How to create a round button?

Question

I want to create a round circular button. This button should look like a circle.

This code gives round rectangular button.

UIButton *button = [UIBut         


        

Answer 1

Tested Code:

.h

 #import 

-(void)roundButtonDidTap:(UIButton*)tappedButton;

.m

#define ROUND_BUTTON_WIDTH_HEIGHT YourButtonWidthToBeSetHere

-(void)roundButtonDidTap:(UIButton*)tappedButton{

    NSLog(@"roundButtonDidTap Method Called");

}



UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];

[button setImage:[UIImage imageNamed:@"TimoonPumba.png"] forState:UIControlStateNormal];

[button addTarget:self action:@selector(roundButtonDidTap:) forControlEvents:UIControlEventTouchUpInside];

//width and height should be same value
button.frame = CGRectMake(0, 0, ROUND_BUTTON_WIDTH_HEIGHT, ROUND_BUTTON_WIDTH_HEIGHT);

//Clip/Clear the other pieces whichever outside the rounded corner
button.clipsToBounds = YES;

//half of the width
button.layer.cornerRadius = ROUND_BUTTON_WIDTH_HEIGHT/2.0f;
button.layer.borderColor=[UIColor redColor].CGColor;
button.layer.borderWidth=2.0f;

[self.view addSubview:button];

Result

Geometry in this concept