Android 12 New Bluetooth Permissions
MainActivity
namespace Xamarin.Android
{
public class MainActivity : global::Xamarin.Forms.Platform.Android.FormsAppCompatActivity
{
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
LoadApplication(new App());
//Add this line
await Permissions.RequestAsync<BLEPermission>();
}
}
}
BLEPermission Class
public class BLEPermission : Xamarin.Essentials.Permissions.BasePlatformPermission
{
public override (string androidPermission, bool isRuntime)[] RequiredPermissions => new List<(string androidPermission, bool isRuntime)>
{
(Android.Manifest.Permission.BluetoothScan, true),
(Android.Manifest.Permission.BluetoothConnect, true)
}.ToArray();
}
AndroidManifest.xml
<uses-permission android:name="android.permission.BLUETOOTH" android:maxSdkVersion="30" /> <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" /> <uses-permission android:name="android.permission.BLUETOOTH_SCAN" android:usesPermissionFlags="neverForLocation" /> <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" android:maxSdkVersion="30" /> <uses-permission android:name="android.permission.BLUETOOTH_ADVERTISE" /> <uses-permission android:name="android.permission.BLUETOOTH_PRIVILEGED" /> <uses-feature android:name="android.hardware.bluetooth" android:required="false" /> <uses-feature android:name="android.hardware.bluetooth_le" android:required="false" /> <uses-feature android:name="android.hardware.location" android:required="false" /> <uses-feature android:name="android.hardware.location.gps" android:required="false" /> <uses-feature android:name="android.hardware.location.network" android:required="false" />