Added option to download page or set page as cover (#481)

* Added option to download page or set page as cover

* Removed network call now copies from page image

* Format fix + notification feedback

* Added code to prevent OutOfMemory error.  Made notification optional. Can now save image on long press. Bug fixes

* Now uses glide for notification

* Fixed webtoon page

* Fixes + API 16 support

* fixes

* Fixed API 24 FileProvider error

* Added page.ready check

* Indention

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

@@ -176,4 +176,16 @@
         <item>3</item>
     </string-array>
 
+    <string-array name="reader_image_options">
+        <item>@string/set_as_cover</item>
+        <item>@string/action_share</item>
+        <item>@string/action_save</item>
+    </string-array>
+
+    <string-array name="reader_image_options_values">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+    </string-array>
+
 </resources>

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

@@ -48,7 +48,6 @@
     <string name="pref_download_only_over_wifi_key">pref_download_only_over_wifi_key</string>
     <string name="pref_remove_after_marked_as_read_key">pref_remove_after_marked_as_read_key</string>
     <string name="pref_category_remove_after_read_key">pref_category_remove_after_read_key</string>
-
     <string name="pref_last_used_category_key">last_used_category</string>
 
     <string name="pref_source_languages">pref_source_languages</string>

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

@@ -62,6 +62,7 @@
     <string name="action_sort">Sort</string>
     <string name="action_install">Install</string>
     <string name="action_share">Share</string>
+    <string name="action_save">Save</string>
 
     <!-- Operations -->
     <string name="deleting">Deleting…</string>
@@ -224,7 +225,6 @@
     <string name="manga_info_status_label">Status</string>
     <string name="manga_info_source_label">Source</string>
     <string name="manga_info_genres_label">Genres</string>
-    <string name="share_subject">Share…</string>
     <string name="share_text">Check out %1$s! at %2$s</string>
     <string name="circular_icon">Circular icon</string>
     <string name="rounded_icon">Rounded icon</string>
@@ -272,9 +272,16 @@
     <string name="dialog_remove_recently_description">This will remove the read date of this chapter. Are you sure?</string>
     <string name="dialog_remove_recently_reset">Reset all chapters for this manga</string>
 
+    <!-- Image notifier -->
+    <string name="picture_saved">Picture saved</string>
+    <string name="saving_picture">Saving picture</string>
+    <string name="options">Options</string>
 
     <!-- Reader activity -->
     <string name="custom_filter">Custom filter</string>
+    <string name="set_as_cover">Set as cover</string>
+    <string name="cover_updated">Cover updated</string>
+    <string name="page_downloaded">Page copied to %1$s</string>
     <string name="downloading">Downloading…</string>
     <string name="download_progress">Downloaded %1$d%%</string>
     <string name="chapter_progress">Page: %1$d</string>
@@ -305,6 +312,7 @@
     <string name="notification_no_new_chapters">No new chapters found</string>
     <string name="notification_new_chapters">New chapters found for:</string>
     <string name="notification_manga_update_failed">Failed to update manga:</string>
+    <string name="notification_cover_update_failed">Failed to update cover</string>
     <string name="notification_first_add_to_library">Please add the manga to your library before doing this</string>
     <string name="notification_not_connected_to_ac_title">Sync canceled</string>
     <string name="notification_not_connected_to_ac_body">Not connected to AC power</string>