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Delete keychain items when an app is uninstalled
...antage of the fact that NSUserDefaults are cleared by uninstallation of an app. For example:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
//Clear keychain on first run in case of reinstallation
if (![[NSUserDefaults standardU...
Crash logs generated by iPhone Simulator?
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The console will show the NSLog() output from an app running in the simulator. The crash logs are saved to file.
I have found some in my home directory under
~/Library/Logs/DiagnosticReports/
They have a file extension of .crash
Something I haven't yet figured out is h...
【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...
...数据跟踪我的情绪这个渐进式的指南告诉你如何创建一个App来跟踪你一周或一个月的情绪，并可视化数据。基于我们流行的Mood Ring教程，这款应用更进一步——它允许你创建一个可视化的Happy、Angry和Sad的天数。完成后，修改应...
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App Inve...
A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
I have read a lot of docs and code that in theory will validate an in-app and/or bundle receipt.
3 Answers
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How to launch an Activity from another Application in Android
I want to launch an installed package from my Android application. I assume that it is possible using intents, but I didn't find a way of doing it. Is there a link, where to find the information?
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How to structure a express.js application?
Is there a common convention for breaking up and modularizing the app.js file in an Express.js application? Or is it common to keep everything in a single file?
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What is the App_Data folder used for in Visual Studio?
When creating a new ASP.NET application in Visual Studio, a couple of files and folders are created automatically. One of those folders is called App_Data .
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Check if my app has a new version on AppStore
I would like to manually check if there are new updates for my app while the user is in it, and prompt him to download the new version. Can I do this by checking the version of my app in the app store - programatically?
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Android.app Fragments vs. android.support.v4.app using ViewPager?
...s a specific example, the ViewPager class. My intention is to create an app with similar functionality to the sample provided on the Android Developer website ( http://developer.android.com/training/animation/screen-slide.html or http://developer.android.com/training/implementing-navigation/lat...