android windows

 1 DisplayMetrics dm=new DisplayMetrics();
 2 //新建一个分辨对象
 3 
 4 WindowManager wm=this.getWindowManager();
 5 //找到当前显示的窗口
 6 
 7 Display display= wm.getDefaultDisplay(); 
 8 //根据窗口显示部分，找到屏幕的分辨率
 9         display.getMetrics(dm);
10         int width=dm.widthPixels;
11         int height=dm.heightPixels;
12         tx=(TextView)findViewById(R.id.textView1);
13         tx.setText(width+"*"+height);
14         

 1     class MyEvent implements OnClickListener
 2     {
 3         int id;
 4         MyEvent(){}
 5         MyEvent(int id){this.id=id;}
 6         @Override
 7         public void onClick(View arg0) {
 8             // TODO Auto-generated method stub
 9             if(id==1){MainActivity.this.setContentView(R.layout.aaa);}
10             if(id==2){MainActivity.this.setContentView(R.layout.bbb);}
11         }       
12     }