I have this Button in my Adapter of RecyclerView and when I click on it you should update my RecyclerView with the method ActualizarRecyclerView
holder.delete_nota.setOnClickListener(new View.OnClickListe...
I'm trying to create a class to get the predefined data, but when I call the method Load() the app stops.
Could you help me? Thanks
package com.example.nano.prueba.login.loginprueba;
import android.content.Context;
import android.conte...
A question, for example to create a recyclerView I have to create its adapter and put the design inside, now well if I want another design I necessarily have to create another adapter ?? in itself it would be every recyclerView has its own adapt...
I would like to know if I am doing it correctly.
I have many EditText and it is difficult to be casting by casting assigning.
Before this I do the following:
EditText[] Informacion;
Informacion = new EditText[]{
(EditText)fi...
The following Activity gets the data of a file in PHP that generates a JSON with the data obtained from MYSQL , I am new in this JAVA ANDROID , and I have little experience in PHP , I barely defend myself,...
When I pass a variable from the activity of the navigation drawer to a fragment, it gives me an error of null when retrieving that variable. I'm going to put only the necessary code. This activity receives variables from the main and puts them i...
Hi, I am programming in android studio and I need to know how to detect if an android device has a camera with flash and then launch a Toast informing if it has a camera or not with flash.
What I am trying to do is to have an application where there is a button, when I press the button I want to change the Background image of the Android system .
I want to change this image:
I have researched how I can do this, but th...
Well, that worked perfectly ... I updated the Android Studio and now it does not work.
I see errors in build, Run tasks .. and I have no idea what it is or how to solve it
This is an image of what I see
I also see that in one of m...
I have a Recyclerview and a Cardview the problem is that I want to open a new activity by selecting from the 6 different items that the list shows, I have obtained the position of the items when I press but when I try to implement...