Implemented self managed mode support for Android

Author: jonastelzio

actions.js

@@ -15,6 +15,7 @@ const RNCallKeepDidPerformDTMFAction = 'RNCallKeepDidPerformDTMFAction';
 const RNCallKeepProviderReset = 'RNCallKeepProviderReset';
 const RNCallKeepCheckReachability = 'RNCallKeepCheckReachability';
 const RNCallKeepDidLoadWithEvents = 'RNCallKeepDidLoadWithEvents';
+const RNCallKeepShowIncomingCallUi = 'RNCallKeepShowIncomingCallUi';
 const isIOS = Platform.OS === 'ios';
 
 const didReceiveStartCallAction = handler => {
@@ -59,6 +60,9 @@ const checkReachability = handler =>
 const didLoadWithEvents = handler =>
   eventEmitter.addListener(RNCallKeepDidLoadWithEvents, handler);
 
+const showIncomingCallUi = handler =>
+  eventEmitter.addListener(RNCallKeepShowIncomingCallUi, (data) => handler(data));
+
 export const emit = (eventName, payload) => eventEmitter.emit(eventName, payload);
 
 export const listeners = {
@@ -74,4 +78,5 @@ export const listeners = {
   didResetProvider,
   checkReachability,
   didLoadWithEvents,
+  showIncomingCallUi
 };

android/src/main/AndroidManifest.xml

@@ -5,4 +5,6 @@
     <uses-permission android:name="android.permission.READ_PHONE_STATE"
                      android:maxSdkVersion="29" />
     <uses-permission android:name="android.permission.READ_PHONE_NUMBERS" />
+    <uses-permission android:name="android.permission.MANAGE_OWN_CALLS" />
+    <uses-permission android:name="android.permission.READ_CALL_LOG" />
 </manifest>

android/src/main/java/io/wazo/callkeep/Constants.java

@@ -12,6 +12,7 @@ public class Constants {
     public static final String ACTION_UNHOLD_CALL = "ACTION_UNHOLD_CALL";
     public static final String ACTION_UNMUTE_CALL = "ACTION_UNMUTE_CALL";
     public static final String ACTION_WAKE_APP = "ACTION_WAKE_APP";
+    public static final String ACTION_SHOW_INCOMING_CALL_UI = "ACTION_SHOW_INCOMING_CALL_UI";
 
     public static final String EXTRA_CALL_NUMBER = "EXTRA_CALL_NUMBER";
     public static final String EXTRA_CALL_UUID = "EXTRA_CALL_UUID";

android/src/main/java/io/wazo/callkeep/RNCallKeepModule.java

@@ -85,6 +85,7 @@
 import static io.wazo.callkeep.Constants.ACTION_AUDIO_SESSION;
 import static io.wazo.callkeep.Constants.ACTION_CHECK_REACHABILITY;
 import static io.wazo.callkeep.Constants.ACTION_WAKE_APP;
+import static io.wazo.callkeep.Constants.ACTION_SHOW_INCOMING_CALL_UI;
 
 // @see https://github.com/kbagchiGWC/voice-quickstart-android/blob/9a2aff7fbe0d0a5ae9457b48e9ad408740dfb968/exampleConnectionService/src/main/java/com/twilio/voice/examples/connectionservice/VoiceConnectionServiceActivity.java
 public class RNCallKeepModule extends ReactContextBaseJavaModule {
@@ -93,7 +94,7 @@ public class RNCallKeepModule extends ReactContextBaseJavaModule {
 
     private static final String E_ACTIVITY_DOES_NOT_EXIST = "E_ACTIVITY_DOES_NOT_EXIST";
     private static final String REACT_NATIVE_MODULE_NAME = "RNCallKeep";
-    private static final String[] permissions = {
+    private static String[] permissions = {
         Build.VERSION.SDK_INT < 30 ? Manifest.permission.READ_PHONE_STATE : Manifest.permission.READ_PHONE_NUMBERS,
         Manifest.permission.CALL_PHONE,
         Manifest.permission.RECORD_AUDIO
@@ -115,6 +116,10 @@ public RNCallKeepModule(ReactApplicationContext reactContext) {
         this.reactContext = reactContext;
     }
 
