objective c - Show/Hide Password Toggle. Bug or Feature? -


i'm developing ipad application using xcode , objective-c. have ui includes password entry field , show/hide button (code shown below). tester has pointed out following inconsistent behaviour.

if password hidden , half typed in (e.g. "abc") , user hits toggle button show password , continues typing new characters (e.g. "def") added end of initial entry (making "abcdef"). , good.

however, if password shown , half typed in (e.g. "abc") , user hits toggle button hide password , continues typing new characters (e.g. "def") replace initial entry (making "def"). show/hide toggle not shows or hides text changes behaviour of uitextfield (append / clear , start over) when next character entered.

i can think of (not good) reasons why behaviour design, no 1 i've shown thinks good. can suggest quick fix (that prevents toggle hide text action clearing part entered password)?

- (ibaction)togglepasswordreveal:(id)sender {     if ([self.revealbutton.titlelabel.text isequaltostring:@"show"]) {         self.password.securetextentry = no;         [self.revealbutton settitle:@"hide" forstate:uicontrolstatenormal];     }     else {         self.password.securetextentry = yes;         [self.revealbutton settitle:@"show" forstate:uicontrolstatenormal];     } }

i can't find documentation it, recall changing secure entry setting changes clearsoninsertion.

look @ setting clearsoninsertion , / or using delegate methods textfieldshouldclear: , textfield:shouldchangecharactersinrange:replacementstring: modify behaviour.

i guess logic user not sure typed can't see characters sage option force user start over.


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