Activity类

public class Aircraft_Activity extends Activity
{
	GLGameView gameView;//主游戏场景
	static Handler handler;//消息接收器
	SoundPool soundPool;//声音池
	Vibrator mVibrator;//震动器
	public MediaPlayer bgMusic[]=new MediaPlayer[2];//游戏背景音乐播放器
	HashMap<Integer,Integer> soundMap;//存放声音池中的声音ID的Map
	SensorManager mySensorManager;//传感器的引用	
	private boolean isNoBack;//返回键屏蔽主要是在欢迎界面播放过程中,屏蔽返回键
	private int flag;//判断当前屏幕是否能够旋转的标志位
	public float[] directionDotXY;//用于记录传感器的数据.directionDotXY[0]表示左右旋转,
	public float lr_domain=4;//传感器左右旋转地阈值
	private SensorListener mySensorListener = new SensorListener()
	{
		@Override
		public void onAccuracyChanged(int sensor, int accuracy){}
		@Override
		public void onSensorChanged(int sensor, float[] values)
		{
			if(sensor == SensorManager.SENSOR_ORIENTATION)
			{	
				directionDotXY=RotateUtil.getDirectionDot
				(
					new double[]{values[0],values[1],values[2]}
				);
				if(directionDotXY[0]>lr_domain)
				{
					//左转
					keyState=keyState|0x4;
					keyState=keyState&0x7;
				}
				else if(directionDotXY[0]<-lr_domain)
				{
					//右转
					keyState=keyState|0x8; 
					keyState=keyState&0xB;
				}
				else
				{
					//相关数据复位
					keyState=keyState&0xB;
					keyState=keyState&0x7;
				}}}};
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);       
        flag =Settings.System.getInt(this.getContentResolver(), //判断当前是否能够旋转屏
        		Settings.System.ACCELEROMETER_ROTATION, 0);
        if(flag==0)//打开旋转屏
        {
        	Settings.System.putInt(this.getContentResolver(),Settings.System.ACCELEROMETER_ROTATION,1);
        }        
        mySensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);//传感器管理者    
        initScreen();//初始化屏幕
        initHandler();//消息接收器
        initSound();//初始化
        initDatebase();
        collisionShake();//初始化振动器
        goTo_StartVideo();
        
    }
    //消息接收器方法
    public void initHandler()
    {
    	handler=new Handler()
    	{
    		@Override
			public void handleMessage(Message msg)//重写方法 
    		{       	
    			switch(msg.what)
    			{
	        		case 1:
	    					isNoBack=false;//返回键可用
		        			gameView=new GLGameView(Aircraft_Activity.this);
		        			setContentView(gameView);
		        			bgMusic[0].start();//开启背景音乐
	        		break;
        		}}};}
    //初始化屏幕分辨率
    public void initScreen()
    {
    	requestWindowFeature(Window.FEATURE_NO_TITLE);//去掉通知栏
    	getWindow().setFlags//全屏显示    
    	(	
    		WindowManager.LayoutParams.FLAG_FULLSCREEN,
    		WindowManager.LayoutParams.FLAG_FULLSCREEN
    	);
    	this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
        DisplayMetrics dm=new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(dm);
        int tempHeight=(int) (SCREEN_HEIGHT=dm.heightPixels);
        int tempWidth=(int) (SCREEN_WIDTH=dm.widthPixels); 
        if(tempHeight<tempWidth) 
        {
        	SCREEN_HEIGHT=tempHeight;
        	SCREEN_WIDTH=tempWidth;
        }
        else
        {
        	SCREEN_HEIGHT=tempWidth;
        	SCREEN_WIDTH=tempHeight;
        }
        ratio_width=SCREEN_WIDTH/800;
        ratio_height=SCREEN_HEIGHT/480;
    }
    public void initDatebase()
