BT TRansfert objet problem

[Lecherbault]

I have bought and installed the BT TRANSFERT OBJET to use the Bluetooth technology in a program, but i can not compile my project. This is the error:

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Starting a Gradle Daemon, 1 incompatible and 1 stopped Daemons could not be reused, use --status for details

> Configure project :app
WARNING: The option setting 'android.overridePathCheck=true' is experimental and unsupported.
The current default is 'false'.


> Task :app:preBuild UP-TO-DATE
> Task :app:preDebugBuild
> Task :app:compileDebugAidl NO-SOURCE
> Task :app:compileDebugRenderscript
> Task :app:checkDebugManifest
> Task :app:generateDebugBuildConfig
> Task :app:prepareLintJar
> Task :app:generateDebugSources
> Task :app:javaPreCompileDebug
> Task :app:mainApkListPersistenceDebug
> Task :app:generateDebugResValues
> Task :app:generateDebugResources
> Task :app:mergeDebugResources
> Task :app:createDebugCompatibleScreenManifests
> Task :app:processDebugManifest
> Task :app:processDebugResources FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:processDebugResources'.
> Android resource linking failed
C:\Users\al\.gradle\caches\transforms-2\files-2.1\f8165e214f5be46b1fe3996b051f339b\res\values-v26\values-v26.xml:9:5-12:13: AAPT: error: resource android:attr/colorError not found.

C:\Users\al\.gradle\caches\transforms-2\files-2.1\f8165e214f5be46b1fe3996b051f339b\res\values-v26\values-v26.xml:13:5-16:13: AAPT: error: resource android:attr/colorError not found.

C:\Users\al\.gradle\caches\transforms-2\files-2.1\f8165e214f5be46b1fe3996b051f339b\res\values-v26\values-v26.xml:17:5-93: AAPT: error: style attribute 'android:attr/keyboardNavigationCluster' not found.

C:\Users\al\.gradle\caches\transforms-2\files-2.1\f8165e214f5be46b1fe3996b051f339b\res\values\va lues.xml:147:5-152:84: AAPT: error: resource android:attr/fontStyle not found.

C:\Users\al\.gradle\caches\transforms-2\files-2.1\f8165e214f5be46b1fe3996b051f339b\res\values\va lues.xml:147:5-152:84: AAPT: error: resource android:attr/font not found.

C:\Users\al\.gradle\caches\transforms-2\files-2.1\f8165e214f5be46b1fe3996b051f339b\res\values\va lues.xml:147:5-152:84: AAPT: error: resource android:attr/fontWeight not found.

error: failed linking references.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/5.4.1/usergu..._line_warnings

BUILD FAILED in 31s
12 actionable tasks: 12 executed

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Please help me. I need this extension
Thanks

[Fernando]

Which api are you suing to build?

less than 26?

[Lecherbault]

Which api are you suing to build?

less than 26?

Hi Fernando
Indeed, it was a bad choice of API, left by the example. With API 28, everything is ok.
Thank you Fernando.

[Lecherbault]

Hi Fernando

With the example program "Chat" given with Bluetooth extension, the list of already paired devices appears good, but nothing for the new ones ...
And yet I have 2 other phones with bluetooth activated less than a meter from the one who launched the program.
I can't list the other 2.
What is going on?

Thanks
Alain

[Fernando]

Sorry need to see a small mfa to see the flow of actions/condition/expression you are using regarding this.

If you are adding new devices while the application is in background, do you read the paired devices when the application re-gain focus?