控件事件

package com.basic;

import com.dhm.R;

import android.app.Activity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class D_01 extends Activity{
private Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.d_01);
    button = (Button)findViewById(R.id.D_01_button);
button.setOnClickListener(new View.OnClickListener() {
    
    public void onClick(View v) {
        // TODO Auto-generated method stub
        Toastsow("按下了按钮键");
    }
});
}
@Override
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        // TODO Auto-generated method stub
    switch (keyCode) {
    case KeyEvent.KEYCODE_DPAD_UP:
        Toastsow("按下：上键");
        break;
    default:
        break;
    }
        return super.onKeyUp(keyCode, event);
    }
public  void Toastsow(String str){
     Toast.makeText(this, str,Toast.LENGTH_SHORT).show();
}
@Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        // TODO Auto-generated method stub
    switch (keyCode) {
    case KeyEvent.KEYCODE_DPAD_UP:
        Toastsow("弹起：上键");
        break;
    default:
        break;
    }
        return super.onKeyDown(keyCode, event);
    }
@Override
    public boolean onTouchEvent(MotionEvent event) {

        // TODO Auto-generated method stub

int iAction = event.getAction();
        if (iAction == MotionEvent.ACTION_CANCEL ||
            iAction == MotionEvent.ACTION_DOWN ||
            iAction == MotionEvent.ACTION_MOVE)
        {

//ACTION_DOWN: 表示用户开始触摸.

//ACTION_MOVE: 表示用户在移动(手指或者其他)

//ACTION_UP:表示用户抬起了手指

            return false;
        }
    int x = (int)event.getX();
    int y =(int)event.getY();
    Toastsow("触摸了什么位置"+Integer.toString(x)+"位置"+Integer.toString(y));
        return super.onTouchEvent(event);
    }
}