简介
一旦将flutter模块集成到原生项目中,由其是iOS的原生项目,我们是否能够保留flutter的快速开发调试的优势呢? 即是否还可以通过Hot reload 或者 Hot Restart来快速开发呢? 那么对应flutter模块,我们如何使用hot reload加速我们的调试速度呢?
答案就是:flutter attach 调试 (开发工具:Xcode 、Visual Studio Code 、Android Studio )
一:Visual Studio Code
1、 Xcode 启动原生项目 (此处flutter模块已嵌入原生, 2、创建launch.json 文件 如下图
3、VSCode 编辑 launch.json -> 追加如下代码:
{
"name": "Flutter: Attach to Device",
"type": "dart",
"request": "attach"
}
4、如下图选中刚刚配置的 “request”: “attach” 点击 Run
5、完成配置 现在可在iOS 断点Xcode 中调试,Flutter VSCode 中断点调试
二:Android Studio
1、Xcode 启动原生项目 (此处flutter模块已嵌入原生服务器托管网,
2、Android Studio 中打开终端输入 flutter attach 命令(展示可用模拟器列表,仅有一个则跳过此步)
bogon:test_flutter zhanghua$ flutter attach
Multiple devices found:
iPhone 11 Pro Max (mobile) • E1D101FB-F1A5-404F-B3FF-BD981B04B271 • ios • com.apple.CoreSimulator.SimRuntime.iOS-15-2 (simulator)
iPhone 13 Pro Max (mobile) • AD044D50-3DCC-495A-9D96-981349214F67 • ios • com.apple.CoreSimulator.SimRuntime.iOS-15-2 (simulator)
[1]: iPhone 11 Pro Max (E1D101FB-F1A5-404F-B3FF-BD981B04B271)
[2]: iPhone 13 Pro Max (AD044D50-3DCC-495A-9D96-981349214F67)
Please choose one (To quit, press "q/Q"): q
bogon:test_flutter zhanghua$
3、执行 flutter attach -d 命令选择要启动的模拟器 (无下面报错,跳过此步)
bogon:test_flutter zhanghua$ flutter attach -d AD044D50-3DCC-495A-9D96-981349214F67
There are multiple observatory ports available.
Rerun this command with one of the following passed in as the appId:
flutter attach -- app-id com.example.myFlutter
flutter attach -- app-id com.test.flutter
bogon:test_flutter zhanghua$
4、执行 flutter attach — app-id com.test.flutter -d AD044D50-3DCC-495A-9D96-981349214F67 命令
bogon:test_flutter zhanghua$ flutter attach -- app-id com.test.flutter -d AD044D50-3DCC-495A-9D96-981349214F67
Syncing files to device iPhone 13 Pro Max... 13.5s
Flutter run key commands.
r Hot reload.
R Hot restart.
h Repeat this help message.
d Detach (terminate "flutter run" but leave application running).
c Clear the screen
q Quit (服务器托管网terminate the application on the device).
Running with unsound null safety
For more information see https://dart.dev/null-safety/unsound-null-safety
An Observatory debugger and profiler on iPhone 13 Pro Max is available at: http://127.0.0.1:64089/wiDHmXpmDXo=/
The Flutter DevTools debugger and profiler on iPhone 13 Pro Max is available at: http://127.0.0.1:9103?uri=http%3A%2F %2F127.0.0.1%3A64089%2FwiDHmXpmDXo%3D%2F
5、到此快快在 Android Studio 中修改 flutter 模块代码 ,在终端中执行 r 或者 R 看看模拟器中样式是否 随之变化吧 。
注意:只有一个模拟器设备的话 ,执行 flutter attach 命令后将跳过步骤2、3,直接展示 小 4 步骤结果 .
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