package cn.sinata.xldutils.utils;
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import android.content.Context;
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import android.content.SharedPreferences;
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import cn.sinata.xldutils.xldUtils;
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import java.util.Map;
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/**
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*
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* SharedPreferences工具类
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*/
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public class SPUtils {
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static SharedPreferences sp;
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public static void init(Context context){
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if (sp==null) {
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String spName;
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if (StringUtils.isEmpty(xldUtils.SPNAME)){
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spName = context.getPackageName();
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}else {
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spName = xldUtils.SPNAME;
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}
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sp=context.getSharedPreferences(spName, Context.MODE_PRIVATE);
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}
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}
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/**
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* 保存SharedPreferences数据
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* @param map 键值对，值必须是int，float,boolean,string,long类型，其余类型不支持
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*/
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public static synchronized void save(Map<String,Object> map){
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if (sp!=null) {
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SharedPreferences.Editor editor = sp.edit();
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for (Map.Entry<String, Object> entry : map.entrySet()) {
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// System.out.println("key= " + entry.getKey() + " and value= " + entry.getValue());
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Object o = entry.getValue();
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if (o instanceof String) {
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editor.putString(entry.getKey(), (String) o);
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} else if (o instanceof Integer) {
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editor.putInt(entry.getKey(), (Integer) o);
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} else if (o instanceof Long) {
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editor.putLong(entry.getKey(), (Long) o);
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} else if (o instanceof Boolean) {
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editor.putBoolean(entry.getKey(), (Boolean) o);
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} else if (o instanceof Float) {
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editor.putFloat(entry.getKey(), (Float) o);
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} else {
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//不支持的类型，不做操作
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new Throwable("不支持类型").printStackTrace();
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}
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}
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editor.apply();
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}
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}
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/**
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* 保存String型数据
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* @param key 键
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* @param value 值
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*/
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public static synchronized void save(String key,String value){
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if (sp!=null) {
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SharedPreferences.Editor editor = sp.edit();
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editor.putString(key, value).apply();
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}
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}
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/**
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* 保存Int型数据
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* @param key 键
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* @param value 值
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*/
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public static synchronized void save(String key,int value){
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if (sp!=null) {
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SharedPreferences.Editor editor = sp.edit();
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editor.putInt(key, value).apply();
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}
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}
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/**
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* 保存Boolean型数据
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* @param key 键
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* @param value 值
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*/
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public static synchronized void save(String key,boolean value){
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if (sp!=null) {
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SharedPreferences.Editor editor = sp.edit();
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editor.putBoolean(key, value).apply();
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}
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}
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/**
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* 获取存储的字符型数据
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* @param key 键
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* @return value
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*/
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public static String getString(String key){
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return sp==null?"":sp.getString(key,"");
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}
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/**
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* 获取存储的布尔型数据
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* @param key 键
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* @return value
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*/
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public static boolean getBoolean(String key){
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return getBoolean(key,false);
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}
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/**
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* 获取存储的int型数据
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* @param key 键
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* @return value 默认－1
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*/
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public static int getInt(String key){
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return sp!=null?sp.getInt(key,-1):-1;
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}
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/**
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* 获取存储的布尔型数据
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* @param key 键
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* @param def 默认值
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* @return value
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*/
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public static boolean getBoolean(String key,boolean def){
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return sp!=null&&sp.getBoolean(key,def);
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}
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/**
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* 删除对应key的SharedPreferences数据
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* @param key 键
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*/
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public static synchronized void remove(String key){
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if (sp!=null) {
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sp.edit().remove(key).apply();
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}
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}
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/**
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* 删除对应key的SharedPreferences数据
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* @param keys 需删除的键的集合
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*/
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public static synchronized void remove(String[] keys){
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if (sp!=null) {
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for (String key : keys) {
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sp.edit().remove(key).apply();
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}
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}
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}
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/**
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* 清空所有SharedPreferences数据
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*/
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public static void clear(){
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if (sp!=null) {
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sp.edit().clear().apply();
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}
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}
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}
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