+    private boolean isSelfManaged() {
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && _settings.hasKey("selfManaged") && _settings.getBoolean("selfManaged");
+    }
+
     @Override
     public String getName() {
         return REACT_NATIVE_MODULE_NAME;
@@ -127,6 +132,20 @@ public void setup(ReadableMap options) {
         VoiceConnectionService.setInitialized(true);
         this._settings = options;
 
+        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            if(isSelfManaged()) {
+                Log.d(TAG, "API Version supports self managed, and is enabled in setup");
+            }
+            else {
+                Log.d(TAG, "API Version supports self managed, but it is not enabled in setup");
+            }
+        }
+
+        //If we're running in self managed mode we need fewer permissions.
+        if(isSelfManaged()) {
+            permissions = new String[]{ Manifest.permission.RECORD_AUDIO };
+        }
+
         if (isConnectionServiceAvailable()) {
             this.registerPhoneAccount();
             this.registerEvents();
@@ -196,6 +215,7 @@ public void startCall(String uuid, String number, String callerName) {
         Log.d(TAG, "startCall called, uuid: " + uuid + ", number: " + number + ", callerName: " + callerName);
 
         if (!isConnectionServiceAvailable() || !hasPhoneAccount() || !hasPermissions() || number == null) {
+            Log.d(TAG, "startCall ignored: " + isConnectionServiceAvailable() + ", " + hasPhoneAccount() + ", " + hasPermissions() + ", " + number);
             return;
         }
 
@@ -341,7 +361,7 @@ public void reject(String message) {
                         hasPhoneAccountPromise.resolve(false);
                     }
             });
-             return;
+            return;
         }
 
         promise.resolve(!hasPhoneAccount());
@@ -606,8 +626,13 @@ private void registerPhoneAccount(Context appContext) {
         this.initializeTelecomManager();
         String appName = this.getApplicationName(this.getAppContext());
 
-        PhoneAccount.Builder builder = new PhoneAccount.Builder(handle, appName)
-                .setCapabilities(PhoneAccount.CAPABILITY_CALL_PROVIDER);
+        PhoneAccount.Builder builder = new PhoneAccount.Builder(handle, appName);
+        if(isSelfManaged()) {
+            builder.setCapabilities(PhoneAccount.CAPABILITY_SELF_MANAGED);
+        }
+        else {
+            builder.setCapabilities(PhoneAccount.CAPABILITY_CALL_PROVIDER);
+        }
 
         if (_settings != null && _settings.hasKey("imageName")) {
             int identifier = appContext.getResources().getIdentifier(_settings.getString("imageName"), "drawable", appContext.getPackageName());
@@ -669,6 +694,7 @@ private void registerReceiver() {
             intentFilter.addAction(ACTION_ONGOING_CALL);
             intentFilter.addAction(ACTION_AUDIO_SESSION);
             intentFilter.addAction(ACTION_CHECK_REACHABILITY);
+            intentFilter.addAction(ACTION_SHOW_INCOMING_CALL_UI);
             LocalBroadcastManager.getInstance(this.reactContext).registerReceiver(voiceBroadcastReceiver, intentFilter);
             isReceiverRegistered = true;
         }
@@ -743,6 +769,12 @@ public void onReceive(Context context, Intent intent) {
                 case ACTION_CHECK_REACHABILITY:
                     sendEventToJS("RNCallKeepCheckReachability", null);
                     break;
+                case ACTION_SHOW_INCOMING_CALL_UI:
+                    args.putString("handle", attributeMap.get(EXTRA_CALL_NUMBER));
+                    args.putString("callUUID", attributeMap.get(EXTRA_CALL_UUID));
+                    args.putString("name", attributeMap.get(EXTRA_CALLER_NAME));
+                    sendEventToJS("RNCallKeepShowIncomingCallUi", args);
+                    break;
                 case ACTION_WAKE_APP:
                     Intent headlessIntent = new Intent(reactContext, RNCallKeepBackgroundMessagingService.class);
                     headlessIntent.putExtra("callUUID", attributeMap.get(EXTRA_CALL_UUID));

