Questions tagged as 'android'

Tagged questions
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CardView And HorizontalScrollView

How do all cards have the same height with scroll horizontally? Fragment: <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:card_view="http://schemas.android.com/apk/res-auto" xmlns:custom="http://sch...
asked by 24.03.2018 / 13:39
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How to return focus on an EditText after a notifyDataSetChanged () in recyclerview?

The problem is with notifyDataSetChanged () when I update the recyclerview the EditText loses focus I wanted it not to lose focus, I already tried with requestfocos it does not.     
asked by 23.03.2018 / 22:04
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How to Create a Browsing History For Android Browser? -Android Studio [closed]

Hello, I'm creating a web browser for Android with webview using Android Studio it already does research now I'm wanting to do a browsing history where it gets the sites that have been entered, just Google Chrome, so I do not have the least possi...
asked by 08.04.2018 / 22:04
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Error in single query in Sqlite bank using content provider

I'm having a problem that when trying to query the database of my application through the Content Provider. When I start the database query the application crashes. I did tests using any integer as id for the query, The application works normall...
asked by 18.04.2018 / 17:35
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How to delete User using Parse (Error: insufficient auth to delete user)

Hello, I'm creating an app using Parse to save data to Heroku. I'm having a hard time deleting Users. I can delete objects from other collections with the command: objeto.deleteInBackground(new DeleteCallback() { @Override public void...
asked by 24.04.2018 / 22:58
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Listview is not displaying anything

I have the class response public class Resposta { private String Nome; private boolean Certo_Errado; public Resposta(String nome, boolean certo_Errado) { Nome = nome; Certo_Errado = certo_Errado; } public...
asked by 05.04.2018 / 18:49
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How to change toolbar to long click of a ListView

I'm a beginner on Android programming and would like to ask a question. I have a ListView that is connected to a SQLite database. My question is: how could I make it so that when the user gives a long click on an item in this list a new Toolbar...
asked by 17.04.2018 / 06:48
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My application for release mode. How to correct?

I'm developing an app with the Android Studio version 3.0 Canary , however I'm going through an annoying problem. I have initial activity with the login through Facebook . I already generated the release key to validate the login. Th...
asked by 19.03.2018 / 15:09
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Task execution with app not started [duplicate]

I want to make an app that will make queries from time to time in an API that returns JSON , processes and creates a notification. It would be the same as Whatsapp, which even closed (without being open or in the task manager) will ru...
asked by 09.03.2018 / 13:27
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How to resolve the NetworkOnMainThreadException error?

I'm having an error in passing the HTTP Client from JSON to Android. Follow my code in JSON: // constructor public void JSONParser() {} public JSONObject getJSONFromUrl(String url) { // Making HTTP request try...
asked by 18.06.2015 / 14:27