getLocationOnScreen ，计算该视图在全局坐标系中的x，y值，（注意这个值是要从屏幕顶端算起，也就是索包括了通知栏的高度）//获取在当前屏幕内的绝对坐标

getLocationInWindow ，计算该视图在它所在的widnow的坐标x，y值，//获取在整个窗口内的绝对坐标 (不是很理解= =、)getLeft , getTop, getBottom,getRight, 这一组是获取相对在它父亲里的坐标如果在Activity的OnCreate()事件输出那些参数，是全为0，要等UI控件都加载完了才能获取到这些。

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());  }    }}