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Tuesday, 29 September 2015

iOS Generate Random string

+(NSString *) generateRandomString
{
    NSString *letters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
    int len = 8;
    NSMutableString *randomString = [NSMutableString stringWithCapacity: len];
    
    for (int i=0; i<len; i++) {
        [randomString appendFormat: @"%C", [letters characterAtIndex: arc4random_uniform([letters length])]];
    }
    
    return randomString;

}

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