Gradle 起步依赖

初期在创建项目的时候，难免会使用到很多的第三方库，比如支持，rxjava，改装等等，通过我们就会去之前的项目一个一个的找，然后复制黏贴对应的依赖到自己的项目上，可是如果之前项目依赖的库太多，再从中筛选的话比较困难，

初期在创建项目的时候，难免会使用到很多的第三方库，比如support，rxjava、retrofit等等，通过我们就会去之前的项目一个一个的找，然后复制黏贴对应的依赖到自己的项目上，可是如果之前项目依赖的库太多，再从中筛选的话比较困难，之前了解过Spring-Boot，它是有起步依赖的，

比如项目中有需要使用网络的，那么则会通过spring-boot-web，引入这个库以后项目就有了网络的能力，包括解析json。

好了，talk is cheap,show you the code.

首先，创建一个config.gradle

ext{

    android = [
            compileSdkVersion: 26,
            buildToolsVersion: "26.0.2",
            minSdkVersion    : 19,
            targetSdkVersion : 26,
            versionCode      : 1,
            versionName      : "1.0"
    ]

    dependVersion = [
            androidSupportSdkVersion: "26.0.2",
            retrofitSdkVersion      : "2.3.0",
            glideSdkVersion         : "4.0.0",
            rxJava                  : "2.1.5",
            rxAndroid               : "2.0.1"
    ]

    supportDeps = [
            //--------  support  -------
            supportv4               : "com.android.support:support-v4:$dependVersion.androidSupportSdkVersion",
            appcompatv7             : "com.android.support:appcompat-v7:$dependVersion.androidSupportSdkVersion",
            cardview                : "com.android.support:cardview-v7:$dependVersion.androidSupportSdkVersion",
            design                  : "com.android.support:design:$dependVersion.androidSupportSdkVersion",
            annotations             : "com.android.support:support-annotations:$dependVersion.androidSupportSdkVersion"
    ]


    retrofit = [
            //------ retrofit和RxJava ---------
            retrofit                : "com.squareup.retrofit2:retrofit:$dependVersion.retrofitSdkVersion",
            retrofitConverterGson   : "com.squareup.retrofit2:converter-gson:$dependVersion.retrofitSdkVersion",
            retrofitAdapterRxjava2  : "com.squareup.retrofit2:adapter-rxjava2:$dependVersion.retrofitSdkVersion",
            okhttp3LoggerInterceptor: 'com.squareup.okhttp3:logging-interceptor:3.4.1'
    ]

    rxJava = [
            rxJava                : "io.reactivex.rxjava2:rxjava:$dependVersion.rxJava",
            rxAndroid             : "io.reactivex.rxjava2:rxandroid:$dependVersion.rxAndroid"
    ]




    glide = "com.github.bumptech.glide:glide:$dependVersion.glideSdkVersion"
    glideCompiler = "com.github.bumptech.glide:compiler:$dependVersion.glideSdkVersion"
    glideOkhttp = "com.github.bumptech.glide:okhttp3-integration:$dependVersion.glideSdkVersion"


    supportLibs = supportDeps.values()
    networkLibs = retrofit.values()
    rxJavaLibs = rxJava.values()
    otherLibs = [glide]

    // APT
    annotationProcessorLibs =[glideCompiler]




}

然后主app的gradle中这样使用

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation('com.android.support.test.espresso:espresso-core:3.0.1') {
        exclude group: 'com.android.support', module: 'support-annotations'
    }
    // Support库
    implementation rootProject.ext.supportLibs
    // 网络请求库
    implementation rootProject.ext.networkLibs
    // RxJava2
    implementation rootProject.ext.rxJavaLibs
    implementation rootProject.ext.otherLibs
    
}

是不是很简单。哈哈

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