WIP

app/src/main/res/drawable/input_bar_button_background.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ripple
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:color="@color/accent">
+
+    <item>
+        <shape android:shape="oval">
+            <solid android:color="@color/input_bar_button_background" />
+        </shape>
+    </item>
+</ripple>

app/src/main/res/layout/view_input_bar.xml

@@ -1,6 +1,7 @@
 <?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:layout_width="match_parent"
     android:layout_height="@dimen/input_bar_height"
     android:orientation="vertical">
@@ -14,24 +15,49 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
-        <View
+        <RelativeLayout
-            android:layout_width="24dp"
+            android:layout_width="40dp"
-            android:layout_height="24dp"
+            android:layout_height="40dp"
             android:layout_alignParentStart="true"
-            android:background="@color/red" />
+            android:layout_centerVertical="true"
+            android:layout_marginStart="@dimen/small_spacing"
+            android:background="@drawable/input_bar_button_background">
+
+            <ImageView
+                android:layout_width="16dp"
+                android:layout_height="16dp"
+                android:scaleType="centerInside"
+                android:layout_centerInParent="true"
+                android:src="@drawable/ic_plus_24"
+                app:tint="@color/text" />
+
+        </RelativeLayout>
 
         <TextView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_centerInParent="true"
-            android:layout_marginStart="24dp"
+            android:layout_marginStart="56dp"
-            android:layout_marginEnd="24dp" />
+            android:layout_marginEnd="56dp"
+            android:background="@color/red" />
 
-        <View
+        <RelativeLayout
-            android:layout_width="24dp"
+            android:layout_width="40dp"
-            android:layout_height="24dp"
+            android:layout_height="40dp"
             android:layout_alignParentEnd="true"
-            android:background="@color/blue" />
+            android:layout_centerVertical="true"
+            android:layout_marginEnd="@dimen/small_spacing"
+            android:background="@drawable/input_bar_button_background">
+
+            <ImageView
+                android:layout_width="16dp"
+                android:layout_height="16dp"
+                android:scaleType="centerInside"
+                android:layout_centerInParent="true"
+                android:src="@drawable/ic_microphone"
+                app:tint="@color/text" />
+
+        </RelativeLayout>
 
     </RelativeLayout>
 

app/src/main/res/values-notnight-v21/colors.xml

@@ -21,6 +21,7 @@
     <color name="open_group_chip_color">#0D000000</color>
     <color name="message_selected">#FFFFFF</color>
     <color name="input_bar_background">#FCFCFC</color>
+    <color name="input_bar_button_background">#0D000000</color>
 
     <color name="default_background_start">#ffffff</color>
     <color name="default_background_end">#fcfcfc</color>

app/src/main/res/values/colors.xml

@@ -28,6 +28,7 @@
     <color name="open_group_chip_color">#0DFFFFFF</color>
     <color name="message_selected">#000000</color>
     <color name="input_bar_background">#171717</color>
+    <color name="input_bar_button_background">#0DFFFFFF</color>
 
     <array name="profile_picture_placeholder_colors">
         <item>#5ff8b0</item>

app/src/main/res/values/dimens.xml

@@ -36,7 +36,7 @@
     <dimen name="path_row_height">56dp</dimen>
     <dimen name="path_row_dot_size">8dp</dimen>
     <dimen name="path_row_expanded_dot_size">16dp</dimen>
-    <dimen name="input_bar_height">64dp</dimen>
+    <dimen name="input_bar_height">56dp</dimen>
 
     <!-- Distances -->
     <dimen name="small_spacing">8dp</dimen>

app/src/main/res/values/styles.xml

@@ -68,7 +68,7 @@
         <item name="android:fontFamily">sans-serif-medium</item>
         <!-- Helps to get rid of nasty elevation. We want a flat style here. -->
         <!-- https://stackoverflow.com/a/31003693/3802890 -->
-        <item name ="android:stateListAnimator">@null</item>
+        <item name="android:stateListAnimator">@null</item>
     </style>
 
     <style name="Widget.Session.Button.Common.ProminentFilled">