Questions tagged as 'android'

Tagged questions
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Distinct ImageButton in the same MainActivity

I can not put two different actions to two ImageButton different in the same MainActivity , putting the function only to the first ImageButton , if it works, but when putting the function to the second, I get:    error: rea...
asked by 16.12.2016 / 14:13
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Does not change the image when making a set in android studio [closed]

What I try to do is that when any condition is met, a change of image is made to another. But it does not make any change, and I do not know why, if someone could indicate where I'm wrong or if the type of set is not compatible and such would be...
asked by 26.12.2016 / 16:10
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Android Error in API 19

I have an error in Android Studio with an APP that I do not know about. I commented that if I run it on a device with Android 6.0.1. API 23 runs fine, but on an Android 4.4.2 device. API 19 pulls me wrong. I have attached the gradle code and...
asked by 02.03.2017 / 21:18
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Failed with recyclerView instead of ListView?

The following code with ListView instead of RecyclerView let me compile and run but if I was not on a fault line: recyclerview.setAdapter(new ImagenAdapter(getApplicationContext())); and he tells me that:    setAdap...
asked by 04.03.2017 / 13:26
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How to put lateral lines between TextView? Android

How can I put lateral lines in a TextView something like this: - or - link     
asked by 13.12.2016 / 18:23
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App for online sales [closed]

I have a new project .. an android app for online sales .. But I'm blank on how to do it so the user can pay with his bank card .. Orient me please, I need to investigate! Is there a bookstore or something like that? Do I need to mak...
asked by 14.02.2017 / 19:01
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Doubt with "Back Button" in Xamarin Forms

I am developing an application for Android and iOS with Xamarin Forms. Then, when I open a new page I do it in the following way: var newPage = new ContentPage (); await Navigation.PushAsync (newPage); My question is: By pressing the "Ba...
asked by 16.02.2017 / 01:54
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Send File with Android to Mysql [closed]

I have a question, is it correct to save a File in the Database? and first of all you can send a File to Mysql ?. Thank you I await your answers     
asked by 07.12.2016 / 16:37
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Consultation about ionic and bd without internet

My query is the following one, I want to make an app in ionic that allows to send reports of x type to a server rest, well the server works with a bd mongo, here once I have the reports I can do anything, but that happens if the android device w...
asked by 09.12.2016 / 03:19
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When and why to use database in Mobile Applications

I know that this is not a specific question, which is based on opinions but does not find a better way to know or understand why and when to occupy a database within a mobile application. I work in many native Android applications and hybrid...
asked by 01.12.2016 / 13:58