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[英]How to reloadData() in ViewController #1 after ViewController #2 is dismissed?
[英]Segue not running after MPC viewcontroller is dismissed
我有一個動作可以彈出MPC視圖控制器,但是一旦執行了該操作並且瀏覽器被關閉,我將直接回到我的舊視圖控制器
func browserViewControllerDidFinish(
browserViewController: MCBrowserViewController!) {
// Called when the browser view controller is dismissed (ie the Done
// button was tapped)
func seguetoJoin(segue: UIStoryboardSegue, sender: AnyObject?) {
var joinView: playMusicViewController = segue.destinationViewController as! playMusicViewController
weak var delegate: MCBrowserViewControllerDelegate!
}
self.dismissViewControllerAnimated(true, completion: nil)
}
您似乎在正在接收didFinish回調的VC上調用dismissViewController。
您應該將安全代碼移至需要執行安全代碼的ViewController上,而不是在正在被關閉的ViewController上執行。
而且這些都沒用
var joinView: playMusicViewController = segue.destinationViewController as! playMusicViewController
weak var delegate: MCBrowserViewControllerDelegate!
更新-
在下面的評論。
在mpcSubClass.m中var viewControllerToPeformSegue:UIViewController!
func browserViewControllerDidFinish(browserViewController: MCBrowserViewController!) {
// animation:false as your segue will have an animation
self.dismissViewControllerAnimated(false, completion: nil)
self.viewControllerToPerformSegue.handleBrowserDidFinish()
}
在viewControllerToPerformSegue.m中
// when you initialise the MPC VC subclass
mpcVCSubclass.viewControllerToPerformSegue = self
func handleBrowserDidFinish()
{
self.performSegueWithIdentifier("mainViewSegue", sender: self)
}
override func prepareForSegue(segue: UIStoryboardSegue!, sender: AnyObject!)
{
if segue.identifier == "mainViewSegue"
{
let mainVC = segue.destination as! MainVC
// now pass any data to your main VC that it can load in viewWillAppear
}
}
在故事板中
將viewControllerToPerformSegue鏈接到MainVC並將名稱命名為mainViewSegue
希望這可以幫助。
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