error: package androidx.core.app does not exist when running flutter blue plugin

Question

I'm working on Flutter and use Flutter blue plugin. Everything ran well at the beginning but suddenly the program can't perform build because of flutter blue plugin version.

    dependencies:
      vector_math: any
      path_provider: ^1.3.0
      flutter:
        sdk: flutter
      flutter_map:
      flutter_blue: ^0.6.3+1
      cupertino_icons: ^0.1.2

this is the error message

    C:\flutter\.pub-cache\hosted\pub.dartlang.org\flutter_blue-0.6.3+1\android\
    src\main\java\com\pauldemarco\flutter_blue\FlutterBluePlugin.java:43:
    error: package androidx.core.app does not exist import androidx.core.app.ActivityCompat;
    ^
    error: package androidx.core.content does not exist
    import androidx.core.content.ContextCompat;

Answer 1

The fullter_blue version 0.6.3+1 has these types of compatibility issues. I prefer you to use the flutter_blue 0.6.2 version as it is most stable and working correctly as per my own experience.

dependencies:
...
flutter_blue: 0.6.2

Answer 2

Unfortunately it seems like the author (@pauldemarco) is not maintaining and releasing the flutter_blue plugin. See this issue

• https://github.com/pauldemarco/flutter_blue/issues/510

It also seems like several people have moved to use a fork on github (maintained by @boskokg)

• https://github.com/boskokg/flutter_blue

I have not tried the fork myself (yet).