From 3178426f9b5ad0f7bfc31a7efe8299675f738364 Mon Sep 17 00:00:00 2001
From: sensuikan1973 <sensuikan1973@gmail.com>
Date: Mon, 3 Nov 2025 13:35:32 +0900
Subject: [PATCH 1/8] android so file

---
 .github/workflows/create_release.yaml | 52 ++++++++++++++++
 README.md                             |  1 +
 scripts/build_libedax_android.sh      | 90 +++++++++++++++++++++++++++
 scripts/test_android_build.sh         | 53 ++++++++++++++++
 4 files changed, 196 insertions(+)
 create mode 100755 scripts/build_libedax_android.sh
 create mode 100755 scripts/test_android_build.sh

diff --git a/.github/workflows/create_release.yaml b/.github/workflows/create_release.yaml
index e238c7f46ab..7fb3bcf767f 100644
--- a/.github/workflows/create_release.yaml
+++ b/.github/workflows/create_release.yaml
@@ -68,3 +68,55 @@ jobs:
           tag_name: ${{ env.CURRENT_VERSION }}
           files: ${{ env.PUBLISH_DIR }}/${{ runner.os }}.zip
           generate_release_notes: true
+
+  create_android_release:
+    # See: .github/workflows/create_release_pr.yaml
+    if: ${{ github.head_ref == 'prepare_for_release' && github.event.pull_request.merged == true }}
+    env:
+      OUTPUT_DIR: libedax_output
+      PUBLISH_DIR: dst
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    strategy:
+      matrix:
+        android_abi: [arm64-v8a, armeabi-v7a, x86_64, x86]
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - uses: dart-lang/setup-dart@v1
+
+      - name: inject current version
+        shell: bash
+        run: echo "CURRENT_VERSION=$(dart pub deps --style compact | grep "libedax4dart" | cut -c 14-)" >> $GITHUB_ENV
+
+      - name: Setup Android NDK
+        uses: nttld/setup-ndk@v1
+        with:
+          ndk-version: r25c
+          add-to-path: true
+
+      - name: Install p7zip
+        run: sudo apt-get update && sudo apt-get install -y p7zip-full
+
+      - name: Build Android libedax
+        shell: bash
+        env:
+          android_abi: ${{ matrix.android_abi }}
+          dst: ${{ env.OUTPUT_DIR }}
+        run: ./scripts/build_libedax_android.sh
+
+      - name: compress Android files
+        shell: bash
+        run: |
+          mkdir -p ${{ env.PUBLISH_DIR }}
+          cd ${{ env.OUTPUT_DIR }}/android/${{ matrix.android_abi }}
+          zip -r ../../../${{ env.PUBLISH_DIR }}/Android-${{ matrix.android_abi }}.zip .
+
+      - uses: softprops/action-gh-release@v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.PAT }}
+        with:
+          tag_name: ${{ env.CURRENT_VERSION }}
+          files: ${{ env.PUBLISH_DIR }}/Android-${{ matrix.android_abi }}.zip
+          generate_release_notes: true
diff --git a/README.md b/README.md
index 0ab36dd099f..ec65425a768 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@ With using libedax4dart, you can execute functions equivalent to [edax](https://
   - macos: `libedax.universal.dylib`
   - windows: `libedax-x64.dll`
   - linux: `libedax.so`
+  - android: `libedax-{arch}.so` (where {arch} is arm64-v8a, armeabi-v7a, x86_64, or x86)
 - (Optional) data for edax
   - `book.dat`
   - `eval.dat`
diff --git a/scripts/build_libedax_android.sh b/scripts/build_libedax_android.sh
new file mode 100755
index 00000000000..1abe8de2bd4
--- /dev/null
+++ b/scripts/build_libedax_android.sh
@@ -0,0 +1,90 @@
+#!/bin/bash
+# shellcheck disable=SC2154
+set -euxo pipefail
+
+# NOTE: require some environment variables.
+# android_abi: Android ABI (arm64-v8a, armeabi-v7a, x86_64, x86)
+# dst: output directory (e.g. build)
+#
+# example:
+# android_abi="arm64-v8a" dst="." ./scripts/build_libedax_android.sh
+
+if [ -z "${android_abi:-}" ]; then
+    echo "Error: android_abi environment variable is required"
+    exit 1
+fi
+
+# Clone and setup edax-reversi
+rm -rf edax-reversi
+git clone https://github.com/sensuikan1973/edax-reversi
+cd edax-reversi
+git remote update --prune
+git switch libedax_sensuikan1973
+git checkout "$(cat ../.libedax-version)"
+
+# Download eval data
+mkdir -p data
+curl -OL https://github.com/abulmo/edax-reversi/releases/download/v4.4/eval.7z
+7za x eval.7z -y
+
+# Set up Android NDK toolchain
+export ANDROID_NDK_ROOT=$ANDROID_NDK_LATEST_HOME
+
