"All images" view for conversations

// FREEBIE

res/layout/media_overview_activity.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                xmlns:app="http://schemas.android.com/apk/res-auto"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:background="@color/gray95">
+
+    <android.support.v7.widget.RecyclerView
+            android:id="@+id/media_grid"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+    <TextView android:id="@+id/no_images"
+              android:layout_width="match_parent"
+              android:layout_height="wrap_content"
+              android:textColor="@android:color/white"
+              android:textStyle="italic"
+              android:textSize="24sp"
+              android:gravity="center_horizontal"
+              android:paddingTop="30dp"
+              android:visibility="gone"
+              android:text="@string/media_overview_activity__no_images" />
+
+</RelativeLayout>

res/layout/media_overview_item.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<org.thoughtcrime.securesms.components.SquareLinearLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+    <ImageView android:id="@+id/image"
+               android:layout_width="match_parent"
+               android:layout_height="match_parent"
+               android:scaleType="centerCrop"
+               android:contentDescription="@string/media_preview_activity__image_content_description" />
+
+</org.thoughtcrime.securesms.components.SquareLinearLayout>

res/menu/conversation.xml

@@ -2,11 +2,12 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
     <item android:title="@string/conversation__menu_add_attachment"
-          android:id="@+id/menu_add_attachment"
-          android:icon="@drawable/ic_menu_attach" />
+          android:id="@+id/menu_add_attachment" />
+
+    <item android:title="@string/conversation__menu_view_media"
+          android:id="@+id/menu_view_media" />
 
     <item android:title="@string/conversation__menu_delete_thread"
-          android:id="@+id/menu_delete_thread"
-          android:icon="@android:drawable/ic_menu_delete" />
+          android:id="@+id/menu_delete_thread" />
 
 </menu>

res/values-land/dimens.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <integer name="media_overview_cols">5</integer>
+</resources>

res/values/dimens.xml

@@ -14,4 +14,6 @@
     <dimen name="contact_selection_photo_size">50dp</dimen>
     <dimen name="thumbnail_max_size">230dp</dimen>
     <dimen name="preference_fragment_padding_side">8dp</dimen>
+
+    <integer name="media_overview_cols">3</integer>
 </resources>

res/values/strings.xml

@@ -526,6 +526,9 @@
     <string name="import_fragment__import_a_plaintext_backup_file">
         Import a plaintext backup file. Compatible with \'SMSBackup And Restore.\'</string>
 
+    <!-- media_overview_activity -->
+    <string name="media_overview_activity__no_images">No images</string>
+
     <!-- MmsPreferencesFragment -->
     <string name="MmsPreferencesFragment__manual_mms_settings_are_required">Manual MMS settings are required for your phone.</string>
     <string name="MmsPreferencesFragment__enabled">Enabled</string>
@@ -650,6 +653,8 @@
     <string name="AndroidManifest__complete_key_exchange">Complete key exchange</string>
     <string name="AndroidManifest__log_submit">Submit debug logs</string>
     <string name="AndroidManifest__media_preview">Media Preview</string>
+    <string name="AndroidManifest__media_overview">All images</string>
+    <string name="AndroidManifest__media_overview_named">All images with %1$s</string>
 
     <!-- arrays.xml -->
     <string name="arrays__import_export">Import / export</string>
@@ -823,6 +828,7 @@
     <string name="conversation__menu_update_group">Update group</string>
     <string name="conversation__menu_leave_group">Leave group</string>
     <string name="conversation__menu_delete_thread">Delete thread</string>
+    <string name="conversation__menu_view_media">All images</string>
 
     <!-- conversation_callable -->
     <string name="conversation_add_to_contacts__menu_add_to_contacts">Add to contacts</string>