一款经典的手机游戏（植物大战僵尸）的源码
package FreeIMUST.PvZ_Online.PvZ;
import FreeIMUST.PvZ_Online.PvZ.PvZ_OnlineActivity.MusicFactory;
import FreeIMUST.PvZ_Online.PvZ.PvZ_OnlineActivity.OtherFactory;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.os.Handler;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
public class AboutView extends SurfaceView
implements SurfaceHolder.Callback
{
Bitmap aboutImage_ = null;
PvZ_OnlineActivity activity_ = null;
RefreshThread refreshThread_ = null;
Paint paint_ = new Paint();
Handler handler_ = null;
ProcessView processView_ = null;
private MIDIPlayer menu_view_mMIDIPlayer = null;
public AboutView(PvZ_OnlineActivity activity)
{
super(activity);
activity_ = activity;
initBitmap();
getHolder().addCallback(this);
this.refreshThread_ = new RefreshThread(getHolder(), this);
if(this.activity_.hasBackgroundMusic())
{
menu_view_mMIDIPlayer = this.activity_.musicFactory_.getMusicPlayer(
MusicFactory.Background_MenuView);
menu_view_mMIDIPlayer.PlayMusic();
}
}
private void initBitmap()
{
aboutImage_ = activity_.otherFactory_.getImage(OtherFactory.Background_MainMenu_About);
}
protected void onDraw(Canvas canvas)
{
super.onDraw(canvas);
canvas.drawBitmap(this.aboutImage_, 0, 0, paint_);
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height)
{
}
public void surfaceCreated(SurfaceHolder holder)
{
this.refreshThread_.setFlag(true);
this.refreshThread_.start();
}
public void surfaceDestroyed(SurfaceHolder holder)
{
boolean retry = true;
refreshThread_.setFlag(false);
while (retry)
{
try
{
refreshThread_.join();
retry = false;
} catch (InterruptedException e)
{
}
}
}
public boolean onTouchEvent(MotionEvent event)
{
if (event.getAction() == MotionEvent.ACTION_DOWN)
{
if(this.activity_.hasBackgroundMusic())
this.menu_view_mMIDIPlayer.FreeMusic();
int x = (int) event.getX();
int y = (int) event.getY();
if (x >=0 && x <= 480 && y >= 140 && y <= 190)
activity_.myHandler_.sendEmptyMessage(PvZ_OnlineActivity.Message_MainMenu_VisitWeb);
activity_.myHandler_.sendEmptyMessage(PvZ_OnlineActivity.Message_MainMenu);
}
return super.onTouchEvent(event);
}
public boolean onKeyDown(int keyCode, KeyEvent event)
{
if (KeyEvent.KEYCODE_BACK == keyCode)
{
if(this.activity_.hasBackgroundMusic())
this.menu_view_mMIDIPlayer.FreeMusic();
activity_.myHandler_.sendEmptyMessage(PvZ_OnlineActivity.Message_MainMenu);
}
return super.onKeyDown(keyCode, event);
}
///////////////////////////////////////////////////////////////////////////////
class RefreshThread extends Thread
{
SurfaceHolder surfaceHolder_ = null;
AboutView aboutView_ = null;
boolean flag_ = false;
public RefreshThread(SurfaceHolder surfaceHolder, AboutView aboutView)
{
this.surfaceHolder_ = surfaceHolder;
this.aboutView_ = aboutView;
}
public void setFlag(boolean flag)
{
this.flag_ = flag;
}
public void run()
{
Canvas canvas;
while (this.flag_)
{
canvas = null;
try
{
// 锁定整个画布，在内存要求比较高的情况下，建议参数不要为null
canvas = this.surfaceHolder_.lockCanvas(null);
synchronized (this.surfaceHolder_)
{
aboutView_.onDraw(canvas);
}
}
finally
{
if (canvas != null)
this.surfaceHolder_.unlockCanvasAndPost(canvas);
}
}
}
} // RefreshThread
}
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