Android_Utils/SPUtils.java at master · RealMoMo/Android_Utils · GitHub

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packagecom.hht.baselib;

importandroid.content.Context;
importandroid.content.SharedPreferences;

importjava.util.Map;

/**
 * Created by RealMo on 2019/6/25
 */
publicclassSPUtils {

/**
 * 保存数据
 */
publicstaticvoidput(Contextcontext, StringfileName,Stringkey, Objectobj,booleanasync) {
SharedPreferencessp = context.getSharedPreferences(fileName, Context.MODE_PRIVATE);
SharedPreferences.Editoreditor = sp.edit();
if (objinstanceofBoolean) {
editor.putBoolean(key, (Boolean) obj);
 } elseif (objinstanceofFloat) {
editor.putFloat(key, (Float) obj);
 } elseif (objinstanceofInteger) {
editor.putInt(key, (Integer) obj);
 } elseif (objinstanceofLong) {
editor.putLong(key, (Long) obj);
 } else {
editor.putString(key, (String) obj);
 }
if(async){
editor.apply();
 }else{
editor.commit();
 }
 }


/**
 * 获取指定数据
 */
publicstaticObjectget(Contextcontext, StringfileName,Stringkey, ObjectdefaultObj) {
SharedPreferencessp = context.getSharedPreferences(fileName, Context.MODE_PRIVATE);
if (defaultObjinstanceofBoolean) {
returnsp.getBoolean(key, (Boolean) defaultObj);
 } elseif (defaultObjinstanceofFloat) {
returnsp.getFloat(key, (Float) defaultObj);
 } elseif (defaultObjinstanceofInteger) {
returnsp.getInt(key, (Integer) defaultObj);
 } elseif (defaultObjinstanceofLong) {
returnsp.getLong(key, (Long) defaultObj);
 } elseif (defaultObjinstanceofString) {
returnsp.getString(key, (String) defaultObj);
 }
returnnull;
 }

/**
 * 删除指定数据
 */
publicstaticvoidremove(Contextcontext, StringfileName,Stringkey,booleanasync) {
SharedPreferencessp = context.getSharedPreferences(fileName, Context.MODE_PRIVATE);
SharedPreferences.Editoreditor = sp.edit();
editor.remove(key);
if(async){
editor.apply();
 }else{
editor.commit();
 }
 }


/**
 * 返回所有键值对
 */
publicstaticMap<String, ?> getAll(Contextcontext,StringfileName) {
SharedPreferencessp = context.getSharedPreferences(fileName, Context.MODE_PRIVATE);
returnsp.getAll();
 }

/**
 * 删除所有数据
 */
publicstaticvoidclear(Contextcontext,StringfileName,booleanasync) {
SharedPreferencessp = context.getSharedPreferences(fileName, Context.MODE_PRIVATE);
SharedPreferences.Editoreditor = sp.edit();
editor.clear();
if(async){
editor.apply();
 }else{
editor.commit();
 }
 }

/**
 * 检查key对应的数据是否存在
 */
publicstaticbooleancontains(Contextcontext,StringfileName, Stringkey) {
SharedPreferencessp = context.getSharedPreferences(fileName, Context.MODE_PRIVATE);
returnsp.contains(key);
 }

}