Simplify Android build script

.github/workflows/_android.yml

@@ -29,8 +29,25 @@ jobs:
         export ARTIFACTS_DIR_NAME=artifacts-to-be-uploaded
 
         # Build LLM Demo for Android
+        export BUILD_AAR_DIR=aar-out
         bash build/build_android_library.sh ${ARTIFACTS_DIR_NAME}
-        bash build/build_android_instrumentation.sh
+        bash build/build_android_instrumentation.sh ${ARTIFACTS_DIR_NAME}
+
+        mkdir -p ${ARTIFACTS_DIR_NAME}/fp32-xnnpack-custom
+        bash ".ci/scripts/test_llama.sh" -model stories110M -build_tool cmake -dtype fp16 -mode portable -upload ${ARTIFACTS_DIR_NAME}/fp32-xnnpack-custom
+
+        mkdir -p examples/demo-apps/android/LlamaDemo/app/libs
+        cp aar-out/executorch.aar examples/demo-apps/android/LlamaDemo/app/libs
+        pushd examples/demo-apps/android/LlamaDemo
+        ANDROID_HOME="${ANDROID_SDK:-/opt/android/sdk}" ./gradlew build assembleAndroidTest
+        popd
+
+        DEMO_APP_DIR="${ARTIFACTS_DIR_NAME}/llm_demo"
+        # The app directory is named using its build flavor as a suffix.
+        mkdir -p "${DEMO_APP_DIR}"
+        # Collect the app and its test suite
+        cp examples/demo-apps/android/LlamaDemo/app/build/outputs/apk/debug/*.apk "${DEMO_APP_DIR}"
+        cp examples/demo-apps/android/LlamaDemo/app/build/outputs/apk/androidTest/debug/*.apk "${DEMO_APP_DIR}"
 
   # Running Android emulator directly on the runner and not using Docker
   run-emulator:

.github/workflows/android-perf.yml

@@ -362,8 +362,17 @@ jobs:
         PYTHON_EXECUTABLE=python bash .ci/scripts/setup-qnn-deps.sh
         PYTHON_EXECUTABLE=python bash .ci/scripts/build-qnn-sdk.sh
 
-        export ANDROID_ABIS="arm64-v8a"
-        PYTHON_EXECUTABLE=python EXECUTORCH_BUILD_QNN=ON QNN_SDK_ROOT=/tmp/qnn/2.28.0.241029 bash build/build_android_library.sh ${ARTIFACTS_DIR_NAME}
+        mkdir -p aar-out
+        PYTHON_EXECUTABLE=python ANDROID_ABIS="arm64-v8a" BUILD_AAR_DIR=aar-out EXECUTORCH_BUILD_QNN=ON QNN_SDK_ROOT=/tmp/qnn/2.28.0.241029 bash build/build_android_library.sh
+        mkdir -p extension/benchmark/android/benchmark/app/libs
+        cp aar-out/executorch.aar extension/benchmark/android/benchmark/app/libs
+        pushd extension/benchmark/android/benchmark
+        ANDROID_HOME="${ANDROID_SDK:-/opt/android/sdk}" ./gradlew build assembleAndroidTest
+        popd
+        MINIBENCH_APP_DIR="${ARTIFACTS_DIR_NAME}/minibench"
+        mkdir -p "${MINIBENCH_APP_DIR}"
+        cp extension/benchmark/android/benchmark/app/build/outputs/apk/debug/*.apk "${MINIBENCH_APP_DIR}"
+        cp extension/benchmark/android/benchmark/app/build/outputs/apk/androidTest/debug/*.apk "${MINIBENCH_APP_DIR}"
 
   # Let's see how expensive this job is, we might want to tone it down by running it periodically
   benchmark-on-device:

.github/workflows/android-release-artifacts.yml

@@ -52,8 +52,12 @@ jobs:
         PYTHON_EXECUTABLE=python bash .ci/scripts/setup-linux.sh --build-tool buck2
         export ARTIFACTS_DIR_NAME=artifacts-to-be-uploaded
 
