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我有一個簡單的Activity
,它在屏幕上添加了一個視圖。代碼是:WindowManager.addView可以防止其他應用程序設置屏幕亮度
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
WindowManager wm = (WindowManager)this
.getSystemService(Context.WINDOW_SERVICE);
View view = new customView(this);
view.setBackgroundColor(0);
WindowManager.LayoutParams params = new WindowManager.LayoutParams();
params.width = 0;
params.height = 0;
params.gravity = Gravity.TOP | Gravity.LEFT;
params.x = 1;
params.y = 1;
params.format = PixelFormat.RGBA_8888;
params.type = WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;
params.flags = WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
wm.addView(view, params);
}
public static class customView extends View {
public customView(Context context) {
super(context);
}
}
}
奇怪的是,視圖添加了一些應用程序後(例如MX Player)無法再設置屏幕亮度!
劑量任何人有任何想法?
謝謝!但我希望將視圖添加到其他應用程序的前面。 – shhp
http://developer.android.com/reference/android/app/Presentation.html這是否可以幫助你 – jackGao