Ios write dictionary to plist
Creates and returns a dictionary using the keys and values found in a resource specified by a given URL.
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Creates and returns a dictionary containing entries constructed from the contents of an array of keys and an array of values. Creates and returns a dictionary containing entries constructed from the specified set of values and keys. Initializes a newly allocated dictionary. Initializes a newly allocated dictionary using the keys and values found in a file at a given path. Initializes a newly allocated dictionary by placing in it the keys and values contained in another given dictionary.
How To: Working With Plist In Swift
Initializes a newly allocated dictionary using the objects contained in another given dictionary. Initializes a newly allocated dictionary with entries constructed from the contents of the objects and keys arrays. Initializes a newly allocated dictionary with entries constructed from the specified set of values and keys. Creates a shared key set object for the specified keys. This provides an way for creating optimised dictionary. Returns a Boolean value that indicates whether the contents of the receiving dictionary are equal to the contents of another given dictionary.
Returns a new array containing the keys corresponding to all occurrences of a given object in the dictionary.
Read & Write Dictionaries, Arrays, Strings To Property List
If you look into the app, all our recipes are specified in the source code. I try to keep the thing simple and focus on showing how to create a UITableView. In real app, we used to externalized these static items i. In iOS programming, there is a type of file called Property List. This kind of file is commonly found in Mac OS and iOS, and is used for storing simple structured data e. But why?
There is nothing wrong doing this. But look at the code! Changing the code may accidentally introduce other errors. Apparently, it would be better to separate the data and the programming logic i.
Does it look better when the table data is stored like this? In reality, you may not be the one who provides the table data here, the recipe information. The information may be given by others without iOS programming experience. All data in your app are pulled from the server side on demand.
It offers one big benefit. By separating the data and put them in the Cloud, you can change the data anytime without updating your app. Property list offers a convenient way to store simple structural data.
Let's Study Swift!
It usually appears in XML format. They are examples of the Property List. It has a top-level array, with a few items of type String. If you look closely, you can spot the different values and structures in the XML.
iOS Property List (plist) Example - JournalDev
A property list can contain a few types of elements, including arrays, dictionaries, booleans, dates, Data , and numbers, such as integers. Every one of these types correspond to native Swift types, such as Array and Bool. You can also nest arrays and dictionaries, i. Like this:. A very common property list in iOS projects is the Info. This plist contains information about your iOS project. As you build your app, you sometimes have to add more information to this property list.
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For example, if your app wants to access an iPhones photo library, the app plist needs to contain a key that explains the reason for accessing the photo library. Some property lists will use a custom format, such as the Info.
For instance, the Info. Property lists are perfect for saving simple, static key-value data in your app. The plist contains an array of strings, so the type of fruit is also [String]. For the sake of simplicitly, the above code has no error handling.