Cherish: FOD icon picker [2/2]

* Adapt for CherishOS support
* Add a footer to explain how users can add their own icons

res/xml/cherish_settings_fod_picker.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2020 CherishOS Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res/com.android.settings"
+    android:title="@string/fod_icon_picker_title">
+
+    <!-- Preview -->
+    <com.cherish.settings.preferences.FODIconPicker
+        android:key="fod_icon"
+        android:layout="@layout/fod_picker_preference"
+        android:selectable="false"/>
+
+</PreferenceScreen>

res/xml/cherish_settings_lockscreen.xml

@@ -93,6 +93,21 @@
             settings:interval="5"
             android:defaultValue="100"/>
   </PreferenceCategory>
+
+  <!-- FOD -->
+    <PreferenceCategory
+        android:key="fod"
+        android:title="@string/fod_title">
+
+   <!-- FOD icon picker -->
+    <Preference
+        android:key="fod_icon_picker_category"
+        android:icon="@drawable/ic_fingerprint"
+        android:title="@string/fod_icon_picker_title"
+        android:summary="@string/fod_icon_picker_summary"
+        android:fragment="com.cherish.settings.fragments.FODIconPickerFragment" />
+   </PreferenceCategory>
+
     <SwitchPreference
         android:key="fingerprint_success_vib"
         android:icon="@drawable/ic_fingerprint"

res/xml/cherish_settings_volume.xml

@@ -17,4 +17,4 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res/com.android.settings">
 
-</PreferenceScreen>
+</PreferenceScreen>