代码：
activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="显示触摸事件信息" /> </LinearLayout> MainActivity.java
package com.example.screentouch; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.view.View.OnTouchListener; import android.widget.LinearLayout; import android.widget.Toast; public class MainActivity extends Activity implements OnTouchListener{ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); LinearLayout layout=new LinearLayout(this); layout.setOnTouchListener(this); layout.setBackgroundResource(R.drawable.background); setContentView(layout); } @Override public boolean onTouch(View v, MotionEvent event) { // TODO Auto-generated method stub Toast.makeText(this, "发生触摸事件", Toast.LENGTH_LONG).show(); return true; } } 截图：
