Fastlane on Android 介紹

Fastlane on Android
黃千碩 (Kros)
oSolve, Ltd./打⼯工趣
Mobile App Developer

Outline
• What is fastlane
• What to do
• How to use
• Details
• Fastlane in real-world
• 優缺點

What is Fastlane
• fastlane is the easiest way to automate beta deployments and
releases for your iOS and Android apps. 🚀 It handles all tedious
tasks, like generating screenshots, dealing with code signing, and
releasing your application.
• ⼀一個⼯工具，讓你可以⽤用很簡單的⽅方式發佈 Apps, 處理理 iOS code signing
等問題。
• 最初是為了了 iOS 開發，後來來才新增 Android。

What is Fastlane
• ⽤用 Ruby 開發的，
• Mac 可直接使⽤用。
• Windows 的朋友要有 Ruby 環境才可以使⽤用。

Why fastlane
• 應該是 Why Continuous Delivery
• 開發流程改變
• 建立專案的第⼀一天，下班前就要能夠發佈給其他⼈人測試
• ⽇日後專案掛上 CI Server 也可以使⽤用
• fastlane 是⼀一個新選擇，local/server 皆可使⽤用

How
• Gradle 上⼜又包⼀一層 Fastlane
Gradle
Fastlane

What to do
• Screenshots (⾃自動截圖、⾃自動上傳到 Google Play、處理理多國語系)
• Beta Deployment (⾃自動發佈到 Google Play Beta, Fabric)
• Release Deployment (⾃自動發佈到 Google Play)

What to do
• Screenshots (⾃自動截圖、⾃自動上傳到 Google Play)
• Beta Deployment (⾃自動發佈到 Google Play Beta, Fabric)
• Release Deployment (⾃自動發佈到 Google Play)
• 今天只討論最常⽤用的兩兩個功能

How to use
• 執⾏行行三步驟：
1. 安裝 fastlane
2. 設定好 fastlane 相關檔案參參數。
3. 在 Command Line 執⾏行行「⾃自⾏行行定義」的 fastlane 動作 (通常叫
lane)。

Setup
• 從 command line 切到專案⽬目錄底下
• fastlane init

Setup
• 多出 fastlane 資料夾

Fastlane Folder
• Appﬁle
• 放置參參數的地⽅方
• Fastﬁle
• ⾃自⾏行行定義的執⾏行行動作 (lanes)

Fastﬁle
desc "Submit a new Beta Build to Crashlytics Beta"
lane :beta do
gradle(task: "assembleRelease")
crashlytics
end

Fastﬁle
lane :beta do
crashlytics
end
• ⾃自定義⼀一個 lane

Fastﬁle
lane :beta do
crashlytics
end
• 執⾏行行 gradle 的包版指令

Fastﬁle
lane :beta do
crashlytics
end
• 上傳到 crashlytics (Fabric) beta

Fastﬁle
lane :beta do
crashlytics
end
• 如何執⾏行行？

Fastﬁle
lane :beta do
crashlytics
end
• 如何執⾏行行？
fastlane beta

lane :beta do
ensure_git_status_clean
changelog_from_git_commits
start_git_flow_release
clean_project
test
build_staging
upload_to_fabric
clean_project
finish_git_flow_release
post_to_slack
end

lane :beta do
clean_project
test
build_staging
upload_to_fabric
clean_project
post_to_slack
end
Fastlane 提供的內建 lane

lane :beta do
clean_project
test
build_staging
upload_to_fabric
clean_project
post_to_slack
end
⾃自⾏行行定義的 lane

Lane
desc "Clean project"
lane :clean_project do
gradle(task: "clean")
end

Lane
desc "Build staging"
lane :build_staging do
gradle(
task: "assemble",
build_type: "beta",
flavor: “staging"
)
end

Private Lane
• ⼀一個不會被看到的 lane，就像 private method ⼀一樣。

Private Lane
desc "Git Flow Release Start"
private_lane :start_git_flow_release do
Dir.chdir ".." do
sh 'git flow release start "Release"'
end
end

Private Lane
desc "Git Flow Release Start"
private_lane :start_git_flow_release do
Dir.chdir ".." do
sh 'git flow release start "Release"'
end
end
• lane 裡⾯面可以執⾏行行 shell script

Read Conﬁg
desc "Upload to fabric beta"
private_lane :upload_to_fabric do
crashlytics(
api_token: ENV["CRASHLYTICS_API_TOKEN"],
build_secret: ENV["CRASHLYTICS_BUILD_SECRET"]
)
end

Read Conﬁg
desc "Upload to fabric beta"
private_lane :upload_to_fabric do
crashlytics(
api_token: ENV["CRASHLYTICS_API_TOKEN"],
build_secret: ENV["CRASHLYTICS_BUILD_SECRET"]
)
end
• 從 Appﬁle 讀出資料

Appﬁle
# CRASHLYTICS
ENV["CRASHLYTICS_API_TOKEN"]="xxx"
ENV["CRASHLYTICS_BUILD_SECRET"]="xxx"

Default Lane
before_all do
end
after_all do |lane|
end
error do |lane, exception|
end

Error handling
error do |lane, exception|
slack(
message: exception.message,
success: false
)
end
• 包版失敗，通知開發⼈人員
• 除了了 slack 之外，也可以⾃自⾏行行定義要做什什麼事情

Upload to Google Play
• 使⽤用 Supply
• 只能 upload and publish
• But！最需要的是 upload and save draft
• 看個⼈人需求

Fastlane actions
• 想知道 fastlane 還可以做什什麼 
 
fastlane actions

Fastlane actions
• 想知道 fastlane 中的 gradle 可以做什什麼 
 
fastlane actions gradle

優缺點
• 優點
• 與 iOS 共⽤用同⼀一個⼯工具
• 可⽤用 Ruby 做任何事情 
(rename, move ﬁle, increase build number)
• 可以直接⽤用在 CI server 上
• Fabric 整合

優缺點
• 缺點
• 必須要有 ruby 環境 (Windows QQ)
• 額外學習 ruby 語⾔言 (團隊學習成本)

⼩小結
• 若若你尚未使⽤用包版⼯工具，可以考慮使⽤用 fastlane
• 若若同時開發 iOS 與 Android，可以考慮 fastlane
• 若若團隊的 build script 太複雜，可以考慮⽤用 fastlane 簡化

Reference
• Getting started with fastlane for Android 
https://docs.fastlane.tools/getting-started/android/setup/
• Fastlane Github 
https://github.com/fastlane/fastlane

Fastlane on Android 介紹

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