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• AVD Error: No compatible targets were found. Do you wish to add a new Android Virtual Device?

  - by cdonner

  I must be missing something. Help! My manifest contains: <manifest ...> <uses-sdk android:minSdkVersion="4" android:targetSdkVersion="7" android:maxSdkVersion="10" /> <application ... I have all API packages installed (through 7 - Android 2.1). Whenever I try to run or debug my app in the emulator, reglardless of which version I start, I get the message in the subject line and I have to click on Cancel in order to continue. After that, the device chooser appears: and I can select a device and the app starts up fine in the Emulator. What do the red Xs mean next to the target? When my Nexus One is cradled, I do not get the warning that there is no compatible device. I can live with the extra click, but I am concerned that my up does not properly register the target API level and that this will cause problems once uploaded to the market.

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• Streaming Audio over UDP to Android

  - by Mr. Pig

  Is it possible to have Android (perhaps via MediaPlayer or a different existing class) accept media streams over UDP? I've successfully had MediaPlayer connect to an HTTP stream (as well as static files hosted on an HTTP server) but I'm wondering how one would go about accepting a stream from a UDP source. I've seen this and suppose a solution similar to that (where I download the stream via an independent UDP socket and then move the data to a MemoryBuffer that I then pass to MediaPlayer) is an option but I'm curious if a method already exists in the SDK, and if it does not, what other options do I have? Thanks

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• dequeueReusableCell:withIdentifier: returns a cell even if it is not there?

  - by lostInTransit

  Hi I am using SDK 3.2 to create an iPad application. In my table I have 2 kinds of rows, one with a custom accessory view and another without any. I use two different cell identifiers for creating these. The first cell is created properly (dequeueReusable... returns a nil and the cell is initialized). But when a call is made to dequeueReusable.. with the other cell identifier, the cell is not nil (it should be because this is the first time the identifier is being used) An even stranger part is that when I use this cell to set the textLabel's text, it returns an EXC_BAD_ACCESS. So 2 questions Why is dequeueReusable... returning a cell when there is no cell created using the said identifier Even if it does return a cell, why is access to textLabel causing a crash? Thanks.

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• Require CoreTelephony framework examples.

  - by prathumca

  Greetings everyone. Can any one has a working example for the CoreTelephony framework? I dumped all the CoreTelephony headers using class-dump and added them to "/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.1.3.sdk/System/Library/PrivateFrameworks/CoreTelephony.framework". Now I'm following the Erica's tutorial (http://blogs.oreilly.com/iphone/2008/08/iphone-notifications.html). I added these following lines of code in my main.m, id ct = CTTelephonyCenterGetDefault(); CTTelephonyCenterAddObserver( ct, NULL, callback, NULL, NULL, CFNotificationSuspensionBehaviorHold); but I'm getting a warning like, Implicit declaration of function "CTTelephonyCenterGetDefault()" and "CTTelephonyCenterAddObserver(...)". Can any one has full working example, which will explain how to get the CoreTelepony notifications?

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• Changing the default UITabBarController background color.

  - by Scott

  Hello, So I have an iPhone application running that is controlled at the highest level by a UITabBarController. It is the default black Tab Bar at the bottom that you see in many iPhone apps. I am kind of new to iPhone SDK programming, and I know I have seen other apps that have their own background color for the Tab Bar at the bottom. I am not sure if they are using this tab bar as I am, as the main controller for their app, but the question applies to this: How do I change the background color of the main UITabBarController in my application? I wanted to change it to a dark shade of green similar to the colors of the navigation bars and labels I have placed in my app. I find it weird how Apple makes it really easy to change the color of Navigation Bars (not controllers), and other things, but when it comes to controllers (in this case a Tab Bar Controller), I cannot find a single way to implement this cleanly and efficiently. Thanks! -Scott

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• Xcode warning: application executable contains unsupported architecture(s):arm, arm (-19031)

  - by rmvz3

  Hi all. I've been receiving this warning since I loaded my project in last Xcode 4 preview. There was no warning before that but now I can't get rid of it even in Xcode 3.2. I've been googling but nobody seems to have the same error. My project and target settings are correct (IMHO): Architectures: Standard (armv6 armv7), Base SDK: Latest iOS (currently set to iOS 4.2), Build Active Architecture Only: FALSE, Valid Architectures: armv6 armv7. I compared every project setting with other projects and and found no differences. I even have recreated the project starting from scratch and copying classes, resources and frameworks with the same result. I must say that the warning is not shown when I set Debug configuration. I hope someone can help me because I don't know what to do. Thanks in advice.

