wootzor

gistfile1.java

package com.conbere.anders.escape;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.view.SurfaceView;
import android.view.SurfaceHolder;

public class EscapeView extends SurfaceView implements SurfaceHolder.Callback {
  class EscapeThread extends Thread {
    public SurfaceHolder surfaceHolder;
    public Context context;
    private boolean running;

    public EscapeThread(SurfaceHolder holder, Context cont) {
      this.surfaceHolder = holder;
      this.context = cont;
      this.running = false;
    }

    public void setRunning(boolean b) {
      this.running = b;
    }

    private void doDraw(Canvas canvas) {
//      Paint paint = new Paint();
//      paint.setAntiAlias(true);
//      paint.setARGB(255, 0, 255, 0);
//
//      RectF rect = new RectF(100, 100, 100, 100);
//
//      canvas.drawRect(rect, paint);
    }

    @Override
    public void run() {
      while (running) {
        Canvas c = null;
        try {
          c = surfaceHolder.lockCanvas(null);
          synchronized (surfaceHolder) {
            doDraw(c);
          }
        } finally {
          if (c != null) {
            surfaceHolder.unlockCanvasAndPost(c);
          }
        }
      }
    }
  }

  private Thread thread;
  public Context context;

  public EscapeView(Context context, AttributeSet attrs) {
    super(context, attrs);
    this.context = context;
    SurfaceHolder holder = getHolder();
    holder.addCallback(this);
    this.thread = new EscapeThread(holder, context);
  }

  @Override
  public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
  }

  @Override
  public void surfaceCreated(SurfaceHolder holder) {
    this.thread.setRunning(true);
    this.thread.run();
  }

  @Override
  public void surfaceDestroyed(SurfaceHolder holder) {
    // we have to tell thread to shut down & wait for it to finish, or else
    // it might touch the Surface after we return and explode
    boolean retry = true;
    this.thread.setRunning(false);
    while (retry) {
      try {
        this.thread.join();
        retry = false;
      } catch (InterruptedException e) {
      }
    }
  }
}