initial location service implementation, adds a map activity

res/layout/activity_map.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v7.widget.LinearLayoutCompat 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="match_parent"
+    tools:context="com.b44t.messenger.map.MapActivity">
+
+    <com.mapbox.mapboxsdk.maps.MapView
+        android:id="@+id/mapView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        />
+
+
+</android.support.v7.widget.LinearLayoutCompat>

res/menu/conversation.xml

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    >
 
     <item android:title="@string/menu_view_profile"
           android:id="@+id/menu_conversation_settings"/>
@@ -10,4 +12,9 @@
     <item android:title="@string/menu_all_media"
           android:id="@+id/menu_view_media" />
 
+    <item android:id="@+id/menu_show_map"
+        android:title="@string/menu_show_map"
+        android:icon="?menu_map_icon"
+        app:showAsAction="ifRoom" />
+
 </menu>

res/values/attrs.xml

@@ -112,6 +112,7 @@
     <attr name="menu_lock_icon_small" format="reference" />
     <attr name="menu_trash_icon" format="reference" />
     <attr name="menu_group_icon" format="reference" />
+    <attr name="menu_map_icon" format="reference" />
     <attr name="menu_accept_icon" format="reference" />
     <attr name="menu_copy_icon" format="reference" />
     <attr name="menu_info_icon" format="reference" />

res/values/strings.xml

@@ -111,6 +111,7 @@
     <string name="menu_send">Send</string>
     <string name="menu_toggle_keyboard">Toggle emoji keyboard</string>
     <string name="menu_edit_group">Edit group</string>
+    <string name="menu_show_map">Show map</string>
     <string name="menu_archive_chat">Archive chat</string>
     <string name="menu_unarchive_chat">Unarchive chat</string>
     <string name="menu_add_attachment">Add attachment</string>
@@ -606,6 +607,7 @@
     <string name="menu.view.developer.open.log.folder">Open Log Folder</string>
     <string name="menu.view.developer.open.current.log.file">Open Current Logfile</string>
 
+    <string name="user_location_permission_explanation">Delta Chat needs the location permission in order to show and share your location.</string>
 
     <!-- deprecated on android, please remove if unused on desktop -->
     <!-- see qrscan_ask_join_group -->
@@ -619,4 +621,5 @@
     <!-- see qrshow_join_group_hint -->
     <string name="qrshow_join_verified_group_hint">Scan this to join the group \"%1$s\".</string>
 
+
 </resources>

res/values/themes.xml

@@ -186,6 +186,7 @@
 
         <item name="menu_new_conversation_icon">@drawable/ic_add_white_24dp</item>
         <item name="menu_group_icon">@drawable/ic_group_white_24dp</item>
+        <item name="menu_map_icon">@android:drawable/ic_dialog_map</item>
         <item name="menu_search_icon">@drawable/ic_search_white_24dp</item>
         <item name="menu_popup_expand">@drawable/ic_launch_white_24dp</item>
         <item name="menu_unlock_icon">@drawable/ic_unlocked_white_24dp</item>
@@ -331,6 +332,7 @@
 
         <item name="menu_new_conversation_icon">@drawable/ic_add_white_24dp</item>
         <item name="menu_group_icon">@drawable/ic_group_white_24dp</item>
+        <item name="menu_map_icon">@android:drawable/ic_dialog_map</item>
         <item name="menu_search_icon">@drawable/ic_search_white_24dp</item>
         <item name="menu_popup_expand">@drawable/ic_launch_white_24dp</item>
         <item name="menu_unlock_icon">@drawable/ic_unlocked_white_24dp</item>