+# Detect the correct prebuilt directory based on the host OS
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    export NDK_TOOLCHAIN=$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/darwin-x86_64
+elif [[ "$OSTYPE" == "linux-gnu"* ]]; then
+    export NDK_TOOLCHAIN=$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64
+else
+    echo "Error: Unsupported OS type: $OSTYPE"
+    exit 1
+fi
+
+# Set up compiler and flags based on architecture
+case "$android_abi" in
+  "arm64-v8a")
+    export CC=$NDK_TOOLCHAIN/bin/aarch64-linux-android21-clang
+    export ARCH_FLAGS="-march=armv8-a"
+    export OUTPUT_NAME="libedax-arm64-v8a.so"
+    ;;
+  "armeabi-v7a")
+    export CC=$NDK_TOOLCHAIN/bin/armv7a-linux-androideabi21-clang
+    export ARCH_FLAGS="-march=armv7-a -mfpu=neon"
+    export OUTPUT_NAME="libedax-armeabi-v7a.so"
+    ;;
+  "x86_64")
+    export CC=$NDK_TOOLCHAIN/bin/x86_64-linux-android21-clang
+    export ARCH_FLAGS="-m64"
+    export OUTPUT_NAME="libedax-x86_64.so"
+    ;;
+  "x86")
+    export CC=$NDK_TOOLCHAIN/bin/i686-linux-android21-clang
+    export ARCH_FLAGS="-m32"
+    export OUTPUT_NAME="libedax-x86.so"
+    ;;
+  *)
+    echo "Error: Unsupported android_abi: $android_abi"
+    exit 1
+    ;;
+esac
+
+# Build libedax for Android
+mkdir -p bin
+cd src
+
+# Custom build command for Android SO file
+$CC -std=c99 -O3 -DNDEBUG -DLIB_BUILD -DANDROID -fPIC -shared $ARCH_FLAGS \
+  all.c -o ../bin/$OUTPUT_NAME -lm -llog
+
+cd ../../
+
+# Setup output directory structure
+mkdir -p "${dst:-.}/android/$android_abi/bin"
+mkdir -p "${dst:-.}/android/$android_abi/data"
+
+# Copy built library and data
+cp "edax-reversi/bin/$OUTPUT_NAME" "${dst:-.}/android/$android_abi/bin/"
+cp -r edax-reversi/data/* "${dst:-.}/android/$android_abi/data/"
+
+echo "Android libedax build completed for $android_abi"
+echo "Output: ${dst:-.}/android/$android_abi/bin/$OUTPUT_NAME"
diff --git a/scripts/test_android_build.sh b/scripts/test_android_build.sh
new file mode 100755
index 00000000000..7b03f953fbc
--- /dev/null
+++ b/scripts/test_android_build.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+# Test script for Android build (requires Android NDK to be installed locally)
+set -euo pipefail
+
+echo "Testing Android libedax build script..."
+
+# Check if Android NDK is available
+if [ -z "${ANDROID_NDK_ROOT:-}" ] && [ -z "${ANDROID_NDK_LATEST_HOME:-}" ]; then
+    echo "ANDROID_NDK_ROOT or ANDROID_NDK_LATEST_HOME not set. Attempting to auto-detect..."
+    
+    # Try to find Android NDK in common locations
+    POSSIBLE_NDK_PATHS=(
+        "$HOME/Library/Android/sdk/ndk"
+        "$HOME/Android/Sdk/ndk"
+        "/usr/local/android-ndk"
+        "/opt/android-ndk"
+    )
+    
+    for ndk_base in "${POSSIBLE_NDK_PATHS[@]}"; do
+        if [ -d "$ndk_base" ]; then
+            # Find the latest version
+            latest_ndk=$(find "$ndk_base" -maxdepth 1 -type d -name "*.*.*" | sort -V | tail -1)
+            if [ -n "$latest_ndk" ] && [ -d "$latest_ndk" ]; then
+                export ANDROID_NDK_LATEST_HOME="$latest_ndk"
+                echo "Found Android NDK at: $ANDROID_NDK_LATEST_HOME"
+                break
+            fi
+        fi
+    done
+    
+    if [ -z "${ANDROID_NDK_LATEST_HOME:-}" ]; then
+        echo "Error: Android NDK not found in common locations."
+        echo "Please install Android NDK via Android Studio SDK Manager or download from:"
+        echo "https://developer.android.com/ndk/downloads"
+        echo ""
+        echo "Or set the environment variable manually:"
+        echo "export ANDROID_NDK_LATEST_HOME=/path/to/your/ndk"
+        exit 1
+    fi
+fi
+
+# Set ANDROID_NDK_LATEST_HOME if not set but ANDROID_NDK_ROOT is set
+if [ -z "${ANDROID_NDK_LATEST_HOME:-}" ] && [ -n "${ANDROID_NDK_ROOT:-}" ]; then
+    export ANDROID_NDK_LATEST_HOME="$ANDROID_NDK_ROOT"
+fi
+
+# Test building for arm64-v8a
+echo "Building for arm64-v8a..."
+android_abi="arm64-v8a" dst="test_output" ./scripts/build_libedax_android.sh
+
+echo "Build successful! Check test_output/android/arm64-v8a/ for the generated files."
+echo "Generated files:"
+find test_output/android/arm64-v8a/ -name "*.so" -o -name "*.dat" | head -10

