update build script for android (#72)

* update build script for android

* small fixes

@@ -13,6 +13,7 @@ sherpa-onnx-streaming-zipformer-*
 sherpa-onnx-lstm-en-*
 sherpa-onnx-lstm-zh-*
 build-android-arm64-v8a/
+build-android-armv7-eabi/
 build-android-x86-64/
 a.txt
 run-bilingual*.sh
@@ -35,3 +36,4 @@ tokens.txt
 *.onnx
 log.txt
 tags
+android/SherpaOnnx/app/src/main/assets/

 #!/usr/bin/env bash
 set -ex
 
-dir=build-android-arm64-v8a
+dir=$PWD/build-android-arm64-v8a
 
 mkdir -p $dir
 cd $dir
@@ -43,7 +43,7 @@ fi
 echo "ANDROID_NDK: $ANDROID_NDK"
 sleep 1
 
-if [ ! -f android-onnxruntime-libs/jni/arm64-v8a/libonnxruntime.so ]; then
+if [ ! -f ./android-onnxruntime-libs/jni/arm64-v8a/libonnxruntime.so ]; then
   GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/csukuangfj/android-onnxruntime-libs
   pushd android-onnxruntime-libs
   git lfs pull --include "jni/arm64-v8a/libonnxruntime.so"
@@ -53,15 +53,15 @@ fi
 ls -l ./android-onnxruntime-libs/jni/arm64-v8a/libonnxruntime.so
 
 # check filesize
-filesize=$(ls -l ./android-onnxruntime-libs/jni/arm64-v8a/libonnxruntime.so  | tr -s " " " " | cut -d " " -f 5)
+filesize=$(ls -l ./android-onnxruntime-libs/jni/arm64-v8a/libonnxruntime.so | tr -s " " " " | cut -d " " -f 5)
 if (( $filesize < 1000 )); then
   ls -lh ./android-onnxruntime-libs/jni/arm64-v8a/libonnxruntime.so
   echo "Please use: git lfs pull to download libonnxruntime.so"
   exit 1
 fi
 
-export SHERPA_ONNXRUNTIME_LIB_DIR=$PWD/android-onnxruntime-libs/jni/arm64-v8a/
-export SHERPA_ONNXRUNTIME_INCLUDE_DIR=$PWD/android-onnxruntime-libs/headers/
+export SHERPA_ONNXRUNTIME_LIB_DIR=$dir/android-onnxruntime-libs/jni/arm64-v8a/
+export SHERPA_ONNXRUNTIME_INCLUDE_DIR=$dir/android-onnxruntime-libs/headers/
 
 echo "SHERPA_ONNXRUNTIME_LIB_DIR: $SHERPA_ONNXRUNTIME_LIB_DIR"
 echo "SHERPA_ONNXRUNTIME_INCLUDE_DIR $SHERPA_ONNXRUNTIME_INCLUDE_DIR"

