Questions tagged as 'java'

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Upload Image java to javascript

I'm developing a rest web service with Spring in Java that provides images to the front-end , which calls Java with an ajax event. On the server side I'm using Image from java. import java.awt.Image; I create an image based on another...
asked by 27.12.2016 / 14:37
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java error running via jar

I have a code that makes a request to a WS. When I run via NetBeans, the code works perfectly, but when I do via java -jar programa.jar the system has the following error: com.sun.xml.internal.messaging.saaj.client.p2p.HttpSOAPConn...
asked by 26.12.2016 / 18:15
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Problem with spinner selection

I've been running a project and have encountered the following problem (s):    endAllActiveAnimators on 0xd0f0b880 (DropDownListView) with handle   0xdd169490 I do not know what you mean, can anyone help me? Here is my code for Activit...
asked by 23.12.2016 / 20:16
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Uploading image and updating

I have an application in javaEE where one of the requirements is to upload an image used for the user profile. Everything you've been up to now:  1. Selects the image to be edited (Cut, Rotate and etc);  2. The photo is passed as base64 to th...
asked by 24.12.2016 / 01:51
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How to break (split) strings and put result in separate variables? [closed]

public class Teste30 { public static void main(String[] args) { // TODO Auto-generated method stub String teste = "Isso funciona mesmo, ok?"; String [] vetor = teste.split(" "); String aqui = null; S...
asked by 18.12.2016 / 04:44
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Conversion error in the imageframe component of Primefaces

I'm trying to crop an image with the imageCropper component of Primefaces, but in the implementations I've done it only gives conversion error, and when not, the croppedImage object that Primefaces implements comes null. Note: The...
asked by 19.12.2016 / 12:42
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Method does not save photo archive

I'm making an application on Android, but I can not save a photo file. btnFoto.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { // Intent de camera...
asked by 06.01.2017 / 22:04
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write text to file

I'm using this code to write to the file: try(BufferedWriter bw = Files.newBufferedWriter(caminho, formato)){ bw.write("frase teste\n"); bw.write("outra coisa"); }catch(IOException e) { e.printStac...
asked by 06.01.2017 / 01:07
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Return a value from a method (JSON Array)

Hello, I have a method that fetches the URL through JSON and wanted to return that value from the method to the mainActivity, to display. package com.example.fabio.domoticaa; import android.content.Intent; import android.os.Bundle; import and...
asked by 05.01.2017 / 23:00
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List a user's groups on an AD server

I need to list the groups of a user X on the AD server. I have the following code snippet that already authenticates on the server and returns me all groups: public static boolean authenticateJndi(String username, String password) throws Exc...
asked by 25.01.2017 / 12:38