【问题标题】:Problem on solving gradle dependencies when building to Android构建到 Android 时解决 gradle 依赖项的问题
【发布时间】:2019-08-03 21:55:40
【问题描述】:

自从我开始将项目升级到 AndroidX 以来,我一直在解决 Flutter 对 Android 的依赖问题。所以我只是创建了一个新项目(0 个自定义 dart 文件)并开始添加我的主项目的包,直到解决依赖关系。所以问题只与 android 和 ios 上的构建设置有关。

项目一直编译,直到我添加了firebase_aut 包(支持androidX 的任何版本):

ERROR: Could not find com.com.myapp.android.tools.build:gradle:3.3.1.
Searched in the following locations:
  - https://dl.google.com/dl/android/maven2/com/com/myapp/android/tools/build/gradle/3.3.1/gradle-3.3.1.pom
  - https://dl.google.com/dl/android/maven2/com/com/myapp/android/tools/build/gradle/3.3.1/gradle-3.3.1.jar
  - https://jcenter.bintray.com/com/com/myapp/android/tools/build/gradle/3.3.1/gradle-3.3.1.pom
  - https://jcenter.bintray.com/com/com/myapp/android/tools/build/gradle/3.3.1/gradle-3.3.1.jar
Required by:
    project :firebase_auth

它正在查找错误的网址。如果我从网址中删除com/myapp,它可以找到项目所需的文件。

我的构建文件:

build.gradle:

buildscript {
    repositories {
        maven { url 'https://dl.google.com/dl/android/maven2' }
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.3.1'
        classpath 'com.google.gms:google-services:4.2.0'
    }
}

allprojects {
    repositories {
        maven { url 'https://dl.google.com/dl/android/maven2' }
        jcenter()
    }
}

rootProject.buildDir = '../build'
subprojects {
    project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
    project.evaluationDependsOn(':app')
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

app/build.gradle

def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
    localPropertiesFile.withReader('UTF-8') { reader ->
        localProperties.load(reader)
    }
}

def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
    flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
    flutterVersionName = '1.0'
}

apply plugin: 'com.android.application'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

android {
    compileSdkVersion 28

    lintOptions {
        disable 'InvalidPackage'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.myapp.app"
        minSdkVersion 21
        targetSdkVersion 28
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        multiDexEnabled true
    }

    buildTypes {
        release {
            // TODO: Add your own signing config for the release build.
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig signingConfigs.debug
        }
    }
}

flutter {
    source '../..'
}

dependencies {
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test:runner:1.1.2-alpha04'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0-alpha02'
    implementation 'androidx.multidex:multidex:2.0.1'
}

apply plugin: 'com.google.gms.google-services'

我的 src 结构:

android
    >app
        >src
            >debug
                >AndroidManifest.xml
            >main
                >java
                    >com
                        >myapp
                            >app
                                >MainActivity.java
     ...

我的gladle.properties:

org.gradle.jvmargs=-Xmx1536M
android.useAndroidX=true
android.enableJetifier=true

来自我的 pubspec 的依赖项:

dependencies:
  flutter:
    sdk: flutter
  flutter_redux: ^0.5.3
  meta: ^1.1.6
  redux: ^3.0.0
  redux_persist_flutter: ^0.8.1
  flutter_markdown: ^0.2.0
  firebase_auth: ^0.8.1+1
  google_sign_in: ^4.0.1+1
  flutter_facebook_login: ^1.2.0
  cloud_firestore: ^0.9.0+2 
  flutter_range_slider: 1.1.0
  just_debounce_it: ^2.1.0
  camera: ^0.4.0+3
  image_picker: ^0.5.0+3
  exif: ^1.0.1
  uuid: ^2.0.0
  firebase_storage: ^2.1.0+1
  image: ^2.0.7
  transparent_image: ^0.1.0
  share_extend: ^1.0.4
  http: ^0.12.0+1
  flutter_native_image:
    git: https://github.com/btastic/flutter_native_image.git
  intl: ^0.15.7
  badges: ^0.0.6
  url_launcher: ^5.0.1
  geolocator: ^3.0.1
  geoflutterfire: #^2.0.0
    git: https://github.com/felipecesar42/GeoFlutterFire.git

