1 /* 2 * Copyright (C) 2020 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.egg.neko; 18 19 import android.content.Context; 20 import android.content.SharedPreferences; 21 import android.content.SharedPreferences.OnSharedPreferenceChangeListener; 22 23 import java.util.ArrayList; 24 import java.util.List; 25 import java.util.Map; 26 27 public class PrefState implements OnSharedPreferenceChangeListener { 28 29 private static final String FILE_NAME = "mPrefs"; 30 31 private static final String FOOD_STATE = "food"; 32 33 private static final String WATER_STATE = "water"; 34 35 private static final String CAT_KEY_PREFIX = "cat:"; 36 37 private final Context mContext; 38 private final SharedPreferences mPrefs; 39 private PrefsListener mListener; 40 PrefState(Context context)41 public PrefState(Context context) { 42 mContext = context; 43 mPrefs = mContext.getSharedPreferences(FILE_NAME, 0); 44 } 45 46 // Can also be used for renaming. addCat(Cat cat)47 public void addCat(Cat cat) { 48 mPrefs.edit() 49 .putString(CAT_KEY_PREFIX + String.valueOf(cat.getSeed()), cat.getName()) 50 .apply(); 51 } 52 removeCat(Cat cat)53 public void removeCat(Cat cat) { 54 mPrefs.edit().remove(CAT_KEY_PREFIX + String.valueOf(cat.getSeed())).apply(); 55 } 56 getCats()57 public List<Cat> getCats() { 58 ArrayList<Cat> cats = new ArrayList<>(); 59 Map<String, ?> map = mPrefs.getAll(); 60 for (String key : map.keySet()) { 61 if (key.startsWith(CAT_KEY_PREFIX)) { 62 long seed = Long.parseLong(key.substring(CAT_KEY_PREFIX.length())); 63 Cat cat = new Cat(mContext, seed); 64 cat.setName(String.valueOf(map.get(key))); 65 cats.add(cat); 66 } 67 } 68 return cats; 69 } 70 getFoodState()71 public int getFoodState() { 72 return mPrefs.getInt(FOOD_STATE, 0); 73 } 74 setFoodState(int foodState)75 public void setFoodState(int foodState) { 76 mPrefs.edit().putInt(FOOD_STATE, foodState).apply(); 77 } 78 getWaterState()79 public float getWaterState() { 80 return mPrefs.getFloat(WATER_STATE, 0f); 81 } 82 setWaterState(float waterState)83 public void setWaterState(float waterState) { 84 mPrefs.edit().putFloat(WATER_STATE, waterState).apply(); 85 } 86 setListener(PrefsListener listener)87 public void setListener(PrefsListener listener) { 88 mListener = listener; 89 if (mListener != null) { 90 mPrefs.registerOnSharedPreferenceChangeListener(this); 91 } else { 92 mPrefs.unregisterOnSharedPreferenceChangeListener(this); 93 } 94 } 95 96 @Override onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key)97 public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { 98 mListener.onPrefsChanged(); 99 } 100 101 public interface PrefsListener { onPrefsChanged()102 void onPrefsChanged(); 103 } 104 } 105