Questions tagged as 'java'

Tagged questions
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ImageView of another Activity

How to use imageview of other activity ? @Override public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) { if (groupPosition == 0) switch (childPosition) {...
asked by 13.07.2017 / 20:28
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Application giving Crash on a button within a custom AlertDialog

I'm working with Alert Dialogs and I had an error where the application stopped responding. The following code refers to a snippet where the Google Maps API is being used, which means that when I click on a specific marker it will open an AlertD...
asked by 22.06.2017 / 19:13
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Insert data into table with jsf, hibernate jpa

I am having problems, in the project I am developing in jsf using jpa and hibernate. I am not able to register the customer data in my database how can I relatify the registration? Code EntityManagerFactory factory = Persistence.createEntit...
asked by 22.06.2017 / 01:19
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Error while editing through SQLITE

I'm trying to edit an information that is saved on the SQLITE side. I'm working with fragments.  But I have the following error: FATAL EXCEPTION: main P...
asked by 22.06.2017 / 20:40
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How to generate a pdf with Primefaces 5.3 using dataexport

This is my screen for generating pdf <p:panel style="margin-left:30%" id="pnlTituloGabarito"> <p:commandButton value="Export to PDF" ajax="false"> <p:dataExporter type="pdf" target="subTableRespostas" fileName="g...
asked by 08.06.2017 / 01:39
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Object disappear in a certain place on the page

My question is: I want / need a code for my site, which works as follows: When the user uses the mouse scroll to go down near the footer of the page, the Div called for example: Advertising disappears in a certain part. I found a jquery...
asked by 06.06.2017 / 21:55
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Consume WebService PHP using Java / Android [closed]

I build following a friend's guidance a webservice using php (actually it's a web application that returns all requests made via post a string in json format). First what I would like to know is if this what I did is actu...
asked by 06.06.2017 / 23:17
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Help with algorithm of "n" prime numbers in an ArrayList

Please, I need urgent help, how to fix my code? every time I call the right error method, I'm a beginner and I'm locked in an exercise that requires prime numbers based on a number n (in this case this.n), for example the number is 20, it...
asked by 30.05.2017 / 06:28
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Array returns wrong value in java

I have a question about a college job. I can read with numbers, remove the ";" and pass the values to the array while reading the file. However, when I try to access an array position outside of the file read, it does not return the value I have...
asked by 08.06.2017 / 01:17
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Application closes when I try to log in without filling in the fields

I'm developing an application, and I'm not getting the login screen to verify that the fields are being filled or if they have the wrong username and password. Here is the login code. It logs normal, the problem is when I log in without filli...
asked by 30.05.2017 / 17:18