Questions tagged as 'android'

Tagged questions
2
answers

How should the communication between Model and View using MVC be?

I'm trying to implement some small projects using the MVC standard: Within the project framework, I've created the following packages: View: User interaction screens. Controller: I have a class with methods related to user requests, save,...
asked by 23.11.2016 / 03:09
2
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How to create a chat application with Firebase and Android? [closed]

I want to create a chat with Android and Firebase, all the tutorials I saw on the internet are not complete. I would like to know how you chat using these two tools. You do not need to be like Whatsapp, but you can achieve the goal of sending...
asked by 07.11.2016 / 21:17
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JAVA Date Comparison

Good people I have a array of strings with dates, coming from a query with Firebase database. I want to organize it in a growing number of dates. Ex: 05/09/2016 - 09/09/2016 - 11/11/2016 Dates are entered into my array by the pop...
asked by 05.09.2016 / 00:38
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Button that overlays all screens

How to make a floating button that overlays all screens, especially the screens outside the application. In the image there are 2 examples of floating buttons     
asked by 05.09.2016 / 19:05
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Insert webservice data into sqlite

I have a webservice that returns me the following data CodeDiscipline, Discipline, CodeTurma. Starting from a principle that the teacher can have more than one discipline, for example, Code Discipline: 22, Discipline: Portuguese, CodeTu...
asked by 05.09.2016 / 18:15
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Insert or replace does not work

The command INSERT OR REPLACE INTO SYSVAL ( CDDEVICE, DTVALINI, DTVALFIM, SALDO, REALTIME, VALIDADO ) VALUES( '34322910071833580','31-08-2016', '31-08-2016','10','63714560','S') works seamlessly in SQLiteStudio, but does not work when run...
asked by 31.08.2016 / 15:10
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Change Fragment components through an Activity

I'm doing an application with NavigationDrawer , and to not always create another activity , I'm using fragments , where at every click I make replace in FrameLayout that I left set as main. How do I access the co...
asked by 30.08.2016 / 18:36
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Problem generating build in Xamarin Android (No resource found that matches the given name "at 'icon' with value '@ mipmap / icon')

I'm a designer trying to learn how to mount screens for Android applications through Visual Studio, using Xamarin Android, so quite a beginner in technical terms regarding the area ... I started with the basics, following the tutorials that X...
asked by 02.09.2016 / 15:31
1
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Positioning with imageView

I need to position the images in the layout, but I'm not sure how to position these images using ImageView on android. I would like the layout to look like the one in the image below, but it will not stay. All are in the same line and some do no...
asked by 24.10.2016 / 19:54
1
answer

Notification on a local network with PostgreSQL

I would like to know how I can send a simple notification to users on a local network, send a notification to all other devices with the app connected to the PostgreSQL database ...     
asked by 13.09.2016 / 23:45