出现场景
在Flutter中，使用flutter run运行debug模式， 等待xcode build完成后，在install时出现以下错误。
Launching lib/main.dart on iPhone in debug mode... Automatically signing iOS for device deployment using specified development team in Xcode project: DD2AWWF43G Running Xcode build... Xcode build done. 85.0s Installing and launching... No Provisioning Profile was found for your project's Bundle Identifier or your device. You can create a new Provisioning Profile for your project in Xcode for your team by: 1- Open the Flutter project's Xcode target with open ios/Runner.xcworkspace 2- Select the 'Runner' project in the navigator then the 'Runner' target in the project settings 3- In the 'General' tab, make sure a 'Development Team' is selected. You may need to: - Log in with your Apple ID in Xcode first - Ensure you have a valid unique Bundle ID - Register your device with your Apple Developer Account - Let Xcode automatically provision a profile for your app 4- Build or run your project again It's also possible that a previously installed app with the same Bundle Identifier was signed with a different certificate. For more information, please visit: https://flutter.io/setup/#deploy-to-ios-devices Or run on an iOS simulator without code signing ════════════════════════════════════════════════════════════════════════════════ 2020-01-09 10:18:45.163 ios-deploy[43201:5238881] [ !! ] Error 0xe8008015: A valid provisioning profile for this executable was not found. AMDeviceSecureInstallApplication(0, device, url, options, install_callback, 0) Could not install build/ios/iphoneos/Runner.app on 2fd298b64f27b47f0917050a9f7ec70cdc98f033. Try launching Xcode and selecting "Product > Run" to fix the problem: open ios/Runner.xcworkspace
解决方案
错误报的是证书不对。
按照提示，用xcode打开ios/Runner.xcworkspace，检查了签名设置都是正常的，使用xcode 直接run是能正常运行起来的，只是使用flutter run无法正常运行。所以应该是Flutter中有签名缓存，导致打包时使用的以前的签名。
- flutter clean
在flutter项目目录中，使用flutter clean清理缓存. - xcode clean build
使用xcode打开ios目录，选择菜单栏中的Product->Clean Build Folder.
clean完成后，会出现以下提示
3.flutter build bundle
最后在flutter项目目录下运行flutter build bundle，重新生成ios app的二进制文件。
再次运行flutter run, 就能正常运行了。
