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examples/ppocr-det/cpp/build-android.sh

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+#!/bin/bash
+set -e
+
+#
+# Copyright (C) 2024–2025 Amlogic, Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+usage() {
+    echo "Usage: $0 [-a <target_abi>]"
+    echo "  -a <target_abi> : Target ABI (default: arm64-v8a)"
+    echo "  -h              : Show this help message"
+    exit 1
+}
+
+# Default values
+TARGET_ABI=arm64-v8a
+
+# Parse arguments
+while getopts 'a:h' opt; do
+  case "$opt" in
+    a)
+      TARGET_ABI=$OPTARG
+      ;;
+    h)
+      usage
+      ;;
+    *)
+      usage
+      ;;
+  esac
+done
+
+if [ -z "${ANDROID_NDK_PATH}" ]; then
+    if [ -n "${ANDROID_NDK}" ]; then
+        ANDROID_NDK_PATH=${ANDROID_NDK}
+    elif [ -n "${ANDROID_NDK_HOME}" ]; then
+        ANDROID_NDK_PATH=${ANDROID_NDK_HOME}
+    else
+        echo "Error: ANDROID_NDK_PATH is not set."
+        echo "Please set ANDROID_NDK_PATH to your Android NDK directory."
+        exit 1
+    fi
+fi
+
+ROOT_PWD=$(cd "$(dirname $0)" && pwd)
+BUILD_DIR=${ROOT_PWD}/build/android
+
+echo "Building for Android..."
+echo "NDK_PATH: ${ANDROID_NDK_PATH}"
+echo "TARGET_ABI: ${TARGET_ABI}"
+echo "BUILD_DIR: ${BUILD_DIR}"
+
+mkdir -p ${BUILD_DIR}
+cd ${BUILD_DIR}
+
+cmake ../../src \
+    -DCMAKE_TOOLCHAIN_FILE=${ANDROID_NDK_PATH}/build/cmake/android.toolchain.cmake \
+    -DANDROID_ABI=${TARGET_ABI} \
+    -DANDROID_PLATFORM=android-24 \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DOpenCV_DIR=${ROOT_PWD}/../../../dependency/opencv/opencv-android-sdk-build/sdk/native/jni/abi-${TARGET_ABI}
+
+make -j4
+
+echo "Build complete. Executable in ${BUILD_DIR}/paddleocr_det_demo"