/android/app/src/debug/AndroidManifest.xml Error: uses-sdk:minSdkVersion 16 cannot be smaller than version 18 declared in library [:bluetooth_print] about bluetooth_print

[thon-ju]

@zemunkh you are right, 'minSdkVersion 16' is ok.i have fixed.Thanks。
although 'minSdkVersion 16' can work，but suggest use 'minSdkVersion 18' ,because the
method ’BluetoothDevice.getType‘

[thon-ju]

@zemunkh
Thank you for you test. It's fine on my mac.
Could you show me your flutter doctor? I think it's because you didn't have that android sdk(Android SDK version 28)

Mine is:

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, v1.9.1+hotfix.6, on Mac OS X 10.15.1 19B88, locale en-CN)
 
[!] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
    ! Some Android licenses not accepted.  To resolve this, run: flutter doctor --android-licenses
[✓] Xcode - develop for iOS and macOS (Xcode 11.2.1)
[!] Android Studio
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
    ✗ Android Studio not found at /Applications/Contents
[✓] IntelliJ IDEA Ultimate Edition (version 2019.3)
[✓] Connected device (1 available)

[zemunkh]

@thon-ju Hello, My Sdk is not 28. It is 29.
[✓] Flutter (Channel stable, v1.9.1+hotfix.6, on Mac OS X 10.15.1 19B88, locale en-MN)

[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
    • Android SDK at /Users/zemunkh/Library/Android/sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-29, build-tools 29.0.2
    • Java binary at: /Applications/Android
      Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)
    • All Android licenses accepted.

[thon-ju]

@zemunkh ok, let me try