android onKeydown

package wyf.ytl;

import android.app.Activity;

import android.content.Context;

import android.os.Bundle;

import android.util.Log;

import android.view.KeyEvent;

import android.widget.Button;

public class Sample_7_1 extends Activity {

        public final String TAG = "Sample_7_1";

        MyButton myButton;

    public void onCreate(Bundle savedInstanceState)

    {

        super.onCreate(savedInstanceState);

        myButton = new MyButton(this);

        myButton.setText("全屏按钮");

        myButton.setTextSize();

        setContentView(myButton);

    }

    public boolean onKeyDown(int keyCode, KeyEvent event)

    { //重写的键盘按下监听

        Log.d(TAG, "activity onKeyDown");

        return super.onKeyDown(keyCode, event);

    }

    class MyButton extends Button

    {

        public MyButton(Context context)

        {

            super(context);

        }

        public boolean onKeyDown(int keyCode, KeyEvent event)

        {//重写的键盘按下监听

            Log.d(TAG, "MyView onKeyDown");

            //打印日志

            return true;  //return false;

        }

    }

    }