Added adaptive icons (#64)

* Reformatted color values

* Added adaptive icons support (API 26+)
Changed legacy icons to reflect the change
    Added missing round legacy icon

app/src/main/AndroidManifest.xml

@@ -6,8 +6,9 @@
     <application
         android:allowBackup="true"
         android:fullBackupContent="true"
-        android:icon="@drawable/ic_launcher"
+        android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
         android:theme="@style/AppTheme">
         <activity
             android:name=".MainActivity"

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

@@ -0,0 +1,16 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="1347.3684"
+    android:viewportHeight="1347.3684">
+  <group android:translateX="417.6842"
+      android:translateY="417.6842">
+    <path
+        android:pathData="M255.948,0.004C233.159,55.876 219.414,92.422 194.042,146.633 209.599,163.123 228.693,182.326 259.702,204.014 226.364,190.295 203.624,176.522 186.629,162.23 154.158,229.987 103.284,326.503 0.045,512.002 81.188,465.157 144.087,436.277 202.707,425.257 200.19,414.43 198.759,402.72 198.856,390.501l0.096,-2.599c1.288,-51.986 28.331,-91.963 60.365,-89.248 32.035,2.714 56.935,47.083 55.648,99.068 -0.242,9.782 -1.345,19.192 -3.273,27.92 57.983,11.343 120.211,40.149 200.255,86.36 -15.783,-29.058 -29.871,-55.251 -43.324,-80.198 -21.191,-16.425 -43.295,-37.801 -88.382,-60.943 30.99,8.053 53.179,17.343 70.474,27.728C313.931,143.92 302.854,110.08 255.948,0.004Z"
+        android:strokeWidth="1.48405087"
+        android:fillColor="#ffffff"
+        android:strokeColor="#00000000"
+        android:fillType="evenOdd"
+        android:fillAlpha="1"/>
+  </group>
+</vector>

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

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<com.google.android.material.appbar.AppBarLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<com.google.android.material.appbar.AppBarLayout 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="wrap_content"
@@ -10,10 +9,10 @@
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:background="@color/wikiHeader"
+        android:background="@color/colorPrimaryDark"
         android:minHeight="?attr/actionBarSize"
         app:layout_scrollFlags="scroll|enterAlways"
-        app:popupTheme="@style/AppTheme.PopupOverlay"/>
+        app:popupTheme="@style/AppTheme.PopupOverlay" />
 
     <FrameLayout
         android:layout_width="match_parent"
@@ -22,18 +21,18 @@
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="5dp"
-            android:background="@color/wikiBottomBar"
-            app:layout_scrollFlags="scroll|enterAlways"/>
+            android:background="@color/colorPrimary"
+            app:layout_scrollFlags="scroll|enterAlways" />
 
         <ProgressBar
             android:id="@+id/progress_bar"
-            android:theme="@style/AppTheme.LinearProgress"
             style="@style/Widget.AppCompat.ProgressBar.Horizontal"
             android:layout_width="match_parent"
-            android:layout_gravity="center"
             android:layout_height="30dp"
-            android:visibility="gone"
-            android:indeterminate="true"/>
+            android:layout_gravity="center"
+            android:indeterminate="true"
+            android:theme="@style/AppTheme.LinearProgress"
+            android:visibility="gone" />
 
     </FrameLayout>
 

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

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

@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">#0288d1</color>
+
+    <color name="colorPrimary">@color/archBlue</color>
     <color name="colorPrimaryDark">#272727</color>
-    <color name="colorAccent">#2196f3</color>
+    <color name="colorAccent">@color/colorPrimary</color>
 
-    <color name="white">#ffffff</color>
-    <color name="gray">#ccc</color>
-    <color name="wikiHeader">#333</color>
-    <color name="wikiBottomBar">#08c</color>
+    <color name="archBlue">#1793D1</color>
+    <color name="white">#FFFFFF</color>
+    <color name="gray">#CCCCCC</color>
 
 </resources>

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

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">@color/archBlue</color>
+</resources>

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

@@ -13,7 +13,7 @@
     <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
 
     <style name="AppTheme.LinearProgress" parent="Theme.AppCompat.Light">
-        <item name="colorAccent">@color/wikiBottomBar</item>
+        <item name="colorAccent">@color/colorAccent</item>
         <item name="android:background">@color/white</item>
     </style>