From c85095679d8528c7306a3703443d9491d5a07f42 Mon Sep 17 00:00:00 2001
From: Lictex Steaven <lictex_steaven@outlook.com>
Date: Tue, 12 Nov 2019 22:18:39 +0800
Subject: [PATCH] add support for system night mode

---
 .../osuplayer/activity/MainActivity.java      | 25 ++++++++++++++++++-
 .../activity/PreferenceFragment.java          |  3 +--
 app/src/main/res/values/arrays.xml            | 13 ++++++++++
 app/src/main/res/values/strings.xml           |  7 ++++--
 app/src/main/res/values/styles.xml            |  6 +++++
 app/src/main/res/xml/preference.xml           | 13 +++++-----
 6 files changed, 56 insertions(+), 11 deletions(-)
 create mode 100644 app/src/main/res/values/arrays.xml

diff --git a/app/src/main/java/pw/lictex/osuplayer/activity/MainActivity.java b/app/src/main/java/pw/lictex/osuplayer/activity/MainActivity.java
index ce37960..0bd02e7 100644
--- a/app/src/main/java/pw/lictex/osuplayer/activity/MainActivity.java
+++ b/app/src/main/java/pw/lictex/osuplayer/activity/MainActivity.java
@@ -4,6 +4,7 @@
 import android.animation.*;
 import android.content.*;
 import android.content.pm.*;
+import android.content.res.*;
 import android.graphics.*;
 import android.graphics.drawable.*;
 import android.os.*;
@@ -90,7 +91,29 @@ public void onBackPressed() {
     protected void onCreate(Bundle savedInstanceState) {
         if (savedInstanceState != null) savedInstanceState.remove("android:support:fragments");
         super.onCreate(savedInstanceState);
-        setTheme(PreferenceManager.getDefaultSharedPreferences(this).getBoolean("use_light_theme", false) ? R.style.LightTheme : R.style.DarkTheme);
+
+        String theme = PreferenceManager.getDefaultSharedPreferences(this).getString("theme", "dark");
+        switch (theme) {
+            case "default":
+                switch (getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK) {
+                    case Configuration.UI_MODE_NIGHT_YES:
+                        setTheme(R.style.DarkTheme);
+                        break;
+                    case Configuration.UI_MODE_NIGHT_UNDEFINED:
+                    case Configuration.UI_MODE_NIGHT_NO:
+                        setTheme(R.style.LightTheme);
+                        break;
+                }
+                break;
+            case "light":
+                setTheme(R.style.LightTheme);
+                break;
+            default:
+            case "dark":
+                setTheme(R.style.DarkTheme);
+                break;
+        }
+
         setContentView(R.layout.activity_home);
         ButterKnife.bind(this);
 
diff --git a/app/src/main/java/pw/lictex/osuplayer/activity/PreferenceFragment.java b/app/src/main/java/pw/lictex/osuplayer/activity/PreferenceFragment.java
index 971b1f0..9d9763c 100644
--- a/app/src/main/java/pw/lictex/osuplayer/activity/PreferenceFragment.java
+++ b/app/src/main/java/pw/lictex/osuplayer/activity/PreferenceFragment.java
@@ -36,8 +36,7 @@ public class PreferenceFragment extends PreferenceFragmentCompat {
                 activity.getPlayerService().rebuildNotification();
                 activity.updateStatus();
                 break;
-            case "use_light_theme":
-                activity.setTheme(sharedPreference.getBoolean("use_light_theme", false) ? R.style.LightTheme : R.style.DarkTheme);
+            case "theme":
                 activity.recreate();
                 break;
         }
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
new file mode 100644
index 0000000..502f2ce
--- /dev/null
+++ b/app/src/main/res/values/arrays.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string-array name="ui_mode">
+        <item>@string/pref_theme_array_default</item>
+        <item>@string/pref_theme_array_dark</item>
+        <item>@string/pref_theme_array_light</item>
+    </string-array>
+    <string-array name="ui_mode_value">
+        <item>default</item>
+        <item>dark</item>
+        <item>light</item>
+    </string-array>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index da71754..1063d0c 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -18,8 +18,11 @@
     <string name="pref_rebuild_database_summary">如果添加或删除了歌曲</string>
     <string name="pref_use_unicode_metadata_title">使用原语言显示歌曲信息</string>
     <string name="pref_use_unicode_metadata_summary">仅在文件中包含这些信息时</string>
-    <string name="pref_use_light_theme_title">浅色模式</string>
-    <string name="pref_use_light_theme_summary">使用白色作为界面背景</string>
+    <string name="pref_theme_title">主题</string>
+    <string name="pref_theme_array_default">跟随系统</string>
+    <string name="pref_theme_array_dark">深色</string>
+    <string name="pref_theme_array_light">浅色</string>
+    <string name="pref_theme_summary">更改背景颜色模式</string>
 
     <string name="pref_category_player">播放器</string>
     <string name="pref_audio_latency_title">音频延迟</string>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index a635164..1d97633 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -48,11 +48,17 @@
     <style name="DarkDialog" parent="Theme.AppCompat.Dialog.Alert">
         <item name="android:colorBackground">@color/backgroundColorDark</item>
         <item name="android:textColor">@color/textColorDark</item>
+        <item name="textColorAlertDialogListItem">@color/textColorDark</item>
+        <item name="colorAccent">@color/textColorDark</item>
+        <item name="android:textColorSecondary">@color/textColorDark</item>
     </style>
 
     <style name="LightDialog" parent="Theme.AppCompat.Dialog.Alert">
         <item name="android:colorBackground">@color/backgroundColorLight</item>
         <item name="android:textColor">@color/textColorLight</item>
+        <item name="textColorAlertDialogListItem">@color/textColorLight</item>
+        <item name="colorAccent">@color/textColorLight</item>
+        <item name="android:textColorSecondary">@color/textColorLight</item>
     </style>
 
     <style name="DarkEditText" parent="android:style/Widget.EditText">
diff --git a/app/src/main/res/xml/preference.xml b/app/src/main/res/xml/preference.xml
index 22e0181..5032eb1 100644
--- a/app/src/main/res/xml/preference.xml
+++ b/app/src/main/res/xml/preference.xml
@@ -26,13 +26,14 @@
             android:title="@string/pref_use_unicode_metadata_title"
             android:widgetLayout="@layout/item_preference_checkbox" />
 
-        <CheckBoxPreference
-            android:defaultValue="false"
-            android:key="use_light_theme"
+        <ListPreference
+            android:defaultValue="dark"
+            android:entries="@array/ui_mode"
+            android:entryValues="@array/ui_mode_value"
+            android:key="theme"
             android:layout="@layout/item_preference"
-            android:summary="@string/pref_use_light_theme_summary"
-            android:title="@string/pref_use_light_theme_title"
-            android:widgetLayout="@layout/item_preference_checkbox" />
+            android:summary="@string/pref_theme_summary"
+            android:title="@string/pref_theme_title" />
     </PreferenceCategory>
 
     <PreferenceCategory