Merge pull request #380 from vector-im/feature/rs_crash_steve

Fix a crash in notificationwhen display name is empty

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/Session.kt

@@ -57,6 +57,9 @@ interface Session :
      */
     val sessionParams: SessionParams
 
+    /**
+     * Useful shortcut to get access to the userId
+     */
     val myUserId: String
         get() = sessionParams.credentials.userId
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/SessionManager.kt

@@ -50,16 +50,10 @@ internal class SessionManager @Inject constructor(private val matrixComponent: M
     }
 
     private fun getOrCreateSessionComponent(sessionParams: SessionParams): SessionComponent {
-        val userId = sessionParams.credentials.userId
-        if (sessionComponents.containsKey(userId)) {
-            return sessionComponents[userId]!!
+        return sessionComponents.getOrPut(sessionParams.credentials.userId) {
+            DaggerSessionComponent
+                    .factory()
+                    .create(matrixComponent, sessionParams)
         }
-        return DaggerSessionComponent
-                .factory()
-                .create(matrixComponent, sessionParams)
-                .also {
-                    sessionComponents[sessionParams.credentials.userId] = it
-                }
     }
-
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/DefaultSession.kt

@@ -94,11 +94,11 @@ internal class DefaultSession @Inject constructor(override val sessionParams: Se
     }
 
     override fun requireBackgroundSync() {
-        SyncWorker.requireBackgroundSync(context, sessionParams.credentials.userId)
+        SyncWorker.requireBackgroundSync(context, myUserId)
     }
 
     override fun startAutomaticBackgroundSync(repeatDelay: Long) {
-        SyncWorker.automaticallyBackgroundSync(context, sessionParams.credentials.userId, 0, repeatDelay)
+        SyncWorker.automaticallyBackgroundSync(context, myUserId, 0, repeatDelay)
     }
 
     override fun stopAnyBackgroundSync() {