IOS Uitextview Plus placeholder

Uitextview on how to add a similar to the Uitextfield placeholder, in fact, add a uilabel on Uitextview, and then realize

-(BOOL) TextView: (uitextview *) TextView shouldchangetextinrange: (nsrange) range Replacementtext: (nsstring *) Text This proxy method is possible.

The specific implementation is as follows:

-(BOOL) TextView: (Uitextview *) TextView Shouldchangetextinrange: (nsrange) Range Replacementtext: (NSString *) text{    if (![ Text isequaltostring:@ ""]) {        _label1.hidden = YES;    }        if ([Text isequaltostring:@ ""] && range.location = = 0 && Range.length = = 1) {        _label1.hidden = NO;
   }    return YES;

The description is as follows:

(1) _label1 is added to the Uitextview on the Uilabel

(2) [text isequaltostring:@ ""] means the backspace bar is entered

(3) range.location = = 0 && Range.length = = 1 indicates the first character entered

The effect is as follows:

IOS Uitextview Plus placeholder