Type: bug
Ionic Version: 2.x
Platform: android 5.1 webview
It used to work just fine until few weeks ago. I didn't do any upgrade on my part, probably only Chrome was updated on the device.
Now, for most of the time the spinner is stuck like following:

However, when screen is mirrored to chrome dev tools via remote inspect then it works there.
Chrome version on device: 49.0.2623.105