// INDIRECT repaint method (using a separate thread
public void repaint() {
if (drawThread == null || !drawThread.isRunning()) {
// gargabe collect
System.gc();
// post a task to the UI thread
this.post(
new Runnable() {
@Override
public void run() {
// create a new drawThread
drawThread =
new DrawThread(
getHolder(),
getContext(),
new Handler() {
@Override
public void handleMessage(Message m) {}
});
// call the setter for the pointer to the model
if (drawable != null) {
drawable.setWidth(getWidth());
drawable.setHeight(getHeight());
// draw the widget
drawThread.setDrawable(drawable);
}
// start the thread
drawThread.start();
}
});
}
}
@Override
public void surfaceDestroyed(SurfaceHolder arg0) {
// stop the drawThread properly
boolean retry = true;
while (retry) {
try {
// wait for it to finish
if (drawThread != null && drawThread.isRunning()) drawThread.join();
retry = false;
} catch (InterruptedException e) {
// ignore any error
e.printStackTrace();
}
}
// set it to null, so that a new one can be created in case of a resume
drawThread = null;
}