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      1 /*
      2  * Copyright (C) 2016 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 package com.android.settings.accounts;
     17 
     18 import android.content.Context;
     19 import android.content.Intent;
     20 import android.content.pm.ResolveInfo;
     21 import android.content.pm.UserInfo;
     22 import android.content.res.Resources;
     23 import android.os.UserHandle;
     24 import android.os.UserManager;
     25 import android.support.v7.preference.Preference;
     26 import android.support.v7.preference.PreferenceScreen;
     27 
     28 import com.android.settings.R;
     29 import com.android.settings.core.PreferenceController;
     30 import com.android.settings.search.SearchIndexableRaw;
     31 
     32 import java.util.List;
     33 
     34 public class EmergencyInfoPreferenceController extends PreferenceController {
     35 
     36     private static final String KEY_EMERGENCY_INFO = "emergency_info";
     37     private static final String ACTION_EDIT_EMERGENCY_INFO = "android.settings.EDIT_EMERGENGY_INFO";
     38     private static final String PACKAGE_NAME_EMERGENCY = "com.android.emergency";
     39 
     40     public EmergencyInfoPreferenceController(Context context) {
     41         super(context);
     42     }
     43 
     44     @Override
     45     public void updateRawDataToIndex(List<SearchIndexableRaw> rawData) {
     46         if (isAvailable()) {
     47             SearchIndexableRaw data = new SearchIndexableRaw(mContext);
     48             final Resources res = mContext.getResources();
     49             data.title = res.getString(com.android.settings.R.string.emergency_info_title);
     50             data.screenTitle = res.getString(com.android.settings.R.string.emergency_info_title);
     51             rawData.add(data);
     52         }
     53     }
     54 
     55     public void updateState(Preference preference) {
     56         UserInfo info = mContext.getSystemService(UserManager.class).getUserInfo(
     57             UserHandle.myUserId());
     58         preference.setSummary(mContext.getString(R.string.emergency_info_summary, info.name));
     59     }
     60 
     61     @Override
     62     public boolean handlePreferenceTreeClick(Preference preference) {
     63         if (KEY_EMERGENCY_INFO.equals(preference.getKey())) {
     64             Intent intent = new Intent(ACTION_EDIT_EMERGENCY_INFO);
     65             intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
     66             mContext.startActivity(intent);
     67             return true;
     68         }
     69         return false;
     70     }
     71 
     72     @Override
     73     public boolean isAvailable() {
     74         Intent intent = new Intent(ACTION_EDIT_EMERGENCY_INFO).setPackage(PACKAGE_NAME_EMERGENCY);
     75         List<ResolveInfo> infos = mContext.getPackageManager().queryIntentActivities(intent, 0);
     76         return infos != null && !infos.isEmpty();
     77     }
     78 
     79     @Override
     80     public String getPreferenceKey() {
     81         return KEY_EMERGENCY_INFO;
     82     }
     83 }
     84