第一种:
WindowManager wm = (WindowManager) getSystemService(Context.
WINDOW_SERVICE);
int width = wm.getDefaultDisplay().getWidth();
int height = wm.getDefaultDisplay().getHeight();
第二种:
WindowManager m = getWindowManager();
int width = wm.getDefaultDisplay().getWidth();
int height = wm.getDefaultDisplay().getHeight();
第三种:
DisplayMetrics dm = context.getResources().getDisplayMetrics();
int width = dm.widthPixels;
int height = dm.heightPixels;
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