我已经尝试了许多 buildscript 存储库的变体。

我已经尝试过使用 Android Studio > 重构到 android X。我没有更多的旧用法可以重构

【问题讨论】:

  • 你是否在 gradle.properties 中添加了 android.enableJetifier=true & android.useAndroidX=true 用于 androidx 迁移?
  • 好点。是的。我刚刚更新了显示我的 gradle.properties 的问题 :)
  • 我测试了你的代码。当我在 app/build.gradle 中更改应用程序 ID 时,一切正常。你确定你添加了正确的 google-services.json 吗?并检查 androidmanifest 是否也在主文件夹中。
  • 是的。如果你把错误的服务,错误是不同的。在我在 pubspec 中添加 firebase_auth 之前它工作正常。你也试过添加吗?
  • 是的,我用我现有的 firebase 项目测试了你的 gradle。它工作正常。您也可以发布您的 pubspec.yaml 文件吗?在 androidx 迁移时,如果任何一个包也与 androidx 不兼容,但它不会构建。

标签: android gradle flutter


【解决方案1】:

我发现了主要问题。有时我试图手动清理缓存以确保以后不会出现缓存问题,我使用的是rm -Rf /Users/felipe/flutter/.pub-cache && flutter clean,然后是flutter get packages。但是,当您删除 .pub-cache 文件夹时,下载包时它不会自动修复。所以刷新flutter安装允许我单独调试每个包。

我开始了一个新项目并手动添加了每个数据包,试图避免使用 Android Studio > Refactor to Android X 及其提供的自动 gradle 更新。

这是我的当前文件:

build.grade

buildscript {
    repositories {
        google()
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.3.1'
        classpath 'com.google.gms:google-services:4.2.0'
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
}

rootProject.buildDir = '../build'
subprojects {
    project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
    project.evaluationDependsOn(':app')
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

app/build.gradle

def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
    localPropertiesFile.withReader('UTF-8') { reader ->
        localProperties.load(reader)
    }
}

def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
    flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
    flutterVersionName = '1.0'
}

apply plugin: 'com.android.application'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

android {
    compileSdkVersion 28

    lintOptions {
        disable 'InvalidPackage'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.example.myapp"
        minSdkVersion 21
        targetSdkVersion 28
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        multiDexEnabled true
    }

    buildTypes {
        release {
            // TODO: Add your own signing config for the release build.
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig signingConfigs.debug
        }
    }
}

flutter {
    source '../..'
}

dependencies {
    androidTestImplementation 'androidx.test:runner:1.1.2-alpha04'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
    implementation 'androidx.multidex:multidex:2.0.1'
}
apply plugin: 'com.google.gms.google-services'

gladle.properties

org.gradle.jvmargs=-Xmx1536M
android.useAndroidX=true
android.enableJetifier=true

pubspec.yaml:

dependencies:
  flutter:
    sdk: flutter
  firebase_auth: ^0.8.1+4
  flutter_redux: ^0.5.3
  meta: ^1.1.6
  redux: ^3.0.0
  flutter_markdown: ^0.2.0
  google_sign_in: ^4.0.1+1
  flutter_facebook_login: ^2.0.0
  cloud_firestore: ^0.9.5+2
  flutter_range_slider: ^1.1.0
  just_debounce_it: ^2.1.0
  camera: ^0.4.2
  image_picker: ^0.5.0+6
  firebase_storage: ^2.1.0+1
  transparent_image: ^0.1.0
  share_extend: ^1.0.4
  http: ^0.12.0+1
  flutter_native_image:
    git: https://github.com/btastic/flutter_native_image.git
  intl: ^0.15.7
  badges: ^0.0.6
  url_launcher: ^5.0.1
  geolocator: ^3.0.1
  geoflutterfire: ^2.0.3+2
  redux_persist_flutter: ^0.8.1

感谢@Xuzan,我看到他可以编译项目,帮助我解决问题:)

【讨论】:

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