From 321eaee7fdbcbad157ed558cfcdfd4dee5f13c4e Mon Sep 17 00:00:00 2001
From: sensuikan1973 <sensuikan1973@gmail.com>
Date: Mon, 3 Nov 2025 14:08:05 +0900
Subject: [PATCH 2/8] SC2086

---
 scripts/build_libedax_android.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/build_libedax_android.sh b/scripts/build_libedax_android.sh
index 1abe8de2bd4..c246da45993 100755
--- a/scripts/build_libedax_android.sh
+++ b/scripts/build_libedax_android.sh
@@ -73,8 +73,8 @@ mkdir -p bin
 cd src
 
 # Custom build command for Android SO file
-$CC -std=c99 -O3 -DNDEBUG -DLIB_BUILD -DANDROID -fPIC -shared $ARCH_FLAGS \
-  all.c -o ../bin/$OUTPUT_NAME -lm -llog
+$CC -std=c99 -O3 -DNDEBUG -DLIB_BUILD -DANDROID -fPIC -shared "$ARCH_FLAGS" \
+  all.c -o "../bin/$OUTPUT_NAME" -lm -llog
 
 cd ../../
 

From db49d9531605c655e9ede5669c44df8861b95d07 Mon Sep 17 00:00:00 2001
From: sensuikan1973 <sensuikan1973@gmail.com>
Date: Mon, 3 Nov 2025 14:09:14 +0900
Subject: [PATCH 3/8] fix

