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Android 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)
	 */
	@Override
	protected 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);
		
	}

	@Override
	public 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! 
	 * 
	 */
	@Override
	public boolean onTouch(View v, MotionEvent event) {
		// TODO Auto-generated method stub
		
		int 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()
	 * 
	 * */
	@Override
	public boolean onTouchEvent(MotionEvent event) {
		// TODO Auto-generated method stub
		
		float 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);
		
	}

}



Android 事件中 OnTouch 事件