The download manager was introduced in Android 2.3 (API level 9).
It’s a System Service that optimises the handling of long-running downloads in the background.
The download manager handles HTTP connections, monitors connectivity changes, reboots, and ensures each download completes successfully
Its good practice to use the download manager for most downloads, especially if the download continues between user sessions or if success is important.
You can have as many categories and questions as you like (although you probably won't want more than about 10 categories). The order in which you enter the categories doesn't really matter as long as you stick to the format (as described above) for each row. Remember that the trial version only shows two categories.
Once you've downloaded the text file to your device, it will be converted into a database by the app. If you choose to uninstall the app, it won't affect your text file which will remain in the device's Download folder.
That's it! You're done.
You can have as many categories and questions as you like (although you probably won't want more than about 10 categories). The order in which you enter the categories doesn't really matter as long as you stick to the format (as described above) for each row. Remember that the trial version only shows two categories.
Once you've downloaded the text file to your device, it will be converted into a database by the app. If you choose to uninstall the app, it won't affect your text file which will remain in the device's Download folder.