Android编程获取手机屏幕分辨率大小的方法

import android.app.Activity;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.widget.TextView;
public class A03Activity extends Activity {
 private TextView mTextView01;
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    mTextView01=(TextView)findViewById(R.id.myTextView01);
    DisplayMetrics dm=new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(dm);
    String s="屏幕的分辨率为："+dm.widthPixels+"*"+dm.heightPixels;
    mTextView01.setText(s);
  }
}