Textbox value converts to asterisk symbols like password edit field

I took one custom text box image, in that text box I want to show "Enter pa开发者_如何学运维ssword" and when I focus on to that text box field and enter any charectors it converts to asterisk symbols like password edit field.

I want like this below Image:

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I think it is possible by only overriding paint(..) of the Editfield. May be following steps can achieve the desired behaviour:

• Store original text to a local variable.
• Generate fake text depending on focus status, original text etc.
• Call super.paint(..), it will paint the field with fake text.
• Use setText(..) to set original text back.

Draft implementation:

class MyEditField extends EditField {
    private final static String INIT_TEXT = "Enter Password";

    protected void paint(Graphics graphics) {
        String originalText = getText();
        String fakeText = originalText;

        if (originalText.equalsIgnoreCase("")) {
            fakeText = isFocus() ? originalText : INIT_TEXT;
        } else {
            fakeText = "";
            for (int i=0;i<originalText.length();i++) {
                fakeText += '*';
            }
        }

        setText(fakeText);
        super.paint(graphics);          
        setText(originalText);
    }
}

Above code doesn't paint a border.

We need to set a monochrome font for the problem you have mentioned in comment. Here is a sample code:

MyEditField me = new MyEditField();

try {
    Font font = null;
    FontFamily fontFamily[] = FontFamily.getFontFamilies();
    for (int i=0;i<fontFamily.length; i++) {
        if (fontFamily[i].getName().equalsIgnoreCase("Courier New")) {
        font = fontFamily[i].getFont(FontFamily.SCALABLE_FONT, 
                            Font.getDefault().getHeight());
        me.setFont(font);
        break;
    }
    }
} catch (Exception e) {
}

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If I understand you correctly, you need to use a PasswordEditField.

Implement it just like any LabelField, and it will do what you need.

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I see you wanted the background text too - I would use drawText() from within the paint() method to draw that. The other answer that shows a full implementation by using EditField is also good.