私はスウィフトthisの回答で上書きし、それが動作します:
import UIKit
import ObjectiveC
private var KEY_HIT_TEST_EDGE_INSETS: String = "HitTestEdgeInsets"
extension UIButton {
public func setHitTestEdgeInsets(inout hitTestEdgeInsets: UIEdgeInsets) {
let value = NSValue(&hitTestEdgeInsets, withObjCType:NSValue(UIEdgeInsets: UIEdgeInsetsZero).objCType)
objc_setAssociatedObject(self, &KEY_HIT_TEST_EDGE_INSETS, value, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
}
private func hitTestEdgeInsets() -> UIEdgeInsets {
let value = objc_getAssociatedObject(self, &KEY_HIT_TEST_EDGE_INSETS)
if (value != nil) {
var edgeInsets: UIEdgeInsets = UIEdgeInsetsZero
value.getValue(&edgeInsets)
return edgeInsets
} else {
return UIEdgeInsetsZero
}
}
override public func pointInside(point: CGPoint, withEvent event: UIEvent?) -> Bool {
if UIEdgeInsetsEqualToEdgeInsets(self.hitTestEdgeInsets(), UIEdgeInsetsZero) || !self.enabled || self.hidden {
return super.pointInside(point, withEvent: event)
}
let relativeFrame = self.bounds
let hitFrame = UIEdgeInsetsInsetRect(relativeFrame, self.hitTestEdgeInsets());
return CGRectContainsPoint(hitFrame, point)
}
}
用途:
var insets: UIEdgeInsets = UIEdgeInsetsMake(-20, -20, -20, -20)
button.setHitTestEdgeInsets(&insets)
チェック目的のためだ、このhttp://stackoverflow.com/questions/808503/uibutton-making-the-hit-area-larger-than-the-default-hit-area – schmidt9
-c。私はスイフトを使用しています。 –