1.问题描述

使用关键资产API需要配置SystemCapability.Security.Asset，但不知道syscap.json文件应该配置在哪里，文档也没找到。

解决方案

新增关键资产等API可以直接参考开发指南里的示例代码进行调用：
2a0K9s2c8@1M7s2y4Q4x3@1q4Q4x3V1k6Q4x3V1k6V1k6i4k6W2L8r3!0H3k6i4u0Q4x3X3g2Z5N6h3q4%4k6h3W2Q4x3X3g2U0L8$3#2Q4x3V1k6U0L8$3&6K6N6h3#2W2M7W2)9J5c8X3y4F1i4K6u0r3k6r3!0U0i4K6u0r3K9r3q4J5L8h3!0F1P5h3!0K6i4K6u0V1k6%4g2A6k6r3g2K6i4K6u0r3j5i4y4K6k6i4c8Q4x3X3c8B7M7#2)9J5k6r3q4V1k6q4)9J5k6o6l9H3x3o6l9H3x3o6p5^5x3U0t1I4y4U0t1%4x3o6g2Q4c8e0y4Q4z5o6m8Q4z5o6u0Q4c8e0g2Q4b7e0k6Q4z5o6u0Q4c8e0W2Q4z5f1y4Q4z5o6m8Q4c8e0k6Q4z5f1k6Q4b7e0g2Q4c8e0S2Q4b7f1k6Q4b7e0u0Q4c8f1k6Q4b7V1y4Q4z5p5y4Q4c8e0c8Q4b7U0W2Q4z5f1k6Q4c8e0g2Q4z5p5k6Q4b7f1k6Q4c8e0c8Q4b7V1u0Q4b7e0g2Q4c8e0S2Q4b7U0m8Q4z5o6y4Q4c8e0N6Q4z5e0c8Q4b7e0S2Q4c8e0k6Q4z5f1k6Q4b7e0g2Q4c8e0S2Q4b7f1k6Q4b7e0u0Q4c8e0g2Q4z5o6g2Q4b7U0y4Q4c8e0W2Q4z5e0c8Q4b7f1g2Q4c8e0S2Q4b7U0g2Q4z5o6c8Q4c8e0c8Q4b7V1q4Q4b7e0N6m8f1p5W2Q4c8e0y4Q4z5o6m8Q4z5o6t1`.
如果您这边想要加入自定义的syscap.json文件，建议参考SysCap开发指导：
31fK9s2c8@1M7s2y4Q4x3@1q4Q4x3V1k6Q4x3V1k6V1k6i4k6W2L8r3!0H3k6i4u0Q4x3X3g2Z5N6h3q4%4k6h3W2Q4x3X3g2U0L8$3#2Q4x3V1k6U0L8$3&6K6N6h3#2W2M7W2)9J5c8X3y4F1i4K6u0r3k6r3!0U0i4K6u0r3K9r3q4J5L8h3!0F1P5h3!0K6i4K6u0V1M7X3g2X3k6i4u0W2L8X3y4W2M7#2)9J5c8Y4y4&6M7$3y4S2M7q4)9J5k6o6l9H3x3o6l9H3x3o6p5%4y4K6b7I4x3U0l9^5y4o6k6Q4x3U0y4K9d9q4)9J5k6p5y4z5i4K6g2X3g2p5!0b7d9f1y4Q4y4h3j5H3x3o6l9H3x3o6l9I4y4K6M7@1x3e0t1H3z5o6b7$3i4K6g2X3i4K6g2X3M7%4W2K6j5$3q4H3i4K6t1#2c8e0g2Q4x3U0g2n7b7#2)9J5y4e0R3H3i4K6t1#2c8e0g2Q4x3U0f1^5c8W2)9J5y4e0V1I4i4K6t1#2c8e0k6Q4x3U0f1^5b7#2)9J5y4e0R3%4i4K6t1#2c8e0g2Q4x3U0g2m8c8W2)9J5y4f1u0o6

