local_auth_bug

A minimal complete reproducible code sample for flutter/flutter#64996

Description

I am using local_auth to sign in with fingerprint and encounter some problem with Android. When I run in debug mode, it works fine. However, if I build it in app-bundle/apk in release mode --release, the app crashing before the popup to ask for fingerprint.

Step to reproduce

Try to flutter build apk and flutter install on an Android device, you'll encounter the crash after the apps loaded.

Issue

Update android gradle plugin.

• When I opened this project in Android studio, I saw this Plugin Update Recommended popup.

• After I updated the plugin, this is the changes; (android/build.gradle).

• Encounter the issue.

Workaround for this issue

Change back to classpath 'com.android.tools.build:gradle:3.5.0' in android/build.gradle . Do not update the plugin.