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      1 /*
      2  * Copyright (C) 2017 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.deviceinfo.firmwareversion;
     18 
     19 import android.app.Fragment;
     20 import android.content.Context;
     21 import android.os.Build;
     22 import android.support.v7.preference.Preference;
     23 import android.support.v7.preference.PreferenceScreen;
     24 import android.text.TextUtils;
     25 
     26 import com.android.settings.core.PreferenceControllerMixin;
     27 import com.android.settingslib.core.AbstractPreferenceController;
     28 
     29 public class FirmwareVersionPreferenceController extends AbstractPreferenceController implements
     30         PreferenceControllerMixin {
     31 
     32     private final static String FIRMWARE_VERSION_KEY = "firmware_version";
     33 
     34     private final Fragment mFragment;
     35 
     36     public FirmwareVersionPreferenceController(Context context, Fragment fragment) {
     37         super(context);
     38 
     39         mFragment = fragment;
     40     }
     41 
     42     @Override
     43     public boolean isAvailable() {
     44         return true;
     45     }
     46 
     47     @Override
     48     public void displayPreference(PreferenceScreen screen) {
     49         super.displayPreference(screen);
     50         final Preference pref = screen.findPreference(getPreferenceKey());
     51         if (pref != null) {
     52             pref.setSummary(Build.VERSION.RELEASE);
     53         }
     54     }
     55 
     56     @Override
     57     public String getPreferenceKey() {
     58         return FIRMWARE_VERSION_KEY;
     59     }
     60 
     61     @Override
     62     public boolean handlePreferenceTreeClick(Preference preference) {
     63         if (!TextUtils.equals(preference.getKey(), getPreferenceKey())) {
     64             return false;
     65         }
     66 
     67         FirmwareVersionDialogFragment.show(mFragment);
     68         return true;
     69     }
     70 }
     71