Determine if there is any space in the TextField

Source: Internet
Author: User


-(void) viewdidload {    [super viewdidload];    Additional setup after loading the view, typically from a nib.        TextField    Uitextfield *textfield=[[uitextfield alloc]initwithframe:cgrectmake (+, +, +)];    Textfield.backgroundcolor=[uicolor Redcolor];    [Email protected] "123";    [Self.view Addsubview:textfield];        NSLog (@ "Determine if TextField is empty%i", [self Textfieldisnotempt:textfield]);        } Determine if the TextField is free-(BOOL) Textfieldisnotempt: (Uitextfield *) textfield{    if ([Textfield.text Stringbytrimmingcharactersinset:[nscharacterset whitespacecharacterset]].length!=0) {        return YES;    } else {        return NO;}    }

Determine if there is any space in the TextField

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