Android SharedPreferences工具类

本是古典何须时尚 2022-07-27 14:40 208阅读 0赞

/**
     * Created by Sunday on 2016/3/17.
     */
    public class SPUtil {
    
        public static final String SP_NAME = "sunday_sp";
        /**
         * 用于文本信息的存储
         */
        SharedPreferences preferences;
    
        /**
         * 无参构造方法
         */
        public SPUtil() {
        }
    
        /**
         * 带1个参的构造方法,spName默认
         */
        public SPUtil(Context context) {
            preferences = context.getSharedPreferences(SP_NAME,
                    Context.MODE_PRIVATE);
        }
    
        /**
         * 带2个参的构造方法，自定义spName
         */
        public SPUtil(Context context, String spName) {
            preferences = context.getSharedPreferences(spName, Context.MODE_PRIVATE);
        }
    
        /**
         * 保存String
         *
         * @param key
         * @param value
         */
        public void save(String key, String value) {
            SharedPreferences.Editor editor = preferences.edit();
            editor.putString(key, value);
            editor.commit();
        }
    
        /**
         * 保存int
         *
         * @param key
         * @param value
         */
        public void save(String key, int value) {
            SharedPreferences.Editor editor = preferences.edit();
            editor.putInt(key, value);
            editor.commit();
        }
    
        /**
         * 保存boolean
         *
         * @param key
         * @param value
         */
        public void save(String key, boolean value) {
            SharedPreferences.Editor editor = preferences.edit();
            editor.putBoolean(key, value);
            editor.commit();
        }
    
        /**
         * 获取String
         *
         * @param key
         * @param defValue
         * @return
         */
        public String getString(String key, String defValue) {
            return preferences.getString(key, defValue);
        }
    
        /**
         * 获取int
         *
         * @param key
         * @param defValue
         * @return
         */
        public int getInt(String key, int defValue) {
            return preferences.getInt(key, defValue);
        }
    
        /**
         * 获取boolean
         *
         * @param key
         * @param defValue
         * @return
         */
        public boolean getBoolean(String key, boolean defValue) {
            return preferences.getBoolean(key, defValue);
        }
    }