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扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网

...ially novices, to start programming and building fully functional apps for Android devices. Compared to traditional text programming with Android Studio, it has limited features. We enabled App Inventor with multi-touch gestures detection, such as two-finger rotation, and user-defined custom gesture...
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扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网

...ially novices, to start programming and building fully functional apps for Android devices. Compared to traditional text programming with Android Studio, it has limited features. We enabled App Inventor with multi-touch gestures detection, such as two-finger rotation, and user-defined custom gesture...
https://www.fun123.cn/referenc... 

扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网

...ially novices, to start programming and building fully functional apps for Android devices. Compared to traditional text programming with Android Studio, it has limited features. We enabled App Inventor with multi-touch gestures detection, such as two-finger rotation, and user-defined custom gesture...
https://www.fun123.cn/referenc... 

扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网

...ially novices, to start programming and building fully functional apps for Android devices. Compared to traditional text programming with Android Studio, it has limited features. We enabled App Inventor with multi-touch gestures detection, such as two-finger rotation, and user-defined custom gesture...
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Android - startActivityForResult immediately triggering onActivityResult

... your destnation activity (that special activity) is not singleInstance in AndroidManifest file. If the Activity is singleInstance, then it will return RESULT_CANCELED before launched! share | impro...
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The application may be doing too much work on its main thread

I am new to Android SDK/API environment. It's the first I am trying to draw a plot/chart. I tried running different kinds of sample codes the emulator using 3 different free libraries, nothing is showing in the layout screen. The logcat is repeating the following message: ...
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Android SQLite DB When to Close

I am working with a SQLite database on android. My database manager is a singleton and right now opens a connection to the database when it is initialized. It is safe to leave the database open the entire time so that when someone calls my class to work with the database it is already open? Or shoul...
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How to check if Receiver is registered in Android?

... Downvote to Android for not creating an API for that. +1 to you for providing a working solution :) – Denys Vitali Mar 23 '16 at 8:47 ...
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扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网

...ially novices, to start programming and building fully functional apps for Android devices. Compared to traditional text programming with Android Studio, it has limited features. We enabled App Inventor with multi-touch gestures detection, such as two-finger rotation, and user-defined custom gesture...
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Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术

Android代码优化小技巧前言这篇文章主要是介绍了一些小细节的优化技巧,当这些小技巧综合使用起来的时候,对于整个App的性能提升还是有作用的,只是不能较大幅度...前言 这篇文章主要是介绍了一些小细节的优化技巧,当这...