[opencv_core] & [opencv_dart] with android auto ignore unuse abi

packages/opencv_core/.gitignore

@@ -9,6 +9,7 @@
 .history
 .svn/
 migrate_working_dir/
+.cxx/
 
 # IntelliJ related
 *.iml

packages/opencv_core/android/build.gradle

@@ -1,86 +1,110 @@
 // The Android Gradle Plugin builds the native code with the Android NDK.
 
-group = "dev.rainyl.opencv_core"
-version = "1.0"
+group = 'dev.rainyl.opencv_core'
+version = '1.0'
 
 buildscript {
-    repositories {
-        google()
-        mavenCentral()
-    }
+  repositories {
+    google()
+    mavenCentral()
+  }
 
-    dependencies {
-        // The Android Gradle Plugin knows how to build native code with the NDK.
-        classpath("com.android.tools.build:gradle:8.1.0")
-    }
+  dependencies {
+    // The Android Gradle Plugin knows how to build native code with the NDK.
+    classpath('com.android.tools.build:gradle:8.1.0')
+  }
 }
 
 rootProject.allprojects {
-    repositories {
-        google()
-        mavenCentral()
-    }
+  repositories {
+    google()
+    mavenCentral()
+  }
 }
 
-apply plugin: "com.android.library"
+apply plugin: 'com.android.library'
 
 def SOURCE_DIR = project.buildscript.sourceFile.parentFile
 
 android {
-    if (project.android.hasProperty("namespace")) {
-        namespace = "dev.rainyl.opencv_core"
+  if (project.android.hasProperty('namespace')) {
+    namespace = 'dev.rainyl.opencv_core'
+  }
+
+  // Bumping the plugin compileSdk version requires all clients of this plugin
+  // to bump the version in their app.
+  compileSdk = 33
+
+  // Use the NDK version
+  // declared in /android/app/build.gradle file of the Flutter project.
+  // Replace it with a version number if this plugin requires a specific NDK version.
+  // (e.g. ndkVersion "23.1.7779620")
+  // ndkVersion = android.ndkVersion
+
+  // Invoke the shared CMake build with the Android Gradle Plugin.
+  externalNativeBuild {
+    cmake {
+      path = '../src/CMakeLists.txt'
+
+      // The default CMake version for the Android Gradle Plugin is 3.10.2.
+      // https://developer.android.com/studio/projects/install-ndk#vanilla_cmake
+      //
+      // The Flutter tooling requires that developers have CMake 3.10 or later
+      // installed. You should not increase this version, as doing so will cause
+      // the plugin to fail to compile for some customers of the plugin.
+      // version "3.10.2"
     }
+  }
 
-    // Bumping the plugin compileSdk version requires all clients of this plugin
-    // to bump the version in their app.
-    compileSdk = 33
+  compileOptions {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+  }
 
-    // Use the NDK version
-    // declared in /android/app/build.gradle file of the Flutter project.
-    // Replace it with a version number if this plugin requires a specific NDK version.
-    // (e.g. ndkVersion "23.1.7779620")
-    // ndkVersion = android.ndkVersion
+  defaultConfig {
+    minSdkVersion 24
 
     // Invoke the shared CMake build with the Android Gradle Plugin.
     externalNativeBuild {
-        cmake {
-            path = "../src/CMakeLists.txt"
-
-            // The default CMake version for the Android Gradle Plugin is 3.10.2.
-            // https://developer.android.com/studio/projects/install-ndk#vanilla_cmake
-            //
-            // The Flutter tooling requires that developers have CMake 3.10 or later
-            // installed. You should not increase this version, as doing so will cause
-            // the plugin to fail to compile for some customers of the plugin.
-            // version "3.10.2"
-        }
+      cmake {
+        arguments '-DANDROID_ARM_NEON=TRUE',
+          '-DANDROID_STL=c++_static',
+          "-DCMAKE_INSTALL_PREFIX=$SOURCE_DIR/src/main/jniLibs"
+      }
     }
 
-    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
-    }
+    buildTypes {
+      release {
+        externalNativeBuild {
+          cmake {
+            arguments '-DCMAKE_BUILD_TYPE=Release'
+          }
+        }
 
-    defaultConfig {
-      minSdkVersion 24
+        def targetPlatforms = project.getProperty('target-platform').split(',') as List
+        if (!targetPlatforms.isEmpty()) {
+          def platformAbiMap = [
+            'android-arm64': 'arm64-v8a',
+            'android-arm'  : 'armeabi-v7a',
+            'android-x86'  : 'x86',
+            'android-x64'  : 'x86_64'
+          ]
 
-      // Invoke the shared CMake build with the Android Gradle Plugin.
-      externalNativeBuild {
-          cmake {
-              arguments "-DANDROID_ARM_NEON=TRUE",
-                "-DANDROID_STL=c++_static",
-                "-DCMAKE_INSTALL_PREFIX=$SOURCE_DIR/src/main/jniLibs"
+          def excludeList = platformAbiMap.values() as List
+
+          targetPlatforms.each { platform ->
+            excludeList.remove(platformAbiMap[platform])
           }
-      }
 
