up-android-upsb/tsignh5plus/build.gradle

apply plugin: 'com.android.library'

android {
    compileSdkVersion 26



    defaultConfig {
        minSdkVersion 19
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'

    }

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

}

repositories {  //这几句代码一定要加    不然会找不到.aar文件
    flatDir {
        dirs 'libs' //this way we can find the .aar file in libs folder
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation('pub.devrel:easypermissions:1.1.2') {
        exclude group: 'com.android.support'
    }
    implementation 'androidx.appcompat:appcompat:1.0.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'

}