Android Open Source - DroidRunJump Droid Run Jump View

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License

The source code is released under:

"Droid-Run-Jump" Copyright (c) 2011 Donald E. Llopis <machinezilla@gmail.com> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentati...

Java Source Code

package com.android.sofla.drj;
/*from  www.  j  av a2 s.c  om*/
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Canvas;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;

public class DroidRunJumpView extends SurfaceView implements SurfaceHolder.Callback {

  //
  // game thread
  //
  class DroidRunJumpThread extends Thread {
    
    private SurfaceHolder surfaceHolder;
    boolean run;
    Game game;
    
    public DroidRunJumpThread(SurfaceHolder surfaceHolder, Context context, Game game) {
      run = false;
      this.surfaceHolder = surfaceHolder;
      this.game = game;
    }
    
    public void setSurfaceSize(int width, int height) {
      synchronized (surfaceHolder) {
        game.setScreenSize(width, height);
      }
    }
    
    public void setRunning(boolean b) {
      run = b;
    }
    
    @Override
    public void run() {
      
      //
      // game loop
      //
      
      while (run) {
        Canvas c = null;        
        try {
          c = surfaceHolder.lockCanvas(null);
          synchronized (surfaceHolder) {
            game.run(c);
          }
        } finally {
          if (c != null) {
            surfaceHolder.unlockCanvasAndPost(c);
          }
        }
      }
    }
    
        
    boolean doTouchEvent(MotionEvent event) {
      boolean handled = false;

      synchronized (surfaceHolder) {
        switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
          game.doTouch();
          handled = true;
          break;
        }
      }
      
      return handled;      
    }
    
    //
    // workshop2
    //
    
    public void pause() {
      synchronized (surfaceHolder) {        
        game.pause();
        run = false;
      }
    }
    
    public void resetGame() {
      synchronized (surfaceHolder) {
        game.resetGame();
      }
    }
    
    public void restoreGame(SharedPreferences savedInstanceState) {
      synchronized (surfaceHolder) {
        game.restore(savedInstanceState);
      }
    }

    public void saveGame(SharedPreferences.Editor editor) {
      synchronized (surfaceHolder) {
        game.save(editor);
      }
    }
    
    // -- END workshop 2
  }
  
  //
  // game view
  //
  private DroidRunJumpThread thread;
  
  //
  // workshop 2
  //
  
  private Context context;
  private Game game;
  private SurfaceHolder holder;
  
  // -- END workshop 2
  
  public DroidRunJumpView(Context context, AttributeSet attrs) {    
    super(context, attrs);
    
    holder = getHolder();
    holder.addCallback(this);
    
    //
    // workshop2 
    //
    
    this.context = context;
    game = new Game(context);      
    
    thread = null;
    
    // -- END workshop 2
    
    setFocusable(true);    
  }

  public void surfaceChanged(SurfaceHolder holder, int format, int width,
      int height) {
    thread.setSurfaceSize(width, height);
  }
  
  public void surfaceCreated(SurfaceHolder holder) {
    thread.setRunning(true);
    thread.start();
  }
  
  public void surfaceDestroyed(SurfaceHolder holder) {
    boolean retry = true;
    thread.setRunning(false);
    while (retry) {
      try {
        thread.join();
        retry = false;
      } catch (InterruptedException e) {
      }
    }

    //
    // workshop2 
    //
    
    thread = null;
    
    // -- END workshop 2
  }
  
  public boolean onTouchEvent(MotionEvent event) {
    return thread.doTouchEvent(event);
  }
  
  //
  // workshop2 code
  //
  
  public DroidRunJumpThread getThread() {
    if (thread == null) {
      thread = new DroidRunJumpThread(holder, context, game);
    }
    return thread;
  }
  
  // -- END workshop 2
}

Java Source Code List

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