Android编程基础之获取手机屏幕大小(DisplayMetrics应用)示例

手机分辨率为:
按我获分辨率

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>

  Hello World, DisplayMetricsDemo!
  DisplayMetricsDemo
  手机分辨率为:
  按我获分辨率

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>

package com.android.test;
import android.app.Activity;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class DisplayMetricsDemo extends Activity {
  private TextView textview1;
  private Button button1;
  //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);
    //获取布局中TextView,Button对像
    textview1 = (TextView)findViewById(R.id.textview1);
    button1 = (Button)findViewById(R.id.button1);
    //增加button事件响应
    button1.setOnClickListener(new Button.OnClickListener(){
      public void onClick(View v)
      {
        dm = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(dm);
        //获得手机的宽带和高度像素单位为px
        String str = "手机屏幕分辨率为:" + dm.widthPixels
        +" * "+dm.heightPixels;
        textview1.setText(str);
      }
    });
  }
}