Android开发之触摸事件-点击屏幕获…

.xml文件

<LinearLayoutxmlns: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

packagecom.example.touchproject;

importandroid.os.Bundle;

importandroid.app.Activity;

importandroid.view.Menu;

importandroid.view.MotionEvent;

importandroid.view.View;

importandroid.view.View.OnTouchListener;

importandroid.widget.TextView;

public class MainActivityextends Activity {

private TextViewinfo=null;

protected void onCreate(BundlesavedInstanceState) {

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(newTouchListenerImp());

}

private class TouchListenerImpimplements OnTouchListener{

public boolean onTouch(View v,MotionEvent event) {

MainActivity.this.info.setText("x="+event.getX()+"y="+event.getY());

return false;

}

}

}