android添加触摸事件

android触摸事件

package com.example.touch_1;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.RelativeLayout;import android.widget.Toast;public class MainActivity extends Activity implements OnTouchListener {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);     ////1111RelativeLayout myLayout = (RelativeLayout) findViewById(R.id.myLayout);///222myLayout.setOnTouchListener(this);/////3333这三句话的顺序很重要}@Overridepublic boolean onTouch(View v, MotionEvent event) {// TODO Auto-generated method stubToast.makeText(MainActivity.this, "发生触摸", Toast.LENGTH_SHORT).show();return false;}}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/myLayout"////这里要加id    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context="${relativePackage}.${activityClass}" >    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/hello_world" /></RelativeLayout>

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