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build_openalpr_android.sh
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#!/bin/bash
# You should tweak this section to adapt the paths to your need
#export ANDROID_HOME=/home/jeremy/Android/Sdk
#export NDK_ROOT=/home/jeremy/Android/Sdk/ndk-bundle
#ANDROID_PLATFORM="android-21"
# In my case, FindJNI.cmake does not find java, so i had to manually specify these
# You could try without it and remove the cmake variable specification at the bottom of this file
#JAVA_HOME=/usr/lib/jvm/oracle-java8-jdk-amd64
#JAVA_AWT_LIBRARY=$JAVA_HOME/jre/lib/amd64
#JAVA_JVM_LIBRARY=$JAVA_HOME/jre/lib/amd64
#JAVA_INCLUDE_PATH=$JAVA_HOME/include
#JAVA_INCLUDE_PATH2=$JAVA_HOME/include/linux
#JAVA_AWT_INCLUDE_PATH=$JAVA_HOME/include
SCRIPTPATH=`pwd`
echo $SCRIPTPATH
####################################################################
# Prepare Tesseract and Leptonica, using rmtheis/tess-two repository
####################################################################
git clone --recursive https://github.com/rmtheis/tess-two.git tess2
cd tess2
echo "sdk.dir=$ANDROID_HOME
ndk.dir=$NDK_ROOT" > local.properties
./gradlew assemble
cd ..
####################################################################
# Download and extract OpenCV4Android
####################################################################
wget -O opencv-3.2.0-android-sdk.zip -- https://sourceforge.net/projects/opencvlibrary/files/opencv-android/3.2.0/opencv-3.2.0-android-sdk.zip/download
unzip opencv-3.2.0-android-sdk.zip
rm opencv-3.2.0-android-sdk.zip
####################################################################
# Download and configure openalpr from jav974/openalpr forked repo
####################################################################
git clone https://github.com/jav974/openalpr.git openalpr
mkdir openalpr/android-build
TESSERACT_SRC_DIR=$SCRIPTPATH/tess2/tess-two/jni/com_googlecode_tesseract_android/src
rm -rf openalpr/src/openalpr/ocr/tesseract
mkdir openalpr/src/openalpr/ocr/tesseract
shopt -s globstar
cd $TESSERACT_SRC_DIR
cp **/*.h $SCRIPTPATH/openalpr/src/openalpr/ocr/tesseract
cd $SCRIPTPATH
declare -a ANDROID_ABIS=("armeabi"
"armeabi-v7a"
"armeabi-v7a with NEON"
"arm64-v8a"
"mips"
"mips64"
"x86"
"x86_64"
)
cd openalpr/android-build
for i in "${ANDROID_ABIS[@]}"
do
if [ "$i" == "armeabi-v7a with NEON" ]; then abi="armeabi-v7a"; else abi="$i"; fi
TESSERACT_LIB_DIR=$SCRIPTPATH/tess2/tess-two/libs/$abi
if [[ "$i" == armeabi* ]];
then
arch="arm"
lib="lib"
elif [[ "$i" == arm64-v8a ]];
then
arch="arm64"
lib="lib"
elif [[ "$i" == mips ]] || [[ "$i" == x86 ]];
then
arch="$i"
lib="lib"
elif [[ "$i" == mips64 ]] || [[ "$i" == x86_64 ]];
then
arch="$i"
lib="lib64"
fi
echo "
######################################
Generating project for arch $i
######################################
"
rm -rf "$i" && mkdir "$i"
cd "$i"
cmake \
-DANDROID_TOOLCHAIN=clang \
-DCMAKE_TOOLCHAIN_FILE=$NDK_ROOT/build/cmake/android.toolchain.cmake \
-DANDROID_NDK=$NDK_ROOT \
-DCMAKE_BUILD_TYPE=Release \
-DANDROID_PLATFORM=$ANDROID_PLATFORM \
-DANDROID_ABI="$i" \
-DANDROID_STL=gnustl_static \
-DANDROID_CPP_FEATURES="rtti exceptions" \
-DTesseract_INCLUDE_BASEAPI_DIR=$TESSERACT_SRC_DIR/api \
-DTesseract_INCLUDE_CCSTRUCT_DIR=$TESSERACT_SRC_DIR/ccstruct \
-DTesseract_INCLUDE_CCMAIN_DIR=$TESSERACT_SRC_DIR/ccmain \
-DTesseract_INCLUDE_CCUTIL_DIR=$TESSERACT_SRC_DIR/ccutil \
-DTesseract_LIB=$TESSERACT_LIB_DIR/libtess.so \
-DLeptonica_LIB=$TESSERACT_LIB_DIR/liblept.so \
-DOpenCV_DIR=$SCRIPTPATH/OpenCV-android-sdk/sdk/native/jni \
-DJAVA_AWT_LIBRARY=$JAVA_AWT_LIBRARY \
-DJAVA_JVM_LIBRARY=$JAVA_JVM_LIBRARY \
-DJAVA_INCLUDE_PATH=$JAVA_INCLUDE_PATH \
-DJAVA_INCLUDE_PATH2=$JAVA_INCLUDE_PATH2 \
-DJAVA_AWT_INCLUDE_PATH=$JAVA_AWT_INCLUDE_PATH \
-DPngt_LIB=$TESSERACT_LIB_DIR/libpngt.so \
-DJpgt_LIB=$TESSERACT_LIB_DIR/libjpgt.so \
-DJnigraphics_LIB=$NDK_ROOT/platforms/$ANDROID_PLATFORM/arch-$arch/usr/$lib/libjnigraphics.so \
-DANDROID_ARM_MODE=arm \
../../src/
cmake --build . -- -j 8
cd ..
done
echo "
All done !!!"