Make user displayName live in the setting, it should fix #1926

CHANGES.md

@@ -8,7 +8,7 @@ Improvements 🙌:
  -
 
 Bugfix 🐛:
- -
+ - Display name not shown under Settings/General (#1926)
 
 Translations 🗣:
  -

vector/src/main/java/im/vector/app/features/settings/VectorSettingsGeneralFragment.kt

@@ -128,6 +128,7 @@ class VectorSettingsGeneralFragment : VectorSettingsBaseFragment() {
         super.onViewCreated(view, savedInstanceState)
 
         observeUserAvatar()
+        observeUserDisplayName()
     }
 
     private fun observeUserAvatar() {
@@ -140,6 +141,21 @@ class VectorSettingsGeneralFragment : VectorSettingsBaseFragment() {
                 .disposeOnDestroyView()
     }
 
+    private fun observeUserDisplayName() {
+        session.rx()
+                .liveUser(session.myUserId)
+                .unwrap()
+                .distinctUntilChanged { user -> user.displayName }
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe { user ->
+                    mDisplayNamePreference.let {
+                        it.summary = user.displayName ?: ""
+                        it.text = user.displayName ?: ""
+                    }
+                }
+                .disposeOnDestroyView()
+    }
+
     override fun bindPref() {
         // Avatar
         mUserAvatarPreference.let {
@@ -151,8 +167,6 @@ class VectorSettingsGeneralFragment : VectorSettingsBaseFragment() {
 
         // Display name
         mDisplayNamePreference.let {
-            it.summary = session.getUser(session.myUserId)?.displayName ?: ""
-            it.text = it.summary.toString()
             it.onPreferenceChangeListener = Preference.OnPreferenceChangeListener { _, newValue ->
                 newValue
                         ?.let { value -> (value as? String)?.trim() }