Questions tagged as 'android'

Tagged questions
2
answers

Asynchronous task never stops running

It's my first time explaining a programming problem in such a prestigious forum, so, I apologize if my question and explanation is not correct but I need help and I can not find a solution. I am developing an app for Android on a puzzle,...
asked by 27.12.2016 / 23:05
2
answers

Go from one fragment to another when selecting an item from a RecyclerView

I'm working with Tabs Fragments. Within the first fragment I receive Data from Firebase and show it with a recyclerview, I use the ItemClickSupport class for the onItemClicked method. This is my code: ItemClickSupport.addTo(recycler).setOnI...
asked by 18.01.2017 / 06:14
2
answers

Enter fix to a Custom GridView

I would like to know how to put data from an array to a Custom GridView, when it is just a matter of filling a simple Gridview it is done like this: ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(),...
asked by 07.06.2016 / 23:13
2
answers

Error with FileOutputStream

I'm trying to save an image of ImageView in the gallery of my mobile device and the problem is that I'm always creating the directory where I want to save the image and then the path when I'm going to do the% % co tells me that it does no...
asked by 29.08.2017 / 14:30
2
answers

Does not install apk

I am developing an app in Java for Android. When testing the application (debugging) on a smartphone, it installs and runs well. My problem comes when I install the application in production. I generate the signed apk without problems (And...
asked by 23.08.2018 / 14:52
3
answers

problems with inserting records in Android

I have a problem entering usuario and password , by console it throws the following:    table users have 3 columns but 2 values were supplied and in the emulator the app stops, the table was created with two fields and an id...
asked by 13.11.2016 / 17:59
1
answer

Android webview print

I have created an app that is a webview that opens a web page made in PHP in android as if it were an application, it works perfectly but the problem is that the buttons do not print they work, you give them and they do not do an...
asked by 01.03.2017 / 16:10
5
answers

Install APK generated by Android Studio

I'm doing an App from Android Studio and I gave it to try to download the application and install it on my cell phone even if it is not yet finished. So I went to Build > Generate Signed APK , I generated the JAR file and then I created my A...
asked by 11.03.2017 / 04:46
2
answers

Problem with JSON file?

I'm following a tutorial on how to create a gallery on android with glide and the information is in a file .json the code looks like this [{ "name": "Deadpool", "url": { "small": "http://api.androidhive.info/images/glide/small/deadpool.jpg...
asked by 01.11.2016 / 22:46
2
answers

Android notifications

I have the following problem. I have an app that receives push notifications from firebase. So far excellent. When I receive the notification, what I do is create a notification in the following way: private fun sendNotification(messageBody...
asked by 15.02.2018 / 16:10