Questions tagged as 'android-studio'

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MySQL Wildcards in Android Studio

I have made a query in MySQL and it works perfectly until the wildcard% is introduced in front of the text to be searched with LIKE (behind it goes well) This is the query: SELECT id_ave, DATE_FORMAT(fch_ave,'%d/%m/%Y') AS 'fecha', zon_a...
asked by 27.08.2018 / 10:02
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Image create and modify

Good morning classmates! First of all I told you that I am a beginner in Android, I use android studio. In my Android project I have an image in the path: app/assets/imagen_origen.png and I have to make a copy of image_origin.png to...
asked by 24.08.2018 / 16:51
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Android studio EditorLayout problems

the views of my interface are not shown in the android editorLayout help, thanks ] 1     
asked by 23.08.2018 / 07:13
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layout_columnSpan of GridLayout with code

I have an app with a GridLayout with several rows and columns and I want the columns and rows to be combined with each other (they expand) depending on a certain entry, meaning that this change was made through code: I want the rows to...
asked by 23.08.2018 / 23:35
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keep data from a recycler view when exiting and reopening the shared preferences app

Hello, how are your colleagues? My question is how do I keep the session and the data of a recycler view within an activity? I have tried with sharedprefrences and it brings me the data that I store, but not the necessary data for the recycler v...
asked by 20.08.2018 / 17:41
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my Android application does not connect to my SQL Server

I am making an application for User Logging, when running the emulator I can register users, check the users' stock in my Database , but when I run the application on my phone, I do not know connect to my Database . This is my connection co...
asked by 18.08.2018 / 18:06
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Is it possible to send a json to a web service with volley?

I have been reading and everything that appears to me is to receive a response from the server and send data to it by parameters within the URL. What I would like to know is if there is the possibility that from my Android app I send a json to m...
asked by 17.08.2018 / 21:40
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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 / 03:47
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Problem with the scanner

I have a form with several Editext. I fill the editext and then I press the scan button. The scan is performed, it returns the value to the corresponding editext but it deletes the other editext that it had previously filled out. What should I d...
asked by 17.08.2018 / 17:56
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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 / 09:16