    {    	
        String sql="create table if not exists plane(map char(2),grade char(4),time char(4),date char(10));";
        SQLiteUtil.createTable(sql);//建表SQL语句
    } 
    public void goTo_StartVideo(){ //游戏开始首先播放视频
    	isNoBack=true;//返回键不可用
    	setContentView(R.layout.start_video);
    	final MyVideoView myVideoView=(MyVideoView)findViewById(R.id.start_video_videoview);
    	myVideoView.setVideoURI(Uri.parse("android.resource://com.bn.menu/" + R.raw.logo));
    	myVideoView.start(); 
    	myVideoView.setOnCompletionListener(new OnCompletionListener(){
			@Override
			public void onCompletion(MediaPlayer mp){				
				if(getGLVersion()<2){//这里进行opengles测试
					//弹出对话框,说明不支持该游戏
					showDialog(0);		
				}else if(Build.VERSION.SDK_INT<Build.VERSION_CODES.FROYO){
					showDialog(1);
				 }else
				handler.sendEmptyMessage(1);//进入主菜单界面
			}});
    	}
   
    public int getGLVersion()//获取OPENGLES所支持的最高版本    
    { 
        ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
        ConfigurationInfo info = am.getDeviceConfigurationInfo();
        int majorVersion=info.reqGlEsVersion;
        majorVersion=majorVersion>>>16;
        return majorVersion;
    }  
    public void collisionShake()//手机震动
    {  
    		mVibrator=(Vibrator)getApplication().getSystemService
            (Service.VIBRATOR_SERVICE);	
    }   
    public void shake()//震动
    { 
    	if(0==isVibrateOn)//开启震动    
    	{	
    		mVibrator.vibrate( new long[]{0,30},-1);
    	}
    }    
    public void initSound()//加载声音资源
    {
    	bgMusic[0]=MediaPlayer.create(this,R.raw.menubg_music); 
    	bgMusic[0].setLooping(true);//是否循环
    	bgMusic[0].setVolume(0.3f, 0.3f);//声音大小
    	bgMusic[1]=MediaPlayer.create(this,R.raw.gamebg_music);
    	bgMusic[1].setLooping(true);//是否循环
    	bgMusic[1].setVolume(0.5f, 0.5f);//声音大小    	
		soundPool=new SoundPool(4,AudioManager.STREAM_MUSIC,100);//创建声音池
		soundMap=new HashMap<Integer,Integer>();//创建map
		soundMap.put(0, soundPool.load(this, R.raw.explode,1));//飞机撞山或者死亡的声音
		soundMap.put(1, soundPool.load(this, R.raw.awp_fire,1));//坦克和高射炮被击毙爆炸
		soundMap.put(2, soundPool.load(this, R.raw.r700_fire,1));//爆炸
		soundMap.put(3, soundPool.load(this, R.raw.bullet,1));//飞机发射子弹声音
		soundMap.put(4, soundPool.load(this, R.raw.missile,1));//发射子弹声音
		soundMap.put(5, soundPool.load(this, R.raw.m16_fire,1));//发射子弹声音		
		soundMap.put(6, soundPool.load(this, R.raw.rpg7_fire,1));//发射子弹声音
		soundMap.put(7, soundPool.load(this, R.raw.w1200_fire,1));//坦克发射子弹声音
		soundMap.put(8, soundPool.load(this, R.raw.ground,1));//坦克发射子弹声音
		soundMap.put(9, soundPool.load(this, R.raw.rotation,1));//
	}
    //播放声音的方法
	public void playSound(int sound,int loop)
	{
		if(0!=isSoundOn)
		{
			return;
		}
		AudioManager mgr = (AudioManager)this.getSystemService(Context.AUDIO_SERVICE);   
	    float streamVolumeCurrent = mgr.getStreamVolume(AudioManager.STREAM_MUSIC);   
	    float streamVolumeMax = mgr.getStreamMaxVolume(AudioManager.STREAM_MUSIC);       
	    float volume = streamVolumeCurrent / streamVolumeMax;   
	    soundPool.play
	    (
	    	soundMap.get(sound), //声音资源id
    		volume, 				 //左声道音量
    		volume, 				 //右声道音量
