Flex 4: Changing the “displayAsPassword” default character
Today I ran into a situation where I wanted to display my password characters as a bullet versus the default asterisk (“*”).
I thought this would be pretty simple to do but realized after digging through the Flex 4 SDK that there was no public property I could set to change this. I tried hacking commitProperties and a couple of other methods but came up short in those areas as well until I found the exact spot in the Flex libraries where this character was defined:
RichEditableText.as (line 679)
1 2 3 4 | /** * @private */ mx_internal var passwordChar:String = "*"; |
A-ha! I see here that it’s prefixed with the “mx_internal” namespace and I remembered from other examples around the web that you can easily tap into that namespace and modify properties not normally meant to be modified.
Luckily, I had already extended the TextInput class for various other reasons and decided to add an event listener for the CREATION_COMPLETE lifecycle event of the component. This was added in the constructor:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | import mx.core.mx_internal; /** * Constructor */ public function myTextInput() { super(); this.addEventListener( FlexEvent.CREATION_COMPLETE, onCreationComplete ); } private function onCreationComplete( event : FlexEvent ) : void { //change internal passwordChar to a bullet versus an asterisk this.textDisplay.mx_internal::passwordChar = "●"; } |
…and voila! By tapping into the mx_internal namespace, I found I could modify the normally private variable “passwordChar” and set it to something I preferred better (in this case, the bullet point used in some sites like Twitter).
Hope this helps someone!
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far this season, with the midfielder featuring in all 24 games across competitions for Vincent Kompany’s side.
The German giants currently sit top of the
Bundesliga, four points clear of reigning champions Bayer Leverkusen.
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has been linked with Liverpool in the past
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they compete on all fronts in 2024-25
It comes after Leverkusen won the title last year, which ended
Bayern’s run of triumphing in 11 successive seasons between 2012 and 2023.
Meanwhile, Liverpool return to action on Wednesday when they face Tottenham in the first leg of their Carabao Cup semi-final.
The Reds then entertain Accrington Stanley in the
FA Cup third round at Anfield on Saturday.
Arne SlotBayern MunichLiverpool
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