TY-1786 build dart example

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ env:
   # takes a considerable amount of time if it is compiled with the default opt-level
   # for tests. Therefore, we compile them with a higher opt-level to run them faster.
   OPT_TESTS_RUSTFLAGS: '-C opt-level=3 -C debug-assertions=yes -D warnings'
-  FLUTTER_VERSION: '2.0.0'
+  FLUTTER_VERSION: '2.0.6'
   JAVA_VERSION: '12.x'
   DART_WORKSPACE: ${{ github.workspace }}/bindings/dart
   CARGO_INCREMENTAL: 0
@@ -180,6 +180,8 @@ jobs:
     needs: [registry-cache, check]
     runs-on: ubuntu-20.04
     timeout-minutes: 20
+    outputs:
+      cache-key: ${{ steps.cache-key.outputs.key }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2
@@ -201,11 +203,16 @@ jobs:
             ~/.cargo/git
           key: ${{ needs.registry-cache.outputs.cache-key }}
 
+      - name: Generate build artifacts key
+        id: cache-key
+        shell: bash
+        run: echo "::set-output name=key::$(echo "${{ runner.os }}-cargo-${{ steps.rust-toolchain.outputs.rustc }}-tests-${{ needs.registry-cache.outputs.cache-date }}-${{ hashFiles('**/Cargo.lock') }}")"
+
       - name: Cache build artifacts
         uses: actions/cache@v2
         with:
           path: ${{ github.workspace }}/target
-          key: ${{ runner.os }}-cargo-${{ steps.rust-toolchain.outputs.rustc }}-tests-${{ needs.registry-cache.outputs.cache-date }}-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ steps.cache-key.outputs.key }}
           restore-keys: ${{ runner.os }}-cargo-${{ steps.rust-toolchain.outputs.rustc }}-tests-${{ needs.registry-cache.outputs.cache-date }}-
 
       - name: Download data
@@ -387,6 +394,19 @@ jobs:
         working-directory: ./xayn-ai-ffi-c
         run: cargo lipo --targets ${{ matrix.target }}
 
+      - name: Prepare lib for upload
+        run: |
+          dir=target/${{ matrix.target }}/debug
+          mv $dir/libxayn_ai_ffi_c.a $dir/libxayn_ai_ffi_c_${{ matrix.target }}.a
+
+      - name: Upload library artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: build-ios-${{ matrix.target }}-${{ github.sha }}
+          retention-days: 1
+          if-no-files-found: error
+          path: target/${{ matrix.target}}/debug/libxayn_ai_ffi_c_${{ matrix.target }}.a
+
   test-wasm-lib:
     name: test-wasm-lib
     needs: [registry-cache, test]
@@ -431,8 +451,8 @@ jobs:
           RUSTFLAGS: ${{ env.OPT_TESTS_RUSTFLAGS }}
         run: wasm-pack test --firefox --chrome --headless
 
-  build-xain-ai-lib:
-    name: build-xain-ai-lib
+  build-linux-lib:
+    name: build-linux-lib
     needs: [registry-cache, test]
     runs-on: ubuntu-20.04
     outputs:
@@ -459,28 +479,35 @@ jobs:
             ~/.cargo/git
           key: ${{ needs.registry-cache.outputs.cache-key }}
 
-      - name: Cache build artifacts
-        uses: actions/cache@v2
+      - name: Restore build artifacts
+        uses: actions/cache@v2.1.4
         with:
           path: ${{ github.workspace }}/target
-          key: ${{ runner.os }}-cargo-${{ steps.rust-toolchain.outputs.rustc }}-build-xain-ai-lib-${{ needs.registry-cache.outputs.cache-date }}-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: ${{ runner.os }}-cargo-${{ steps.rust-toolchain.outputs.rustc }}-build-xain-ai-lib-${{ needs.registry-cache.outputs.cache-date }}-
+          key: ${{ needs.test.outputs.cache-key }}
 
-      - name: Build xayn-ai-ffi-c lib
+      - name: Build linux lib
+        # We have to use the same RUSTFLAGS that are used in the test
+        # job in order to be able to reuse the cache. If we do not do this,
+        # the compiler will recompile all the libraries from scratch.
+        env:
+          RUSTFLAGS: "-D warnings"
         run: cargo build
 
-      - name: Generate lib cache key
+      - name: Generate lib artifacts key
         id: cache-key
         shell: bash
-        run: echo "::set-output name=key::$(echo libxayn_ai_ffi_c-${{ hashFiles('target/debug/libxayn_ai_ffi_c.so', 'xayn-ai-ffi-c/ffi.h') }})"
+        run: echo "::set-output name=key::$(echo build-x86_64-unknown-linux-gnu-${{ hashFiles('target/debug/libxayn_ai_ffi_c.so', 'xayn-ai-ffi-c/ffi.h') }})"
 
