e ai galera... seguinte eu to com uns problemas com o swing aqui...toda vez que coloco pra executar algo, como por exemplo um progress bar (feito atraves do netbeans) ele fica tipo desabilitado sem poder fazer nada com o…

Quando mexo com interfaces e vou fazer alguma tarefa, como acessar um banco ou algum processamento um pouco maior, coloco isso numa Thread separada para não ter esse problema de tratamento. Tente fazer o mesmo apra ver se nao da certo…

Swing >> Problemas

/*
 * NewJFrame.java
 *
 * Created on 18 de Outubro de 2008, 16:44
 */

package javaapplication1;

import javax.swing.SwingUtilities;

/**
 *
 * @author  Jonny
 */
public class NewJFrame extends javax.swing.JFrame {
	
	/** Creates new form NewJFrame */
	public NewJFrame() {
		initComponents();
	}
	
	/** This method is called from within the constructor to
	 * initialize the form.
	 * WARNING: Do NOT modify this code. The content of this method is
	 * always regenerated by the Form Editor.
	 */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        botao = new javax.swing.JButton();
        pbar = new javax.swing.JProgressBar();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        botao.setText("botao");
        botao.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                botaoActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(139, 139, 139)
                        .addComponent(botao))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(96, 96, 96)
                        .addComponent(pbar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(158, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(149, Short.MAX_VALUE)
                .addComponent(botao)
                .addGap(38, 38, 38)
                .addComponent(pbar, javax.swing.GroupLayout.PREFERRED_SIZE, 40, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(50, 50, 50))
        );

        pack();
    }// </editor-fold>

	private void botaoActionPerformed(java.awt.event.ActionEvent evt) {
		int minimo = 1;
		int maximo = 5;
		pbar.setMinimum(minimo);
		pbar.setMaximum(maximo);
		for (int i = minimo; i <= maximo; i++) {
			final int percent = i;
			try {
				SwingUtilities.invokeLater(new Runnable() {
					public void run() {
						pbar.setValue(percent);
					}
				});
				Thread.sleep(1000);
			} catch (InterruptedException e) {

			}
		}
}
	
	/**
	 * @param args the command line arguments
	 */
	public static void main(String args[]) {
		java.awt.EventQueue.invokeLater(new Runnable() {
			public void run() {
				new NewJFrame().setVisible(true);
			}
		});
	}
	
    // Variables declaration - do not modify
    private javax.swing.JButton botao;
    private javax.swing.JProgressBar pbar;
    // End of variables declaration
	
}

2 Respostas

Topicos relacionados