Questions tagged as 'android'

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How to create a mask for monetary value in an editText, real in case you format this way to save in database "20.99"?

How to create a mask for monetary value in an editText, in case you format this way to save in the database "20.99"? 1.99 20.99 300.99 1000.99 10000.99     
asked by 04.10.2017 / 13:18
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I can not receive messages to my App in release mode

In debug, I would take the token and add it to my sender and send PN. Deletei, recompile in release mode and now I can not send PN (Push Notification). See my sender's code: public partial class MainWindow : Window { public MainWin...
asked by 30.10.2017 / 16:55
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Whenever I connect debug mode, it gives me an error of An hundled exception occurred

This is the code public override void OnCreate() { try { base.OnCreate(); //If debug you should reset the token each time. #if DEBUG FirebasePushNotificationManag...
asked by 30.10.2017 / 12:30
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Label on a button

How to add a label a button, as in the image? By clicking this button, this label disappears, just to let you know that there is something new in the menu. how to do something like this?     
asked by 30.10.2017 / 15:02
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MismatchSenderId error

I had several projects on my console. I was able to receive push notification (PN). So I dropped all the projects and created just one. I made an app based on the step by step that a colleague passed me and I could not receive. I got the App tha...
asked by 01.10.2017 / 21:40
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Send and Receive Arduino data for Android via the Internet

I'm working on a project that I have to communicate an Arduino with Android via Internet (Network), I've seen some tutorials on the subject but I could not finish it yet, I would like to help to complete this project. I'm using AndroidStudio....
asked by 12.10.2017 / 20:57
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Mathematical operation in RecyclerView

I want to know how to add certain values from a RecyclerView. in case it will be model.getQntd() , I need to add all their respective results. UPDATE I've been able to count the problem now is that when there happens a change in th...
asked by 12.10.2017 / 01:12
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Calling non-static function inside a Handler

I'm developing a code in android studio where I get data through a buetooth transmission. The data goes to a function called Handler, which is static. public static Handler handler = new Handler() { @Override public void handleMessage...
asked by 22.09.2017 / 22:25
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Error creating sqlite database from installed apk

I used a populated .sqlite database in a project. I imported the bd into the assets folder and implemented the code for creating and accessing the database. I ran the project and everything worked ok in the emulator and on the phone directly. Th...
asked by 20.09.2017 / 08:15