Questions tagged as 'android'

Tagged questions
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Developer error Android studio

When you want to log in with Gmail Firebase in the app, you get this error From what I have read one of the failures is because the signed the apk with another key SHA-1 other than the one I have in firebase but when I try to add the ne...
asked by 20.08.2018 / 18:02
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Firebase notifications with closed app

I am implementing a system in which I receive push notifications with Firebase. If the application is open or in the background, I am able to capture the notification sent by firebase, I take the data and if I am interested I show a notificat...
asked by 20.08.2018 / 07:52
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Get information from the android gpu, freq / model / version opengl etc / the governor or similar

I wanted to know if I could get that information from the terminal, especially the frequency look for information and what is closest is this dumpsys command | grep GLES but I need information like the frequency etc, I found this page of m...
asked by 19.08.2018 / 21:30
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How do I select a navigation menu item and modify it by code?

I need to take an item and modify it according to a condition. I do not want the item to change when I click on it. This is my code now. public boolean onNavigationItemSelected(MenuItem item) { // Handle navigation view i...
asked by 17.08.2018 / 21:01
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Change selected item in NavigationView when I change the fragment

good morning. I have a problem in which I have the NavigationView template generated by Android Studio, the items in the navigation bar are associated with a fragment, the scroll between the fragments using the navigation bar works fine, but whe...
asked by 15.08.2018 / 11:49
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Android API error?

Good day community, best regards. I have a problem with an app, it has a login, when I enter, when I use Android 7.0 or higher it works normally, and if I do the same thing on a device with Android less than 7 it closes and throws me these e...
asked by 15.08.2018 / 02:56
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Error DrawerLayout and NavigationView

I would like to know how I can fix this "DrawerLayout" error Also, it tells me that I also have another problem with the "NavigationView" I share my code in case I missed an error too * activity_main build.gradle (Module...
asked by 15.08.2018 / 01:47
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java.lang.NullPointerException: Attempt to invoke interface method 'void android.view.inputmethod.InputConnection.closeConnection ()'

I have this problem when implementing a MapView on a fragment public class UbicacionMiEmpresa extends Fragment implements OnMapReadyCallback{ MapView mapView; GoogleMap mGoogleMap; View vista; @Override public void onCreat...
asked by 15.08.2018 / 23:08
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Edittext without text in app, but if it appears in preview?

I have a problem that breaks my head, I recently changed the manifest and I put it not actionbar from there it moved everything and and no longer appear letters in the edit text step pictures of what happens and code, I hope you can help me plea...
asked by 16.08.2018 / 03:01
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AAPT2 error: check logs for details 2018

How about again friends, I was trying to execute a project until I suddenly got the AAPT2 error. I have read that to disappear you have to solve the errors from the last. And these are the errors that appear to me. I do not mark erro...
asked by 16.08.2018 / 07:16