android唤醒屏幕/保持屏幕唤醒

1、唤醒屏幕

use PowerManager and WakeLockAndroidManifest.xml权限:

<uses-permission android:name="android.permission.WAKE_LOCK" />

程序中的代码:

PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);

PowerManager.WakeLock mWakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");

// in onResume() call

mWakeLock.acquire();

...

// in onPause() call

mWakeLock.release();

2、保持屏幕唤醒

use the window flag FLAG_KEEP_SCREEN_ON把下面的代码加入到程序onCreate方法中

@Override

protected void onCreate(Bundle icicle) {

super.onCreate(icicle);

// Set keep screen on

getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

}

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