---
 .github/workflows/create_release.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/create_release.yaml b/.github/workflows/create_release.yaml
index 7fb3bcf767f..f7c68214f67 100644
--- a/.github/workflows/create_release.yaml
+++ b/.github/workflows/create_release.yaml
@@ -71,7 +71,7 @@ jobs:
 
   create_android_release:
     # See: .github/workflows/create_release_pr.yaml
-    if: ${{ github.head_ref == 'prepare_for_release' && github.event.pull_request.merged == true }}
+    # if: ${{ github.head_ref == 'prepare_for_release' && github.event.pull_request.merged == true }}
     env:
       OUTPUT_DIR: libedax_output
       PUBLISH_DIR: dst

From c8acf3a8d0e029ee85d461ac11a8925b617d2c53 Mon Sep 17 00:00:00 2001
From: sensuikan1973 <sensuikan1973@gmail.com>
Date: Mon, 3 Nov 2025 14:13:19 +0900
Subject: [PATCH 4/8] fix

---
 scripts/build_libedax_android.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/scripts/build_libedax_android.sh b/scripts/build_libedax_android.sh
index c246da45993..b2d7e08bf87 100755
--- a/scripts/build_libedax_android.sh
+++ b/scripts/build_libedax_android.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# shellcheck disable=SC2154
+# shellcheck disable=SC2154,SC2086
 set -euxo pipefail
 
 # NOTE: require some environment variables.
@@ -73,8 +73,8 @@ mkdir -p bin
 cd src
 
 # Custom build command for Android SO file
-$CC -std=c99 -O3 -DNDEBUG -DLIB_BUILD -DANDROID -fPIC -shared "$ARCH_FLAGS" \
-  all.c -o "../bin/$OUTPUT_NAME" -lm -llog
+$CC -std=c99 -O3 -DNDEBUG -DLIB_BUILD -DANDROID -fPIC -shared $ARCH_FLAGS \
+  all.c -o ../bin/$OUTPUT_NAME -lm -llog
 
 cd ../../
 

From 4afdf3c19353f258414aac8224129931293336bc Mon Sep 17 00:00:00 2001
From: sensuikan1973 <sensuikan1973@gmail.com>
Date: Mon, 3 Nov 2025 14:16:04 +0900
Subject: [PATCH 5/8] test build

---
 scripts/test_android_armv7_build.sh | 43 +++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 scripts/test_android_armv7_build.sh

diff --git a/scripts/test_android_armv7_build.sh b/scripts/test_android_armv7_build.sh
new file mode 100644
index 00000000000..edbe807586e
--- /dev/null
+++ b/scripts/test_android_armv7_build.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+# Test script for armeabi-v7a build specifically
+set -euo pipefail
+
+echo "Testing Android libedax build for armeabi-v7a..."
+
+# Check if Android NDK is available
+if [ -z "${ANDROID_NDK_ROOT:-}" ] && [ -z "${ANDROID_NDK_LATEST_HOME:-}" ]; then
+    echo "ANDROID_NDK_ROOT or ANDROID_NDK_LATEST_HOME not set. Attempting to auto-detect..."
+    
+    # Try to find Android NDK in common locations
+    POSSIBLE_NDK_PATHS=(
+        "$HOME/Library/Android/sdk/ndk"
+        "$HOME/Android/Sdk/ndk"
+        "/usr/local/android-ndk"
+        "/opt/android-ndk"
+    )
+    
+    for ndk_base in "${POSSIBLE_NDK_PATHS[@]}"; do
+        if [ -d "$ndk_base" ]; then
+            # Find the latest version
+            latest_ndk=$(find "$ndk_base" -maxdepth 1 -type d -name "*.*.*" | sort -V | tail -1)
+            if [ -n "$latest_ndk" ] && [ -d "$latest_ndk" ]; then
+                export ANDROID_NDK_LATEST_HOME="$latest_ndk"
+                echo "Found Android NDK at: $ANDROID_NDK_LATEST_HOME"
+                break
+            fi
+        fi
+    done
+    
+    if [ -z "${ANDROID_NDK_LATEST_HOME:-}" ]; then
+        echo "Error: Android NDK not found in common locations."
+        exit 1
+    fi
+fi
+
+# Test building for armeabi-v7a specifically
+echo "Building for armeabi-v7a..."
+android_abi="armeabi-v7a" dst="test_output_armv7" ./scripts/build_libedax_android.sh
+
+echo "Build successful! Check test_output_armv7/android/armeabi-v7a/ for the generated files."
+echo "Generated files:"
+find test_output_armv7/android/armeabi-v7a/ -name "*.so" -o -name "*.dat" | head -10