-        # Build LLM Demo for Android
-        bash build/build_android_library.sh ${ARTIFACTS_DIR_NAME}
+        # Build AAR Package
+        mkdir aar-out
+        export BUILD_AAR_DIR=aar-out
+        bash build/build_android_library.sh
+        mkdir -p "${ARTIFACTS_DIR_NAME}/llm_demo"
+        cp aar-out/executorch.aar "${ARTIFACTS_DIR_NAME}/llm_demo/executorch.aar"
 
         shasum -a 256 "${ARTIFACTS_DIR_NAME}/llm_demo/executorch.aar"
 

build/build_android_library.sh

@@ -137,38 +137,6 @@ build_aar() {
   popd
 }
 
-build_android_demo_apps() {
-  mkdir -p examples/demo-apps/android/LlamaDemo/app/libs
-  cp ${BUILD_AAR_DIR}/executorch.aar examples/demo-apps/android/LlamaDemo/app/libs
-  pushd examples/demo-apps/android/LlamaDemo
-  ANDROID_HOME="${ANDROID_SDK:-/opt/android/sdk}" ./gradlew build assembleAndroidTest
-  popd
-
-  mkdir -p extension/benchmark/android/benchmark/app/libs
-  cp ${BUILD_AAR_DIR}/executorch.aar extension/benchmark/android/benchmark/app/libs
-  pushd extension/benchmark/android/benchmark
-  ANDROID_HOME="${ANDROID_SDK:-/opt/android/sdk}" ./gradlew build assembleAndroidTest
-  popd
-}
-
-collect_artifacts_to_be_uploaded() {
-  ARTIFACTS_DIR_NAME="$1"
-  DEMO_APP_DIR="${ARTIFACTS_DIR_NAME}/llm_demo"
-  # The app directory is named using its build flavor as a suffix.
-  mkdir -p "${DEMO_APP_DIR}"
-  # Collect the app and its test suite
-  cp examples/demo-apps/android/LlamaDemo/app/build/outputs/apk/debug/*.apk "${DEMO_APP_DIR}"
-  cp examples/demo-apps/android/LlamaDemo/app/build/outputs/apk/androidTest/debug/*.apk "${DEMO_APP_DIR}"
-  # Collect JAR and AAR
-  cp extension/android/build/libs/executorch.jar "${DEMO_APP_DIR}"
-  find "${BUILD_AAR_DIR}/" -name 'executorch*.aar' -exec cp {} "${DEMO_APP_DIR}" \;
-  # Collect MiniBench APK
-  MINIBENCH_APP_DIR="${ARTIFACTS_DIR_NAME}/minibench"
-  mkdir -p "${MINIBENCH_APP_DIR}"
-  cp extension/benchmark/android/benchmark/app/build/outputs/apk/debug/*.apk "${MINIBENCH_APP_DIR}"
-  cp extension/benchmark/android/benchmark/app/build/outputs/apk/androidTest/debug/*.apk "${MINIBENCH_APP_DIR}"
-}
-
 main() {
   if [[ -z "${BUILD_AAR_DIR:-}" ]]; then
     BUILD_AAR_DIR="$(mktemp -d)"
@@ -186,10 +154,6 @@ main() {
     build_android_native_library ${ANDROID_ABI}
   done
   build_aar
-  build_android_demo_apps
-  if [ -n "$ARTIFACTS_DIR_NAME" ]; then
-    collect_artifacts_to_be_uploaded ${ARTIFACTS_DIR_NAME}
-  fi
 }
 
 if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then

examples/demo-apps/android/LlamaDemo/setup-with-qnn.sh

@@ -13,13 +13,7 @@ if [ -z "$QNN_SDK_ROOT" ]; then
 fi
 
 BASEDIR=$(dirname "$0")
-source "$BASEDIR"/../../../../build/build_android_library.sh
+ANDROID_ABIS="arm64-v8a" bash "$BASEDIR"/setup.sh
 
 BUILD_AAR_DIR="$(mktemp -d)"
 export BUILD_AAR_DIR
-
-build_jar
-build_android_native_library "arm64-v8a"
-build_aar
-mkdir -p "$BASEDIR"/app/libs
-cp "$BUILD_AAR_DIR/executorch.aar" "$BASEDIR"/app/libs/executorch.aar

examples/demo-apps/android/LlamaDemo/setup.sh

@@ -7,15 +7,11 @@
 
 set -eu
 
-BASEDIR=$(dirname "$0")
-source "$BASEDIR"/../../../../build/build_android_library.sh
-
 BUILD_AAR_DIR="$(mktemp -d)"
 export BUILD_AAR_DIR
 
-build_jar
-build_android_native_library "arm64-v8a"
-build_android_native_library "x86_64"
-build_aar
+BASEDIR=$(dirname "$0")
 mkdir -p "$BASEDIR"/app/libs
+bash "$BASEDIR"/../../../../build/build_android_library.sh
+
 cp "$BUILD_AAR_DIR/executorch.aar" "$BASEDIR"/app/libs/executorch.aar