Android 13: initialize is called + permissions allowed, requestLEScan doesn't fire until app is relaunched

[jchri853]

try {
    await BleClient.initialize({ androidNeverForLocation: true });
    await BleClient.requestLEScan(
      {
        services: [BluetoothProfile.SCANNING_SERVICE_1],
      },
      (result) => {
        console.log(result)
      },
    );
    // disconnect after 10 sec
    setTimeout(async () => {
      console.log('disconnected from device');
    }, 10000);
  } catch (error) {
    console.error(error);
  }

I'm encountering an issue while testing my code on Android 13 and possibly older versions. After the permissions popup appears and I click 'Allow,' the subsequent code doesn't execute as expected. I've noticed that upon forcibly closing the app, I'm then able to trigger the requestLEScan function. Could you provide insights on how to address this situation?

[pwespi]

Hm I've never encountered this. What do you mean by "doesn't execute as expected"? Is there an error? Or just no results are found?

Can you share the logs from Android Studio?

[jchri853]

          D  Registering plugin instance: BluetoothLe
2023-08-10 16:50:08.477  1644-1912  cr_media                       W  BLUETOOTH_CONNECT permission is missing.
2023-08-10 16:50:08.481  1644-1912  cr_media                     W  registerBluetoothIntentsIfNeeded: Requires BLUETOOTH permission
2023-08-10 16:50:21.699  2788-2810  BtGatt.GattService      com.android.bluetooth                W  unfreezeScan() - No AppScanStats found with uid: 10237
2023-08-10 16:50:30.564  1644-1644  Capacitor/Plugin               V  To native (Capacitor plugin): callbackId: 68639057, pluginId: BluetoothLe, methodName: initialize
2023-08-10 16:50:30.564  1644-1644  Capacitor                        V  callback: 68639057, pluginId: BluetoothLe, methodName: initialize, methodData: {}
2023-08-10 16:50:57.020  1404-1474  BatteryExt...tatsWorker system_server                        D  Fetch Bluetooth data
2023-08-10 16:50:57.209  1404-1474  BatteryExt...tatsWorker system_server                        D  Update bluetooth state
2023-08-10 16:50:57.808  1280-1280  GrantPermi...sViewModel com....android.permissioncontroller  V  Permission grant result requestId=-1736317719580874805 callingUid=10472 callingPackage=com.xxx.xxxx permission=android.permission.BLUETOOTH_SCAN isImplicit=false result=4

I see the permission request on the screen, click allow. Then nothing logs after that. I put breakpoints on requestLEScan() in BluetoothLe.kt and it never lands there even when adding the method to a button click

[jchri853]

Found it! For others that may encounter this...

https://stackoverflow.com/questions/75333312/android-kotlin-registerforactivityresult-no-callback

Had an extra onRequestPermissionsResult in the code intercepting the permissions request
public void onRequestPermissionsResult(int requestCode, @nonnull String[] permissions, @nonnull int[] grantResults) {}