增加匿名统计开关

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

@@ -1236,5 +1236,6 @@
     <string name="descending_order">降序</string>
     <string name="checking_update">检查更新中...</string>
     <string name="search_empty">没有内容哦</string>
+    <string name="firebase_enable_title">匿名统计</string>
 
 </resources>

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

@@ -1239,5 +1239,7 @@
     <string name="descending_order">降序</string>
     <string name="checking_update">检查更新中...</string>
     <string name="search_empty">没有内容哦</string>
+    <string name="firebase_enable_title">匿名统计</string>
+    <string name="firebase_enable_summary">允许应用使用Google Firebase进行崩溃和性能统计</string>
 
 </resources>

app/src/main/res/xml/pref_config_other.xml

@@ -66,6 +66,12 @@
         app:iconSpaceReserved="false"
         app:layout="@layout/view_preference_category">
 
+        <io.legato.kazusa.lib.prefs.SwitchPreference
+            android:defaultValue="true"
+            android:key="firebaseEnable"
+            android:summary="@string/firebase_enable_summary"
+            android:title="@string/firebase_enable_title" />
+
         <io.legato.kazusa.lib.prefs.Preference
             android:key="localPassword"
             android:summary="@string/set_local_password_summary"