无法解决依赖Firebase和Google Play服务

时间:2018-12-20 09:32:17

标签: android firebase android-studio android-gradle

我正在尝试将我的android项目连接到firebase。启动时它也正常工作。我不知道突然之间发生了什么,我遇到了一系列未解决的依赖项。

我已经完成了网上发现的几乎所有步骤。像禁用离线工作一样,使检查/重启无效。即使在创建新项目时,我也面临着同样的问题。早些时候,所有事情都没有发生。

我的应用程序gradle代码是:

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {

    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.2.1'
        classpath 'com.google.gms:google-services:4.0.1'

      }
    }

     allprojects {
       repositories {
        google()
        maven { url "http://jcenter.bintray.com"}
        jcenter()
      }
     }

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

模块的build.gradle

apply plugin: 'com.android.application'

     android {
       compileSdkVersion 28
       defaultConfig {
        applicationId "com.aabsys.metasensing"
        minSdkVersion 21
        targetSdkVersion 28
        versionCode 1
        versionName "2.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}



    dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    //noinspection GradleCompatible
    implementation 'com.android.support:appcompat-v7:28.0.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
    implementation 'com.google.firebase:firebase-core:16.0.1'
    implementation 'com.google.firebase:firebase-messaging:17.3.0'
    implementation 'com.squareup.retrofit2:retrofit:2.4.0'
    implementation 'com.squareup.retrofit2:converter-gson:2.4.0'

    }

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

提前谢谢。Please find image

3 个答案:

答案 0 :(得分:0)

尝试在代码中添加以下依赖项:-

implementation 'com.google.android.gms:play-services:12.0.1'

如果仍然无法解决您的问题,请尝试更新Google Play服务和Google存储库。enter image description here

答案 1 :(得分:0)

尝试更改课程路径

classpath 'com.google.gms:google-services:4.2.0'

答案 2 :(得分:0)

我通过将google服务版本降低到来解决了我的问题:

classpath 'com.google.gms:google-services:4.0.0'

并删除

implementation 'com.google.firebase:firebase-core:16.0.1'