Fix lint warning: ignore impossible SecurityException

Author: bmarty

vector/src/main/java/im/vector/app/core/services/BluetoothHeadsetReceiver.kt

@@ -18,6 +18,10 @@ import androidx.core.content.ContextCompat
 import im.vector.lib.core.utils.compat.getParcelableExtraCompat
 import java.lang.ref.WeakReference
 
+/**
+ * It's only used in API 21 and 22 so we will not have security exception on these OS,
+ * so it's safe to use @Suppress("MissingPermission")
+ */
 class BluetoothHeadsetReceiver : BroadcastReceiver() {
 
     interface EventListener {
@@ -53,12 +57,15 @@ class BluetoothHeadsetReceiver : BroadcastReceiver() {
         }
 
         val device = intent.getParcelableExtraCompat<BluetoothDevice>(BluetoothDevice.EXTRA_DEVICE)
+        @Suppress("MissingPermission")
         val deviceName = device?.name
+        @Suppress("MissingPermission")
         when (device?.bluetoothClass?.deviceClass) {
             BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE,
             BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO,
             BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET -> {
                 // filter only device that we care about for
+                @Suppress("MissingPermission")
                 delegate?.get()?.onBTHeadsetEvent(
                         BTHeadsetPlugEvent(
                                 plugged = headsetConnected,

vector/src/main/java/im/vector/app/features/call/audio/API21AudioDeviceDetector.kt

@@ -43,6 +43,11 @@ internal class API21AudioDeviceDetector(
         return HashSet<CallAudioManager.Device>().apply {
             if (isBluetoothHeadsetOn()) {
                 connectedBlueToothHeadset?.connectedDevices?.forEach {
+                    // Call requires permission which may be rejected by user: code should explicitly
+                    // check to see if permission is available (with checkPermission) or explicitly
+                    // handle a potential SecurityException
+                    // But it should not happen on API 21/22.
+                    @Suppress("MissingPermission")
                     add(CallAudioManager.Device.WirelessHeadset(it.name))
                 }
             }