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      1 /*
      2  * Copyright (C) 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.settings.display;
     18 
     19 import android.content.Context;
     20 import android.support.v7.preference.Preference;
     21 import com.android.internal.app.ColorDisplayController;
     22 import com.android.settings.R;
     23 import com.android.settings.core.BasePreferenceController;
     24 import com.android.settingslib.widget.FooterPreference;
     25 
     26 public class NightDisplayFooterPreferenceController extends BasePreferenceController {
     27 
     28     public NightDisplayFooterPreferenceController(Context context) {
     29         super(context, FooterPreference.KEY_FOOTER);
     30     }
     31 
     32     @Override
     33     public int getAvailabilityStatus() {
     34         return ColorDisplayController.isAvailable(mContext) ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
     35     }
     36 
     37     @Override
     38     public void updateState(Preference preference) {
     39         preference.setTitle(R.string.night_display_text);
     40     }
     41 }
     42