-      - name: Cache library artifacts
-        uses: actions/cache@v2
+      - name: Upload library artifacts
+        uses: actions/upload-artifact@v2
         with:
+          name: ${{ steps.cache-key.outputs.key }}
+          retention-days: 1
+          if-no-files-found: error
           path: |
             ${{ github.workspace }}/target/debug/libxayn_ai_ffi_c.so
             ${{ github.workspace }}/xayn-ai-ffi-c/ffi.h
-          key: ${{ steps.cache-key.outputs.key }}
+            ${{ env.DART_WORKSPACE }}/ios/Classes/XaynAiFfiDartPlugin.h
 
   flutter-format:
     name: flutter-format
@@ -514,7 +541,7 @@ jobs:
 
   flutter-analyze:
     name: flutter-analyze
-    needs: build-xain-ai-lib
+    needs: build-linux-lib
     runs-on: ubuntu-20.04
     timeout-minutes: 10
     steps:
@@ -541,13 +568,17 @@ jobs:
         with:
           flutter-version: ${{ env.FLUTTER_VERSION }}
 
-      - name: Restore ${{ needs.build-xain-ai-lib.outputs.cache-key }} cache
-        uses: actions/cache@v2.1.4
+      - name: Download ${{ needs.build-linux-lib.outputs.cache-key }} artifacts
+        uses: actions/download-artifact@v2
         with:
-          path: |
-            ${{ github.workspace }}/target/debug/libxayn_ai_ffi_c.so
-            ${{ github.workspace }}/xayn-ai-ffi-c/ffi.h
-          key: ${{ needs.build-xain-ai-lib.outputs.cache-key }}
+          name: ${{ needs.build-linux-lib.outputs.cache-key }}
+          path: ${{ runner.temp }}/${{ needs.build-linux-lib.outputs.cache-key }}
+
+      - name: Move C-header and linux lib
+        working-directory: ${{ runner.temp }}/${{ needs.build-linux-lib.outputs.cache-key }}
+        run: |
+          mv xayn-ai-ffi-c/ffi.h ${{ github.workspace }}/xayn-ai-ffi-c/ffi.h
+          cp -R target ${{ github.workspace }}
 
       - name: Download data
         run: sh download_data.sh
@@ -566,7 +597,7 @@ jobs:
 
   flutter-test:
     name: flutter-test
-    needs: build-xain-ai-lib
+    needs: build-linux-lib
     runs-on: ubuntu-20.04
     timeout-minutes: 10
     steps:
@@ -592,13 +623,17 @@ jobs:
         with:
           flutter-version: ${{ env.FLUTTER_VERSION }}
 
-      - name: Restore ${{ needs.build-xain-ai-lib.outputs.cache-key }} cache
-        uses: actions/cache@v2.1.4
+      - name: Download ${{ needs.build-linux-lib.outputs.cache-key }} artifacts
+        uses: actions/download-artifact@v2
         with:
-          path: |
-            ${{ github.workspace }}/target/debug/libxayn_ai_ffi_c.so
-            ${{ github.workspace }}/xayn-ai-ffi-c/ffi.h
-          key: ${{ needs.build-xain-ai-lib.outputs.cache-key }}
+          name: ${{ needs.build-linux-lib.outputs.cache-key }}
+          path: ${{ runner.temp }}/${{ needs.build-linux-lib.outputs.cache-key }}
+
+      - name: Move C-header and linux lib
+        working-directory: ${{ runner.temp }}/${{ needs.build-linux-lib.outputs.cache-key }}
+        run: |
+          mv xayn-ai-ffi-c/ffi.h ${{ github.workspace }}/xayn-ai-ffi-c/ffi.h
+          cp -R target ${{ github.workspace }}
 
