Android-获取标题栏，状态栏，屏幕高度

Rect frame = new Rect();  getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);  int statusBarHeight = frame.top; 

android:layout_width="?attr/actionBarSize"android:layout_height="?attr/actionBarSize"

DisplayMetrics dm = new DisplayMetrics();    this.getWindowManager().getDefaultDisplay().getMetrics(dm);//this指当前activity    screenWidth =dm.widthPixels;    screenHeight =dm.heightPixels;