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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.emergency.edit;
     17 
     18 import android.app.Activity;
     19 import android.app.Fragment;
     20 import android.content.Intent;
     21 import android.net.Uri;
     22 import android.os.Bundle;
     23 import android.preference.Preference;
     24 import android.preference.PreferenceFragment;
     25 import android.provider.ContactsContract;
     26 
     27 import com.android.emergency.PreferenceKeys;
     28 import com.android.emergency.R;
     29 import com.android.emergency.preferences.EmergencyContactsPreference;
     30 
     31 /**
     32  * Fragment that displays emergency contacts. These contacts can be added or removed.
     33  */
     34 public class EditEmergencyContactsFragment extends PreferenceFragment {
     35 
     36     /** Result code for contact picker */
     37     private static final int CONTACT_PICKER_RESULT = 1001;
     38 
     39     /** The category that holds the emergency contacts. */
     40     private EmergencyContactsPreference mEmergencyContactsPreferenceCategory;
     41 
     42     @Override
     43     public void onCreate(Bundle savedInstanceState) {
     44         super.onCreate(savedInstanceState);
     45         addPreferencesFromResource(R.xml.edit_emergency_contacts);
     46         mEmergencyContactsPreferenceCategory = (EmergencyContactsPreference)
     47                 findPreference(PreferenceKeys.KEY_EMERGENCY_CONTACTS);
     48 
     49         Preference addEmergencyContact = findPreference(PreferenceKeys.KEY_ADD_CONTACT);
     50         addEmergencyContact.setOnPreferenceClickListener(new Preference
     51                 .OnPreferenceClickListener() {
     52             @Override
     53             public boolean onPreferenceClick(Preference preference) {
     54                 // By using ContactsContract.CommonDataKinds.Phone.CONTENT_URI, the user is
     55                 // presented with a list of contacts, with one entry per phone number.
     56                 // The selected contact is guaranteed to have a name and phone number.
     57                 Intent contactPickerIntent = new Intent(Intent.ACTION_PICK,
     58                         ContactsContract.CommonDataKinds.Phone.CONTENT_URI);
     59                 startActivityForResult(contactPickerIntent,
     60                         CONTACT_PICKER_RESULT);
     61                 return true;
     62             }
     63         });
     64 
     65     }
     66 
     67     @Override
     68     public void onResume() {
     69         super.onResume();
     70         reloadFromPreference();
     71     }
     72 
     73     /** Reloads the contacts by reading the value from the shared preferences. */
     74     public void reloadFromPreference() {
     75         if (mEmergencyContactsPreferenceCategory != null) {
     76             mEmergencyContactsPreferenceCategory.reloadFromPreference();
     77         }
     78     }
     79 
     80     @Override
     81     public void onActivityResult(int requestCode, int resultCode, Intent data) {
     82         if (requestCode == CONTACT_PICKER_RESULT && resultCode == Activity.RESULT_OK) {
     83             Uri uri = data.getData();
     84             mEmergencyContactsPreferenceCategory.addNewEmergencyContact(uri);
     85         }
     86     }
     87 
     88     public static Fragment newInstance() {
     89         return new EditEmergencyContactsFragment();
     90     }
     91 }
     92