Questions tagged as 'android'

Tagged questions
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Tabbed Error Activity

Hello, I'll be as objective as possible: I created a project in Android Studio for "Tabbed Activity" - Action Bar Tabs By the Options app (Mouse right) New - > Fragment - > Fragment Blank I created a Fragment named "Page" In t...
asked by 14.05.2016 / 03:53
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OutOfMemoryError when starting Activity a few times

I'm developing my software engineering project that consists of an Android application and I'm having a problem transitioning between Activity. The problem is based on two screens: Login screen, consisting of: Image (logo) Email fi...
asked by 03.04.2016 / 22:22
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Google Cloud Messaging push notification takes too long to deliver

I have an application similar to taxi apps (99 Taxis, Easy Taxi, Uber), I use Google Cloud Messaging to send the alerts for new races, but sometimes the latency in the delivery of the message is great, or sometimes the alert or enough. I would l...
asked by 29.03.2016 / 14:36
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Open an EditText when a Switch component is turned off

I have a custom Adapter fault that renders a list, in that list it has a switch that by default comes on and when the user hangs up, the system validates a rule and if that rule was true , it has to show a EditText so that th...
asked by 01.04.2016 / 19:27
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Return amount in bytes of the mobile data used per day

Hello, I have a problem in returning the amount in bytes of data consumed via mobile data in android. I'm currently using this code: Calendar beginCal = Calendar.getInstance(); beginCal.set(Calendar.DATE, 1); beginCal.set(Ca...
asked by 02.02.2016 / 19:27
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Doubts API Camera on Android Apps DubsMash, Vine and Musical.ly

I have lately been working with the%% Android API to make video captures, but I have a common problem that there is a great delay in starting to record a video. My intention is to make an application where you can record a video pausing witho...
asked by 19.02.2016 / 03:27
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Bluetooth and Android Printer [closed]

Is there any api to send print orders through an android app? I have already seen that samsung has included this bluetooth printing feature for some time, but I can not find anything about sending print orders natively to these devices. Any l...
asked by 19.02.2016 / 01:40
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Action on the back button when the keyboard is active

I'm trying to use the back button action to pop up a menu in my application, with the onKeyUp method. As soon as the back key was clicked, the menu should immediately appear. In my application I work with tabHost, there are 3 screens, in the...
asked by 23.02.2016 / 22:00
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Sign in to WebService via Android

And what do you guys all say? My question is: I'm trying to create a login screen on Android being the registered data are in a mysql database, to establish the communication I have a working WebService Rest, the question is: I'm sending a...
asked by 18.03.2016 / 18:22
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Code that leverages decimal value in C # for Java / Android

I have a code that rounds a value of type decimal to homes I want, and I would like to implement it in Android in Java but I'm having some difficulties, here's the code below in C #. public static class Valor { public static decimal...
asked by 16.12.2015 / 18:37