android遊戲開發三—–畫五子棋棋盤

 

FiveChessActivity代碼

 

 

package yy.chess;

import android.app.Activity;
import android.os.Bundle;
import android.view.Window;
import android.view.WindowManager;

public class FiveChessActivity extends Activity {
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
  requestWindowFeature(Window.FEATURE_NO_TITLE);
  setContentView(new MySurfaceView(this));
 }
}

 

 

MySurfaceView代碼

 

package yy.chess;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;

public class MySurfaceView extends SurfaceView implements Callback,Runnable {
 private SurfaceHolder sfh;
 private Paint paint;
 private Thread thread;
 private boolean flag;
 private Canvas canvas;
 private int screenW,screenH;
    public MySurfaceView(Context context)
    {
  super(context);
  sfh=this.getHolder();
  sfh.addCallback(this);
  paint=new Paint();
  paint.setColor(Color.BLACK);
  paint.setAntiAlias(true);
  setFocusable(true);
 }
    public void surfaceCreated(SurfaceHolder holder){
     screenW=this.getWidth();
     screenH=this.getHeight();
     flag=true;
     thread=new Thread(this);//這個this非常重要
     thread.start();
    }
    public void myDraw(){
     try{
      canvas=sfh.lockCanvas();
      if(canvas!=null){
       canvas.drawColor(Color.WHITE);
       paint.setColor(Color.BLACK);
       paint.setStyle(Style.STROKE);
       
       
       int tileW=screenW/10;
       int tileH=screenH/10;
       for(int i=0;i<10;i++){
        for(int j=0;j<10;j++){
         canvas.drawRect(i*tileW,j*tileH,(i+1)*tileW,(j+1)*tileH, paint);
        }
       }
       
      }
     }catch (Exception e) {}
     finally{
   if(canvas!=null){
    sfh.unlockCanvasAndPost(canvas);
   }
  }
    }
 @Override
 public boolean onTouchEvent(MotionEvent event){
  return true;
 }
 public boolean onKeyDown(int keyCode,KeyEvent event){
  return super.onKeyDown(keyCode, event);
 }
 public void logic(){}
 public void run() {
  while(flag){
   long start=System.currentTimeMillis();
   myDraw();
   logic();
   long end=System.currentTimeMillis();
   try{
    if(end-start<50){
     Thread.sleep(50-(end-start));
    }
   }catch (InterruptedException e) {
    e.printStackTrace();
   }
  }
  
 }
 @Override
 public void surfaceChanged(SurfaceHolder holder, int format, int width,
   int height) {
  // TODO Auto-generated method stub
  
 }
 
 @Override
 public void surfaceDestroyed(SurfaceHolder holder) {
  // TODO Auto-generated method stub
  flag=false;
 }
}