取得手机屏幕的大小

DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
String strOpt = "手机屏幕分辨率为:"+dm.widthPixels+"×"+dm.heightPixels;
mTextView02 = (TextView)this.findViewById(R.id.myTextView02);
mTextView02.setText(strOpt);