有赞基于Flutter的移动端跨平台App架构实践

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# setting.gradle	
setBinding(new Binding([gradle: this]))	
evaluate(new File(	
        '../managementcenter/.android/include_flutter.groovy'	
))

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# build.gradle	
dependencies {	
  implementation project(':flutter')	
  ...........	
}

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from shutil import copyfile	
import os	
import requests	
# 抓取文件类型	
BuildRelease = True	
aarType = "-release.aar" if BuildRelease else "-debug.aar"	
pluginFilePath = '../.flutter-plugins'	
# 当前项目的flutter.aar	
currentFlutterPath = '../.android/Flutter/build/outputs/aar/'	
# 输出地址	
outputFilePath = os.path.abspath('flutter_aar.py').replace("flutter_aar.py", "aars/")	
endPath = 'android/build/outputs/aar/'	
def collect_aar(plugins):	
    all_collection_success = True	
    if os.path.exists(outputFilePath):	
        print('copy aar to: ' + outputFilePath)	
    else:	
        print('target path: ' + outputFilePath + ' not exist')	
        os.makedirs(outputFilePath)	
        print('create target path: ' + outputFilePath)	
    for key, value in plugins.items():	
        aar_path = value + key + aarType	
        try:	
            copyfile(aar_path, outputFilePath + key + aarType)	
            print('copy flutter aar success at path: ' + aar_path)	
        except IOError:	
            all_collection_success = False	
            print('copy flutter aar error at path: ' + aar_path)	
    pass	
file_object = open(pluginFilePath, 'r')	
try:	
    plugin_map = {}	
    for line in file_object:	
        array = line.split('=')	
        plugin_map[array[0]] = array[1].replace('n', '') + endPath	
    plugin_map['flutter'] = currentFlutterPath	
    collect_aar(plugin_map)	
finally:	
    file_object.close()

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BuildRelease = False

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#!/usr/bin/env bash	
cd ..	
cd .android	
echo "start clean"	
./gradlew clean	
echo "start assembleRelease"	
./gradlew assembleRelease	
cd ..	
cd android-build	
echo "clean old aar file"	
rm -rf aars	
echo "start copy aar file"	
# 只抓取release	
python flutter_aar.py	
echo "copy aar file finish"

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  if [[ -e "${project_path}/.ios" ]]; then	
      RunCommand rm -rf -- "${derived_dir}/engine"	
      mkdir "${derived_dir}/engine"	
      RunCommand cp -r -- "${flutter_podspec}" "${derived_dir}/engine"	
      RunCommand cp -r -- "${flutter_framework}" "${derived_dir}/engine"	
      RunCommand find "${derived_dir}/engine/Flutter.framework" -type f -exec chmod a-w "{}" ;	
    else	
      RunCommand rm -rf -- "${derived_dir}/Flutter.framework"	
      RunCommand cp -r -- "${flutter_framework}" "${derived_dir}"	
      RunCommand find "${derived_dir}/Flutter.framework" -type f -exec chmod a-w "{}" ;	
    fi

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  RunCommand eval "$(echo "static const int Moo = 88;" | xcrun clang -x c	
          ${arch_flags}	
          -dynamiclib	
          -Xlinker -rpath -Xlinker '@executable_path/Frameworks'	
          -Xlinker -rpath -Xlinker '@loader_path/Frameworks'	
          -install_name '@rpath/App.framework/App'	
          -o "${derived_dir}/App.framework/App" -)"

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  RunCommand "${FLUTTER_ROOT}/bin/flutter" --suppress-analytics	
        ${verbose_flag}	
        build aot	
        --output-dir="${build_dir}/aot"                                       	
        --target-platform=ios	
        --target="${target_path}"                                             	
        --${build_mode}	
        --ios-arch="${archs}"                                                 	
        ${local_engine_flag}	
        ${track_widget_creation_flag}

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  StreamOutput " ├─Assembling Flutter resources..."	
    RunCommand "${FLUTTER_ROOT}/bin/flutter" --suppress-analytics	
      ${verbose_flag}	
      build bundle	
      --target-platform=ios	
      --target="${target_path}"                                               	
      --${build_mode}	
      --depfile="${build_dir}/snapshot_blob.bin.d"                            	
      --asset-dir="${derived_dir}/App.framework/flutter_assets"               	
      ${precompilation_flag}	
      ${local_engine_flag}	
      ${track_widget_creation_flag}

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  echo "==b清理flutter历史编译==="	
  flutter clean	
  echo "===重新生成plugin索引==="	
  flutter packages get	
  echo "===生成App.framework和flutter_assets==="	
  flutter build ios --debug	
  echo "===获取所有plugin并找到头文件==="	
  while read -r line	
  do 	
      if [[ ! "$line" =~ ^// ]]; then	
          array=(${line//=/ })	
          plugin_name=${array[0]}	
          cd .ios/Pods	
          echo "生成lib${plugin_name}.a..."	
          /usr/bin/env xcrun xcodebuild build -configuration Release ARCHS='arm64 armv7' -target ${plugin_name} BUILD_DIR=../../build/ios -sdk iphoneos -quiet	
          /usr/bin/env xcrun xcodebuild build -configuration Debug ARCHS='x86_64' -target ${plugin_name} BUILD_DIR=../../build/ios -sdk iphonesimulator -quiet	
          echo "合并lib${plugin_name}.a..."	
          lipo -create "../../build/ios/Debug-iphonesimulator/${plugin_name}/lib${plugin_name}.a" "../../build/ios/Release-iphoneos/${plugin_name}/lib${plugin_name}.a" -o "../../product/lib${plugin_name}.a"	
          echo "复制头文件"	
          classes=${array[1]}ios/Classes	
          for header in `find "$classes" -name *.h`; do	
              cp -f $header "../../product/"	
          done	
      else 	
          echo "读取文件出错"	
      fi	
  done < .flutter-plugins	
  echo "===生成注册入口的二进制库文件==="	
  for reg_enter_name in "FlutterPluginRegistrant"	
  do	
      echo "生成libFlutterPluginRegistrant.a..."	
      /usr/bin/env xcrun xcodebuild build -configuration Release ARCHS='arm64 armv7' -target FlutterPluginRegistrant BUILD_DIR=../../build/ios -sdk iphoneos	
      /usr/bin/env xcrun xcodebuild build -configuration Debug ARCHS='x86_64' -target FlutterPluginRegistrant BUILD_DIR=../../build/ios -sdk iphonesimulator	
      echo "合并libFlutterPluginRegistrant.a..."	
      lipo -create "../../build/ios/Debug-iphonesimulator/FlutterPluginRegistrant/lib$FlutterPluginRegistrant.a" "../../build/ios/Release-iphoneos/FlutterPluginRegistrant/libFlutterPluginRegistrant.a" -o "../../product/libFlutterPluginRegistrant.a"	
      echo "复制头文件"	
      classes="../Flutter/FlutterPluginRegistrant/Classes"	
      for header in `find "$classes" -name *.h`; do	
          cp -f $header "../../product/"	
      done	
  done

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