+#!/usr/bin/env bash
+set -ex
+
+dir=$PWD/build-android-armv7-eabi
+
+mkdir -p $dir
+cd $dir
+
+# Note from https://github.com/Tencent/ncnn/wiki/how-to-build#build-for-android
+# (optional) remove the hardcoded debug flag in Android NDK android-ndk
+# issue: https://github.com/android/ndk/issues/243
+#
+# open $ANDROID_NDK/build/cmake/android.toolchain.cmake for ndk < r23
+# or $ANDROID_NDK/build/cmake/android-legacy.toolchain.cmake for ndk >= r23
+#
+# delete "-g" line
+#
+# list(APPEND ANDROID_COMPILER_FLAGS
+#   -g
+#   -DANDROID
+
+if [ -z $ANDROID_NDK ]; then
+  ANDROID_NDK=/ceph-fj/fangjun/software/android-sdk/ndk/21.0.6113669
+  # or use
+  # ANDROID_NDK=/ceph-fj/fangjun/software/android-ndk
+  #
+  # Inside the $ANDROID_NDK directory, you can find a binary ndk-build
+  # and some other files like the file "build/cmake/android.toolchain.cmake"
+
+  if [ ! -d $ANDROID_NDK ]; then
+    # For macOS, I have installed Android Studio, select the menu
+    # Tools -> SDK manager -> Android SDK
+    # and set "Android SDK location" to /Users/fangjun/software/my-android
+    ANDROID_NDK=/Users/fangjun/software/my-android/ndk/22.1.7171670
+  fi
+fi
+
+if [ ! -d $ANDROID_NDK ]; then
+  echo Please set the environment variable ANDROID_NDK before you run this script
+  exit 1
+fi
+
+echo "ANDROID_NDK: $ANDROID_NDK"
+sleep 1
+
+if [ ! -f ./android-onnxruntime-libs/jni/armeabi-v7a/libonnxruntime.so ]; then
+  GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/csukuangfj/android-onnxruntime-libs
+  pushd android-onnxruntime-libs
+  git lfs pull --include "jni/armeabi-v7a/libonnxruntime.so"
+  popd
+fi
+
+ls -l ./android-onnxruntime-libs/jni/armeabi-v7a/libonnxruntime.so
+
+# check filesize
+filesize=$(ls -l ./android-onnxruntime-libs/jni/armeabi-v7a/libonnxruntime.so  | tr -s " " " " | cut -d " " -f 5)
+if (( $filesize < 1000 )); then
+  ls -lh ./android-onnxruntime-libs/jni/armeabi-v7a/libonnxruntime.so
+  echo "Please use: git lfs pull to download libonnxruntime.so"
+  exit 1
+fi
+
+export SHERPA_ONNXRUNTIME_LIB_DIR=$dir/android-onnxruntime-libs/jni/armeabi-v7a/
+export SHERPA_ONNXRUNTIME_INCLUDE_DIR=$dir/android-onnxruntime-libs/headers/
+
+echo "SHERPA_ONNXRUNTIME_LIB_DIR: $SHERPA_ONNXRUNTIME_LIB_DIR"
+echo "SHERPA_ONNXRUNTIME_INCLUDE_DIR $SHERPA_ONNXRUNTIME_INCLUDE_DIR"
+
+cmake -DCMAKE_TOOLCHAIN_FILE="$ANDROID_NDK/build/cmake/android.toolchain.cmake" \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DBUILD_SHARED_LIBS=ON \
+    -DSHERPA_ONNX_ENABLE_PYTHON=OFF \
+    -DSHERPA_ONNX_ENABLE_TESTS=OFF \
+    -DSHERPA_ONNX_ENABLE_CHECK=OFF \
+    -DSHERPA_ONNX_ENABLE_PORTAUDIO=OFF \
+    -DSHERPA_ONNX_ENABLE_JNI=ON \
+    -DCMAKE_INSTALL_PREFIX=./install \
+    -DANDROID_ABI="armeabi-v7a" -DANDROID_ARM_NEON=ON \
+    -DANDROID_PLATFORM=android-21 ..
+# make VERBOSE=1 -j4
+make -j4
+make install/strip
+cp -fv android-onnxruntime-libs/jni/armeabi-v7a/libonnxruntime.so install/lib

 #!/usr/bin/env bash
 set -ex
 
-dir=build-android-x86-64
+dir=$PWD/build-android-x86-64
 
 mkdir -p $dir
 cd $dir
@@ -43,7 +43,7 @@ fi
 echo "ANDROID_NDK: $ANDROID_NDK"
 sleep 1
 
-if [ ! -f android-onnxruntime-libs/jni/x86_64/libonnxruntime.so ]; then
+if [ ! -f ./android-onnxruntime-libs/jni/x86_64/libonnxruntime.so ]; then
   GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/csukuangfj/android-onnxruntime-libs
   pushd android-onnxruntime-libs
   git lfs pull --include "jni/x86_64/libonnxruntime.so"
@@ -60,8 +60,8 @@ if (( $filesize < 1000 )); then
   exit 1
 fi
 
-export SHERPA_ONNXRUNTIME_LIB_DIR=$PWD/android-onnxruntime-libs/jni/x86_64/
-export SHERPA_ONNXRUNTIME_INCLUDE_DIR=$PWD/android-onnxruntime-libs/headers/
+export SHERPA_ONNXRUNTIME_LIB_DIR=$dir/android-onnxruntime-libs/jni/x86_64/
+export SHERPA_ONNXRUNTIME_INCLUDE_DIR=$dir/android-onnxruntime-libs/headers/
 
 echo "SHERPA_ONNXRUNTIME_LIB_DIR: $SHERPA_ONNXRUNTIME_LIB_DIR"
 echo "SHERPA_ONNXRUNTIME_INCLUDE_DIR $SHERPA_ONNXRUNTIME_INCLUDE_DIR"