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Use SwingUtilities to avoid deadlock in GUI mini app

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This commit is contained in:
Sean Owen 2022-10-23 16:20:22 -05:00
parent 0ea0ecddc5
commit bdc7c26526
1 changed files with 16 additions and 5 deletions
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21
javase/src/main/java/com/google/zxing/client/j2se/GUIRunner.java
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@ -38,6 +38,7 @@ import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;
import javax.swing.text.JTextComponent;
@ -69,16 +70,26 @@ public final class GUIRunner extends JFrame {
}
public static void main(String[] args) throws MalformedURLException {
GUIRunner runner = new GUIRunner();
runner.setVisible(true);
runner.chooseImage();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
GUIRunner runner = new GUIRunner();
runner.setVisible(true);
runner.chooseImage();
}
});
}
private void chooseImage() throws MalformedURLException {
private void chooseImage() {
JFileChooser fileChooser = new JFileChooser();
fileChooser.showOpenDialog(this);
Path file = fileChooser.getSelectedFile().toPath();
Icon imageIcon = new ImageIcon(file.toUri().toURL());
Icon imageIcon;
try {
imageIcon = new ImageIcon(file.toUri().toURL());
} catch (MalformedURLException muee) {
throw new IllegalArgumentException(muee);
}
setSize(imageIcon.getIconWidth(), imageIcon.getIconHeight() + 100);
imageLabel.setIcon(imageIcon);
String decodeText = getDecodeText(file);