Messaging screen, units setting, turn pill, messaging app support

gearslip/src/debug/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Debug-only override of the main icon foreground, to go with the yellow debug background:
+     a charcoal gear rather than light grey, and a yellow centre hole to match the background
+     instead of the release icon's near-black. -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M 66.69,49.48 L 80.91,52.61 L 82.31,42.81 L 66.92,47.91 Z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:type="linear"
+                android:startX="66.80"
+                android:startY="48.70"
+                android:endX="81.61"
+                android:endY="47.71">
+                <item android:offset="0" android:color="#00E5484D"/>
+                <item android:offset="1" android:color="#E5484D"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:pathData="M 54.00,36.18 L 58.64,30.70 L 67.20,34.24 L 66.60,41.40 L 71.82,54.00 L 77.30,58.64 L 73.76,67.20 L 66.60,66.60 L 66.60,66.60 L 67.20,73.76 L 58.64,77.30 L 54.00,71.82 L 54.00,71.82 L 49.36,77.30 L 40.80,73.76 L 41.40,66.60 L 41.40,66.60 L 34.24,67.20 L 30.70,58.64 L 36.18,54.00 L 36.18,54.00 L 30.70,49.36 L 34.24,40.80 L 41.40,41.40 L 41.40,41.40 L 40.80,34.24 L 49.36,30.70 L 54.00,36.18 Z"
+        android:fillColor="#2E3033"/>
+    <path
+        android:pathData="M 78.61,40.70 L 85.31,43.29 L 84.74,52.55 L 77.78,54.31 Z"
+        android:fillColor="#E5484D"/>
+    <path
+        android:pathData="M54,46.08 A7.92,7.92 0 1,1 53.99,46.08 Z"
+        android:fillColor="#e6b400"/>
+</vector>