While learning Jetpack Compose, I encountered an issue where variables were getting reset upon a complete app restart (exit, close, reopen). Is there a command that can help with this?
I tried using remember and rememberSaveable, but they didn’t work.
>Solution :
In Jetpack Compose, the remember and rememberSaveable functions are typically used to preserve state across configuration changes like screen rotations. However, they might not be suitable for preserving state across complete app restarts.
When the app is completely restarted (exited, closed, and reopened), the entire state of the app is lost unless you persist the data explicitly. There are a few approaches you can consider to retain state across app restarts:
Shared Preferences: You can use Android’s SharedPreferences to store simple key-value pairs persistently. In your case, you would store the variable’s value in SharedPreferences and retrieve it when the app restarts.
Database: If you have more complex data or need to persist larger amounts of data, you can use a database like Room or SQLite. These databases provide more structured storage and querying capabilities.
File System: Another option is to write the variable’s value to a file on the device’s file system. You can use methods like FileOutputStream and FileInputStream to save and load data from files.
Depending on the nature and complexity of your data, one of these approaches should suit your needs. Remember that when using these persistence methods, you’ll need to manually save and load the state at the appropriate points in your app’s lifecycle, such as when the app closes or reopens.