Colton Anglin Colton Anglin - 1 year ago 97
iOS Question

Make back button go to the previous view programmatically

I have a UIBarButtonItem and would like to programmatically set the action that goes to the previous controller (in my case, my previous view is a UITableViewController).

Below is my code that I am currently using to make the bar button item although the button doesn't go to the previous view yet.

UIBarButtonItem *leftButton = [[UIBarButtonItem alloc] initWithTitle:@"Done"
style:UIBarButtonItemStyleDone target:nil action:nil];
UINavigationItem *item = [[UINavigationItem alloc] initWithTitle:@"Website"];
item.leftBarButtonItem = leftButton;
item.hidesBackButton = YES;
[myBar pushNavigationItem:item animated:NO];

Answer Source

Add following code in your controller, in - (void)viewDidLoad function:

call [self addBackButtonWithTitle:@"back"]; if You want to custom backbutton with title.

or [self addBackButtonWithImageName:@"back_button_image_name"]; if You want custom backbutton with image.

 *  @brief set lef bar button with custom title
- (void)addBackButtonWithTitle:(NSString *)title {
    UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:title style:UIBarButtonItemStylePlain target:self action:@selector(backButtonPressed:)];
    self.navigationItem.leftBarButtonItem = backButton;

 *  @brief set left bar button with custom image (or custom view)
- (void)addBackButtonWithImageName:(NSString *)imageName {
    // init your custom button, or your custom view
    UIButton *backButton = [UIButton buttonWithType:UIButtonTypeCustom];
    backButton.frame = CGRectMake(0, 0, 40, 22); // custom frame
    [backButton setImage:[UIImage imageNamed:imageName] forState:UIControlStateNormal];
    [backButton addTarget:self action:@selector(backButtonPressed:) forControlEvents:UIControlEventTouchUpInside];

    // set left barButtonItem with custom view
    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:backButton];

- (void)backButtonPressed:(id)sender {
    [self.navigationController popViewControllerAnimated:YES];
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