    		1, 						 //优先级				 
    		loop, 					 //循环次数 -1带表永远循环
    		0.5f					 //回放速度0.5f～2.0f之间
	    );
	}
	@Override
    public Dialog onCreateDialog(int id)
	{
    	Dialog dialog=null;
    	switch(id)
    	{
    	  case 0://生成普通对话框的代码
    		  String msg="该设备所支持的opengles版本过低,不支持此游戏!!!";
    		  Builder b=new AlertDialog.Builder(this);  
    		  b.setIcon(R.drawable.icon);//设置图标
    		  b.setTitle("不好意思...");//设置标题
    		  b.setMessage(msg);//设置信息
    		  b.setPositiveButton(//为对话框设置按钮    		  
    				"退出" ,
    				new DialogInterface.OnClickListener()
    				{
						@Override
						public void onClick(DialogInterface dialog, int which)
						{
							System.exit(0);
						}});
    		  dialog=b.create();
    	  break;
    	  case 1://生成普通对话框的代码
    		  String msgt="该设备当前Android版本是低于2.2,不支持此游戏!!!";
    		  Builder bb=new AlertDialog.Builder(this);  
    		  bb.setIcon(R.drawable.icon);//设置图标
    		  bb.setTitle("不好意思...");//设置标题
    		  bb.setMessage(msgt);//设置信息
    		  bb.setPositiveButton(//为对话框设置按钮    		  
    				"退出" ,
    				new DialogInterface.OnClickListener()
    				{
						@Override
						public void onClick(DialogInterface dialog, int which)
						{ 						
							System.exit(0);
						}});
    		  dialog=bb.create();
    	  break;
    	}
    	return dialog;
    }
    @Override
	protected void onResume()
    {						
		super.onResume();		
		mySensorManager.registerListener(//注册监听 方法			
			mySensorListener, 					
			SensorManager.SENSOR_ORIENTATION,	
			SensorManager.SENSOR_DELAY_UI		
		);
    }
	@Override
	protected void onPause()
	{								
		super.onPause();
		mySensorManager.unregisterListener(mySensorListener);	//取消注册监听器
	}	
	public void exitRelease()//退出时需要执行的方法
	{
		if(flag==0)//关掉旋转屏
		{		
			Settings.System.putInt(this.getContentResolver(),Settings.System.ACCELEROMETER_ROTATION,0);
		}
		System.exit(0);
	}   
    @Override
	public boolean onKeyDown(int keyCode, KeyEvent e)//设置屏幕监听     
    { 	
    	if(keyCode==KeyEvent.KEYCODE_VOLUME_DOWN||keyCode==KeyEvent.KEYCODE_VOLUME_UP)//控制音量键只能控制媒体音量的大小
    	{
	      setVolumeControlStream(AudioManager.STREAM_MUSIC);
	      return super.onKeyDown(keyCode, e);
    	}
    	if(keyCode==4)
    	{
    		if(isNoBack)//返回键屏蔽    	
    		{	
    			return true;
    		}
    		if(!gameView.isGameOn)
    		{
        		return gameView.onKeyBackEvent();
        	}
    		else //游戏开始了
    		{
    			if(!isCrash&&!isOvercome)
    			{
    				if(!isVideo)
    				{
    					is_button_return=!is_button_return;//按下返回按钮    	
    					if(bgMusic[1].isPlaying())
        				{
        					bgMusic[1].pause();
        				}
        				else if(!bgMusic[1].isPlaying()&&isMusicOn==0)
        				{
        					bgMusic[1].start();
        				}
    				}
    				else
    				{
    					gameView.isTrueButtonAction=true;
    					GLGameView.isVideoPlaying=!GLGameView.isVideoPlaying;
    					if(bgMusic[1].isPlaying())
        				{
        					bgMusic[1].pause();
        				}
        				else if(!bgMusic[1].isPlaying()&&isMusicOn==0)
        				{
        					bgMusic[1].start();
        				}
    				}
    			}
    			return true;
    		}
    	}	
    	return true;
    }}