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• iPad and UIPickerView (or UIDatePickerView)

  - by Staros

  Hey all, Has anyone had any luck using a UIPicker in the 3.2 SDK? I'm in the middle of porting an iPhone application over to an iPad and that's the one thing I can't seem to get to work. I've tried... -Creating an action sheet, add the picker as a subview and displaying it. -Creating that above action sheet, making it the view of a generic ViewController, adding that VC to a UIPopover -Making just the picker the view of a generic ViewController, adding that VC to a UIPopover With the action sheet it doesn't even attempt to draw it. In the popover view it attempts to draw but doesn't get rendered correctly. Just wanted to check to see if anyone has accomplished this and if so how. Thanks everyone!

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• How to insert a date to an Open XML worksheet?

  - by Manuel

  I'm using Microsoft Open XML SDK 2 and I'm having a really hard time inserting a date into a cell. I can insert numbers without a problem by setting Cell.DataType = CellValues.Number, but when I do the same with a date (Cell.DataType = CellValues.Date) Excel 2010 crashes (2007 too). I tried setting the Cell.Text value to many date formats as well as Excel's date/numeric format to no avail. I also tried to use styles, removing the type attribute, plus many other pizzas I threw at the wall... Can anyone point me to an example inserting a date to a worksheet? Thanks,

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• Convert Environment.OSVersion to NTDDI version format

  - by David Brown

  In sdkddkver.h of the Windows Platform SDK, there are various OS versions defined as NTDDI_*. For example, Windows XP and its service packs are defined as: #define NTDDI_WINXP 0x05010000 #define NTDDI_WINXPSP1 0x05010100 #define NTDDI_WINXPSP2 0x05010200 #define NTDDI_WINXPSP3 0x05010300 #define NTDDI_WINXPSP4 0x05010400 There are also masks which, along with the OSVER, SPVER, and SUBVER macros, allow you to pull the respective parts out of the NTDDI version. #define OSVERSION_MASK 0xFFFF0000 #define SPVERSION_MASK 0x0000FF00 #define SUBVERSION_MASK 0x000000FF I have all of these defined as constants in C# and what I'd like to do now is convert the data returned by Environment.OSVersion to a value corresponding to one of the NTDDI versions in sdkddkver.h. I could make a massive switch statement, but that's not really as future-proof as I'd like it to be. I would need to update the conversion method every time a new OS or service pack is released. I have a feeling this could be done with the help of some bitwise operators, but I'll be honest and say that those aren't my strong point. I appreciate any help!

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• iPhone: Failed to launch simulated application: Unknown error.

  - by Schubert

  This is a new iPhone project, only 1 target (different from this question) On build we get: Failed to launch simulated application: Unknown error. The google again gives us nothing, lots of people have encountered this and there are lots of crazy ideas to try "oh clean the build", "clear the cache", "twiddle this flag" and none of them work and work consistently. We can reproduce this on two different machines with SDK 2.2.1 and 3.0 beta. Not the install on the machines since other iphone projects work just fine so we believe it has something to do with the config of this particular project but after combing through the config twice we can't spot the problem. Vanna, I'd like to buy a clue for $200 please. Tried: XCode menu-Clear cache Tried: clean all targets Tried: rm -rf ~/Library/Application\ Support/iPhone\ Simulator

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• How can specific type details be filtered from Dia2Dump ?

  - by Usman

  Hello, I need to filter details of specific Type(i.e Custom Type) . DIA2Dump blindly dump everything as type. I need to give it specific custom type as string and as result need all data members(i.e data section of that class). Is there any specific function available in DIA SDK for this. say I have Custom type MyClass and it has 4 variables as data members i.e DWORD data, DWORD location, BOOL MachineType and FLOAT Price. Now I should be able to pass MyClass as in parameter and it should output as data members(listed above as data,location...) of this class. How..?? Regards Regards Usman

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• Best Practices for persisting iPod Playlist (MPMediaItemCollection) across sessions

  - by coneybeare

  When using in-app audio in the iPhone SDK, it is possible to allow users to select a list from their ipod library and create an in-app local playlist. If I want to persist this choice, it is easy to serialize the data and write to file, then recover. Just vanilla like this, however, leads me to think there is going to be something wrong. For example, what if the user syncs and removes sounds? I can loop across them all and query the iPod DB at setup time, but with lists that could be 50,000 long, this could take some time. How are other people doing this and what are some gotchas that I haven't though about?

