Add slide animation to conversation list to archive.

app/src/main/java/org/thoughtcrime/securesms/conversationlist/ConversationListFragment.java

@@ -269,9 +269,6 @@ public class ConversationListFragment extends MainFragment implements ActionMode
       cameraFab = view.findViewById(R.id.camera_fab_old);
     }
 
-    Toolbar toolbar = getToolbar(view);
-    toolbar.setVisibility(View.VISIBLE);
-
     fab.show();
     cameraFab.show();
 

app/src/main/java/org/thoughtcrime/securesms/main/MainActivityListHostFragment.kt

@@ -39,6 +39,8 @@ import org.thoughtcrime.securesms.util.BottomSheetUtil
 import org.thoughtcrime.securesms.util.TopToastPopup
 import org.thoughtcrime.securesms.util.TopToastPopup.Companion.show
 import org.thoughtcrime.securesms.util.Util
+import org.thoughtcrime.securesms.util.runHideAnimation
+import org.thoughtcrime.securesms.util.runRevealAnimation
 import org.thoughtcrime.securesms.util.views.Stub
 import org.thoughtcrime.securesms.util.visible
 import org.whispersystems.signalservice.api.websocket.WebSocketConnectionState
@@ -147,16 +149,20 @@ class MainActivityListHostFragment : Fragment(R.layout.main_activity_list_host_f
   }
 
   private fun presentToolbarForConversationListFragment() {
+    if (_basicToolbar.resolved() && _basicToolbar.get().visible) {
+      _toolbar.runRevealAnimation(R.anim.slide_to_end)
+    }
+
     _toolbar.visible = true
     _searchAction.visible = true
     if (_basicToolbar.resolved()) {
-      _basicToolbar.get().visible = false
+      _basicToolbar.get().runHideAnimation(R.anim.slide_from_start)
     }
   }
 
   private fun presentToolbarForConversationListArchiveFragment() {
-    _toolbar.visible = false
-    _basicToolbar.get().visible = true
+    _toolbar.runHideAnimation(R.anim.slide_to_start)
+    _basicToolbar.get().runRevealAnimation(R.anim.slide_from_end)
   }
 
   private fun presentToolbarForStoriesLandingFragment() {

app/src/main/java/org/thoughtcrime/securesms/util/Views.kt

@@ -0,0 +1,27 @@
+package org.thoughtcrime.securesms.util
+
+import android.view.View
+import android.view.animation.AnimationUtils
+import androidx.annotation.AnimRes
+
+/**
+ * Runs the given animation on this view, assuming that the view is in an INVISIBLE or HIDDEN state.
+ */
+fun View.runRevealAnimation(@AnimRes anim: Int) {
+  animation = AnimationUtils.loadAnimation(context, anim)
+  visible = true
+}
+
+/**
+ * Runs the given animation on this view, assuming that the view is in a VISIBLE state and will
+ * hide on completion
+ */
+fun View.runHideAnimation(@AnimRes anim: Int) {
+  startAnimation(
+    AnimationUtils.loadAnimation(context, anim).apply {
+      setListeners(onAnimationEnd = {
+        visible = false
+      })
+    }
+  )
+}

app/src/main/res/navigation/main_activity_list.xml

@@ -7,10 +7,14 @@
     <fragment
         android:id="@+id/conversationListFragment"
         android:name="org.thoughtcrime.securesms.conversationlist.ConversationListFragment"
-        android:label="conversation_list_fragment" >
+        android:label="conversation_list_fragment">
         <action
             android:id="@+id/action_conversationListFragment_to_conversationListArchiveFragment"
-            app:destination="@id/conversationListArchiveFragment" />
+            app:destination="@id/conversationListArchiveFragment"
+            app:enterAnim="@anim/slide_from_end"
+            app:exitAnim="@anim/slide_to_start"
+            app:popEnterAnim="@anim/slide_to_end"
+            app:popExitAnim="@anim/slide_from_start" />
         <action
             android:id="@+id/action_conversationListFragment_to_storiesLandingFragment"
             app:destination="@id/storiesLandingFragment" />