UI_Target/action design mode, ui_targetaction

UI_Target/action design mode, ui_targetaction

In RootView. m

UIButton * button = [UIButton buttonWithType: UIButtonTypeSystem]; button. frame = CGRectMake (100,100,100, 40); [button setTitle: @ "Target" forState: UIControlStateNormal]; [self addSubview: button]; // addTarget: self. controller was originally self // method RootViewButtonDidClicked in ViewController. in m, [button addTarget: self. controller action: @ selector (RootViewButtonDidClicked :) forControlEvents: UIControlEventTouchUpInside];

In RootView. h

Set attributes

@property (nonatomic, assign)UIViewController *controller;

ViewController. m

// Click Event-(void) RootViewButtonDidClicked :( UIButton *) sender {NSLog (@ "hello") ;}- (void) viewDidLoad {[super viewDidLoad]; // set the controller self. rootView. controller = self ;}

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