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• [android] Screen Orientation Landscape back to Portrait not working

  - by marc

  Hello, I've racked my brain for hours over this issue. I have created a main.xml and designed one for the res/layout-land (landscape) format and another one for portrait in res/layout. When I rotate the emulator (ctrl-F11), my app rotates properly to landscape using the correct main.xml, but a subsequent rotation back to portrait just keeps the landscape mail.xml. This was done in a 2.0 AVD.. Out of despiration I downloaded the new Sample Code for Multiple Resolutions and had to create a new 2.1 AVD, to my surprise rotation with this app works correctly as expected. So I then decided to try my app on the 2.1 AVD and it works perfectly. So, is this a Bug in a 2.0 AVD or is there something special I need to be doing for < 2.1 SDK versions? This is driving me crazy because no where did anyone mention this issue. Thanks in advance

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• Reverse geocode without using MKReverseGeocoder

  - by SpH1nX

  Hi guys, I'm trying to detect current user address using MKReverseGeocoder passing coordinates obtained via CLLocation class. Reading MKReverseGeocoder Class Reference I noticed that The Google terms of service require that the reverse geocoding service be used in conjunction with a Google map; take this into account when designing your application's user interface. so I'm wondering if (and eventually how) can I reverse geocode user current location on iPhone OS SDK 3.1.3. I thought using Google Maps API but the EULA has the same obligation. Yahoo Maps API is even worse and Microsoft one aren't free.

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• iPhone Shell - is there any?

  - by alee

  While working on iphone security architecture, i came to know that i can run applications from other applications in iphone. referring to the following url http://iphonedevelopertips.com/cocoa/launching-other-apps-within-an-iphone-application.html for example, i can put a link in a website with following hyperlink skype:// will result skype to run and call at particular number. Now i have few concerns here. is there a shell running in background in iphone, so that it allows other application to run basic app commands. if the above statement is true then how can i enable or run commands directly into iphone shell? if above statements are false, then could you please explain how these commands are being executed? is this part of iPhone SDK? or this funcationality is iPhone OS

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• iPhone Shell - is there any?

  - by alee

  While working on iphone security architecture, i came to know that i can run applications from other applications in iphone. referring to the following url http://iphonedevelopertips.com/cocoa/launching-other-apps-within-an-iphone-application.html for example, i can put a link in a website with following hyperlink skype:// will result skype to run and call at particular number. Now i have few concerns here. is there a shell running in background in iphone, so that it allows other application to run basic app commands. if the above statement is true then how can i enable or run commands directly into iphone shell? if above statements are false, then could you please explain how these commands are being executed? is this part of iPhone SDK? or this funcationality is iPhone OS

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• Pushing a ABUnknownPersonViewController onto a navigation controller results in having no Navigation

  - by dermdaly

  Hi There, I'm working with the Address Book UI API on iPhone SDK 3.0. I want to present to the user the ability to create a new user, or add to an existing one, so I am using the ABUnknownPersonViewController. I have an existing navigation stack (with only 2 other views on it). Trouble is when I push the ABUnknownPersonViewController onto it, it shows up animated, etc. But there is no navigation bar, so no way to cancel. My code snippet is as follows newPersonViewController = [[ABUnknownPersonViewController alloc] init]; newPersonViewController.unknownPersonViewDelegate = self; newPersonViewController.displayedPerson = person; newPersonViewController.allowsAddingToAddressBook = YES; newPersonViewController.allowsActions = NO; [[self navigationController] pushViewController:newPersonViewController animated:YES]; Note: the current view controller does have a title, so that's not the issue. Any ideas what I am missing?

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• FBConnect for iPhone: sessionDidNotLogin, sessionDidLogout, session didLogin not called the second t

  - by Irene

  My problem is very similar to this question, however I am posting a new one, as the answer to the aforementioned does not seem to solve my problem. I have a multiview application - the first view is where the user logs in to Facebook, and the second where he picks an image and uploads it there. The first time the app runs, everything works fine, however if I return to the login view and press logout, then any calls to sessionDidNotLogin, sessionDidLogout or session didLogin don't seem to work. I found out that the first time, if I NSLog(@"%@",session.delegates); I have 2; my LoginViewController and the FBLoginButton. However, apart from that first time, the same log prints only the LoginViewController and not the FBLoginButton. I guess this is connected somehow, but I don't know how to solve it. Do I have to manually add the FBLoginButton to the session delegates, or I'm doing something else wrong here? Thank you for any help/suggestion.

