Android Studio 自定义Gradle的配置

工程build.gradle文件的内容可以使用变量的形式定义

1.首先在根目录下创建文件:config.gradle,内容如下:

ext {

    android = [
            compileSdkVersion: 26,
            buildToolsVersion: '27.0.3',
            applicationId    : "com.dzt.launchmode",
            minSdkVersion    : 15,
            targetSdkVersion : 26,
            versionCode      : 1,
            versionName      : "1.0"
    ]

    def dependVersion = [
            support    : "26.+",
            retrofit   : "2.1.0",
            butterknife: "8.4.0",
            blockcanary: "1.2.1",
            leakcanary : "1.4-beta2"
    ]

    dependencies = [
            //base
            "appcompat-v7"                   : "com.android.support:appcompat-v7:${dependVersion.support}",
            "recyclerview-v7"                : "com.android.support:recyclerview-v7:${dependVersion.support}",
            "design"                         : "com.android.support:design:${dependVersion.support}",
    ]
}
此部分的dependVersion与dependencies可以自行添加。

2.在工程的build.gradle上添加

apply from: "config.gradle"

3.替换项目的build.gradle

替换前的build.gradle

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    buildToolsVersion "27.0.3"
    defaultConfig {
        applicationId "com.dzt.launchmode"
        minSdkVersion 15
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        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 'com.android.support:appcompat-v7:26.+'
    compile 'com.android.support.constraint:constraint-layout:1.0.2'
    testCompile 'junit:junit:4.12'
}
替换后的build.gradle

apply plugin: 'com.android.application'

android {
    compileSdkVersion rootProject.ext.android.compileSdkVersion
    buildToolsVersion rootProject.ext.android.buildToolsVersion

    defaultConfig {
        applicationId rootProject.ext.android.applicationId
        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.dependencies["appcompat-v7"]
    compile 'com.android.support.constraint:constraint-layout:1.0.2'
    testCompile 'junit:junit:4.12'
}
此时如果有库版本更新、App版本号更新、添加新的库都可以通过config.gradle文件进行配置。
需要代码可以下载: http://download.csdn.net/download/deng0zhaotai/10215334


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