Questions tagged as 'android-studio'

Tagged questions
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How can I add a song to my list in Android Studio

Hi, I'm doing a music player and one of the tasks that you should do is that when you press a button, a file browser comes up and you search for a song and that song is added to your existing list but I do not know how to get it that file and sa...
asked by 02.10.2018 / 18:47
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Use firebase job dispatcher or PowerManager wakelock

I have a mobile application in which I get the location every 5 minutes, at the moment I am using PowerManager wakelock and it works well when I lock the computer, but when I close the application it stops working, what I need is for the applica...
asked by 25.09.2018 / 19:16
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Run sequentially Fragments-Android operations?

I have a question, I hope you can help me, I have a graphical interface that works with a library that loads several fragments simultaneously more or less of this type, that is, it does not wait for the click event to load the "tabs" th...
asked by 26.09.2018 / 02:09
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How to make an EditText display a numeric keyboard at the top and uppercase letters

I have an edittext that receives only uppercase android: inputType="textCapCharacters", but I also need you to show me the number bar at the top of the keyboard, I do not know if it is possible, thank you in advance for your collaboration.     
asked by 24.09.2018 / 21:09
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Query thermal impression via bluetooth android studio [Byte]

Good to you I have a thermal printer with which I want to make impressions, I found this program link and works well but uses a class that formats the text that is going to print and I do not understand it very well I show you the code PRIN...
asked by 24.09.2018 / 17:12
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Send data between activities

I have a problem. I have 2 activities, the main one and a second screen. I want the 2nd screen to send data to the main screen but when I start the application it tells me that it stopped and it closes. When I do it the other way around (From th...
asked by 30.11.2016 / 19:14
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GENERATE APK UPDATE

Good night, the main problem I'm having is the following and the only difference is that the source code was applied to another computer: Installation failed with message INSTALL_FAILED_UPDATE_INCOMPATIBLE: Package hubotec.jmugi.gmocis signat...
asked by 24.09.2018 / 08:44
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Return onClick value of an Adapter - Android Studio

Hi, I have a question about how to return a value to my Main activity In my Adapter when clicking on a carview if I get the value and I show it a Toast but now I want to return that value to my main activity ... any idea of how to do it! ??...
asked by 24.09.2018 / 03:49
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Open InputStream to view Androd Studio file

I am making an application to be able to see files in a pdf viewer or imageView depending on the type of file. I get the files using the library jtds 1.3.0 from SQL Server 2012, from a field of type varbinary(max) that contains the bin...
asked by 22.09.2018 / 06:43
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Error android ... CoordinatorLayout - Android Studio

I would like to learn how to develop mobile applications with android studio but I get an error in the ADK emulator, they would know, what is the problem, and how to solve it? The problem is that when you install the Android Studi...
asked by 22.09.2018 / 17:06