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I am creating an offline android application with bus routes. The database will be updated frequently and the user should only download and import the database file only. How is this possible. My database file is stored in assets folder.
You should create a signed apk and update your application on play store each time your database changes. There is no partial update. However, play store would be sending delta updates so it is not something you have control on and should not be worried about it.
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There are 2 projects, one project is about a restaurant internal order management and the other is a food platform with multiple restaurants.
I want write into the database of the restaurant from the food ordering app without connecting my app to the restaurant project.
I can't seem to find a way to do this automatically without connecting them. a workaround could be to export the data and reimport it into the other project. in theory, you could even make a script do this for you.
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(How) Is it possible to extract the sql-file from an android application on my pc? We developed an app and used it on some devices but unfortunately some of them didn't save the information on our web interface. So we need the database from three phones and typing by hand is out of the question.
Yes, depending on where it is saved you can access the .db file via the device file explorer on the right in Android Studio.
I assume it is in data/data/yourPackageName/databases
There should be .db files, but again, they could be somewhere else depending on the way you created it.
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I am working on an android application for my institute. I have to connect my app to the existing database of the college, although there is no API written. When I contacted the administration for help then they only handed me a SQL connection string and told me to write the API myself. I want to focus on the application only. Is there any way I can skip the API writing and still connect to the database easily and quickly??
As per my knowledge you cannot access database without using API. You can create your own database in SQLite but it will be local (offline) database.
One more thing, you can migrate database from one platform to another, but you will need an API to access data.
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I have a database format JSON (for example, data.json), it is possible to add this file in the application and use as a local database? When developing an application to add the file, and when removing applications from your device, removing it along with the application.
You can create a folder named "raw" in /res/ and then you can access it at R.raw.data.
Pretty sure since it's within the context of your app, if the app is removed the data is as well.
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My application needs a database. It is very cheap in size implementation with sqlite, but one of my friends told me that I can store the DB on the cloud, obviously if you put your DB in the cloud you need internet service to get access to the DB but you can store the DB that is from the cloud on the device? So when the user can get the DB from the cloud storage and automatically 'download' the DB from the cloud to the device to run offline.
Assuming that I need images (pretty small) for my app is this effective? How? Why?
I was looking at www.parse.com to store my DB.
If your data 'is very cheap in size' as you are saying, then I would suggest you to keep it within the application. Keeping dependency on internet is unnecessary as you are saying you want to run application in offline mode.