Blueprint greatly simplifies the task of building and updating views as application state changes.
We still consider Blueprint experimental (and subject to major breaking API changes), but it has been used within Square's production iOS apps.
let rootElement = Label(text: "Hello from Blueprint!") let view = BlueprintView(element: rootElement)
Generated documentation is available at square.github.io/Blueprint
If you are developing your own package, be sure that Blueprint is included in
dependencies: [ .package(url: "firstname.lastname@example.org:square/Blueprint.git", from: "0.3.0") ]
In Xcode 11+, add Blueprint directly as a dependency to your project with
Swift Packages >
Add Package Dependency.... Provide the git URL when prompted:
If you use CocoaPods to manage your dependencies, simply add BlueprintUI and BlueprintUICommonControls to your Podfile:
pod 'BlueprintUI' pod 'BlueprintUICommonControls'
Blueprint provides an architecture that allows you to:
Use Blueprint any time you want to display a view hierarchy, but don't want to manage view lifecycle (hint: managing view lifecycle is a large portion of most conventional UIKit code). There are times when you want to manage view lifecycle (complex animations and transitions are a good example), and for these cases you may want to stick with a conventional approach.
Blueprint is not a replacement for UIKit! From the beginning, Blueprint has been designed as a compliment to all of the powerful tools that come with the platform. You can use Blueprint to manage the display of a single view controller, or of a single view representing a small part of the screen. Likewise, it's straightforward to host standard views and controls within a blueprint hierarchy, always leaving you with an escape hatch.
Two modules are provided:
BlueprintUIcontains the core architecture and layout types.
BlueprintUICommonControlsincludes elements representing some common
UIKitviews and controls.
Blueprint is available via CocoaPods. Add it to your
Podfile to integrate:
target MyTarget do pod 'BlueprintUI' pod 'BlueprintUICommonControls' end
Copyright 2019 Square, Inc.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
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