Android Studio 有內建的模組管理Setting,不過用過其他語言的專案依賴管理都有看過會類似一個file去記錄所有Libs的版本管理,譬如NodeJs 就有一個package.json專們負責依賴的版本控管。

 

AndroidStduio 主要是用Gradle 去做依賴管理,間單的說就是把專案所有模組的依賴可以寫成參考同一變數。

 

我也是參考網路的方法,是在專案根目錄底下建一個buildsystem資料夾,然後新增一個dependencies.gradle 的檔案。

檔案放置位置是在:

 

 

把你要使用的依賴都宣告在這,檔案內容大概像這樣

dependencies.gradle內容如下:

 

allprojects {
    repositories {
        jcenter()
    }
}

ext {
  //Android
  androidBuildToolsVersion = "25.0.1"
  androidSupportToolVersion = "25.2.0"
  androidMinSdkVersion = 18
  androidTargetSdkVersion = 25
  androidCompileSdkVersion = 25
  //Libraries
  gsonVersion = '2.7'
  butterKnifeVersion = '8.4.0'

  appDependencies = [
      gson:               "com.google.code.gson:gson:${gsonVersion}",
      butterKnife:        "com.jakewharton:butterknife:${butterKnifeVersion}",
      butterKnifeCompiler:"com.jakewharton:butterknife-compiler:${butterKnifeVersion}",
      androidAppcompat:   "com.android.support:appcompat-v7:${androidSupportToolVersion}",
      androidDesign:      "com.android.support:design:${androidSupportToolVersion}",
      androidAnnotations: "com.android.support:support-annotations:${androidSupportToolVersion}"
  ]

  appTestDependencies = [
      androidAnnotations: "com.android.support:support-annotations:${androidSupportToolVersion}"
  ]

  dataDependencies = [
      androidAppcompat:   "com.android.support:appcompat-v7:${androidSupportToolVersion}",
      gson:               "com.google.code.gson:gson:${gsonVersion}"
  ]

  dataTestDependencies = [
      androidAnnotations: "com.android.support:support-annotations:${androidSupportToolVersion}"
  ]

}

 

在Project gradle裡導入妳的dependencies.gradle

Project gradle內容:

 

apply from: 'buildsystem/dependencies.gradle'

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.0'
        classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

 

你的App gradle使用參考的方式做依賴跟build版本宣告

App gradle內容:

 

apply plugin: 'com.android.application'
apply plugin: 'android-apt'

android {
    compileSdkVersion rootProject.ext.androidCompileSdkVersion
    buildToolsVersion rootProject.ext.androidBuildToolsVersion

    defaultConfig {
        applicationId "go.deyu.anroidbloger"
        minSdkVersion 18
        targetSdkVersion 25
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    def appDependencies = rootProject.ext.appDependencies
    compile appDependencies.androidAppcompat
    compile appDependencies.androidDesign
    compile appDependencies.gson
    compile appDependencies.butterKnife
    apt appDependencies.butterKnifeCompiler
    testCompile 'junit:junit:4.12'

}


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