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.view; 17 18 import android.app.Fragment; 19 import android.os.Bundle; 20 import android.support.v14.preference.PreferenceFragment; 21 import android.support.v7.preference.Preference; 22 import android.support.v7.preference.PreferenceManager; 23 24 import com.android.emergency.PreferenceKeys; 25 import com.android.emergency.R; 26 import com.android.emergency.ReloadablePreferenceInterface; 27 28 import java.util.ArrayList; 29 import java.util.List; 30 31 /** 32 * Fragment that displays personal and medical information. 33 */ 34 public class ViewEmergencyInfoFragment extends PreferenceFragment { 35 /** A list with all the preferences. */ 36 private final List<Preference> mPreferences = new ArrayList<Preference>(); 37 38 @Override onCreatePreferences(Bundle savedInstanceState, String rootKey)39 public void onCreatePreferences(Bundle savedInstanceState, String rootKey) { 40 setPreferencesFromResource(R.xml.view_emergency_info, rootKey); 41 42 for (String preferenceKey : PreferenceKeys.KEYS_VIEW_EMERGENCY_INFO) { 43 Preference preference = findPreference(preferenceKey); 44 mPreferences.add(preference); 45 46 if (((ReloadablePreferenceInterface) preference).isNotSet()) { 47 getPreferenceScreen().removePreference(preference); 48 } 49 } 50 } 51 52 @Override onResume()53 public void onResume() { 54 super.onResume(); 55 for (Preference preference : mPreferences) { 56 ReloadablePreferenceInterface reloadablePreference = 57 (ReloadablePreferenceInterface) preference; 58 reloadablePreference.reloadFromPreference(); 59 if (reloadablePreference.isNotSet()) { 60 getPreferenceScreen().removePreference(preference); 61 } else { 62 // Note: this preference won't be added it if it already exists. 63 getPreferenceScreen().addPreference(preference); 64 } 65 } 66 } 67 newInstance()68 public static Fragment newInstance() { 69 return new ViewEmergencyInfoFragment(); 70 } 71 } 72