Questions tagged as 'android'

Tagged questions
2
answers

Error running Activity

When I click on a button, I send it to execute an activity where I show a layout, but when I try to execute it, I get the error: Java.Lang.ClassNotFoundException: md5f22d74140d7efc8f033f3e312f703c5e.NombreActivity This is the part where I s...
asked by 11.12.2017 / 23:11
1
answer

Floating Window - questions [closed]

I'm doing an app in which I use a drawer and fragments and I need to click on a button that generates me as a floating window in which I show a table with two columns, the question would be, can you do that? on android? and how would I do it or...
asked by 02.08.2018 / 13:34
1
answer

Error declaring ArrayAdapter as public (global) [closed]

I have an error in declaring ArrayAdapter as public (global), when I do it within a method it works perfect, but since public0 gives the following error. Someone helps me solve it please.     
asked by 16.11.2017 / 01:44
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Update data from a nav header menu from a fragment on Android

I'm new to Stack, my question is this: I want to change the user and mail text of a nav header from a fragment. I have an application that when logging passes some parameters to the menuActivity and from there I update the data of the nav header...
asked by 16.11.2017 / 05:01
1
answer

How to access a global variable from a fragment?

Cordial greeting, I have these global variables in a java class: package com.windroid.dinas; import android.app.Application; public class GlobalVariables extends Application { private String Name; public String getName() {...
asked by 15.03.2017 / 07:53
1
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How to save an url image in internal storage in Kotlin?

How do I save an image that I receive in a url in the internal storage of android so that it can be seen in the smartphone gallery? Example, my app receives an image type " link " and when a button is pressed, it is saved in the memory. Th...
asked by 02.04.2018 / 11:38
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Save status of a fragment with Recyclerview [closed]

@Override public void onStart() { super.onStart(); FirebaseRecyclerAdapter<Item,SandwichViewHolder> firebaseRecyclerAdapter=new FirebaseRecyclerAdapter<Item, SandwichViewHolder>( Item.class,...
asked by 20.03.2017 / 03:15
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Retrofit, login correctly but the app is closed

Well then that, trying to change the activity by pressing the button, enters the success correctly but closes the application with the Intent there. Did I leave something behind? The call to Retrofit mLoginButton.setOnClickListener(new...
asked by 28.03.2017 / 18:58
1
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Go from one activity to another

I get the user data and password from Firebase, but when using the code to pass another activity, the app is closed. Toast.makeText(Login.this, "Bienvenido", Toast.LENGTH_SHORT).show(); Intent intent = new Intent (Login.this, Perfil.class); st...
asked by 30.05.2018 / 15:21
1
answer

Firebase Seat Reservation Bus Query

I want to make an application like ADO, to buy your bus tickets to travel, the problem has arisen at the time of making the travel search available on that date, I have thought for hours and can not find the ideal structure to achieve look for s...
asked by 29.01.2018 / 05:49