我已经用BLE完成了用Flutter编写的应用程序，并且在iOS中运行良好。
但是当我在Android中运行相同的应用程序时，它无法正常工作。因此，我检查了日志，发现该应用程序未稳定地连接到Bluetooth设备，并且一旦连接，它就会断开连接。
所以我写了一段代码来侦听蓝牙连接中的状态变化，并在状态更改断开时重新连接，并在日志中发现它像循环一样保持连接和断开状态。
请注意，这在iOS中也能正常工作。
Launching lib/main.dart on TRT L21A in debug mode...
Built build/app/outputs/apk/debug/app-debug.apk.
I/flutter (10374): getHOME, statusCode = 200
I/flutter (10374): Body Batch: {status: success, target_steps: 10000, today_steps: 0, calorie_target: 2000, today_calories: 0, totaldistance: 0, team_leader: no}
I/hwaps (10374): JNI_OnLoad
I/BluetoothAdapter(10374): getBluetoothLeScanner
I/flutter (10374):
I/BluetoothAdapter(10374): getBluetoothLeScanner
I/BluetoothGatt(10374): connect is called
I/BluetoothGatt(10374): connect is called
I/art (10374): Do partial code cache collection, code=30KB, data=30KB
I/art (10374): After code cache collection, code=30KB, data=30KB
I/art (10374): Increasing code cache capacity to 128KB
I/flutter (10374): State is BluetoothDeviceState.disconnected
I/BluetoothGatt(10374): connect is called
I/flutter (10374): State is BluetoothDeviceState.disconnected
I/BluetoothGatt(10374): connect is called
I/flutter (10374): State is BluetoothDeviceState.disconnected
I/BluetoothGatt(10374): connect is called
I/flutter (10374): State is BluetoothDeviceState.connected
I/flutter (10374): State is BluetoothDeviceState.connected
I/flutter (10374): State is BluetoothDeviceState.connected
I/flutter (10374): State is BluetoothDeviceState.connected