  • Command /Developer/usr/bin/dsymutil failed with exit code 10

    - by Evan Robinson
    I am getting the above error message randomly (so far as I can tell) on iPhone projects. Occasionally it will go away upon either: Clean Restart XCode Reboot Reinstall XCode But sometimes it won't. When it won't the only solution I have found is to take all the source material, import it into a new project, and then redo all the connections in IB. Then I'm good until it strikes again. Anybody have any suggestions? [update 20091030] I have tried building both debug and release versions, both full and lite versions. I've also tried switching the debug symbols from DWARF with external dSYM file to DWARF and to stabs. Clean builds in all formats make no differences. Permission repairs change nothing. Setting up a new user has no effect. Same error on the builds. Thanks for the suggestions! [Update 20091031] Here's an easier and (apparently) reliable workaround. It hinges upon the discovery that the problem is linked to a target not a project In the same project file, create a new target Option-Drag (copy) all the files from the BAD target 'Copy Bundle Resources' folder to the NEW target 'Copy Bundle Resources' folder Repeat (2) with 'Compile Sources' and 'Link Binary With Libraries' Duplicate the Info.plist file for the BAD target and name it correctly for the NEW target. Build the NEW target! [Update 20100222] Apparently an IDE bug, now apparently fixed, although Apple does not allow direct access to the original bug of a duplicate. I can no longer reproduce this behaviour, so hopefully it is dead, dead, dead.

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  • How do I change my iPhone App binary filename

    - by Kamchatka
    I get the following error when I try to upload the application on iTunes Connect: "Binary file names cannot contain a space. Please rename your binary file and try again." If I try to Validate the Application in XCode, I get: "My Application.ipa: filename may not contain whitespace" So I guess I have to find a way to rename this .ipa file. I don't want to change my product name which has to stay "My Application". How can I do that? Thanks!

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  • Activity has leaked window that was originally added

    - by Pentium10
    What's this error, why happens? 05-17 18:24:57.069: ERROR/WindowManager(18850): Activity com.mypkg.myP has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@44c46ff0 that was originally added here 05-17 18:24:57.069: ERROR/WindowManager(18850): android.view.WindowLeaked: Activity ccom.mypkg.myP has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@44c46ff0 that was originally added here 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.view.ViewRoot.<init>(ViewRoot.java:231) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.view.Window$LocalWindowManager.addView(Window.java:424) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.Dialog.show(Dialog.java:239) 05-17 18:24:57.069: ERROR/WindowManager(18850): at com.mypkg.myP$PreparePairingLinkageData.onPreExecute(viewP.java:183) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.os.AsyncTask.execute(AsyncTask.java:391) 05-17 18:24:57.069: ERROR/WindowManager(18850): at com.mypkg.myP.onCreate(viewP.java:94) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2544) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2621) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.ActivityThread.access$2200(ActivityThread.java:126) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1932) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.os.Handler.dispatchMessage(Handler.java:99) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.os.Looper.loop(Looper.java:123) 05-17 18:24:57.069: ERROR/WindowManager(18850): at android.app.ActivityThread.main(ActivityThread.java:4595) 05-17 18:24:57.069: ERROR/WindowManager(18850): at java.lang.reflect.Method.invokeNative(Native Method) 05-17 18:24:57.069: ERROR/WindowManager(18850): at java.lang.reflect.Method.invoke(Method.java:521) 05-17 18:24:57.069: ERROR/WindowManager(18850): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 05-17 18:24:57.069: ERROR/WindowManager(18850): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 05-17 18:24:57.069: ERROR/WindowManager(18850): at dalvik.system.NativeStart.main(Native Method)

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