Android(安卓)事件中 OnTouch 事件

Android 事件中 OnTouch 事件：

实现的方式：

1 监听

2 回调

1 监听：

package com.example.conflicttest;import android.os.Bundle;import android.app.Activity;import android.util.Log;import android.view.Menu;import android.view.MotionEvent;import android.view.View;import android.view.View.OnTouchListener;import android.widget.ImageView;import android.widget.LinearLayout;public class MainActivity extends Activity implements OnTouchListener {private LinearLayout subLayout;private ImageView imgView;/* (non-Javadoc) * @see android.app.Activity#onCreate(android.os.Bundle) */@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);subLayout = (LinearLayout) findViewById(R.id.subLayout);imgView = (ImageView) findViewById(R.id.imgView);//subLayout.setOnTouchListener(this);/** * 事件监听  第一种方案： 设置监听！ * */imgView.setOnTouchListener(this);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}/** * return  false 事件 返回调用，传递给 父类！  *  */@Overridepublic boolean onTouch(View v, MotionEvent event) {// TODO Auto-generated method stubint action = event.getAction();float rawX = event.getRawX();float rawY = event.getRawY();float x = event.getX();float y = event.getY();Log.d("lvoe", "----on touch:" + v + " raw[" + rawX + "," + rawY + "],xy[" + x+ "," + y + "]");return true;}}

2 回调“：

package com.example.conflicttest;import android.content.Context;import android.util.AttributeSet;import android.util.Log;import android.view.MotionEvent;import android.widget.LinearLayout;/** * @author hades *  * */public class CustomLinerLayout extends LinearLayout {public CustomLinerLayout(Context context) {super(context);// TODO Auto-generated constructor stub}public CustomLinerLayout(Context context, AttributeSet attrs) {super(context, attrs);// TODO Auto-generated constructor stub}public CustomLinerLayout(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);// TODO Auto-generated constructor stub}/** *  * 第二中实现方式： *  * 自定义 视图类： *  *   处理 触摸事件，可以使用 onTouch（） *  * */@Overridepublic boolean onTouchEvent(MotionEvent event) {// TODO Auto-generated method stubfloat rawX = event.getRawX();float rawY = event.getRawY();float x = event.getX();float y = event.getY();Log.d("lvoe", "----on touch:" + " raw x y = [" + rawX + "," + rawY + "],x,y=[" + x+ "," + y + "]");return super.onTouchEvent(event);}}

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