bluetooth works but app slow and crashes

.gitignore

.idea/.gitignore

.idea/compiler.xml

.idea/deploymentTargetSelector.xml

.idea/gradle.xml

.idea/kotlinc.xml

.idea/migrations.xml

.idea/misc.xml

.idea/runConfigurations.xml

.idea/vcs.xml

app/.gitignore

app/build.gradle.kts

app/proguard-rules.pro

...oidTest/java/com/kedda/imdying/ExampleInstrumentedTest.kt

app/src/main/AndroidManifest.xml

app/src/main/ic_launcher-playstore.png

app/src/main/java/com/kedda/imdying/BluetoothManager.kt

app/src/main/java/com/kedda/imdying/ControlAvtivity.kt

app/src/main/java/com/kedda/imdying/MainActivity.kt

app/src/main/java/com/kedda/imdying/VoiceControlActivity.kt