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I am a beginner in programming Android applications in Java. I want to know how to control or change something, for example, cut off the Internet on another application. Is there a way or suggestion. Thank you
I don't think it's possible unless you are the developer of both and remove the permission for both apps, see: Can an app give its permission to another application in android?
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I want to know how to integrate an API in java in android studio for my app. I am trying to find a way to get the definition of words in any language by using an API but I have no idea how to work with APIs does anyone know how I get started?
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I am beginner in java.
I want to perform a task when the app has no instance or is inactive.
Can anyone help me by giving a simple code on how to do it Please.
Thanks
This is called Background Service. You can follow this official tutorial: https://developer.android.com/guide/background
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I want to provide the openVpn client config with my app, so the client will just connect the android system.I ve checked the ics-openVpn project in github, but i don t know how to start
See the doc/README in that repository for starting. Also make sure that you understand the implications of the GPL.
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For example,there is an app called System Analyst that shows me how much data has been downloaded in the current session.I'd like to use this data in another app,which I want to write in C or Java.
Is this a bad idea?If so why?
Usually it's better to go to the source of the information instead of trusting some other application. In the case of data received and sent, you can get them directly from the kernel by reading /proc/net/dev.
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I want to create a tutorial for my app that will show the user how to use it. For example when you first run an android device it teaches you how to use the system.
I want my tutorial to just tell the user to swipe the screen to the left and then click on a button.
Check out the ShowcaseView library on Github. I guess that'll fit your needs.