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AccessibilityTools 无障碍工具扩展：执行返回、主页和最近任务等操作 · A...
...面板
API 17
SplitScreen激活分屏
API 26，Android Oreo 8.1.0 起可用
其他方法
API 16
后续回复中有用户反馈：如果应用面向 Android 12 或更高版本，可能因为服务带有 intent filter 但未设置 android:exp...
Android Studio Collapse definitions and methods
How can I collapse all definitions and methods within the Android Studio editor?
14 Answers
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Eclipse error “ADB server didn't ACK, failed to start daemon”
...open SDK and AVD manager, but find the AVD version(2.3.3) is not same with android lib version(2.3). So I create a new AVD with 2.3.
I fixed it by the following steps:
1. Open windows task manager and kill adb.exe process.
2. Close eclipse and restart it. Then it works.
Hope it helps.
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Android Webview - Completely Clear the Cache
... to clearing cache
WebView obj;
obj.clearCache(true);
http://developer.android.com/reference/android/webkit/WebView.html#clearCache%28boolean%29
I have been trying to figure out the way to clear the cache, but all we could do from the above mentioned methods was remove the local files, but it n...
Android static object lifecycle
...oaded by the JVM and dies when the class is unloaded.
So if you create an android application and initialize a static variable, it will remain in the JVM until one of the following happens:
1. the class is unloaded
2. the JVM shuts down
3. the process dies
Note that the value of the static varia...
Select multiple images from android gallery
So basically what i am trying to achieve is opening the Gallery in Android and let the user select multiple images . Now this question has been asked frequently but i'm not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) ...
AI2 Keep Awake
...ould be sent regularly to an MQTT broker. With version 6.0 ( Marshmallow), Android introduced Doze mode to optimize battery life. This function gradually turns everything off (display, CPU, WiFi, etc.) when no app is being used. With the extension described here, you can ensure that the CPU is no...
android asynctask sending callbacks to ui [duplicate]
...s answer got quite popular, I want to add some things.
If you're a new to Android development, AsyncTask is a fast way to make things work without blocking UI thread. It does solves some problems indeed, there is nothing wrong with how the class works itself. However, it brings some implications, s...
Android OpenGL ES and 2D
..., I want to learn OpenGL ES directly since I'm targeting my development to android, however. I want to learn OpenGL ES in order to develop my 2D games. I chose it for performances purpose (since basic SurfaceView drawing isn't that efficient when it comes to RT games).
My question is: where to sta...
Android - Writing a custom (compound) component
The Android app I'm currently developing has a main activity that has grown quite large. This is mainly because it contains a TabWidget with 3 tabs. Each tab has quite a few components. The activity has to control of all those components at once. So I think you can imagine that this Activity has l...