From ba4954808f230d95b91f4f697cd8acac0ae0d1bd Mon Sep 17 00:00:00 2001
From: sensuikan1973 <sensuikan1973@gmail.com>
Date: Mon, 3 Nov 2025 14:16:22 +0900
Subject: [PATCH 6/8] Revert "test build"

This reverts commit 4afdf3c19353f258414aac8224129931293336bc.
---
 scripts/test_android_armv7_build.sh | 43 -----------------------------
 1 file changed, 43 deletions(-)
 delete mode 100644 scripts/test_android_armv7_build.sh

diff --git a/scripts/test_android_armv7_build.sh b/scripts/test_android_armv7_build.sh
deleted file mode 100644
index edbe807586e..00000000000
--- a/scripts/test_android_armv7_build.sh
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/bin/bash
-# Test script for armeabi-v7a build specifically
-set -euo pipefail
-
-echo "Testing Android libedax build for armeabi-v7a..."
-
-# Check if Android NDK is available
-if [ -z "${ANDROID_NDK_ROOT:-}" ] && [ -z "${ANDROID_NDK_LATEST_HOME:-}" ]; then
-    echo "ANDROID_NDK_ROOT or ANDROID_NDK_LATEST_HOME not set. Attempting to auto-detect..."
-    
-    # Try to find Android NDK in common locations
-    POSSIBLE_NDK_PATHS=(
-        "$HOME/Library/Android/sdk/ndk"
-        "$HOME/Android/Sdk/ndk"
-        "/usr/local/android-ndk"
-        "/opt/android-ndk"
-    )
-    
-    for ndk_base in "${POSSIBLE_NDK_PATHS[@]}"; do
-        if [ -d "$ndk_base" ]; then
-            # Find the latest version
-            latest_ndk=$(find "$ndk_base" -maxdepth 1 -type d -name "*.*.*" | sort -V | tail -1)
-            if [ -n "$latest_ndk" ] && [ -d "$latest_ndk" ]; then
-                export ANDROID_NDK_LATEST_HOME="$latest_ndk"
-                echo "Found Android NDK at: $ANDROID_NDK_LATEST_HOME"
-                break
-            fi
-        fi
-    done
-    
-    if [ -z "${ANDROID_NDK_LATEST_HOME:-}" ]; then
-        echo "Error: Android NDK not found in common locations."
-        exit 1
-    fi
-fi
-
-# Test building for armeabi-v7a specifically
-echo "Building for armeabi-v7a..."
-android_abi="armeabi-v7a" dst="test_output_armv7" ./scripts/build_libedax_android.sh
-
-echo "Build successful! Check test_output_armv7/android/armeabi-v7a/ for the generated files."
-echo "Generated files:"
-find test_output_armv7/android/armeabi-v7a/ -name "*.so" -o -name "*.dat" | head -10

From 4d838a63057bf00c53fb0ecf2ac163e13cecade4 Mon Sep 17 00:00:00 2001
From: sensuikan1973 <sensuikan1973@gmail.com>
Date: Mon, 3 Nov 2025 14:17:30 +0900
Subject: [PATCH 7/8] fix

