Android(安卓)捕获组合键

android中捕获组合键
http://blog.csdn.net/wenlibin1985/article/details/5579359
Android组合键
http://www.eoeandroid.com/thread-162824-1-1.html
Sample Code:
//Android监听组合键package com.fuwei.action;import android.app.Activity;import android.os.Bundle;import android.view.KeyEvent;import android.view.View;import android.view.View.OnClickListener;import android.widget.TextView;import android.widget.Toast;public class Main extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.main);       onClickView();    }    @Override    protected void onRestart() {       // TODO Auto-generated method stub       Toast.makeText(this, "Home", 1);       super.onRestart();    }    public void onClickView() {       TextView textView = (TextView) findViewById(R.id.linear);       textView.setOnClickListener(new OnClickListener() {        @Override        public void onClick(View v) {         v.setBackgroundColor(0xFF00FF00);        }       });    }    // @Override    // public boolean onKeyDown(int keyCode, KeyEvent event) {    // // TODO Auto-generated method stub    // if(!event.isAltPressed()&&keyCode == KeyEvent.KEYCODE_A){    // Toast.makeText(Main.this, "ALT + A", 0).show();    // }    // return super.onKeyDown(keyCode, event);    // }    // @Override    // public boolean dispatchKeyEvent(KeyEvent event) {    // // TODO Auto-generated method stub    // //Alt Shift System 等键可以用is....判断是否为按下状态    // if(event.isAltPressed()&&event.getKeyCode() == KeyEvent.KEYCODE_A){    // Toast.makeText(Main.this, "ALT + A", 0).show();    // }    // return super.dispatchKeyEvent(event);    // }    boolean aIsDown = false;    boolean qIsDown = false;    @Override    public boolean dispatchKeyEvent(KeyEvent event) {       // TODO Auto-generated method stub       // 判断普通按键       int keyCode = event.getKeyCode();       if (keyCode == KeyEvent.KEYCODE_A         && event.getAction() == KeyEvent.ACTION_DOWN) {        aIsDown = true;       } else if (keyCode == KeyEvent.KEYCODE_Q         && event.getAction() == KeyEvent.ACTION_DOWN) {        qIsDown = true;       }else if((keyCode == KeyEvent.KEYCODE_Q && !aIsDown)||(keyCode == KeyEvent.KEYCODE_A && !qIsDown)){        aIsDown = false;        qIsDown = false;       }else if (aIsDown         && qIsDown         && (keyCode == KeyEvent.KEYCODE_Q || keyCode == KeyEvent.KEYCODE_A)         && event.getAction() == KeyEvent.ACTION_UP) {        Toast.makeText(Main.this, "Q + A", 0).show();        aIsDown = false;        qIsDown = false;       }else{        aIsDown = false;        qIsDown = false;       }       return super.dispatchKeyEvent(event);    }}
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