Coloco uma imagem no JFrame e para de compilar

Eu compilo o código da “BUILD SUCESS” e não aparece a tela e eu retiro a imagem e volta a funcionar

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
	at java.desktop/javax.swing.ImageIcon.<init>(ImageIcon.java:217)
	at br.com.unissales.TesteTrabalho.visao.FrmTelaPrincipal.initComponents(FrmTelaPrincipal.java:94)
	at br.com.unissales.TesteTrabalho.visao.FrmTelaPrincipal.<init>(FrmTelaPrincipal.java:21)
	at br.com.unissales.TesteTrabalho.visao.FrmTelaPrincipal$6.run(FrmTelaPrincipal.java:186)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
------------------------------------------------------------------------
BUILD SUCCESS

To change this license header, choose License Headers in Project Properties.
To change this template file, choose Tools | Templates
and open the template in the editor.
*/
package br.com.unissales.TesteTrabalho.visao;

import java.awt.Toolkit;

/**
*

@author Gamer
*/
public class FrmTelaPrincipal extends javax.swing.JFrame {

/**

Creates new form FrmTelaPrincipal
*/
public FrmTelaPrincipal() {
initComponents();
setIcon();
}

/**

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.

*/

@SuppressWarnings(“unchecked”)

// 

private void initComponents() {

jButton1 = new javax.swing.JButton();

jButton2 = new javax.swing.JButton();

jButton4 = new javax.swing.JButton();

jButton3 = new javax.swing.JButton();

jLabel1 = new javax.swing.JLabel();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

setTitle(“ADM”);

setBackground(new java.awt.Color(203, 202, 199));

jButton1.setBackground(new java.awt.Color(52, 175, 35));

jButton1.setFont(new java.awt.Font(“Tahoma”, 1, 12)); // NOI18N

jButton1.setText("  Cadastro de Clientes");

jButton1.setToolTipText("");

jButton1.setBorderPainted(false);

jButton1.setHorizontalTextPosition(javax.swing.SwingConstants.RIGHT);

jButton1.addMouseListener(new java.awt.event.MouseAdapter() {

public void mouseClicked(java.awt.event.MouseEvent evt) {

jButton1MouseClicked(evt);

}

});

jButton1.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jButton1ActionPerformed(evt);

}

});

jButton2.setBackground(new java.awt.Color(52, 175, 35));

jButton2.setFont(new java.awt.Font(“Tahoma”, 1, 12)); // NOI18N

jButton2.setText(“Cadastro de Produtos”);

jButton2.setBorderPainted(false);

jButton2.setHorizontalTextPosition(javax.swing.SwingConstants.RIGHT);

jButton2.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jButton2ActionPerformed(evt);

}

});

jButton4.setBackground(new java.awt.Color(52, 175, 35));

jButton4.setFont(new java.awt.Font(“Tahoma”, 1, 12)); // NOI18N

jButton4.setText("        Pedidos");

jButton4.setToolTipText("");

jButton4.setBorderPainted(false);

jButton4.setHorizontalTextPosition(javax.swing.SwingConstants.RIGHT);

jButton4.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jButton4ActionPerformed(evt);

}

});

jButton3.setBackground(new java.awt.Color(52, 175, 35));

jButton3.setFont(new java.awt.Font(“Tahoma”, 1, 12)); // NOI18N

jButton3.setText(“Gestão de Funcionários”);

jButton3.setBorderPainted(false);

jButton3.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jButton3ActionPerformed(evt);

}

});

jLabel1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/br/com/unissales/TesteTrabalho/visao/icon/logo_green_food.png"))); // NOI18N

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());

getContentPane().setLayout(layout);

layout.setHorizontalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addContainerGap()

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(jButton2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jButton1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jButton4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jButton3, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 495, Short.MAX_VALUE))

.addContainerGap())

.addGroup(layout.createSequentialGroup()

.addGap(148, 148, 148)

.addComponent(jLabel1)

.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

);

layout.setVerticalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addContainerGap()

.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 83, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 84, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jLabel1)

.addContainerGap())

);

layout.linkSize(javax.swing.SwingConstants.VERTICAL, new java.awt.Component[] {jButton1, jButton2, jButton4});

pack();

setLocationRelativeTo(null);

}//

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {

new FrmClientes((this), true).setVisible(true);

}

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {

new FrmProdutos((this), true).setVisible(true);

}

private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {

new FrmPedidos((this), true).setVisible(true);

}

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {

new FrmFuncionarios((this), true).setVisible(true);

}

private void jButton1MouseClicked(java.awt.event.MouseEvent evt) {

// TODO add your handling code here:

}

/**

@param args the command line arguments
/
public static void main(String args[]) {
/ Set the Nimbus look and feel /
//
/ If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
- For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
  */
  try {
  for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
  if (“Nimbus”.equals(info.getName())) {
  javax.swing.UIManager.setLookAndFeel(info.getClassName());
  break;
  }
  }
  } catch (ClassNotFoundException ex) {
  java.util.logging.Logger.getLogger(FrmTelaPrincipal.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  } catch (InstantiationException ex) {
  java.util.logging.Logger.getLogger(FrmTelaPrincipal.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  } catch (IllegalAccessException ex) {
  java.util.logging.Logger.getLogger(FrmTelaPrincipal.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  } catch (javax.swing.UnsupportedLookAndFeelException ex) {
  java.util.logging.Logger.getLogger(FrmTelaPrincipal.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  }
  //
```
/* Create and display the form */

java.awt.EventQueue.invokeLater(new Runnable() {

public void run() {

new FrmTelaPrincipal().setVisible(true);

}

});

}
```

// Variables declaration - do not modify

private javax.swing.JButton jButton1;

private javax.swing.JButton jButton2;

private javax.swing.JButton jButton3;

private javax.swing.JButton jButton4;

private javax.swing.JLabel jLabel1;

// End of variables declaration

private void setIcon() {

setIconImage(Toolkit.getDefaultToolkit().getImage(getClass().getResource(“icon.png”)));

}

}

o caminho da imagem ta automatico: /br/com/unissales/TesteTrabalho/visao/icon/logo_green_food.png

2 Respostas

Topicos relacionados