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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.ActivityNotFoundException;
     21 import android.content.Intent;
     22 import android.net.Uri;
     23 import android.os.Bundle;
     24 import android.preference.Preference;
     25 import android.preference.PreferenceFragment;
     26 import android.provider.ContactsContract;
     27 import android.util.Log;
     28 import android.widget.Toast;
     29 
     30 import com.android.emergency.PreferenceKeys;
     31 import com.android.emergency.R;
     32 import com.android.emergency.preferences.EmergencyContactsPreference;
     33 
     34 import java.util.List;
     35 
     36 /**
     37  * Fragment that displays emergency contacts. These contacts can be added or removed.
     38  */
     39 public class EditEmergencyContactsFragment extends PreferenceFragment {
     40     private static final String TAG = "EditEmergencyContactsFragment";
     41 
     42     /** Result code for contact picker */
     43     private static final int CONTACT_PICKER_RESULT = 1001;
     44 
     45     /** The category that holds the emergency contacts. */
     46     private EmergencyContactsPreference mEmergencyContactsPreferenceCategory;
     47 
     48     @Override
     49     public void onCreate(Bundle savedInstanceState) {
     50         super.onCreate(savedInstanceState);
     51         addPreferencesFromResource(R.xml.edit_emergency_contacts);
     52         mEmergencyContactsPreferenceCategory = (EmergencyContactsPreference)
     53                 findPreference(PreferenceKeys.KEY_EMERGENCY_CONTACTS);
     54 
     55         Preference addEmergencyContact = findPreference(PreferenceKeys.KEY_ADD_CONTACT);
     56         addEmergencyContact.setOnPreferenceClickListener(new Preference
     57                 .OnPreferenceClickListener() {
     58             @Override
     59             public boolean onPreferenceClick(Preference preference) {
     60                 // By using ContactsContract.CommonDataKinds.Phone.CONTENT_URI, the user is
     61                 // presented with a list of contacts, with one entry per phone number.
     62                 // The selected contact is guaranteed to have a name and phone number.
     63                 Intent contactPickerIntent = new Intent(Intent.ACTION_PICK,
     64                         ContactsContract.CommonDataKinds.Phone.CONTENT_URI);
     65                 try {
     66                     startActivityForResult(contactPickerIntent, CONTACT_PICKER_RESULT);
     67                     return true;
     68                 } catch (ActivityNotFoundException e) {
     69                     Log.w(TAG, "No contact app available to display the contacts", e);
     70                     Toast.makeText(getContext(),
     71                                    getContext().getString(R.string.fail_load_contact_picker),
     72                                    Toast.LENGTH_LONG).show();
     73                     return false;
     74                 }
     75             }
     76         });
     77 
     78     }
     79 
     80     @Override
     81     public void onResume() {
     82         super.onResume();
     83         reloadFromPreference();
     84     }
     85 
     86     /** Reloads the contacts by reading the value from the shared preferences. */
     87     public void reloadFromPreference() {
     88         if (mEmergencyContactsPreferenceCategory != null) {
     89             mEmergencyContactsPreferenceCategory.reloadFromPreference();
     90         }
     91     }
     92 
     93     @Override
     94     public void onActivityResult(int requestCode, int resultCode, Intent data) {
     95         if (requestCode == CONTACT_PICKER_RESULT && resultCode == Activity.RESULT_OK) {
     96             Uri phoneUri = data.getData();
     97             mEmergencyContactsPreferenceCategory.addNewEmergencyContact(phoneUri);
     98         }
     99     }
    100 
    101     public static Fragment newInstance() {
    102         return new EditEmergencyContactsFragment();
    103     }
    104 }
    105