chore: repository cleared (#616)

## Description

  Clean up repository structure and update library paths

  Summary:
- Remove generated iOS/Android app directories from all demo apps
(computer-vision, llm, speech-to-text, text-embeddings)
- Update .gitignore to exclude `apps/*/ios/ `and
`apps/*/android/`directories
- Move native library binaries from
`packages/react-native-executorch/ios/libs/` to
`packages/react-native-executorch/third-party/ios/libs`
- Update podspec to reference new library paths in third-party directory
  - Remove executorch git submodule

### Introduces a breaking change?

- [ ] Yes
- [x] No

### Type of change

- [ ] Bug fix (change which fixes an issue)
- [ ] New feature (change which adds functionality)
- [ ] Documentation update (improves or adds clarity to existing
documentation)
- [x] Other (chores, tests, code style improvements etc.)

### Tested on

- [x] iOS
- [x] Android

### Testing instructions

<!-- Provide step-by-step instructions on how to test your changes.
Include setup details if necessary. -->

### Screenshots

<!-- Add screenshots here, if applicable -->

### Related issues

<!-- Link related issues here using #issue-number -->

### Checklist

- [x] I have performed a self-review of my code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have updated the documentation accordingly
- [x] My changes generate no new warnings

### Additional notes

<!-- Include any additional information, assumptions, or context that
reviewers might need to understand this PR. -->

Author: NorbertKlockiewicz

.github/workflows/build-android-llm-example.yml

@@ -3,19 +3,15 @@ on:
   pull_request:
     paths:
       - .github/workflows/build-android-llm-example.yml
-      - android/**
-      - third-party/android/**
-      - apps/llm/package.json
-      - apps/llm/android/**
+      - apps/llm/**
+      - packages/react-native-executorch/**
   push:
     branches:
       - main
     paths:
       - .github/workflows/build-android-llm-example.yml
-      - android/**
-      - third-party/android/**
-      - apps/llm/package.json
-      - apps/llm/android/**
+      - apps/llm/**
+      - packages/react-native-executorch/**
   workflow_dispatch:
 jobs:
   build:
@@ -29,14 +25,58 @@ jobs:
     steps:
       - name: Check out Git repository
         uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+          cache: 'yarn'
       - name: Setup Java 17
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: 17
-      - name: Install node dependencies
-        working-directory: ${{ env.WORKING_DIRECTORY }}
+          cache: 'gradle'
+      - name: Install root dependencies
         run: yarn install --immutable
+      - name: Install Expo CLI
+        run: |
+          npm install -g @expo/cli
+          echo "$(npm prefix -g)/bin" >> $GITHUB_PATH
+      - name: Cache Expo prebuild
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.WORKING_DIRECTORY }}/android
+          key: ${{ runner.os }}-expo-android-${{ hashFiles('${{ env.WORKING_DIRECTORY }}/app.json', '${{ env.WORKING_DIRECTORY }}/package.json') }}
+          restore-keys: |
+            ${{ runner.os }}-expo-android-
+      - name: Generate native Android project
+        working-directory: ${{ env.WORKING_DIRECTORY }}
+        run: |
+          if [ ! -d "android" ]; then
+            npx expo prebuild --platform android --no-install
+          else
+            echo "Android project exists, skipping prebuild"
+          fi
+      - name: Cache Gradle
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+            ${{ env.WORKING_DIRECTORY }}/android/.gradle
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
       - name: Build app
         working-directory: ${{ env.WORKING_DIRECTORY }}/android
-        run: ./gradlew assembleDebug --build-cache -PreactNativeArchitectures=arm64-v8a
+        run: |
+          ./gradlew assembleDebug \
+            --build-cache \
+            --parallel \
+            --daemon \
+            --configure-on-demand \
+            -PreactNativeArchitectures=arm64-v8a \
+            -Dorg.gradle.jvmargs="-Xmx4g -XX:+HeapDumpOnOutOfMemoryError" \
+            -Dorg.gradle.workers.max=4

.github/workflows/build-ios-llm-example.yml

@@ -6,14 +6,14 @@ on:
     paths:
       - '.github/workflows/build-ios-llm-example.yml'
       - '*.podspec'
-      - 'apps/llm/ios/**'
-      - 'apps/llm/package.json'
+      - 'apps/llm/**'
+      - 'packages/react-native-executorch/**'
   pull_request:
     paths:
       - '.github/workflows/build-ios-llm-example.yml'
       - '*.podspec'
-      - 'apps/llm/ios/**'
-      - 'apps/llm/package.json'
+      - 'apps/llm/**'
+      - 'packages/react-native-executorch/**'
   workflow_dispatch:
 jobs:
   build:
@@ -28,12 +28,52 @@ jobs:
           xcode-version: latest-stable
       - name: Check out Git repository
         uses: actions/checkout@v4
-      - name: Install node dependencies
+        with:
+          submodules: recursive
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+          cache: 'yarn'
+      - name: Install root dependencies
+        run: yarn install --immutable
+      - name: Install Expo CLI
+        run: |
+          npm install -g @expo/cli
+          echo "$(npm prefix -g)/bin" >> $GITHUB_PATH
+      - name: Cache Expo prebuild
+        uses: actions/cache@v4
+        with:
+          path: apps/llm/ios
+          key: ${{ runner.os }}-expo-ios-${{ hashFiles('apps/llm/app.json', 'apps/llm/package.json') }}
+          restore-keys: |
+            ${{ runner.os }}-expo-ios-
+      - name: Generate native iOS project
         working-directory: apps/llm
-        run: yarn
-      - name: Install pods
+        run: |
+          if [ ! -d "ios" ]; then
+            npx expo prebuild --platform ios --no-install
+          else
+            echo "iOS project exists, skipping prebuild"
+          fi
+      - name: Cache CocoaPods
+        uses: actions/cache@v4
+        with:
+          path: |
+            apps/llm/ios/Pods
+            ~/Library/Caches/CocoaPods
+            ~/.cocoapods
+          key: ${{ runner.os }}-pods-${{ hashFiles('apps/llm/ios/Podfile.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-pods-
+      - name: Install CocoaPods dependencies
         working-directory: apps/llm/ios
-        run: pod install
+        run: |
+          if [ ! -d "Pods" ]; then
+            pod install
+          else
+            echo "Pods directory exists, skipping install"
+          fi
       - name: Build app
         working-directory: apps/llm/ios
         run: |
@@ -44,4 +84,7 @@ jobs:
             -configuration Debug \
             -destination 'platform=iOS Simulator,name=iPhone 16 Pro' \
             build \
-            CODE_SIGNING_ALLOWED=NO | xcbeautify
+            CODE_SIGNING_ALLOWED=NO \
+            -jobs $(sysctl -n hw.ncpu) \
+            COMPILER_INDEX_STORE_ENABLE=NO \
+            ONLY_ACTIVE_ARCH=YES | xcbeautify

.gitignore

@@ -87,6 +87,8 @@ lib/
 # React Native Codegen
 ios/generated
 android/generated
+apps/*/ios/
+apps/*/android/
 
 # custom
 *.tgz

.gitmodules

@@ -1,6 +1,3 @@
-[submodule "executorch"]
-    path = third-party/executorch
-    url = https://github.com/software-mansion-labs/executorch
 [submodule "tokenizers-cpp"]
 	path = third-party/tokenizers-cpp
 	url = https://github.com/software-mansion-labs/tokenizers-cpp