Questions tagged as 'android-studio'

Tagged questions
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ListView shows 1 item only

Wenas People, I have a Fragment where the listView is. And I do not understand why it does not add to the list. I'm going to try to be as clear as possible in the code because I can not think of anything else anymore. When I debug it appears tha...
asked by 12.12.2018 / 04:57
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Why do I get this error? volley.clientError

I find myself making a record and this error appears. public class Registrarse extends AppCompatActivity { EditText identificacion,nombres,telefono,direccion,email,password; Button registrarse,iniciar; RequestQueue rq; String U...
asked by 11.12.2018 / 01:19
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How to pass an EditText from Android to Integer

I am a beginner in programming and I found this problem in Android Studio. I have EditText codNegocio; codNegocio = (EditText) findViewById(R.id.txtnegocio); The thing is that I want to insert numeric data in that edit text since the r...
asked by 10.12.2018 / 06:54
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Android Studio - Inflate PopupMenu with custom layout?

I try to inflate the popupmenu with a custom layout, I do not want to load it from the resources "menu". I have the following code: imageButtonMasOpciones.setOnClickListener(new View.OnClickListener() { @Override public void on...
asked by 09.12.2018 / 21:48
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Fill Mapview with bookmarks from Json with Retrofit (Help)

I am working on an app that fills a MapView with markers brought from a Web Service using Retrofit, and I have been trying to create a method to add all the markers from Json to the MapView, but it only adds 1, Does anyone know in that Could I b...
asked by 08.12.2018 / 22:27
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How can I encrypt and decrypt in android studio with 3DES (TRIPLE DES)? [closed]

I need to bring keys from a database but they are encrypted in triple des and when I insert a new one I must encrypt it.     
asked by 10.12.2018 / 17:23
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Bluetooth in ActivityMain for different Fragments

I have an application that uses TabbedActivity with 3 Fragments where the intention is to show data received by bluetooth. My idea is to put in the main class the reception of the data that I will keep in Lists and those Lists to pass them to...
asked by 05.12.2018 / 20:32
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Defocused Background in NavigationDrawer

I come with a situation, I must blur the background when opening the drawe, but only under the drawer, I have read that I must take a snapshot of the background, select that image, cut it and then blur it, this is the effect searched: B...
asked by 04.12.2018 / 01:16
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Coin converter in android studio

I'm doing a currency converter in android, with three currencies (euro, dollar and pound) but I can not get conversions right. I do not know what fault I have and I can not clarify it, I leave the MainActivity.java class to see if someone can de...
asked by 02.12.2018 / 14:52
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Fragments life cycle - Error

Good day My application consists of an activity where a Fragment (F) is initially loaded getSupportFragmentManager() .beginTransaction() .add(R.id.content_frame, newFragment).commit(); F contains 3 buttons, each of t...
asked by 02.12.2018 / 15:00