Android ANR Common Pitfalls

Basic Android App demoing main causes of ANR and how to utilize ApplicationExitInfo

Slides from droidconSF 2022 talk can be found here https://speakerdeck.com/yhartanto/anr-overview-at-uber-plus-leveraging-applicationexitinfo-api

To reproduce an ANR

1. Click on any button
2. Try to interact with screen - Back Button is a good one
3. Wait for ANR dialog to be shown.
4. ANR stacktraces will be shown on next app launch

Basic layout	ANR triggered

Deadlock demo - main held by tid=2	Deadlock demo - background thread held by tid=1