在Android Studio上设置Firebase

Question

I am trying to setup firebase on my android studio.I am using a 2.2.3 version.So this is my code in app.gradle file:

   apply plugin: 'com.android.application'

    android {
        compileSdkVersion 25
        buildToolsVersion "25.0.2"
        defaultConfig {
            applicationId "com.example.parth.carpool"
            minSdkVersion 22
            targetSdkVersion 25
            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-a`enter code here`nnotations'
        })
        compile 'com.android.support:appcompat-v7:25.2.0'
        compile 'com.google.firebase:firebase-core:16.0.1'
        testCompile 'junit:junit:4.12'
    }
    apply plugin: 'com.google.gms.google-services'

This is the error that I am receiving.

Error:(27, 13) Failed to resolve: com.google.firebase:firebase-core:16.0.1

This is my project.gradle file:

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

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.2.3'
        classpath 'com.google.gms:google-services:4.0.0'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        jcenter()
    }
}

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

To correct this error I installed google play services, google repository, SDK platform,SDK platform tools etc. after I saw some of the posts on stackoverflow. Does anybody have a solution?

Answer 1

First you need to upgrade android studio to the newest version:

If you're not using Android Studio 3.1 to develop your app, you will need to upgrade in order to get the correct version checking behavior within the IDE.

https://android-developers.googleblog.com/2018/05/announcing-new-sdk-versioning.html

Then you need to use the following top level gradle file:

buildscript {
 repositories {
      google()
      jcenter()
  }



dependencies {
 classpath 'com.android.tools.build:gradle:3.1.3'
 classpath 'com.google.gms:google-services:4.0.1'
 }
}

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

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

Answer 2

Android Studio provides Awesome tool called Firebase Assistant, it handles any thing you need to setup firebase in you'r project

from Tools->Firebase

just pick which product you want and it'll do all the work for you

Answer 3

Make sure you are connected to a good network

Goto >file -> other settings -> Under build, execution, and deployment -> you will see Gradle. uncheck the checkbox offline work. Then rebuild your project.

 buildscript {
repositories {

    // add google here
    google()
    jcenter()
}
dependencies {
    classpath 'com.android.tools.build:gradle:2.2.3'
    classpath 'com.google.gms:google-services:4.0.0'

}
}

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

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

Answer 4

Did you try on this link

In your root build.gradle file add the repo:

maven { url "https://maven.google.com" }

Answer 5

这取决于您要如何设置，可以尝试设置Firebase的显式方式和隐式方式。最简单的一种是android studio中提供的隐式方式