RN bluetooth classic app is not working on Android 10 and above

[rahulp9538]

Hi,

i am trying to run RN bluetooth classic app on my Android (10) phone. But it gets struck when i click on Discover Devices button.

Below is the log:

2023-05-05 15:51:11.694 32070-32129/com.bluetoothclassicexample I/ReactNativeJS: Running application "BluetoothClassicExample" with appParams: {"rootTag":21}. __DEV__ === false, development-level warning are OFF, performance optimizations are ON

2023-05-05 15:51:11.723 32070-32070/com.bluetoothclassicexample D/RNBluetoothClassicModule: onHostResume: register Application receivers

2023-05-05 15:51:11.814 32070-32070/com.bluetoothclassicexample D/ViewRootImpl@e05321c[MainActivity]: MSG_RESIZED: frame=(0,0,1080,2340) ci=(0,85,0,126) vi=(0,85,0,126) or=1

2023-05-05 15:51:11.905 32070-32129/com.bluetoothclassicexample I/ReactNativeJS: DeviceListScreen::getBondedDevices
2023-05-05 15:51:11.907 32070-32129/com.bluetoothclassicexample I/ReactNativeJS: App::componentDidMount adding listeners: onBluetoothEnabled and onBluetoothDistabled

2023-05-05 15:51:11.907 32070-32129/com.bluetoothclassicexample I/ReactNativeJS: App::componentDidMount alternatively could use onStateChanged
2023-05-05 15:51:11.914 32070-32129/com.bluetoothclassicexample I/ReactNativeJS: App::componentDidMount Checking bluetooth status

2023-05-05 15:51:11.920 32070-32070/com.bluetoothclassicexample D/ScrollView: initGoToTop
2023-05-05 15:51:11.985 32070-32130/com.bluetoothclassicexample D/RNBluetoothClassicModule: Adding listener to BLUETOOTH_ENABLED, currently have 1 listeners

2023-05-05 15:51:11.988 32070-32130/com.bluetoothclassicexample D/RNBluetoothClassicModule: Adding listener to BLUETOOTH_DISABLED, currently have 1 listeners
2023-05-05 15:51:12.018 32070-32129/com.bluetoothclassicexample I/ReactNativeJS: 'DeviceListScreen::getBondedDevices found', [ { _bluetoothModule: 
         { _nativeModule: 
            { accept: { [Function] type: 'promise' },
              addListener: { [Function] type: 'async' },
              availableFromDevice: { [Function] type: 'promise' },
              cancelAccept: { [Function] type: 'promise' },
              cancelDiscovery: { [Function] type: 'promise' },
              clearFromDevice: { [Function] type: 'promise' },
              connectToDevice: { [Function] type: 'promise' },
              disconnectFromDevice: { [Function] type: 'promise' },
              getBondedDevices: { [Function] type: 'promise' },
              getConnectedDevice: { [Function] type: 'promise' },
              getConnectedDevices: { [Function] type: 'promise' },
              isBluetoothAvailable: { [Function] type: 'promise' },
              isBluetoothEnabled: { [Function] type: 'promise' },
              isDeviceConnected: { [Function] type: 'promise' },
              openBluetoothSettings: { [Function] type: 'async' },
              pairDevice: { [Function] type: 'promise' },
              readFromDevice: { [Function] type: 'promise' },
              removeAllListeners: { [Function] type: 'async' },
              removeListener: { [Function] type: 'async' },
              requestBluetoothEnabled: { [Function] type: 'promise' },
              setBluetoothAdapterName: { [Function] type: 'promise' },
              startDiscovery: { [Function] type: 'promise' },
              unpairDevice: { [Function] type: 'promise' },
              writeToDevice: { [Function] type: 'promise' },
              getConstants: [Function] },
           _eventEmitter: 
            { _subscriber: 
               { _subscriptionsForType: 
                  { didUpdateDimensions: 
                     [ { subscriber: [Circular],
                         emitter: 
                          { _subscriber: [Circular],
                            sharedSubscriber: [Circular],
                            _currentSubscription: null },
                         listener: [Function],
                         context: undefined,
                         eventType: 'didUpdateDimensions',
                         key: 0 } ],
                    hardwareBackPress: 
                     [ { subscriber: [Circular],
                         emitter: 
                          { _subscriber: [Circular],
                            sharedSubscriber: [Circular],
                            _currentSubscription: null },
                         listener: [Function],
                         context: undefined,
                         eventType: 'hardwareBackPress',
                         key: 0 } ],
                    collectBugExtraData: 
                     [ { subscriber: [Circular],
                         emitter: 
                          { _subscriber: [Circular],
                            sharedSubscriber: [Circular],
                            _currentSubscription: null },
                         listener: [Function: value],
                         context: null,
                         eventType: 'collectBugExtraData',
                         key: 0 } ],
                    collectRedBoxExtraData: 
                     [ { subscriber: [Circular],
                         emitter: 
                          { _subscriber: [Circular],
                            sharedSubscriber: [Circular],
                            _currentSubscription: null },
                         listener: [Function: value],
                         context: null,
                         eventType: 'collectRedBoxExtraData',
                         key: 0 } ],
                    keyboardWillShow: 
                     [ ,
                       ,
                       { subscriber: [Circular],
                         emitter: 
                          { _subscriber: [Circular],
                            dismiss: [Function],
                            scheduleLayoutAnimation: [Function] },
                         listener: [Function: bound scrollResponderKeyboardWillShow],
                         context: undefined,
                         eventType: 'keyboardWillShow',
                         key: 2 } ],
                    keyboardWillHide: 
                     [ ,
                       ,
                       { subscriber: [Ci

2023-05-05 15:51:15.187 32070-32130/com.bluetoothclassicexample D/BluetoothAdapter: startDiscovery

[kenjdavidson]

There isn't much in this log that is helpful, it looks like it stops right after the startDiscovery request? There are no more logs? No errors? The app just sits there and does nothing?