Cherish:Add pref for qs brightness slider position [2/2]

Signed-off-by: Hưng Phan <phandinhhungvp2001@gmail.com>

src/com/cherish/settings/fragments/BrightnessSliderSettings.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2020 CherishOS
+ *
+ * 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.cherish.settings.fragments;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.provider.Settings;
+
+import androidx.preference.ListPreference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+
+import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class BrightnessSliderSettings extends SettingsPreferenceFragment implements
+        Preference.OnPreferenceChangeListener {
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.brightness_slider);
+        final Resources res = getResources();
+        final ContentResolver resolver = getActivity().getContentResolver();
+        final PreferenceScreen prefScreen = getPreferenceScreen();
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        final ContentResolver resolver = getContentResolver();
+        return false;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.CHERISH_SETTINGS;
+    }
+
+}