Questions tagged as 'android'

Tagged questions
2
answers

Error saving SQLite data (no such table)

DatabaseHelper class: public class DatabaseHelper extends SQLiteOpenHelper { private static final String BANCO_DADOS = "MakeRequestApp"; private static int VERSAO = 1; public DatabaseHelper(Context context){ super(context, BANCO_DADOS, nu...
asked by 29.01.2017 / 14:17
3
answers

How to repeat a minute-by-minute notification

I'm creating a app Simple receiving a notification every time I click a button of my layout , everything works perfectly. Now I want this notification be repeated for example every minute until I disable it. Can anyone give me a hint how can...
asked by 02.02.2017 / 19:35
2
answers

How to eliminate the space left by invisible views on the screen?

I'm working on an android application and my question is: When the user logs into the application, it checks the permissions of the application. How can I make this button invisible and organize to not leave blank the space that this button occu...
asked by 24.11.2016 / 18:47
2
answers

Problem checking list

I have a problem that I do not understand because, it is the following: When I add an item to the list, it has to check if this item is already in the list but it is not doing it. if(textNameD.getText().length() > 0 && textNota.getT...
asked by 08.12.2016 / 17:19
2
answers

Find SQLite database on Android

Next, I'm creating an Android application, where I use a local SQLite database, never gave any type of registration or database query, so I never needed to get the database directly in the emulator, but now I need the problem I can not find this...
asked by 01.03.2018 / 21:32
2
answers

Delete button [duplicate]

Good afternoon, I made a delete method in my bank and called it in my activity, but my problem is that when I click the button it does not happen, and it does not show me any errors in LogCat, someone would know how to help me ? DbHelper:...
asked by 31.10.2016 / 19:02
2
answers

Picking time in the format: HOUR: MINUTE: SECOND

I currently use this code: // Pega a hora Date hora = new Date(); hora.getTime(); It returns me this:    Thu Aug 28 21:55:42 BRT 2014 I'd like a way to get only hour, minute, and second. How to do this?     
asked by 29.08.2014 / 02:57
1
answer

What does alpha test, beta test, and production mean in the Google Play Developer Console?

I'm doing my first app and when I uploaded it to the Google Play Developer Console, I was in doubt about which area I uploaded, because there are 3 options: Alpha Test, Beta Test and Production.     
asked by 13.07.2016 / 15:46
2
answers

How to use gradient on some Android component?

How do I use the degrade effect on some Android component? Such as the navigation bar, or a simple TextView ?     
asked by 22.03.2017 / 12:14
2
answers

How to set placeholder in EditText?

I created a small Android app containing only one activity. In it I put two EditText components. I want to set placeholders in them, as in HTML5 inputs, but I can not find a solution.     
asked by 06.09.2017 / 09:28