code: public void setTransform(
        Matrix newTransform,
        long durationMs,
        @Nullable Runnable onAnimationComplete) {
      FLog.v(getLogTag(), "setTransform: duration %d ms", durationMs);
      if (durationMs <= 0) {
        setTransformImmediate(newTransform);
      } else {
        setTransformAnimated(newTransform, durationMs, onAnimationComplete);
      }
    }
docs: Sets a new zoomable transformation and animates to it if desired.
  
  <p>If this method is called while an animation or gesture is already in progress,
  the current animation or gesture will be stopped first.
  
  @param newTransform new transform to make active
  @param durationMs duration of the animation, or 0 to not animate
  @param onAnimationComplete code to run when the animation completes. Ignored if durationMs=0