Put a slight delay in hiding the progress bar

iOS/Progress/UINavigationController+Progress.swift

@@ -106,22 +106,26 @@ public extension UINavigationController {
 	func finishProgress() {
 		progressView.bar.alpha = 1
 		progressView.setProgress(1, animated: true) {
+			DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) {
 				UIView.animate(withDuration: 0.5, animations: { self.progressView.bar.alpha = 0 }) { finished in
 					self.progressView.progress = 0
 				}
 			}
 		}
+	}
 	
 	/**
 	While progress is changed to 0.0, the bar will fade out.
 	*/
 	func cancelProgress() {
 		progressView.setProgress(0, animated: true) {
+			DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) {
 				UIView.animate(withDuration: 0.5, animations: {
 					self.progressView.bar.alpha = 0
 				})
 			}
 		}
+	}
 	
 	func updateAccountRefreshProgressIndicator() {