Questions tagged as 'java'

Tagged questions
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answers

I can not display files in a new tab

I have a page with a list of attached files that when clicked should open in a new browser tab. But when clicking on the file a new tab is opened and Error 404 appears. The file is being saved in a folder and only your reference is saved in the...
asked by 26.12.2018 / 15:31
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I can not discover the Bluetooth devices in this app

I'm a beginner in dev Android and I'm trying to search for devices not paired with the device, but the code I wrote does not even enter the BroadcastReceiver part. I read the documentation from Android Studio but I do not think I understood very...
asked by 20.12.2018 / 23:48
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Authenticator.setDefault

We have an SDK that uses a proxy to connect to the servers. This requires authentication. Follows: Authenticator.setDefault(new Authenticator() { @Override protected PasswordAuthentication getPasswordAuthenticati...
asked by 12.12.2018 / 18:29
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What is the difference between JavaJDK and OpenJDK?

I've been researching and from what I've seen both are kept Oracle skin ... But if java is also open source, what is the need for OpenJDK? Or am I mistaken about Java if open source?     
asked by 29.05.2017 / 20:27
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Upload FTP Images

I need to make a function that checks if there is any image in the folder: ("/storage/emulated/0/Pictures/GRP/"); if it needs to send the images via FTP. Would someone have a light to help me? I'm lost at this stage. If necessary, I'll ev...
asked by 12.12.2018 / 20:00
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Method not called when using the command button

I have two methods in two different dialogs: adicionarRelato and RetificarRelato . adicionarRelato perfectly executes the command button click on the first dialog. But the retificarRelato of the second dialog...
asked by 10.12.2018 / 00:19
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How to resolve ERROR: HHH000346: Error during managed flush [org.hibernate.exception.SQLGrammarException: could not execute statement]

When I try to run my test class, I get this error below. I do not know what to do anymore, when I comment on the FOLDERAUTOUPDATE attribute of the class ApplicationItv the insertion works in the bank, however I need it. Can anyo...
asked by 10.12.2018 / 11:39
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Open an activity by clicking on an item in a list view

I'm a bit lost already, I want when I click on an item in the list it opens another activity, but I only get toast ... I'm a beginner so if you can help me thank you. public class estatisticas extends AppCompatActivity { @Override protected v...
asked by 25.12.2018 / 07:19
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Android - Views remain in the background of RecyclerView

I have an application that is basically a video player, in the gallery it happens that when I change the orientation of the screen or return of the player to the fragment the bottom of the RecyclerView gets "polluted": Asyoucansee,it'sasif...
asked by 14.12.2018 / 18:56
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Doubt when fetching data in Firebase and insert in MaterialCalendarView Android

Friends made an App for my wife that is nothing more than a calendar that stores the eyelash Extensions calls she makes, I use the Firebase RealTime Database, however over time the stored and returned data has been increasing, causing I am tryin...
asked by 14.12.2018 / 18:38