Aug 27, 2012 Note: If you’ve followed the How To Create A Simple iPhone App on iOS 5 Tutorial, you will find that this section is (almost) identical to that.One of the good things about Mac/iOS programming is that they share most of the SDK, obviously, except the UI classes and some OS specific parts. Dec 02, 2018  Finally before testing anything reload the current session by running source /.bashprofile in the Terminal. Try typing flutter -version and you should get back the version number. After you finish installing everything you can test if everything works properly by running flutter doctor. Flutter Doctor is a powerful tool, you should use it every once in a while - for example after. Dec 13, 2019 Flutter for macOS alpha. A major change that is arriving with Flutter 1.12 is support for macOS apps. This is quite a welcome improvement as before, developers were only limited to developing apps for mobile/ web-based platforms. Where macOS is the first desktop OS, there isn’t much news when Windows and Linux will get support. To develop Flutter apps for iOS, you need a Mac with Xcode. Install the latest stable version of Xcode (using web download or the Mac App Store ). Configure the Xcode command-line tools to use the newly-installed version of Xcode by running the following from the command line. Flutter เฟรมเวิร์คสร้าง UI ด้วยภาษา Dart ของกูเกิล ออกเวอร์ชัน 1.12 ของใหม่ในเวอร์ชันนี้คือ รองรับ Dark Mode ของ iOS 13 อย่างสมบูรณ์แล้ว ปร.

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With an all-new design that looks great on macOS Big Sur, Xcode 12 has customizable font sizes for the navigator, streamlined code completion, and new document tabs. Xcode 12 builds Universal apps by default to support Mac with Apple Silicon, often without changing a single line of code.

Designed for macOS Big Sur.

Xcode 12 looks great on macOS Big Sur, with a navigator sidebar that goes to the top of the window and clear new toolbar buttons. The navigator defaults to a larger font that’s easier to read, while giving you multiple size choices. New document tabs make it easy to create a working set of files within your workspace.

Document tabs.

The new tab model lets you open a new tab with a double-click, or track the selected file as you click around the navigator. You can re-arrange the document tabs to create a working set of files for your current task, and configure how content is shown within each tab. The navigator tracks the open files within your tabs using strong selection.

Navigator font sizes.

The navigator now tracks the system setting for “Sidebar icon size” used in Finder and Mail. You can also choose a unique font size just for Xcode within Preferences, including the traditional dense information presentation, and up to large fonts and icon targets.

Code completion streamlined.

A new completion UI presents only the information you need, taking up less screen space as you type. And completions are presented much faster, so you can keep coding at maximum speed.

Redesigned organizer.

An all-new design groups all critical information about each of your apps together in one place. Choose any app from any of your teams, then quickly navigate to inspect crash logs, energy reports, and performance metrics, such as battery consumption and launch time of your apps when used by customers.

SwiftUI

SwiftUI offers new features, improved performance, and the power to do even more, all while maintaining a stable API that makes it easy to bring your existing SwiftUI code forward into Xcode 12. A brand new life cycle management API for apps built with SwiftUI lets you write your entire app in SwiftUI and share even more code across all Apple platforms. And a new widget platform built on SwiftUI lets you build widgets that work great on iPad, iPhone, and Mac. Your SwiftUI views can now be shared with other developers, and appear as first-class controls in the Xcode library. And your existing SwiftUI code continues to work, while providing faster performance, better diagnostics, and access to new controls.

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Universal app ready.

Xcode 12 is built as a Universal app that runs 100% natively on Intel-based CPUs and Apple Silicon for great performance and a snappy interface.* It also includes a unified macOS SDK that includes all the frameworks, compilers, debuggers, and other tools you need to build apps that run natively on Apple Silicon and the Intel x86_64 CPU.

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Updated automatically

When you open your project in Xcode 12, your app is automatically updated to produce release builds and archives as Universal apps. When you build your app, Xcode produces one binary “slice” for Apple Silicon and one for the Intel x86_64 CPU, then wraps them together as a single app bundle to share or submit to the Mac App Store. You can test this at any time by selecting “Any Mac” as the target in the toolbar.

Test multiple architectures.

On the new Mac with Apple Silicon, you can run and debug apps running on either the native architecture or on Intel virtualization by selecting “My Mac (Rosetta)” in the toolbar.

Multiplatform template

New multiplatform app templates set up new projects to easily share code among iOS, iPadOS, and macOS using SwiftUI and the new lifecycle APIs. The project structure encourages sharing code across all platforms, while creating special custom experiences for each platform where it makes sense for your app.

Improved auto-indentation

Swift code is auto-formatted as you type to make common Swift code patterns look much better, including special support for the “guard” command.

StoreKit testing

New tools in Xcode let you create StoreKit files that describe the various subscription and in-app purchase products your app can offer, and create test scenarios to make sure everything works great for your customers — all locally testable on your Mac.

Get started with the beta.

Download Xcode 12 beta and use these resources to build apps for all Apple platforms.

While Google I/O is no longer happening this year, many of the company’s planned announcements, especially for developers, are still going forward as intended. Today, Flutter, Google’s massively cross-platform app development framework, is launching its first stable update of 2020, Flutter SDK version 1.17, complete with support for Apple’s Metal graphics API on iOS devices.

Those eager for major new Flutter features will not find much in this release, as the team has put more of its efforts toward performance and accessibility improvements. That said, there are a few key additions to be aware of, like a brand new Material Design widget, NavigationRail, contributed directly by the Google Material Design team.

Otherwise, the marquis improvements of Flutter 1.17 are primarily about squeezing out better performance and a smaller storage footprint. One of the gripes some developers have had with Flutter is that even the most basic applications take up a few megabytes of storage. Between Flutter 1.12 in December and version 1.17 today, the team has managed to slim down their public example app Flutter Gallery from 9.6MB to 8.1MB, nearly a 20% improvement.

There’s a few other general performance and memory improvements in Flutter 1.17, but the real star is support for Apple’s Metal graphics API on iOS. Metal, which is only fully available for iOS devices with an A7 or newer chip and running on at least iOS 10, replaces the traditional OpenGL graphics and can improve your app’s rendering speeds by as much as 50%.

As has become tradition, the update to Flutter 1.17 stable coincides with the update of its underlying Dart programming language to version 2.8. The Dart team has been hard at work on bringing a major new feature to the language, null safety, which is getting closer to launch as of Dart 2.8.

For today’s release though, most of the improvements are focused on the “pub” tool used by both Dart and Flutter to manage your app’s packages. There’s now a new “pub outdated” command that shows you which packages have updates that don’t comply with your current version constraints, allowing you to update if you see fit. Additionally, the team has managed to make pub run significantly faster by downloading multiple packages simultaneously, instead of one at a time.

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