< Lỗi > sao cái surfaceview của em không chạy

[hiennhan12]

lúc gọi từ MainActivity bằng lệnh setContentView(gv); thì chạy bình thường mà khi chạy từ giao diện XML thì ra màn hình đen thui :-( !

code của nó đây :

package com.example.test;

import java.util.ArrayList;
import java.util.List;

import com.example.test.R;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.os.CountDownTimer;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;

@SuppressLint("WrongCall")
public class GameView extends SurfaceView {
       
	private Bitmap bmp;
	   private int kill = 10; 
       private SurfaceHolder holder;
       private int widthscreen;
   	   private int heightscreen;
   	   private Rect emberRect;
       private SurfaceView surfaceview;
       private GameLoopThread gameLoopThread;
       private List<Sprite> sprites = new ArrayList<Sprite>();
       private long lastClick;
	   private Bitmap bmpBlood,bmpBlood2;
	   private List<TempSprite> temps = new ArrayList<TempSprite>();
	   
       public GameView(Context context) {   	   
             super(context);
             gameLoopThread = new GameLoopThread(this);
             holder = getHolder();
             int width = 300;
             int height = 300;
            // android.widget.FrameLayout.LayoutParams params = new android.widget.FrameLayout.LayoutParams(width, height);
       //      surfaceview.setLayoutParams(params);
             holder.addCallback(new Callback() {
             	

            	 @Override
                    public void surfaceDestroyed(SurfaceHolder holder) {
                    }
 
                    @Override
                    public void surfaceCreated(SurfaceHolder holder) {
                    	 //android.widget.FrameLayout.LayoutParams params = new android.widget.FrameLayout.LayoutParams(320, 480);
                       //  gv.setLayoutParams(params);
                    	//getWindowToken().setLayout(200, 2);

                           createSprites();
                           if(gameLoopThread.getState()== Thread.State.TERMINATED){
                           gameLoopThread.setRunning(true);
                           gameLoopThread.start();
                           }
                           else
                           {
                        	   gameLoopThread.setRunning(true);
                               gameLoopThread.start();
                           }
                           new CountDownTimer(30000, 1000) {
           					@SuppressWarnings("deprecation")
							public void onTick(long millisUntilFinished) {
           						if(kill==0)
           							{
           							gameLoopThread.stop();
           							}

           					};
           					 public void onFinish() {  
           						 gameLoopThread.stop();       
           						 
           					 }
           				}.start(); 
                    }
                    
                    @Override
                    public void surfaceChanged(SurfaceHolder holder, int format,
                                  int width, int height) {
        		//		Log.i("TA", "surface change firstater is create");

                    	
                        
                    }
             });
             bmpBlood = BitmapFactory.decodeResource(getResources(), R.drawable.blood1);
             bmpBlood2 = BitmapFactory.decodeResource(getResources(), R.drawable.blood2);
       }

       private void createSprites() {
             sprites.add(createSprite(R.drawable.bad1,1));
             sprites.add(createSprite(R.drawable.bad2,1));
             sprites.add(createSprite(R.drawable.bad3,1));
             sprites.add(createSprite(R.drawable.bad4,1));
             sprites.add(createSprite(R.drawable.bad5,1));
             sprites.add(createSprite(R.drawable.bad6,1));
             sprites.add(createSprite(R.drawable.bad7,1));
             sprites.add(createSprite(R.drawable.bad8,1));
             sprites.add(createSprite(R.drawable.bad9,1));
             sprites.add(createSprite(R.drawable.bad9,1));
             sprites.add(createSprite(R.drawable.good1,0));
             sprites.add(createSprite(R.drawable.good2,0));
             sprites.add(createSprite(R.drawable.good3,0));
             sprites.add(createSprite(R.drawable.good4,0));
             sprites.add(createSprite(R.drawable.good5,0));
             sprites.add(createSprite(R.drawable.good6,0));
             sprites.add(createSprite(R.drawable.good7,0));
             sprites.add(createSprite(R.drawable.good8,0));
             sprites.add(createSprite(R.drawable.good10,0));
             sprites.add(createSprite(R.drawable.good11,0));
             sprites.add(createSprite(R.drawable.good11,0));
       }

       private Sprite createSprite(int resouce,int i) {
             Bitmap bmp = BitmapFactory.decodeResource(getResources(), resouce);
             return new Sprite(this, bmp, i);
       }

       @SuppressLint("WrongCall")
       protected void onDraw(Canvas canvas) {
             canvas.drawColor(Color.BLACK);
             for (int i = temps.size() - 1; i >= 0; i--) {
                 temps.get(i).onDraw(canvas);
           }
             for (Sprite sprite : sprites) {
                    sprite.onDraw(canvas);
             }
       }
       @Override
       public boolean onTouchEvent(MotionEvent event) {
             if (System.currentTimeMillis() - lastClick > 500) {
                    lastClick = System.currentTimeMillis();
                    synchronized (getHolder()) {
                    	float x = event.getX();
                    	float y = event.getY();
                        for (int i = sprites.size() - 1; i >= 0; i--) {
                            Sprite sprite = sprites.get(i);
                            if (sprite.isCollition(x, y)) {
                                  sprites.remove(sprite);     
                                  if(sprite.loai==1)
                                  {
								temps.add(new TempSprite(temps, this, x, y, bmpBlood));
								kill--;
                                  }
                                  else
                                	  temps.add(new TempSprite(temps, this, x, y, bmpBlood2));
                                  break;
                            }
                        }
                    }
             }
             return true;
       }
       public int getkill(){
    	   return(kill);
       }
       public GameView(Context context, AttributeSet attrs) {
    	    this(context, attrs,0);
    	    init(context);
    	}

    	public GameView(Context context, AttributeSet attrs, int defStyle) {
    	    super(context, attrs, defStyle);
    	    init(context);
    	}

    	private void init(Context context) {
    	    //do stuff that was in your original constructor...
    	}

}

code file XML :

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <com.example.test.GameView
        android:id="@+id/my_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</LinearLayout>

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[Chothue365]

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