Questions tagged as 'android'

Tagged questions
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What scheme should I follow to send a file (txt) with certain data to a cloud, then be able to manipulate the file data in an android APP?

Investigating I look at two alternatives, send the file to the cloud and download it in the APP, to then make use of the information. Or send the file information to a database, and then extract the information from it with the APP. If so,...
asked by 28.09.2018 / 03:43
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RecyclerView how to pass the data to two different layouts?

Good I have two layouts created odd and even in the form of a card and I want them to be sent according to odd or even the position to the main layout that would be the recyclerView and I do not know how to work the adapter so that I can only se...
asked by 29.09.2018 / 17:38
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Import data from excel file to SQLite

I need to import the data from a .csv file selected by the user to my database This is my code: private static final int COD_SELECCIONA_TXTCLI = 12; private static final int COD_SELECCIONA_XLSCLI = 13; private String myPath; public void el...
asked by 26.09.2018 / 17:11
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"Backward arrow" button on the top ERROR Android Studio

In total there are 3 classes with their respective layout, but the error comes at the moment of returning from layout 3 to layout 2, I have added layout 2 and 3 with their classes: CLASS 2: private Button siguiente2; private RadioBu...
asked by 03.10.2018 / 05:44
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Start new activity when swiping on a ListView

I have an app in which, the main page, is 100% occupied by a ListView that contains an ArrayList of objects. My goal is that when I slide my finger from right to left on that ListView, I will go to a new window (activity). I was guided by thi...
asked by 26.09.2018 / 13:48
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How can I call information from Firebase Database to Android Studio and show it in an activity?

Good day, I have this information saved in Firebase Database I would like to read it and show it in an activity in the following way. I have this code, I do not know what would be the simplest option or how would the onDateChange...
asked by 26.09.2018 / 15:28
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EditText.getText () does not work

I try to do a CRUD in Android (java), the project is based on a navigation drawer as a menu and an Activity that works as a container for the fragments I use in the project for this crud. I have a single fragment in which I want to implement the...
asked by 27.09.2018 / 03:21
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Delete all data when the user uninstalls my application - Androd

Hello good morning everyone. A few weeks ago I launched an update of my application to the Play Store, and everything normal. My surprise comes when some users have a problem, which was presented when they had already installed the applicatio...
asked by 27.09.2018 / 02:56
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I do not boot the Android Studio

I have a 32bits pc, I want to start android studio but it does not start, I saw tutorials and they add environment variables and I did it but I still do not start the android studio     
asked by 02.10.2018 / 20:14
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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 / 16:47