Android 12 新蓝牙权限

Question

蓝牙是我们应用程序的主要依赖项。因此，我们已经尝试实施新的 Android 12 蓝牙权限。我们唯一的资源是 Android 开发人员 Android 12 中的新蓝牙权限。只是说添加权限

“android.permission.BLUETOOTH_CONNECT”

“android.permission.BLUETOOTH_SCAN”

我添加并获得了两者的运行时权限，当然还有位置（通常为 12 之前））。

我的代码库中没有其他更改。应该？我不知道。所以，问题是我的应用找不到 BLE 设备。我找不到原因。

你有什么建议或资源吗？

原文由 Mustafa Kuloğlu 发布，翻译遵循 CC BY-SA 4.0 许可协议

Answer 1

这是一个平台错误。谷歌在新的 Android 12 Beta 版本中修复了该错误。

原文由 Mustafa Kuloğlu 发布，翻译遵循 CC BY-SA 4.0 许可协议

Answer 2

100% 有效的解决方案：不需要任何第 3 方插件

清单代码：

 <!--BLUETOOTH PERMISSION-->
    <!-- Request legacy Bluetooth permissions on older devices. -->
    <uses-permission android:name="android.permission.BLUETOOTH" />
    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
    <!-- Needed only if your app looks for Bluetooth devices.
             If your app doesn't use Bluetooth scan results to derive physical
             location information, you can strongly assert that your app
             doesn't derive physical location. -->
    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
    <!-- Needed only if your app makes the device discoverable to Bluetooth
      devices. -->
    <uses-permission android:name="android.permission.BLUETOOTH_ADVERTISE" />
    <!-- Needed only if your app communicates with already-paired Bluetooth
           devices. -->
    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
    <!--bibo01 : hardware option-->
    <uses-feature android:name="android.hardware.bluetooth" android:required="false"/>
    <uses-feature android:name="android.hardware.bluetooth_le" android:required="false"/>

Kotlin 代码：//检查 android12+

 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
                            requestMultiplePermissions.launch(arrayOf(
                                Manifest.permission.BLUETOOTH_SCAN,
                                Manifest.permission.BLUETOOTH_CONNECT))
                        }
                        else{
                            val enableBtIntent = Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE)
                            requestBluetooth.launch(enableBtIntent)
                        }
....................................................

private var requestBluetooth = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
                if (result.resultCode == RESULT_OK) {
                    //granted
                }else{
                    //deny
                }
 }

private val requestMultiplePermissions =
                registerForActivityResult(ActivityResultContracts.RequestMultiplePermissions()) { permissions ->
                    permissions.entries.forEach {
                        Log.d("test006", "${it.key} = ${it.value}")
                    }
}

阅读更多： https ://developer.android.com/guide/topics/connectivity/bluetooth/permissions

原文由 Bolt UIX 发布，翻译遵循 CC BY-SA 4.0 许可协议