[Android] add Android CI build scripts (#805)

scripts/android/build_android_cpp.sh

@@ -0,0 +1,118 @@
+#!/bin/bash
+set -e
+set +x
+
+# -------------------------------------------------------------------------------
+#                        mutable global variables
+# -------------------------------------------------------------------------------
+TOOLCHAIN=clang # gcc/clang toolchain
+
+# -------------------------------------------------------------------------------
+#                        readonly global variables
+# -------------------------------------------------------------------------------
+readonly ROOT_PATH=$(pwd)
+readonly ANDROID_ABI=$1
+readonly ANDROID_PLATFORM="android-$2"
+readonly BUILD_ROOT=build/Android
+readonly BUILD_DIR=${BUILD_ROOT}/${ANDROID_ABI}-api-$2
+
+# -------------------------------------------------------------------------------
+#                                 tasks
+# -------------------------------------------------------------------------------
+__make_build_dir() {
+  if [ ! -d "${BUILD_DIR}" ]; then
+    echo "-- [INFO] BUILD_DIR: ${BUILD_DIR} not exists, setup manually ..."
+    if [ ! -d "${BUILD_ROOT}" ]; then
+      mkdir -p "${BUILD_ROOT}" && echo "-- [INFO] Created ${BUILD_ROOT} !"
+    fi
+    mkdir -p "${BUILD_DIR}" && echo "-- [INFO] Created ${BUILD_DIR} !"
+  else
+    echo "-- [INFO] Found BUILD_DIR: ${BUILD_DIR}"
+  fi
+}
+
+__check_cxx_envs() {
+  if [ $LDFLAGS ]; then
+    echo "-- [INFO] Found LDFLAGS: ${LDFLAGS}, \c"
+    echo "unset it before crossing compiling ${ANDROID_ABI}"
+    unset LDFLAGS
+  fi
+  if [ $CPPFLAGS ]; then
+    echo "-- [INFO] Found CPPFLAGS: ${CPPFLAGS}, \c"
+    echo "unset it before crossing compiling ${ANDROID_ABI}"
+    unset CPPFLAGS
+  fi
+  if [ $CPLUS_INCLUDE_PATH ]; then
+    echo "-- [INFO] Found CPLUS_INCLUDE_PATH: ${CPLUS_INCLUDE_PATH}, \c"
+    echo "unset it before crossing compiling ${ANDROID_ABI}"
+    unset CPLUS_INCLUDE_PATH
+  fi
+  if [ $C_INCLUDE_PATH ]; then
+    echo "-- [INFO] Found C_INCLUDE_PATH: ${C_INCLUDE_PATH}, \c"
+    echo "unset it before crossing compiling ${ANDROID_ABI}"
+    unset C_INCLUDE_PATH
+  fi
+}
+
+__set_android_ndk() {
+  if [ -z $ANDROID_NDK ]; then
+    echo "-- [INFO] ANDROID_NDK not exists, please setup manually ..."
+    exit 0
+  else
+    echo "-- [INFO] Found ANDROID_NDK: ${ANDROID_NDK}"
+  fi
+  if [ "$ANDROID_NDK" ]; then
+      NDK_VERSION=$(echo $ANDROID_NDK | egrep -o "[0-9]{2}" | head -n 1)
+      if [ "$NDK_VERSION" -gt 17 ]; then
+          TOOLCHAIN=clang
+      fi
+      echo "-- [INFO] Checked ndk version: ${NDK_VERSION}"
+      echo "-- [INFO] Selected toolchain: ${TOOLCHAIN}"
+  fi
+}
+
+__build_fastdeploy_android_shared() {
+
+  local ANDROID_STL=c++_shared  # c++_static
+  local ANDROID_TOOLCHAIN=${TOOLCHAIN}
+  local TOOLCHAIN_FILE=${ANDROID_NDK}/build/cmake/android.toolchain.cmake
+  local FASDEPLOY_INSTALL_DIR="${ROOT_PATH}/${BUILD_DIR}/install"
+  cd "${BUILD_DIR}" && echo "-- [INFO] Working Dir: ${PWD}"
+
+  cmake -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN_FILE} \
+        -DCMAKE_BUILD_TYPE=MinSizeRel \
+        -DANDROID_ABI=${ANDROID_ABI} \
+        -DANDROID_NDK=${ANDROID_NDK} \
+        -DANDROID_PLATFORM=${ANDROID_PLATFORM} \
+        -DANDROID_STL=${ANDROID_STL} \
+        -DANDROID_TOOLCHAIN=${ANDROID_TOOLCHAIN} \
+        -DENABLE_ORT_BACKEND=OFF \
+        -DENABLE_LITE_BACKEND=ON \
+        -DENABLE_PADDLE_FRONTEND=OFF \
+        -DENABLE_FLYCV=ON \
+        -DENABLE_TEXT=ON \
+        -DENABLE_VISION=ON \
+        -DENABLE_VISION_VISUALIZE=ON \
+        -DBUILD_EXAMPLES=ON \
+        -DWITH_OPENCV_STATIC=OFF \
+        -DWITH_LITE_STATIC=OFF \
+        -DWITH_OPENMP=OFF \
+        -DCMAKE_INSTALL_PREFIX=${FASDEPLOY_INSTALL_DIR} \
+        -Wno-dev ../../.. && make -j8 && make install
+
+  echo "-- [INFO][built][${ANDROID_ABI}][${BUILD_DIR}/install]"
+}
+
+main() {
+  __make_build_dir
+  __check_cxx_envs
+  __set_android_ndk
+  __build_fastdeploy_android_shared
+  exit 0
+}
+
+main
+
+# Usage:
+# ./scripts/android/build_android_cpp.sh arm64-v8a 21
+# ./scripts/android/build_android_cpp.sh armeabi-v7a 21