Add pro version

app/src/main/res/drawable/ic_local_play_white_24dp.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:viewportHeight="24.0" android:viewportWidth="24.0" android:width="24dp">
+    <path android:fillColor="#FFFFFF" android:pathData="M20,12c0,-1.1 0.9,-2 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2L4,4c-1.1,0 -1.99,0.9 -1.99,2v4c1.1,0 1.99,0.9 1.99,2s-0.89,2 -2,2v4c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2v-4c-1.1,0 -2,-0.9 -2,-2zM15.58,16.8L12,14.5l-3.58,2.3 1.08,-4.12 -3.29,-2.69 4.24,-0.25L12,5.8l1.54,3.95 4.24,0.25 -3.29,2.69 1.09,4.11z"/>
+</vector>

app/src/main/res/menu/menu_drawer.xml

@@ -17,10 +17,6 @@
     <group
         android:id="@+id/navigation_drawer_menu_category_other"
         android:checkableBehavior="none">
-        <item
-            android:id="@+id/support_development"
-            android:icon="@drawable/ic_favorite_white_24dp"
-            android:title="@string/support_development" />
         <item
             android:id="@+id/nav_settings"
             android:icon="@drawable/ic_settings_white_24dp"
@@ -31,4 +27,13 @@
             android:title="@string/action_about" />
     </group>
 
+    <group
+        android:id="@+id/navigation_drawer_menu_category_buy_pro"
+        android:checkableBehavior="none">
+        <item
+            android:id="@+id/buy_pro"
+            android:icon="@drawable/ic_local_play_white_24dp"
+            android:title="@string/buy_pro" />
+    </group>
+
 </menu>

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

@@ -222,8 +222,10 @@
     <string name="permission_external_storage_denied">Permission to access external storage denied.</string>
     <string name="back">back</string>
     <string name="support_development">Support development</string>
+    <string name="buy_pro">Buy Phonograph Pro</string>
     <string name="thank_you">Thank you!</string>
-    <string name="restored_previous_purchases">Restored previous purchases.</string>
+    <string name="thanks_for_purchasing_phonograph_please_restart">Thanks for purchasing Phonograph Pro! Please restart the app to make use of the new features.</string>
+    <string name="restored_previous_purchases_please_restart">Restored previous purchases. Please restart the app to make use of all features.</string>
     <string name="play_store_illustration_by">Play Store illustration by</string>
     <string name="version">Version</string>
     <string name="application">Application</string>
@@ -249,6 +251,7 @@
     <string name="aleksandar_tesic_summary">For helping me with the design.</string>
     <string name="website">Website</string>
     <string name="loading_products">Loading products…</string>
+    <string name="loading_price">Loading price…</string>
     <string name="up_next">Up next</string>
     <string name="pref_title_now_playing_screen_appearance">Appearance</string>
     <string name="intro_label">Introduction</string>
@@ -303,4 +306,9 @@
     <string name="playlist_is_empty">Playlist is empty</string>
     <string name="playing_notification_description">The playing notification provides actions for play/pause etc.</string>
     <string name="playing_notification_name">Playing notification</string>
+    <string name="buy">Buy</string>
+    <string name="only_the_first_5_colors_available">Only the first 5 colors are available in the free version.</string>
+    <string name="black_theme_is_a_pro_feature">The black theme is Phonograph Pro feature.</string>
+    <string name="sleep_timer_is_a_pro_feature">Sleep timer is a Phonograph Pro feature</string>
+    <string name="folder_view_is_a_pro_feature">Folder view is a Phonograph Pro feature.</string>
 </resources>