小编Shu*_*eth的帖子

我重新安装了android工作室,并在再次打开我的旧项目时显示以下错误:

Error:Failed to resolve: firebase-messaging
<a href="openFile:D:/Android projects/Porject_name/app/build.gradle">Open File</a>

Error:Failed to resolve: common
<a href="openFile:D:/Android projects/Porject_name/app/build.gradle">Open File</a>

build.gradle(Porject)文件:

// Top-level build file where you can add configuration options common to 

all sub-projects/modules.

buildscript {
    repositories {
        jcenter()
        maven {
            url 'https://maven.google.com/'
            name 'Google'
        }
        google()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.3'
        classpath 'com.google.gms:google-services:3.1.0'

    }
}

allprojects {
    repositories {
        jcenter()
        mavenCentral()

        google()


        maven {
            url "https://jitpack.io"
        }

    }
}

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

build.gradle(app)文件:

apply plugin: 'com.android.application'

android …