Android开发之触摸事件-点击屏幕获…

.xml文件

<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
 
 
xmlns:tools="http://schemas.android.com/tools"
 
  android:layout_width="match_parent"
 
 
android:layout_height="match_parent"
 
  tools:context=".MainActivity"
>

 
  <TextView
 
     
android:id="@+id/info"
 
     
android:layout_width="fill_parent"
 
     
android:layout_height="fill_parent"
 
     
android:text="点击获取屏幕的坐标" />

</LinearLayout>

.java文件

package
com.example.touchproject;

import
android.os.Bundle;
import
android.app.Activity;
import
android.view.Menu;
import
android.view.MotionEvent;
import
android.view.View;
import
android.view.View.OnTouchListener;
import
android.widget.TextView;

public class MainActivity
extends Activity {

private TextView
info=null;
protected void onCreate(Bundle
savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
this.info=(TextView)
super.findViewById(R.id.info);
//添加触摸事件
this.info.setOnTouchListener(new
TouchListenerImp());
}
private class TouchListenerImp
implements OnTouchListener{

public boolean onTouch(View v,
MotionEvent event) {
MainActivity.this.info.setText("x="+event.getX()+"y="+event.getY());
return false;
}
}
}