Android中如何获取手机屏幕大小

public



class


TestActivity extends Activity {




private


TextView tv;


private


Button btn;




//获取手机
屏幕分辨率的类




private


DisplayMetrics dm;




public



void


onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);



tv = (TextView)findViewById(R.id.tv);

btn = (Button)findViewById(R.id.btnOK);

btn.setOnClickListener(
new


View.OnClickListener() {




public



void


onClick(View v) {

dm =
new


DisplayMetrics();

getWindowManager().getDefaultDisplay().getMetrics(dm);


//获得手机
的宽度和高度像素单位为px



String strPM =
"手机
屏幕分辨率为:"

+ dm.widthPixels+
"* "

+dm.heightPixels;

tv.setText(strPM);

}

});

}



}