void checkSize (View view) { final Point size = getWindowSize(); // window のサイズを 通知する view.measure (size.x, size.y); // サイズ取得! final int w = view.getMeasuredWidth(); final int h = view.getMeasuredHeight(); } Point getWindowSize () { final WindowManager wm = getWindowManager(); final Display disp = wm.getDefaultDisplay(); final Point size = new Point(); disp.getSize(size); return size; }