Java tutorial
//package com.java2s; /* * Copyright (C) 2016 android@19code.com * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.Context; import android.content.SharedPreferences; public class Main { public static Object getSp(Context context, String key, Object defaultObject) { String type = defaultObject.getClass().getSimpleName(); String packageName = context.getPackageName(); SharedPreferences sp = context.getSharedPreferences(packageName, Context.MODE_PRIVATE); if ("String".equals(type)) { return sp.getString(key, (String) defaultObject); } else if ("Integer".equals(type)) { return sp.getInt(key, (Integer) defaultObject); } else if ("Boolean".equals(type)) { return sp.getBoolean(key, (Boolean) defaultObject); } else if ("Float".equals(type)) { return sp.getFloat(key, (Float) defaultObject); } else if ("Long".equals(type)) { return sp.getLong(key, (Long) defaultObject); } return null; } }