Android persistent
时间: 2023-11-02 15:42:54 浏览: 40
Android persistent storage refers to the ability of Android apps to store data on the device even when the app is closed or the device is powered off. There are several ways to achieve persistent storage in Android:
1. Shared Preferences: This is a simple key-value store that can be used to store small amounts of data such as preferences and settings.
2. Internal Storage: This is a private storage area that can be used to store app-specific data such as user information and cache files.
3. External Storage: This is a public storage area that can be used to store larger amounts of data such as media files and documents.
4. SQLite Database: This is a relational database that can be used to store structured data such as user profiles and app data.
5. Content Providers: These are components that allow apps to share data with other apps and store data in a structured way.
It is important to note that different storage options have different security implications and should be used appropriately based on the type of data being stored.