Don't show video popup if video is globally disabled + don't hide mandatory encryption setting if encryption is disabled

app/src/main/java/org/linphone/activities/call/fragments/ControlsFragment.kt

@@ -108,9 +108,13 @@ class ControlsFragment : GenericFragment<CallControlsFragmentBinding>() {
                 if (call.state == Call.State.StreamsRunning) {
                     dialog?.dismiss()
                 } else if (call.state == Call.State.UpdatedByRemote) {
+                    if (coreContext.core.videoCaptureEnabled() || coreContext.core.videoDisplayEnabled()) {
                         if (call.currentParams.videoEnabled() != call.remoteParams?.videoEnabled()) {
                             showCallVideoUpdateDialog(call)
                         }
+                    } else {
+                        Log.w("[Controls Fragment] Video display & capture are disabled, don't show video dialog")
+                    }
                 }
             }
         })

app/src/main/java/org/linphone/activities/call/viewmodels/CallsViewModel.kt

@@ -78,8 +78,12 @@ class CallsViewModel : ViewModel() {
                 val localVideo = call.currentParams.videoEnabled()
                 val autoAccept = call.core.videoActivationPolicy.automaticallyAccept
                 if (remoteVideo && !localVideo && !autoAccept) {
+                    if (coreContext.core.videoCaptureEnabled() || coreContext.core.videoDisplayEnabled()) {
                         call.deferUpdate()
                         callUpdateEvent.value = Event(call)
+                    } else {
+                        coreContext.answerCallVideoUpdateRequest(call, false)
+                    }
                 }
             } else if (state == Call.State.StreamsRunning) {
                 callUpdateEvent.value = Event(call)

app/src/main/java/org/linphone/activities/main/settings/viewmodels/CallSettingsViewModel.kt

@@ -46,6 +46,9 @@ class CallSettingsViewModel : GenericSettingsViewModel() {
         override fun onListValueChanged(position: Int) {
             core.mediaEncryption = MediaEncryption.fromInt(encryptionValues[position])
             encryptionIndex.value = position
+            if (position == 0) {
+                encryptionMandatory.value = false
+            }
         }
     }
     val encryptionIndex = MutableLiveData<Int>()

app/src/main/java/org/linphone/activities/main/settings/viewmodels/VideoSettingsViewModel.kt

@@ -33,6 +33,11 @@ class VideoSettingsViewModel : GenericSettingsViewModel() {
         override fun onBoolValueChanged(newValue: Boolean) {
             core.enableVideoCapture(newValue)
             core.enableVideoDisplay(newValue)
+            if (!newValue) {
+                tabletPreview.value = false
+                initiateCall.value = false
+                autoAccept.value = false
+            }
         }
     }
     val enableVideo = MutableLiveData<Boolean>()

app/src/main/res/layout/settings_call_fragment.xml

@@ -89,8 +89,7 @@
                     linphone:title="@{@string/call_settings_encryption_mandatory_title}"
                     linphone:listener="@{viewModel.encryptionMandatoryListener}"
                     linphone:checked="@={viewModel.encryptionMandatory}"
-                    linphone:enabled="@{viewModel.encryptionIndex != 0}"
+                    linphone:enabled="@{viewModel.encryptionIndex != 0}" />
-                    android:visibility="@{viewModel.encryptionIndex != 0 ? View.VISIBLE : View.GONE}"/>
                 <include
                     layout="@layout/settings_widget_switch"
                     linphone:title="@{@string/call_settings_full_screen_title}"