Fix ANR on ChatRoom screen

app/build.gradle

@@ -54,6 +54,7 @@ android {
 
     packagingOptions {
         exclude 'META-INF/core.kotlin_module'
+        exclude 'META-INF/main.kotlin_module'
     }
 }
 

app/src/main/java/chat/rocket/android/chatinformation/di/MessageInfoFragmentProvider.kt

 package chat.rocket.android.chatinformation.di
 
 import chat.rocket.android.chatinformation.ui.MessageInfoFragment
+import chat.rocket.android.dagger.scope.PerFragment
 import dagger.Module
 import dagger.android.ContributesAndroidInjector
 
@@ -8,5 +9,6 @@ import dagger.android.ContributesAndroidInjector
 abstract class MessageInfoFragmentProvider {
 
     @ContributesAndroidInjector(modules = [MessageInfoFragmentModule::class])
+    @PerFragment
     abstract fun provideMessageInfoFragment(): MessageInfoFragment
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/chatroom/presentation/ChatRoomPresenter.kt

@@ -559,7 +559,7 @@ class ChatRoomPresenter @Inject constructor(
             try {
                 val members = retryIO("getMembers($chatRoomId, $chatRoomType, $offset)") {
                     client.getMembers(chatRoomId, roomTypeOf(chatRoomType), offset, 50).result
-                }
+                }.take(50) // Get only 50, the backend is returning 7k+ users
                 usersRepository.saveAll(members)
                 val self = localRepository.get(LocalRepository.CURRENT_USERNAME_KEY)
                 // Take at most the 100 most recent messages distinguished by user. Can return less.

app/src/main/java/chat/rocket/android/chatroom/ui/ChatRoomFragment.kt

@@ -265,6 +265,9 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
                 }
                 recycler_view.addOnLayoutChangeListener(layoutChangeListener)
                 recycler_view.addOnScrollListener(onScrollListener)
+
+                // Load just once, on the first page...
+                presenter.loadActiveMembers(chatRoomId, chatRoomType, filterSelfOut = true)
             }
 
             val oldMessagesCount = adapter.itemCount
@@ -273,7 +276,6 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
                 recycler_view.scrollToPosition(0)
                 verticalScrollOffset.set(0)
             }
-            presenter.loadActiveMembers(chatRoomId, chatRoomType, filterSelfOut = true)
             toggleNoChatView(adapter.itemCount)
         }
     }

dependencies.gradle

@@ -4,8 +4,8 @@ ext {
             compileSdk            : 27,
             targetSdk             : 27,
             buildTools            : '27.0.3',
-            kotlin                : '1.2.41',
-            coroutine             : '0.22.5',
+            kotlin                : '1.2.50',
+            coroutine             : '0.23.1',
             dokka                 : '0.9.16',
 
             // Main dependencies