       - name: Install flutter dependencies
         working-directory: ${{ env.DART_WORKSPACE }}
@@ -614,3 +649,87 @@ jobs:
       - name: Run flutter tests
         working-directory: ${{ env.DART_WORKSPACE }}
         run: flutter test
+
+  flutter-build-example:
+    name: flutter-build-example
+    needs: [build-linux-lib, build-ios-libs]
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 20
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-20.04, macos-10.15]
+        include:
+          - os: ubuntu-20.04
+            cmd: flutter build apk --debug --split-per-abi
+          - os: macos-10.15
+            cmd: flutter build ios --debug --no-codesign
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Setup java ${{ env.JAVA_VERSION }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+
+      - name: Install libclang-10-dev
+        if: matrix.os == 'ubuntu-20.04'
+        run: sudo apt-get install libclang-10-dev
+
+      - name: Download ${{ needs.build-linux-lib.outputs.cache-key }} artifacts
+        uses: actions/download-artifact@v2
+        with:
+          name: ${{ needs.build-linux-lib.outputs.cache-key }}
+          path: ${{ runner.temp }}/${{ needs.build-linux-lib.outputs.cache-key }}
+
+      - name: Move C-header
+        working-directory: ${{ runner.temp }}/${{ needs.build-linux-lib.outputs.cache-key }}
+        run: mv xayn-ai-ffi-c/ffi.h ${{ github.workspace }}/xayn-ai-ffi-c/ffi.h
+
+      - name: Download iOS aarch64 artifacts
+        if: matrix.os == 'macos-10.15'
+        uses: actions/download-artifact@v2
+        with:
+          name: build-ios-aarch64-apple-ios-${{ github.sha }}
+          path: ${{ runner.temp }}/build-ios-${{ github.sha }}
+
+      - name: Download iOS x84_64 artifacts
+        if: matrix.os == 'macos-10.15'
+        uses: actions/download-artifact@v2
+        with:
+          name: build-ios-x86_64-apple-ios-${{ github.sha }}
+          path: ${{ runner.temp }}/build-ios-${{ github.sha }}
+
+      - name: Move iOS artifacts
+        if: matrix.os == 'macos-10.15'
+        run: |
+          cd ${{ runner.temp }}/${{ needs.build-linux-lib.outputs.cache-key }}
+          cp bindings/dart/ios/Classes/XaynAiFfiDartPlugin.h ${{ env.DART_WORKSPACE }}/ios/Classes/
+          cd ${{ runner.temp }}/build-ios-${{ github.sha }}
+          find . -iname '*.a' -exec cp \{\} ${{ env.DART_WORKSPACE }}/ios \;
+
+      - name: Set path or install flutter
+        uses: subosito/flutter-action@v1
+        with:
+          flutter-version: ${{ env.FLUTTER_VERSION }}
+
+      - name: Install flutter dependencies
+        working-directory: ${{ env.DART_WORKSPACE }}
+        run: flutter pub get
+
+      - name: Generate flutter ffi
+        working-directory: ${{ env.DART_WORKSPACE }}
+        run: flutter pub run ffigen
+
+      - name: Download data
+        run: sh download_data.sh
+
+      - name: Build flutter example
+        working-directory: ${{ env.DART_WORKSPACE }}/example
+        run: ${{ matrix.cmd }}
+
+      - name: Build archive
+        if: matrix.os == 'macos-10.15'
+        working-directory: ${{ env.DART_WORKSPACE }}/example
+        run: xcodebuild -workspace ios/Runner.xcworkspace -scheme Runner archive -configuration release -archivePath build/Runner.xcarchive CODE_SIGNING_ALLOWED="NO"

bindings/dart/example/ios/Flutter/AppFrameworkInfo.plist

@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>8.0</string>
+  <string>12.1</string>
 </dict>
 </plist>

bindings/dart/example/ios/Podfile

@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-# platform :ios, '9.0'
+platform :ios, '12.1'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
@@ -37,5 +37,9 @@ end
 post_install do |installer|
   installer.pods_project.targets.each do |target|
     flutter_additional_ios_build_settings(target)
+    target.build_configurations.each do |config|
+      config.build_settings['ENABLE_BITCODE'] = 'NO'
+      config.build_settings["EXCLUDED_ARCHS"] = "armv7"
+    end
   end
 end

bindings/dart/example/ios/Podfile.lock

@@ -0,0 +1,28 @@
+PODS:
+  - Flutter (1.0.0)
+  - path_provider (0.0.1):
+    - Flutter
+  - xayn_ai_ffi_dart (0.0.1):
+    - Flutter
+
+DEPENDENCIES:
+  - Flutter (from `Flutter`)
+  - path_provider (from `.symlinks/plugins/path_provider/ios`)
+  - xayn_ai_ffi_dart (from `.symlinks/plugins/xayn_ai_ffi_dart/ios`)
+
+EXTERNAL SOURCES:
+  Flutter:
+    :path: Flutter
+  path_provider:
+    :path: ".symlinks/plugins/path_provider/ios"
+  xayn_ai_ffi_dart:
+    :path: ".symlinks/plugins/xayn_ai_ffi_dart/ios"
+
+SPEC CHECKSUMS:
+  Flutter: 434fef37c0980e73bb6479ef766c45957d4b510c
+  path_provider: abfe2b5c733d04e238b0d8691db0cfd63a27a93c
+  xayn_ai_ffi_dart: 286b391bc1afb0c5b9c3d3e15cf1a54df623ffda
+
+PODFILE CHECKSUM: 8462e319511eccc6fb15d8c90ec86661a5952ac8
+
+COCOAPODS: 1.10.1