-      buildTypes {
-        release {
-          externalNativeBuild {
-            cmake {
-              arguments "-DCMAKE_BUILD_TYPE=Release"
+          logger.info "[OPENCV_CORE] building for platforms: $targetPlatforms"
+          logger.info "[OPENCV_CORE] excluded abis: $excludeList"
+          packagingOptions {
+            excludeList.each { abi ->
+              exclude "lib/$abi/*"
             }
           }
         }
       }
     }
+  }
 }

packages/opencv_dart/.gitignore

@@ -9,6 +9,7 @@
 .history
 .svn/
 migrate_working_dir/
+.cxx/
 
 # IntelliJ related
 *.iml

packages/opencv_dart/android/build.gradle

@@ -2,82 +2,106 @@ group 'dev.rainyl.opencv_dart'
 version '1.0'
 
 buildscript {
-    repositories {
-        google()
-        mavenCentral()
-    }
+  repositories {
+    google()
+    mavenCentral()
+  }
 
-    dependencies {
-        // The Android Gradle Plugin knows how to build native code with the NDK.
-        classpath("com.android.tools.build:gradle:8.1.0")
-    }
+  dependencies {
+    // The Android Gradle Plugin knows how to build native code with the NDK.
+    classpath("com.android.tools.build:gradle:8.1.0")
+  }
 }
 
 rootProject.allprojects {
-    repositories {
-        google()
-        mavenCentral()
-    }
+  repositories {
+    google()
+    mavenCentral()
+  }
 }
 
 apply plugin: 'com.android.library'
 
 def SOURCE_DIR = project.buildscript.sourceFile.parentFile
 
 android {
-    if (project.android.hasProperty("namespace")) {
-        namespace 'dev.rainyl.opencv_dart'
+  if (project.android.hasProperty("namespace")) {
+    namespace 'dev.rainyl.opencv_dart'
+  }
+
+  // Bumping the plugin compileSdk version requires all clients of this plugin
+  // to bump the version in their app.
+  compileSdk 33
+
+  // Use the NDK version declared in /android/app/build.gradle file of the Flutter project.
+  // Replace it with a version number if this plugin requires a specific NDK version.
+  // (e.g. ndkVersion "23.1.7779620")
+  // ndkVersion = android.ndkVersion
+
+  // Invoke the shared CMake build with the Android Gradle Plugin.
+  externalNativeBuild {
+    cmake {
+      path "../src/CMakeLists.txt"
+
+      // The default CMake version for the Android Gradle Plugin is 3.10.2.
+      // https://developer.android.com/studio/projects/install-ndk#vanilla_cmake
+      //
+      // The Flutter tooling requires that developers have CMake 3.10 or later
+      // installed. You should not increase this version, as doing so will cause
+      // the plugin to fail to compile for some customers of the plugin.
+      // version "3.10.2"
     }
+  }
 
-    // Bumping the plugin compileSdk version requires all clients of this plugin
-    // to bump the version in their app.
-    compileSdk 33
+  compileOptions {
+    sourceCompatibility JavaVersion.VERSION_1_8
+    targetCompatibility JavaVersion.VERSION_1_8
+  }
 
-    // Use the NDK version declared in /android/app/build.gradle file of the Flutter project.
-    // Replace it with a version number if this plugin requires a specific NDK version.
-    // (e.g. ndkVersion "23.1.7779620")
-    // ndkVersion = android.ndkVersion
+  defaultConfig {
+    minSdkVersion 24
 
     // Invoke the shared CMake build with the Android Gradle Plugin.
     externalNativeBuild {
-        cmake {
-            path "../src/CMakeLists.txt"
-
-            // The default CMake version for the Android Gradle Plugin is 3.10.2.
-            // https://developer.android.com/studio/projects/install-ndk#vanilla_cmake
-            //
-            // The Flutter tooling requires that developers have CMake 3.10 or later
-            // installed. You should not increase this version, as doing so will cause
-            // the plugin to fail to compile for some customers of the plugin.
-            // version "3.10.2"
-        }
-    }
-
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+      cmake {
+        arguments "-DANDROID_ARM_NEON=TRUE",
+          "-DANDROID_STL=c++_static",
+          "-DCMAKE_INSTALL_PREFIX=$SOURCE_DIR/src/main/jniLibs"
+      }
     }
 
-    defaultConfig {
-        minSdkVersion 24
-
-        // Invoke the shared CMake build with the Android Gradle Plugin.
+    buildTypes {
+      release {
         externalNativeBuild {
-            cmake {
-                arguments "-DANDROID_ARM_NEON=TRUE",
-                  "-DANDROID_STL=c++_static",
-                  "-DCMAKE_INSTALL_PREFIX=$SOURCE_DIR/src/main/jniLibs"
-            }
+          cmake {
+            arguments "-DCMAKE_BUILD_TYPE=Release"
+          }
         }
 
-        buildTypes {
-          release {
-            externalNativeBuild {
-              cmake {
-                arguments "-DCMAKE_BUILD_TYPE=Release"
-              }
+        def targetPlatforms = project.getProperty('target-platform').split(',') as List
+        if (!targetPlatforms.isEmpty()) {
+          def platformAbiMap = [
+            'android-arm64': 'arm64-v8a',
+            'android-arm'  : 'armeabi-v7a',
+            'android-x86'  : 'x86',
+            'android-x64'  : 'x86_64'
+          ]
+
+          def excludeList = platformAbiMap.values() as List
+
+          targetPlatforms.each { platform ->
+            excludeList.remove(platformAbiMap[platform])
+          }
+
+          logger.info "[OPENCV_DART] building for platforms: $targetPlatforms"
+          logger.info "[OPENCV_DART] excluded abis: $excludeList"
+          packagingOptions {
+            excludeList.each { abi ->
+              exclude "lib/$abi/*"
             }
           }
+        }
       }
     }
+  }
 }