Questions tagged as 'android'

Tagged questions
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How to fix the APK error completely hidden?

Whenever I go to publish an App in the store this error appears:    Fully hidden APK       Problem: This APK will not be served to users because it is   completely hidden by one or more version-code APKs   higher.       Resolution: Remove t...
asked by 05.09.2017 / 20:53
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Chart pizza is not being "sliced" using SfChart

I made this chart using Syncfusion Chart, private async void CriaChart() { SfChart chart = new SfChart(); DataService dataService = new DataService(); try { PieSeries pieSeries = new PieSeries() { I...
asked by 20.10.2017 / 19:59
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GridView - Items repeating at random

I have a grid view problem. This grid contains n products that are displayed on the screen, so the grid of some users have scroll. When there is no scrolling, the products are displayed normally, however when there is a random start. From wha...
asked by 15.09.2017 / 17:56
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ImageButton does not correctly display image background

I have a school system with schedule of each course and I have an activity where the user must select his course to have access to his schedule. This activity has 5 imageButtons but these imageButtons are not being displayed properly, eve...
asked by 03.08.2017 / 03:02
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How to prevent onItemSelected from being called when using setSelection?

I have ListView and within each item it loads a Spinner with some information. The way I want it to work (Expectation): The first time you load Activity , display the user a list and within each item of it, have a Spi...
asked by 19.07.2017 / 15:48
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Retrofit always returning null in Response

The answer comes with code 200, that is, correct, but the body is null. Follow the model: public class MovieModel { @SerializedName("imdbID") @Expose public String idMovie; @SerializedName("Title") @Expose public St...
asked by 25.07.2017 / 20:48
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How to make an authenticated user see the posts of another authenticated user?

When I get the reference from the node in the database and I use the child to return the current user's data, it works cool, but I do not know how to implement the feedback of other authenticated users in the app. postagemRef = database.getRefe...
asked by 23.07.2017 / 03:47
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Notification on Android does not disappear from notifications bar

I'm working with notifications on android . The notification appears when it is supposed to and makes a certain question to the user, who in turn only has to answer "yes" or "no" through the two buttons that the same notification makes...
asked by 26.07.2017 / 13:33
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Xamarin.Android error "PresentationFramework"

I have this error in my project Xamarin.android Severity Code Description Project File Line Suppression State Error Exception while loading assemblies: System.IO.FileNotFoundException: Could not load assembly 'PresentationFramework, Version...
asked by 26.07.2017 / 20:38
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Keep focus of item BottomNavigationView clicked after rotating screen

I have a problem when I rotate the screen. I have the following structure: A HomeActivity that handles the clicks in the BottomNavigationView (there are 4 items) Each BottomNavigationView item loads a Fragment with different data How...
asked by 23.08.2017 / 14:13