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按照该文设置 compileSdkVersion 29时编译opencv库时失败改为28时成功。

app 下的build.gradle:

apply plugin: 'com.android.application'

android {

    compileSdkVersion 28     buildToolsVersion "28.0.3"     defaultConfig {         applicationId "com.example.hellomyopencv"         minSdkVersion 15         targetSdkVersion 28         versionCode 1         versionName "1.0"         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"         ndk{             abiFilters "arm64-v8a","armeabi-v7a","x86","x86_64"         }     }     buildTypes {         release {             minifyEnabled false             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'         }     }     sourceSets{         main{             jniLibs.srcDirs = ['src/main/jniLibs']         }     } } dependencies {     implementation fileTree(dir: 'libs', include: ['*.jar'])     implementation 'androidx.appcompat:appcompat:1.0.2'     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'     testImplementation 'junit:junit:4.12'     androidTestImplementation 'androidx.test:runner:1.2.0'     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'     implementation project(path: ':opencv41Libs') }

opencv 下的buil.gradle:

apply plugin: 'com.android.library'

android {

    compileSdkVersion 28     buildToolsVersion "28.0.3"

    defaultConfig {

        minSdkVersion 15         targetSdkVersion 28     }

    buildTypes {

        release {             minifyEnabled false             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'         }     } }  

编译过后android 和 project 视图：

 

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