显示已经过时的警告

apply plugin: 'com.android.application'

android {
    compileSdkVersion 27
/**
 * 显示已过时的警告
 */
    allprojects{
        gradle.projectsEvaluated {
            tasks.withType(JavaCompile) {
                options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
            }
        }
    }

    defaultConfig {
        applicationId "scj.jl.com.opencv"
        minSdkVersion 21
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

        externalNativeBuild {
            cmake {
//                cppFlags ""
//                cppFlags "-std=c++11 -frtti -fexceptions"
//                arguments opencvFlags, "-DANDROID_ARM_NEON=TRUE" //如有性能要求，可启用NEON
//                arguments "-DANDROID_STL=c++_shared"
            }
        }
        ndk{

            abiFilters 'armeabi-v7a'
            ldLibs "log"

        }
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    externalNativeBuild {
        cmake {
            path "CMakeLists.txt"

        }
    }
    compileOptions {
        sourceCompatibility = '1.8'
        targetCompatibility = '1.8'
    }
    lintOptions {
        checkReleaseBuilds false
        abortOnError false
    }
}

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation 'com.android.support:appcompat-v7:27.1.1'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    testImplementation 'junit:junit:4.12'
    implementation project(':sdk')
}

本文地址：https://blog.csdn.net/u013441613/article/details/107353005