android/src/main/java/io/wazo/callkeep/VoiceConnection.java

@@ -48,6 +48,7 @@
 import static io.wazo.callkeep.Constants.EXTRA_CALLER_NAME;
 import static io.wazo.callkeep.Constants.EXTRA_CALL_NUMBER;
 import static io.wazo.callkeep.Constants.EXTRA_CALL_UUID;
+import static io.wazo.callkeep.Constants.ACTION_SHOW_INCOMING_CALL_UI;
 
 @TargetApi(Build.VERSION_CODES.M)
 public class VoiceConnection extends Connection {
@@ -196,6 +197,12 @@ public void onReject() {
         destroy();
     }
 
+    @Override
+    public void onShowIncomingCallUi() {
+        Log.d(TAG, "onShowIncomingCallUi()");
+        sendCallRequestToActivity(ACTION_SHOW_INCOMING_CALL_UI, handle);
+    }
+
     /*
      * Send call request to the RNCallKeepModule
      */

android/src/main/java/io/wazo/callkeep/VoiceConnectionService.java

@@ -40,6 +40,7 @@
 import android.telecom.ConnectionRequest;
 import android.telecom.ConnectionService;
 import android.telecom.DisconnectCause;
+import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
 import android.util.Log;
@@ -331,6 +332,22 @@ private Connection createConnection(ConnectionRequest request) {
         extrasMap.put(EXTRA_CALL_NUMBER, request.getAddress().toString());
         VoiceConnection connection = new VoiceConnection(this, extrasMap);
         connection.setConnectionCapabilities(Connection.CAPABILITY_MUTE | Connection.CAPABILITY_SUPPORT_HOLD);
+
+        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            Context context = getApplicationContext();
+            TelecomManager telecomManager = (TelecomManager) context.getSystemService(context.TELECOM_SERVICE);
+            PhoneAccount phoneAccount = telecomManager.getPhoneAccount(request.getAccountHandle());
+
+            //If the phone account is self managed, then this connection must also be self managed.
+            if((phoneAccount.getCapabilities() & PhoneAccount.CAPABILITY_SELF_MANAGED) == PhoneAccount.CAPABILITY_SELF_MANAGED) {
+                Log.d(TAG, "PhoneAccount is SELF_MANAGED, so connection will be too");
+                connection.setConnectionProperties(Connection.PROPERTY_SELF_MANAGED);
+            }
+            else {
+                Log.d(TAG, "PhoneAccount is not SELF_MANAGED, so connection won't be either");
+            }
+        }
+
         connection.setInitializing();
         connection.setExtras(extras);
         currentConnections.put(extras.getString(EXTRA_CALL_UUID), connection);

index.d.ts

@@ -11,7 +11,8 @@ declare module 'react-native-callkeep' {
     'didResetProvider' |
     'checkReachability' |
     'didPerformSetMutedCallAction' |
-    'didLoadWithEvents';
+    'didLoadWithEvents' |
+    'showIncomingCallUi';
 
   type HandleType = 'generic' | 'number' | 'email';
 
@@ -32,6 +33,7 @@ declare module 'react-native-callkeep' {
       okButton: string,
       imageName?: string,
       additionalPermissions: string[],
+      selfManaged?: boolean,
       foregroundService?: {
         channelId: string,
         channelName: string,

index.js

@@ -274,6 +274,10 @@ class RNCallKeep {
   _setupAndroid = async (options) => {
     RNCallKeepModule.setup(options);
 
+    if (options.selfManaged) {
+      return false;
+    }
+
     const showAccountAlert = await RNCallKeepModule.checkPhoneAccountPermission(options.additionalPermissions || []);
     const shouldOpenAccounts = await this._alert(options, showAccountAlert);