When I start scanning for bluetooth devices using BluetoothLeScannerCompat, the scan immedietly stops with error code 2 SCAN_FAILED_APPLICATION_REGISTRATION_FAILED. This does not happen when using a Samsung phone, tablet (S22, S23, A9) or Oneplus phones. The scan is only started once, so i dont think it is an abundance of scans that is the issue, but i could be wrong.
Code for starting the scan:
BluetoothLeScannerCompat scanner = getScanner();
try {
if(scanner==null){
return false;
}
Log.e(TAG,"start scanner now!");
scanner.startScan(null,ScanSettings,ScanCallback);
ScannerStatus=ScanStatus.NO_ERROR;
ScannerListeners.ScanStatus(ScanStatus.NO_ERROR,-1);
result=future.get(30, TimeUnit.SECONDS);
}
catch (Exception e){
e.printStackTrace();
}
finally {
Log.e(TAG,"finally stop scanner now!");
if(scanner!=null)
scanner.stopScan(ScanCallback);
ScanLock.unlock();
}
return result;
}Permissions asked for during runtime:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
String[] perms = { BLUETOOTH_CONNECT, BLUETOOTH_SCAN};
EasyPermissions.requestPermissions(activity, context.getString(R.string.LocationPermission), 158, perms);
}
else{
String[] perms = {Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.BLUETOOTH, Manifest.permission.BLUETOOTH_ADMIN};
EasyPermissions.requestPermissions(activity, context.getString(R.string.LocationPermission), 158, perms);
} <uses-permission android:name="android.permission.BLUETOOTH"
android:maxSdkVersion="30" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"
android:maxSdkVersion="30" />
<uses-permission android:name="android.permission.BLUETOOTH_SCAN" android:usesPermissionFlags="neverForLocation"
tools:targetApi="s" />
<uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
<uses-feature android:name="android.hardware.bluetooth" android:required="true"/>
<uses-feature android:name="android.hardware.bluetooth_le" android:required="true"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"
android:maxSdkVersion="30" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"
android:maxSdkVersion="30" />I have tried to use ACCESS_FINE_LOCATION with BLUETOOTH_SCAN while removing android:usesPermissionFlags="neverForLocation", but it does not resolve the issue.
Logcat log:
11:32:23.212 BleScanner com....oxygentherapy E Top start scan
11:32:23.212 BleScanner com....oxygentherapy E Is Scan lock locked?:false
11:32:23.213 BleScanner com....oxygentherapy E start scanner now!
11:32:23.215 BluetoothAdapter com....oxygentherapy D isLeEnabled(): ON
11:32:23.218 BluetoothLeScanner com....oxygentherapy D onScannerRegistered() - status=128 scannerId=0 mScannerId=0
11:32:23.219 ScannerListener com....oxygentherapy E Scan status:NO_ERROR error code:-1
11:32:23.221 PlayCore com....oxygentherapy I UID: [10394] PID: [13295] OnRequestInstallCallback : onRequestInfo
11:32:23.221 PlayCore com....oxygentherapy I UID: [10394] PID: [13295] AppUpdateService : Unbind from service.
11:32:23.225 CheckUpdate com....oxygentherapy D checked for update failed: -10: Install Error(-10): The app is not owned by any user on this device. An app is "owned" if it has been acquired from Play. (https://developer.android.com/reference/com/google/android/play/core/install/model/InstallErrorCode#ERROR_APP_NOT_OWNED)
11:32:23.225 ScannerListener com....oxygentherapy E Scan status:SCAN_FAILED error code:2
11:32:23.225 BleScanner com....oxygentherapy E finally stop scanner now!
When I start scanning for bluetooth devices using BluetoothLeScannerCompat, the scan immedietly stops with error code 2 SCAN_FAILED_APPLICATION_REGISTRATION_FAILED. This does not happen when using a Samsung phone, tablet (S22, S23, A9) or Oneplus phones. The scan is only started once, so i dont think it is an abundance of scans that is the issue, but i could be wrong.
Code for starting the scan:
Permissions asked for during runtime:
I have tried to use
ACCESS_FINE_LOCATIONwithBLUETOOTH_SCANwhile removingandroid:usesPermissionFlags="neverForLocation", but it does not resolve the issue.Logcat log: