collection view part 5 swift

load plist data
https://www.cnblogs.com/gongyuhonglou/p/6029340.html
https://blog.csdn.net/sophieDJF/article/details/88247388
https://stackoverflow.com/questions/24045570/how-do-i-get-a-plist-as-a-dictionary-in-swift
https://stackoverflow.com/questions/40436895/how-to-read-plist-without-using-nsdictionary-in-swift

get specifig key in dictionary
https://stackoverflow.com/questions/24640990/how-do-i-get-the-key-at-a-specific-index-from-a-dictionary-in-swift

get specifig key with index
https://stackoverflow.com/questions/31775724/swift-dictionary-access-via-index

get collectionview selection
https://stackoverflow.com/questions/21639394/how-to-select-item-in-collectionview-programmatically

add button in uinavigationbar
https://www.hackingwithswift.com/example-code/uikit/how-to-add-a-bar-button-to-a-navigation-bar

child viewcontroller pass data to parent viewcontroller
https://stackoverflow.com/questions/39285588/how-to-pass-data-from-child-to-parent-view-controller-in-swift

save data with userdefault
https://stackoverflow.com/questions/25179668/how-to-save-and-read-array-of-array-in-nsuserdefaults-in-swift

find a object in array with index
https://stackoverflow.com/questions/28727845/find-an-object-in-array
https://stackoverflow.com/questions/24028860/how-to-find-index-of-list-item-in-swift