Questions tagged as 'android'

Tagged questions
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Error creating sparrow up menu in cardview

I'm creating an application that uses cardview in my list. And I'm having trouble adding the menu in the cardview, as shown below: Mycardviewclass:classCustomAdapterextendsBaseAdapter{privateList<Palheta>palhetas;publicCustomAdapter(List&...
asked by 12.01.2018 / 21:27
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ERROR: No resource found that matches the given name: attr 'colorAccent'

I created a project from scratch and when I was compiling it is giving this error. I have already updated the Android SDK and still the error continues. This is giving on all Style.xml nodes . What is going on? It's the first compile. My Style...
asked by 25.09.2017 / 18:24
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Activate button event when giving enter in an edit

I created a "register" screen where the user informs the name / surname and where there is a Continue button that goes to another screen. I would like this new screen to open when the user hit Enter, but I do not know how to make the Enter key h...
asked by 26.10.2017 / 04:48
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how to put monetary mask for EditText in an Android application?

How to put monetary mask for EditText in an Android application only with numeric values without the R $, that is, to print in EditText 2.99? If you have an example.     
asked by 14.11.2017 / 12:46
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Open BLOB in php

I have a field of type BLOB to save images in my mysql, the image comes from an android APP via POST, the way the BLOB string arrives I saved in the bank. When I try to show the contents of this BLOB in a page, everything goes blank. PHP code t...
asked by 11.09.2017 / 18:52
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How to create a divider between views?

I'm creating an app that uses ListView to show items and wanted to know the best and most personalized way to create splitters between them, I also wanted to know how to use another divider between two icons, which are the options that st...
asked by 13.11.2017 / 20:04
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Do you need to use the AppCompat and Support Design libraries when the minimum API is 21?

Recently I upgraded an application that I'm developing to use a minimum API at 21 (Lollipop), before it was at 19 (KitKat). In the case of KitKat I needed to use AppCompat and Support Design to enjoy the DrawerLayout, CoordinatorLayout, Float...
asked by 13.09.2017 / 16:55
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ListView with config.properties

I have the following question, I'm using a listview with a 300 character of a game, when clicking on a character it inserts some data that is written in config.properties , all the characters have descriptions, vocations among other...
asked by 14.09.2017 / 15:47
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How to read Json with Android

I would like to know how I read json in two different ways. 1 - I have a Json {"nome": "JOA", "cpf": 7.4417, "idade": "15"},{"nome": "PAT", "cpf": 8.5528, "idade": "20"}"}; This even can read and play in variables, but only the first par...
asked by 14.09.2017 / 22:03
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Creating a positiveButton in a Dialog on Android

I have the following method to create a Dialog in an Android application: public static void alertBuilder(String mensagem, Type tipo, Context contexto){ Dialog dialog = new Dialog(contexto, R.style.alert); dialog.setContentView...
asked by 21.06.2018 / 20:36