UITableView with static cells does not appear

Don’t implement any of the methods below when you use the static table view: – (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { } – (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { } – (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { }

IOS7, Segue and storyboards – How to create without a button?

Delete the current segue. Attach the segue from the origin view controller to the destination (and then name it). Now, your button press method should look something like this: Objective-C: – (IBAction)validateLogin:(id)sender { // validate login if (validLogin) { [self performSegueWithIdentifier:@”mySegue” sender:sender]; } } Swift: @IBAction func validateLogin(sender: UIButton) { // validate login if validLogin … Read more

What is the difference between a .xib file and a .storyboard?

Apple introduced the concept of “storyboarding” in iOS5 SDK to simplify and better manage screens in your app. You can still use the .xib way of development. Pre-storyboard, each UIViewController had an associated .xib with it. Storyboard achieves two things: .storyboard is essentially one single file for all your screens in the app and it … Read more

Xcode 8 – IB Designables – Failed to render and update auto layout status, The agent crashed

You can try one of the following to figure out the cause: look for the IBDesignablesAgentCocoaTouch logs in this directory: ~/Library/Logs/DiagnosticReports and see the cause. Note: for user with Catalina: look for IBDesignablesAgent-iOS_<DATE>-<MAC_NAME>.crash Go to the Editor -> Debug Selected View while selecting your @IBDesignable UIView in your storyboard, and see the stack trace. Delete … Read more

tech