Media: grab some code from Riot legacy

vector/src/main/res/layout/dialog_export_e2e_keys.xml

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/layout_root"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:paddingStart="?dialogPreferredPadding"
+    android:paddingLeft="?dialogPreferredPadding"
+    android:paddingTop="12dp"
+    android:paddingEnd="?dialogPreferredPadding"
+    android:paddingRight="?dialogPreferredPadding"
+    android:paddingBottom="12dp">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/encryption_export_notice"
+        android:textSize="16sp" />
+
+    <android.support.design.widget.TextInputLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:textColorHint="?attr/vctr_default_text_hint_color">
+
+        <android.support.design.widget.TextInputEditText
+            android:id="@+id/dialog_e2e_keys_passphrase_edit_text"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/passphrase_create_passphrase"
+            android:inputType="textPassword"
+            android:textColor="?android:textColorPrimary" />
+
+    </android.support.design.widget.TextInputLayout>
+
+
+    <android.support.design.widget.TextInputLayout
+        android:id="@+id/dialog_e2e_keys_confirm_passphrase_til"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="10dp"
+        android:textColorHint="?attr/vctr_default_text_hint_color"
+        app:errorEnabled="true">
+
+        <android.support.design.widget.TextInputEditText
+            android:id="@+id/dialog_e2e_keys_confirm_passphrase_edit_text"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/passphrase_confirm_passphrase"
+            android:inputType="textPassword"
+            android:textColor="?android:textColorPrimary" />
+
+    </android.support.design.widget.TextInputLayout>
+
+    <Button
+        android:id="@+id/dialog_e2e_keys_export_button"
+        style="@style/VectorButtonStyle"
+        android:layout_width="match_parent"
+        android:enabled="false"
+        android:text="@string/encryption_export_export" />
+</LinearLayout>

vector/src/main/res/layout/fragment_room_detail.xml

@@ -93,6 +93,17 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent">
 
+        <ImageButton
+            android:id="@+id/attachmentButton"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:layout_centerVertical="true"
+            android:layout_toStartOf="@id/sendButton"
+            android:layout_toLeftOf="@id/sendButton"
+            android:background="?android:attr/selectableItemBackground"
+            android:src="@drawable/ic_attach_file_white"
+            android:tint="?attr/colorAccent" />
+
         <ImageButton
             android:id="@+id/sendButton"
             android:layout_width="48dp"
@@ -111,8 +122,8 @@
             android:layout_alignParentStart="true"
             android:layout_alignParentLeft="true"
             android:layout_centerVertical="true"
-            android:layout_toStartOf="@id/sendButton"
-            android:layout_toLeftOf="@id/sendButton"
+            android:layout_toStartOf="@id/attachmentButton"
+            android:layout_toLeftOf="@id/attachmentButton"
             android:background="@android:color/transparent"
             android:gravity="center_vertical"
             android:hint="@string/room_message_placeholder_not_encrypted"

vector/src/main/res/layout/item_dialog.xml

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright 2019 New Vector Ltd
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~ http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:minHeight="48dp"
+    android:paddingLeft="8dp"
+    android:paddingRight="8dp">
+
+    <!-- Do not use drawableStart for icon size and for RTL -->
+    <ImageView
+        android:id="@+id/adapter_item_dialog_icon"
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        android:rotationY="@integer/rtl_mirror_flip"
+        android:tint="?attr/colorAccent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:src="@drawable/video_call_green" />
+
+    <TextView
+        android:id="@+id/adapter_item_dialog_text"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginLeft="16dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp"
+        android:textSize="20sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/adapter_item_dialog_icon"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@string/action_video_call" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>