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I am hopefully going to be embarking on producing a ios or android app that shows the x read of a till from a remote location over an internet connection. My question is wether it is possible to access a text file or xcel file, take the contents of the file and pull it to the app using android and ios? I have a way to get the x read to either a xls or txt file but need to know if I will be able to access it using a ios or android app?
Apologies for the basic explanation but I am quite new to this.
Yes, it's possible.
You will have to write a server program that runs on the PC, and communicate via network sockets.
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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 need to have an android app that can read and write to an online database, and a windows pc app that can do the same. Basically I want to view/modify a set of data from the database from both my mobile and pc.
I considered using firebase as the online database for my android app, but I don't know if can query the data from my windows pc, if say I am using Qt to program a windows app.
Please help !
Even it's a broad question a quick answer would be yes, you can query the data from your Windows pc. There is an interesting articole written a few moths ago named Firebase Database REST API for QT.
Take a look a this post for a better understanding.
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I have an app in which i have done some work like updated database with some records. Now i want to generate its .apk file so if i send that .apk to another user he or she can continue work from where i left. Like i wrote a half article, now i want some one else to complete it so i send that .apk to him and he can install it and continue our work.
All i could find was to get apks for all applications but i want the generated apk to have all the work i done in my app so the other user can continue easily
ref: How to get the .apk file of an application programmatically
You can't send the apk to the other developer, you have to send the source code. Your best bet is to use an online repository (github for example) and share the code that way.
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I want to create Android app, that will enable users to stream in real time audio and video from their phone to specified server. In addition, that server should save such recording to some file, to view it latter, but now it's not so important.
My question is: are there any simple or well documented ways of streaming video to remote server (not via wi-fi, I guess it can be important info)
I'm not sure how well Android handles WebRTC currently but I recommend you check it out! It uses Web-Protocols alongside Javascript/HTML5 components to stream-video/audio in real-time via the web-browser. I use it in 2 of my projects for similar applications. The only thing that differentiates is that you are wanting to store the video on your server.I'm guessing would also be possible but I haven't tried it! You can find all the documentation here.
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I have two applications. One will transfer a set of files and another will receive via blue-tooth. This transfer is successful. I can see files via file explorer.
Now, I want to read them through my app.
I have seen received location changes according to your device. Its not always download\ blue-tooth.
So,
How do I know path of received file?
Can I change default path for a particular sender application or as a whole?
You will need to manage Bluetooth connections yourself. Follow the guidelines given in http://developer.android.com/guide/topics/connectivity/bluetooth.html
As far as changing the path of default Bluetooth applications is not easy. Some OEM's may expose this, others might not. So best way to make your application to work on all devices is get your own stream of bytes and write it to your location.