1 files changed, 47 insertions, 0 deletions
diff --git a/ui/DarkTheme/Application/src/main/java/com/example/android/darktheme/SettingsFragment.java b/ui/DarkTheme/Application/src/main/java/com/example/android/darktheme/SettingsFragment.java
new file mode 100644
index 00000000..6402249b
--- /dev/null
+++ b/ui/DarkTheme/Application/src/main/java/com/example/android/darktheme/SettingsFragment.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2019 The Android Open Source 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.
+ */
+
+package com.example.android.darktheme;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceFragmentCompat;
+
+public class SettingsFragment extends PreferenceFragmentCompat {
+
+    static final String TAG = "SettingsFragmentTag";
+
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        setPreferencesFromResource(R.xml.preferences, rootKey);
+
+        ListPreference themePreference = findPreference("themePref");
+        if (themePreference != null) {
+            themePreference.setOnPreferenceChangeListener(
+                    new Preference.OnPreferenceChangeListener() {
+                        @Override
+                        public boolean onPreferenceChange(Preference preference, Object newValue) {
+                            String themeOption = (String) newValue;
+                            ThemeHelper.applyTheme(themeOption);
+                            return true;
+                        }
+                    });
+        }
+    }
+}