---
 scripts/test_android_build.sh | 53 -----------------------------------
 1 file changed, 53 deletions(-)
 delete mode 100755 scripts/test_android_build.sh

diff --git a/scripts/test_android_build.sh b/scripts/test_android_build.sh
deleted file mode 100755
index 7b03f953fbc..00000000000
--- a/scripts/test_android_build.sh
+++ /dev/null
@@ -1,53 +0,0 @@
-#!/bin/bash
-# Test script for Android build (requires Android NDK to be installed locally)
-set -euo pipefail
-
-echo "Testing Android libedax build script..."
-
-# Check if Android NDK is available
-if [ -z "${ANDROID_NDK_ROOT:-}" ] && [ -z "${ANDROID_NDK_LATEST_HOME:-}" ]; then
-    echo "ANDROID_NDK_ROOT or ANDROID_NDK_LATEST_HOME not set. Attempting to auto-detect..."
-    
-    # Try to find Android NDK in common locations
-    POSSIBLE_NDK_PATHS=(
-        "$HOME/Library/Android/sdk/ndk"
-        "$HOME/Android/Sdk/ndk"
-        "/usr/local/android-ndk"
-        "/opt/android-ndk"
-    )
-    
-    for ndk_base in "${POSSIBLE_NDK_PATHS[@]}"; do
-        if [ -d "$ndk_base" ]; then
-            # Find the latest version
-            latest_ndk=$(find "$ndk_base" -maxdepth 1 -type d -name "*.*.*" | sort -V | tail -1)
-            if [ -n "$latest_ndk" ] && [ -d "$latest_ndk" ]; then
-                export ANDROID_NDK_LATEST_HOME="$latest_ndk"
-                echo "Found Android NDK at: $ANDROID_NDK_LATEST_HOME"
-                break
-            fi
-        fi
-    done
-    
-    if [ -z "${ANDROID_NDK_LATEST_HOME:-}" ]; then
-        echo "Error: Android NDK not found in common locations."
-        echo "Please install Android NDK via Android Studio SDK Manager or download from:"
-        echo "https://developer.android.com/ndk/downloads"
-        echo ""
-        echo "Or set the environment variable manually:"
-        echo "export ANDROID_NDK_LATEST_HOME=/path/to/your/ndk"
-        exit 1
-    fi
-fi
-
-# Set ANDROID_NDK_LATEST_HOME if not set but ANDROID_NDK_ROOT is set
-if [ -z "${ANDROID_NDK_LATEST_HOME:-}" ] && [ -n "${ANDROID_NDK_ROOT:-}" ]; then
-    export ANDROID_NDK_LATEST_HOME="$ANDROID_NDK_ROOT"
-fi
-
-# Test building for arm64-v8a
-echo "Building for arm64-v8a..."
-android_abi="arm64-v8a" dst="test_output" ./scripts/build_libedax_android.sh
-
-echo "Build successful! Check test_output/android/arm64-v8a/ for the generated files."
-echo "Generated files:"
-find test_output/android/arm64-v8a/ -name "*.so" -o -name "*.dat" | head -10

From 248b2b2c12c856a3a97c18f10ee6cc6460c240b0 Mon Sep 17 00:00:00 2001
From: sensuikan1973 <sensuikan1973@gmail.com>
Date: Mon, 3 Nov 2025 14:17:47 +0900
Subject: [PATCH 8/8] upd

---
 .github/workflows/create_release.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/create_release.yaml b/.github/workflows/create_release.yaml
index f7c68214f67..7fb3bcf767f 100644
--- a/.github/workflows/create_release.yaml
+++ b/.github/workflows/create_release.yaml
@@ -71,7 +71,7 @@ jobs:
 
   create_android_release:
     # See: .github/workflows/create_release_pr.yaml
-    # if: ${{ github.head_ref == 'prepare_for_release' && github.event.pull_request.merged == true }}
+    if: ${{ github.head_ref == 'prepare_for_release' && github.event.pull_request.merged == true }}
     env:
       OUTPUT_DIR: libedax_output
       PUBLISH_DIR: dst