From ae5f9fb8acb12639184b80d4555707fada1b807d Mon Sep 17 00:00:00 2001
From: Alex Hart <alex@signal.org>
Date: Fri, 8 Jan 2021 17:31:23 -0400
Subject: [PATCH] Add empty state for members list in AddGroupDetailsFragment.

---
 .../details/AddGroupDetailsFragment.java            |  6 +++++-
 .../main/res/layout/add_group_details_fragment.xml  | 13 +++++++++++++
 app/src/main/res/values/strings.xml                 |  1 +
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/org/thoughtcrime/securesms/groups/ui/creategroup/details/AddGroupDetailsFragment.java b/app/src/main/java/org/thoughtcrime/securesms/groups/ui/creategroup/details/AddGroupDetailsFragment.java
index dba29f561a..052a3f9def 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/groups/ui/creategroup/details/AddGroupDetailsFragment.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/groups/ui/creategroup/details/AddGroupDetailsFragment.java
@@ -92,6 +92,7 @@ public class AddGroupDetailsFragment extends LoggingFragment {
     ImageView           avatar     = view.findViewById(R.id.group_avatar);
     View                mmsWarning = view.findViewById(R.id.mms_warning);
     LearnMoreTextView   gv2Warning = view.findViewById(R.id.gv2_warning);
+    View                addLater   = view.findViewById(R.id.add_later);
 
     avatarPlaceholder = VectorDrawableCompat.create(getResources(), R.drawable.ic_camera_outline_32_ultramarine, requireActivity().getTheme());
 
@@ -106,7 +107,10 @@ public class AddGroupDetailsFragment extends LoggingFragment {
     name.addTextChangedListener(new AfterTextChanged(editable -> viewModel.setName(editable.toString())));
     toolbar.setNavigationOnClickListener(unused -> callback.onNavigationButtonPressed());
     create.setOnClickListener(v -> handleCreateClicked());
-    viewModel.getMembers().observe(getViewLifecycleOwner(), members::setMembers);
+    viewModel.getMembers().observe(getViewLifecycleOwner(), list -> {
+      addLater.setVisibility(list.isEmpty() ? View.VISIBLE : View.GONE);
+      members.setMembers(list);
+    });
     viewModel.getCanSubmitForm().observe(getViewLifecycleOwner(), isFormValid -> setCreateEnabled(isFormValid, true));
     viewModel.getIsMms().observe(getViewLifecycleOwner(), isMms -> {
       mmsWarning.setVisibility(isMms ? View.VISIBLE : View.GONE);
diff --git a/app/src/main/res/layout/add_group_details_fragment.xml b/app/src/main/res/layout/add_group_details_fragment.xml
index 52bc13ed1f..ae15ea8c22 100644
--- a/app/src/main/res/layout/add_group_details_fragment.xml
+++ b/app/src/main/res/layout/add_group_details_fragment.xml
@@ -107,6 +107,19 @@
         app:layout_constraintTop_toBottomOf="@id/gv2_warning"
         app:layout_goneMarginTop="30dp" />
 
+    <TextView
+        android:id="@+id/add_later"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        android:text="@string/AddGroupDetailsFragment__you_can_add_or_invite_friends_after_creating_this_group"
+        android:textAppearance="@style/TextAppearance.Signal.Body2"
+        android:textColor="@color/signal_text_secondary"
+        android:visibility="gone"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/member_list_header" />
+
     <org.thoughtcrime.securesms.groups.ui.GroupMemberListView
         android:id="@+id/member_list"
         android:layout_width="match_parent"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 38dd131497..c188781c7c 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -703,6 +703,7 @@
     <string name="AddGroupDetailsFragment__create_group">Create group</string>
     <string name="AddGroupDetailsFragment__create">Create</string>
     <string name="AddGroupDetailsFragment__members">Members</string>
+    <string name="AddGroupDetailsFragment__you_can_add_or_invite_friends_after_creating_this_group">You can add or invite friends after creating this group.</string>
     <string name="AddGroupDetailsFragment__group_name_required">Group name (required)</string>
     <string name="AddGroupDetailsFragment__group_name_optional">Group name (optional)</string>
     <string name="AddGroupDetailsFragment__this_field_is_required">This field is required.</string>