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Android开发之版本统一规范

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读书，正是为了遇见更好的自己

前言

Android开发存在着众多版本的不同，比如compileSdkVersion、minSdkVersion、targetSdkVersion以及项目中依赖第三方库的版本，不同的module及不同的开发人员都有不同的版本，所以需要一个统一版本规范的文件，现在我就来介绍一种方式：配置config.gradle文件。

效果

这里写图片描述

配置

1、在项目根目录下，新建config.gradle文件。（如上图所示）

2、配置config.gradle文件：

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ext {
    android = [
        compileSdkVersion: 25,
        buildToolsVersion: "25.0.2",
        minSdkVersion: 15,
        targetSdkVersion: 25,
        versionCode: 1,
        versionName: "1.0"
    ]
    depsVersion = [
            support: "25.1.1"
    ]
    deps = [
        //-------------Android-------------
        supportV7: "com.android.support:appcompat-v7:${depsVersion.support}",
        junit: "junit:junit:4.12"
    ]
}

3、配置完成之后，需要在app下的build.gradle文件下进行引用：

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apply plugin: 'com.android.application'
android {
    compileSdkVersion rootProject.ext.android.compileSdkVersion
    buildToolsVersion rootProject.ext.android.buildToolsVersion
    defaultConfig {
        applicationId "io.github.zanelove.resourcesubcontract"
        minSdkVersion rootProject.ext.android.minSdkVersion
        targetSdkVersion rootProject.ext.android.targetSdkVersion
        versionCode rootProject.ext.android.versionCode
        versionName rootProject.ext.android.versionName
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}
dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile rootProject.ext.deps.supportV7
    testCompile rootProject.ext.deps.junit
}

4、配置和引用工作都已完成，只需最后在项目的根目录下的build.gradle的最上方添加一句引用：apply from: “config.gradle”。

5、以后凡是有版本号需要统一规范的需求都应在config.gradle中进行添加、修改、删除配置，同时在app下的build.gradle文件中进行引用。

示例

config.gradle：

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ext {
    signingConfig = [            
		storePassword: "xxx",
        keyAlias     : "xxx",
        keyPassword  : "xxx"
    ]
    android = [            
		compileSdkVersion: 24,            
		buildToolsVersion: "24.0.2",
        minSdkVersion    : 17,
        targetSdkVersion : 24,
        versionName      : "1.0.0",
        versionCode      : 1	
    ]
    depsVersion = [
        support    : "24.2.1",
        retrofit   : "2.1.0",
        okhttp     : "3.3.1",
        agera      : "1.1.0",            
		butterKnife: "8.4.0"
    ]
    deps = [
        // ------------- Android -------------
        supportV4          : "com.android.support:support-v4:${depsVersion.support}",
        supportV7          : "com.android.support:appcompat-v7:${depsVersion.support}",
        recyclerviewV7     : "com.android.support:recyclerview-v7:${depsVersion.support}",
        cardviewV7         : "com.android.support:cardview-v7:${depsVersion.support}",
        design             : "com.android.support:design:${depsVersion.support}",
        percent            : "com.android.support:percent:${depsVersion.support}",
        // ------------- Three Parts -------------
        butterknife        : "com.jakewharton:butterknife:${depsVersion.butterKnife}",    
        butterknifeCompiler: "com.jakewharton:butterknife-compiler:${depsVersion.butterKnife}",
        rxandroid          : "io.reactivex:rxandroid:1.2.1",
        rxjava             : "io.reactivex:rxjava:1.1.6",
        retrofit           : "com.squareup.retrofit2:retrofit:2.1.0",
        okhttp             : "com.squareup.okhttp3:okhttp:3.4.1",
        androideventbus    : "org.simple:androideventbus:1.0.5.1",
        picasso            : "com.squareup.picasso:picasso:2.5.2",
        fresco             : "com.facebook.fresco:fresco:0.13.0",
        gson               : "com.google.code.gson:gson:2.7",
        // ------------- Test dependencies -------------
        junit              : "junit:junit:4.12",
        truth              : "com.google.truth:truth:0.28",
        robolectric        : "org.robolectric:robolectric:3.1.2",
        openglApi          : "org.khronos:opengl-api:gl1.1-android-2.1_r1",
        compiletesting     : "com.google.testing.compile:compile-testing:0.9",
        autoservice        : "com.google.auto.service:auto-service:1.0-rc2",
        autocommon         : "com.google.auto:auto-common:0.6"
    ]
}

build.gradle：

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android {
    compileSdkVersion rootProject.ext.android.compileSdkVersion
    buildToolsVersion rootProject.ext.android.buildToolsVersion
    defaultConfig {
        applicationId    "xxx"
        minSdkVersion    rootProject.ext.android.minSdkVersion
        targetSdkVersion rootProject.ext.android.targetSdkVersion
        versionCode      rootProject.ext.android.versionCode
        versionName      rootProject.ext.android.versionName
    }
    signingConfigs {
        myConfig {
            storeFile     file("../sign/kmkey")
            storePassword rootProject.ext.signingConfig.storePassword
            keyAlias      rootProject.ext.signingConfig.keyAlias
            keyPassword   rootProject.ext.signingConfig.keyPassword
        }
    }
    ...
}
dependencies {
    compile     fileTree(dir: "libs", include: ["*.jar"])
    compile     rootProject.ext.deps.supportV7
    testCompile rootProject.ext.deps.junit
}
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