Uniform Data Structs (C/C++) When to Use Uniform data structs are provided to define data of common uniform data types. For example, the data struct for the system-defined home screen icon (whose unif
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openharmony 鸿蒙 share-config
Sharing Configurations Between Applications (ArkTS) When to Use Sharing configurations between applications allows you to manage common configuration information in a centralized manner, thereby impro
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openharmony 鸿蒙 encrypted-estore-guidelines
Using an EL5 Database (ArkTS) When to Use To meet the security requirements of sensitive data, the EL5 database is provided to improve the data security when the screen is locked. An application that
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openharmony 鸿蒙 components-based-on-uniform-data-structure
Content Cards Based on Uniform Data Structs (ArkTS) When to Use Preset cards provided by the system allow you to quickly display data of uniform data structs. Content Card You can use the content card
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openharmony 鸿蒙 share-data-by-datashareextensionability-sys
Sharing Data Using DataShareExtensionAbility (ArkTS) (for System Applications Only) When to Use If complex services are involved in cross-application data access, you can use DataShareExtensionAbility
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openharmony 鸿蒙 sqlite-database-debug-tool
SQLite Debugging Tool SQLite is a lightweight, embedded, serverless relational database management system. Its core advantage is that the entire database is stored in a single file, without the need f
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openharmony 鸿蒙 native-data-encryption
Database Encryption (C/C++) When to Use The database encryption capability is provided to effectively protect the data stored in a database. Database encryption allows data to be stored and used in ci
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openharmony 鸿蒙 data-faq
ArkData FAQs How do I view detailed SQL execution error logs of an RDB store? Call on('sqliteErrorOccurred') to obtain the error logs that occur during SQL execution. How do I view SQL statements gene
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openharmony 鸿蒙 unified-data-channels-c
Sharing Data via Unified Data Channels (C/C++) When to Use In many-to-many data sharing across applications, a data channel needs to be provided to write data of different applications and share the d
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openharmony 鸿蒙 native-backup-and-restore
Database Backup and Restore (C/C++) When to Use If an error occurs during the operation or storage, you can restore the database to the previous state and continue the operation. If a database is tamp
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