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• creating own bundle - in xCode - for iPhone application

  - by sagar

  Hello ! every one. I am having some difficulty regarding creating a bundle for the application & placing files within that bundle. For Example : FaceBook has developed a bundle for iPhone applications. Same way I also want to create a bundle which can be reused for many applications. My questions are as follows. what steps should I follow to create a bundle for any kind of application ? what should be taken care while creating a bundle? Thanks in advance for sharing your knowledge. Sagar kothari.

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• Outputting a bar chart to an iPhone application?

  - by Moddy

  Right, I really want to output a Bar Graph to an Obj-C iPhone application - now I may be missing a vital SDK class or something; but right now my solution is to embed a WebView and inside that have a JQuery/Flot based graph - not totally ideal I know! Just wondering if anybody has any other creative solutions or whether a WebView/AJAX solution is the way to go? (For the record; my data source will be figures returned from an external source - i.e downloaded from the internet. So I was even toying with having a PHP Proxy/script do all the work on that, return the figures AND a graph to the application - but then I risk placing extra strain on the server!)

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• SSL Domain Error in IPhone- https connection

  - by Krishnan

  Hi All, I am using CFNetwork to connect to a https webservice , whose server is a Verisign certified. I get the appropriate response from the server some times. But the rest of the time I am getting two kind of errors. 1."Operation could not be completed. (kCFStreamErrorDomainSSL error -9807.) 2."Operation could not be completed. (kCFStreamErrorDomainSSL error -4.)" I am using SDK 3.0 and tested it in 3.1 also. I don't get a consistent result. Please some one help me to solve the issue. Regards, Krishnan

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• UIKit/UiKit.h missing, on a newer version

  - by letsee

  Dear Everyone, I've a application which has been written for 2.1. Now I'm running that app on xcode 3.2.5 and SDK 4.2. Here's the problem, When I try to Build and Run, I get the following error: UIKit.framework/UIKit.h: No such file or directory In file included from users/.../classes/Radio.m UIKit.framework/UIKit.h: no such file or directory in users/.../classes/Radio.h I don't know why I'm facing that error, because the UIKit.framework is included in my projects "Frameworks" group. I've updated the OS target and other similar options, and application runs clearly without UIKit. I would appreciate it if anyone could help me through. Regards,

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• Can a ViewController (AdMob AdViewController) control a view that is a subview of the controlled vie

  - by RexOnRoids

  I am trying to use the IB AdMob ad in my app. I followed the instructions provided but I am getting an EXC_BAD_ACCESS from the AdMob class. I am trying to figure out what the problem is. Anyway, my question is Can a ViewController (AdMob AdViewController) control a view that is a subview of the controlled view of another UIViewController? Here is how I set it up: I start off with a UIViewController in IB. Step 1) I add a UIView sized 320 x 48 to the UIView controlled by the UIViewController. Step 2) I add an Object to the hierarchy (not under any other object). Step 3) I set the class of the Object to AdViewController (AdViewController.h of AdMob SDK) Step 4) I set connect the view outlet of the Object to the UIView of Step 1

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• How do I automate navigation to a website that requires authentication?

  - by Wiz

  Here's what I'm trying to achieve. I would like to write a script that will navigate to a website that requires me to be authenticated as myself, say Facebook, Live Spaces, Twitter or any other, and then have that script search for certain information on one of the pages of the website. I've done something similar in the past with the Windows.Forms WebBrowser control, which is a full blown implementation of IE that can be controlled through code and will store whatever cookies you get once you're authenticated, but it was very unfriendly to modify and I was hoping to use a scripting language instead, maybe Powershell or something of that sort. Are there maybe some good tutorials about this out there on the web? Thanks!

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• Replicate behavior of Android browser

  - by Brian515

  Hi all, I am writing for Android, and I can't figure out how to replicate the effect of the Android browser where the progress bar is at the top of the screen, with the webview below it, yet when you scroll down, the bar scrolls with the page. I've tried placing both the webview and the progress bar into a scrollview, but when I do that, the webview becomes completely unresponsive and will not load (or respond to any commands, for that matter). Any help would be greatly appreciated. Thanks! P.S., I'm using the Eclipse IDE, and I'd like to to continue using the 1.5 SDK if possible to maintain backwards compatibility (and just to be able use my own application -- my phone isn't getting 2.1 for a couple of months).

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