How to use

org.pushingpixels.trident.TimelineEngine$TimelineCallbackThread

constructor

/**
 * Returns an instance of the callback thread.
 * 
 * @return The animator thread.
 */
private TimelineCallbackThread getCallbackThread() {
  if (this.callbackThread == null) {
    this.callbackThread = new TimelineCallbackThread();
    this.callbackThread.start();
  }
  return this.callbackThread;
}

/**
 * Returns an instance of the callback thread.
 * 
 * @return The animator thread.
 */
private TimelineCallbackThread getCallbackThread() {
  if (this.callbackThread == null) {
    this.callbackThread = new TimelineCallbackThread();
    this.callbackThread.start();
  }
  return this.callbackThread;
}

/**
 * Returns an instance of the callback thread.
 * 
 * @return The animator thread.
 */
private TimelineCallbackThread getCallbackThread() {
  synchronized (threadSemaphore) {
    if (this.callbackThread == null) {
      this.callbackThread = new TimelineCallbackThread();
      this.callbackThread.start();
    }
    return this.callbackThread;
  }
}