2.问题描述

studio:4.1.3.501，sdk：Developer Preview1
在编译器中可以正常import {asset} from '@kit.AssetStoreKit'。也可以正常调用增删改查接口，没有报错。但是编译往手机装载的时候出现异常：

hvigor ERROR: Failed :app:default@CompileArkTS... 
hvigor ERROR: ArkTS Compiler Error
COMPILE RESULT:FAIL {ERROR:2}
hvigor ERROR: BUILD FAILED in 6 s 443 ms 
应该如何解决？

解决方案

原先使用的是老版本的IDE开发的项目，对应的hvigorVersion也是老版本的。将工程移到新版本的IDE之后， 对应的hvigorVersion未进行更新。所以导致了这个问题。将hvigorVersion升级到与IDE相匹配的版本之后即可解决。

3.问题描述

覆盖安装数据存在，如何实现应用卸载后，数据不会丢失？

解决方案

1、Asset Store Kit在新增数据时设置IS_PERSISTENT属性，可以在应用卸载时保留关键资产。调用示例： attr.set(asset.Tag.IS_PERSISTENT, true); 

2、使用IS_PERSISTENT属性时，应用需要声明 ohos.permission.STORE_PERSISTENT_DATA（允许应用存储持久化的数据，该数据直到设备恢复出厂设置或重装系统才会被清除）权限，如果不声明会收到201（权限校验失败）错误。
属性说明请参见add接口介绍指南：10dK9s2c8@1M7s2y4Q4x3@1q4Q4x3V1k6Q4x3V1k6V1k6i4k6W2L8r3!0H3k6i4u0Q4x3X3g2Z5N6h3q4%4k6h3W2Q4x3X3g2U0L8$3#2Q4x3V1k6U0L8$3&6K6N6h3#2W2M7W2)9J5c8X3y4F1i4K6u0r3k6r3!0U0i4K6u0r3K9r3q4J5L8h3!0F1P5h3!0K6i4K6u0V1k6%4g2A6k6r3g2K6i4K6u0V1g2U0g2Q4x3V1k6S2M7%4y4W2N6q4)9J5k6r3A6K6i4K6u0V1j5h3c8V1i4K6u0V1x3o6l9H3x3o6l9H3x3e0R3I4y4e0M7#2z5o6R3J5y4q4)9J5k6q4j5#2
权限声明请参考：f7dK9s2c8@1M7s2y4Q4x3@1q4Q4x3V1k6Q4x3V1k6V1k6i4k6W2L8r3!0H3k6i4u0Q4x3X3g2Z5N6h3q4%4k6h3W2Q4x3X3g2U0L8$3#2Q4x3V1k6U0L8$3&6K6N6h3#2W2M7W2)9J5c8X3y4F1i4K6u0r3k6r3!0U0i4K6u0r3K9r3q4J5L8h3!0F1P5h3!0K6i4K6u0V1k6%4g2A6k6r3g2K6i4K6u0V1g2U0g2Q4x3V1k6V1k6h3y4D9j5i4u0W2i4K6u0V1M7r3g2J5L8h3W2K6M7$3W2G2L8Y4y4Q4x3X3b7H3x3o6l9H3x3o6l9I4z5o6t1H3z5e0V1&6y4U0j5#2i4K6u0V1g2U0f1`.
错误码请查看通用错误码说明：afbK9s2c8@1M7s2y4Q4x3@1q4Q4x3V1k6Q4x3V1k6V1k6i4k6W2L8r3!0H3k6i4u0Q4x3X3g2Z5N6h3q4%4k6h3W2Q4x3X3g2U0L8$3#2Q4x3V1k6U0L8$3&6K6N6h3#2W2M7W2)9J5c8X3y4F1i4K6u0r3k6r3!0U0i4K6u0r3K9r3q4J5L8h3!0F1P5h3!0K6i4K6u0V1M7X3g2X3k6i4u0W2L8X3y4W2M7#2)9J5k6q4j5#2i4K6u0r3k6r3g2$3k6h3I4G2M7r3#2W2L8Y4c8Q4x3X3c8A6L8Y4c8J5L8#2)9J5k6o6l9H3x3o6l9H3x3o6p5#2z5o6l9H3x3U0j5H3y4U0k6Q4x3X3c8h3y4b7`.`.

[培训]科锐逆向工程师培训第53期2025年7月8日开班！