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There is no .db file in file explorer in android studio for my app. I want to see the database of this app. I want to see the database of android app,that app is using SQLite concept.
That's completely normal. You can only view the sqlite database of your application if your device is rooted, or if you're using the emulator.
Without root, you can only access sqlite programmatically through your own app, even if you're just trying to see if things are working.
This is by design, sqlite on Android is a file-based database that piggy backs off the file security system of linux. In android specifically, each application is given its own home directory which only it can access, and no other application can.
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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 hope this doesnt break the site's rules:
My question is what i posted in the title:
If i use the ROOM functions in Android Studio and then test my app on a cell phone emulator, where on my computer, is the database stored?
Inside your, Android Studio go to Device File Explorer
Then go to data->data->AppPackageName->your_db
Then right-click and extract or save it to your PC and then you can view it and also perform Query using some SQLite browser
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I want to make a android mobile app which have a list view as a book list and when i tap on a list view cell it's open that book as a pdf. I need to store all pdf file in my app as local file, as a result user don't need any internet connection for read that books. How it is possible? I am new in android development. Please help me for how can i do it.
Thanks.
Create directory named assets in your app and put your pdf files in that directory. use this to read and display pdf files.
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I want to create a simple app for android. I want it to install an .xml file to another apps existing directory when the user runs the app and clicks the install button. It is a patch for an existing app. I have created the .xml file but I want to make it easy for users to patch their app. Seeing as my Android knowledge is limited, I was wondering if I could get some help with this. I'm sure it's simple. Any help is appreciated, thank you.
Unfortunately this is not possible, at least without rooting the device and running your app as root.
This is so by necessity - think what would happen if any application could modify other apps files.
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i have just started making android app but i don't know how to use a already made database on SQLiteDatabase to display its content in my android app.
I have made data base helper class.
I want to acess the database information to b displayed in my app like name city etc.
So i want to know how i should write query so that i can access the data and display it in my app.
I am not asking how to make data base helper clas i m asking how to write query in my main.java so that database is displayed in my app
I have used this Library to load an existing .db sqlite-file into my Android-App Database from the assets folder. It worked very well and I recommand you to read the how--to on the main page of the project.