Android得到控件在屏幕中的坐标

 
package xiaosi.location;  
  
import android.app.Activity;  
import android.os.Bundle;  
import android.view.View;  
import android.view.View.OnClickListener;  
import android.widget.Button;  
import android.widget.ImageView;  
  
public class LocationActivity extends Activity {  
    /** Called when the activity is first created. */  
    private ImageView t = null;  
    private Button button = null;  
    @Override  
    public void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.main);  
          
        t = (ImageView)findViewById(R.id.l);  
        button = (Button)findViewById(R.id.button);  
        button.setOnClickListener(new buttonListener());  
    }     
    public class buttonListener implements OnClickListener{  
  
        public void onClick(View v)  
        {  
            int[] location = new int[2];  
            t.getLocationOnScreen(location);  
            int x = location[0];  
            int y = location[1];  
            System.out.println("x:"+x+"y:"+y);  
            System.out.println("图片各个角Left："+t.getLeft()+"Right："+t.getRight()+"Top："+t.getTop()+"Bottom："+t.getBottom());  
        }  
    }  
}