+
+ if (backgroundTaskCountObserver == null) {
+ Log.d("acc", "creating background task count observer");
+ Data.backgroundTaskCount.addObserver(backgroundTaskCountObserver = new Observer() {
+ @Override
+ public void update(Observable o, Object arg) {
+ if (mActivity == null) return;
+ if (swiper == null) return;
+ mActivity.runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ int cnt = Data.backgroundTaskCount.get();
+ Log.d("acc", String.format("background task count changed to %d", cnt));
+ swiper.setRefreshing(cnt > 0);
+ }
+ });
+ }
+ });
+ }