MXKeyValue

    implementation 'com.gitee.zhangmengxiong:MXKeyValue:1.3.1'

val KV = MXKeyValue.Builder("kvdb_kv_v1")
             .setCrypt(KVAESCrypt("27e2125d0a11a9aa65b9c9773673bc2a"))
             .setStore(KVSqliteStore())
             .build(MyApp.appContext)

// 清理所有KV
KV.cleanAll()

// 获取所有KV
KV.getAll()

// 清理失效的KeyValue
KV.cleanExpire()

// 设置KV
KV.set(key, value)

// 设置KV的有效期 1分钟 后失效
KV.set(key, value, 1.toDuration(DurationUnit.MINUTES))

// 获取Value
KV.get("test_expire_key")

// 获取Value ，如果不存在则返回默认值
KV.get("test_expire_key", default = "默认值")

// 删除key
KV.delete("test_expire_key")

// 从SharedPreferences拷贝所有数据
KV.cloneFromSharedPreferences("sp_name")

class MyCrypt : IKVCrypt {
    private val divider = "$$$$$$$$$$$$"
    override fun generalSalt(): String {
        return UUID.randomUUID().toString().replace("-", "")
    }

    override fun encrypt(key: String, value: String, salt: String): String? {
        return "$key$divider$value"
    }

    override fun decrypt(key: String, secretValue: String, salt: String): String? {
        return secretValue.split(divider).lastOrNull()
    }
}

val KV = MXKeyValue.Builder(MyApp.appContext, "kvdb_kv_v1")
             .setCrypt(MyCrypt())
             .setStore(KVSqliteStore())
             .build()