CODEWITHSUNDEEP
androidfirebase
user9646810
user9646810

Reputation: 217

Failed to resolve: com.google.firebase:firebase-core:15.0.0

I have a strange issue when integrate firebase:

enter image description here

Upvotes: 19

Views: 30695

Answers (6)

Subin Babu
Subin Babu

Reputation: 1545

Remove the 

implementation 'com.google.firebase:firebase-database:16.0.1:15.0.0'

and add only 

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

Because 16.0.1 is added by our self and while after that we connect firebase using the plugin in the studio, it adds a new lib file with 15.0.0. So that's not required.

Upvotes: 12

gerzson
gerzson

Reputation: 1

Updated all the dependencies to 

dependencies {
  implementation "com.google.android.gms:play-services-base:16.0.1"
  implementation 'com.google.android.gms:play-services-maps:16.0.0'
  implementation 'com.google.android.gms:play-services-location:16.0.0'
  implementation fileTree(dir: 'libs', include: ['*.jar'])
  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:16.0.6'
  implementation 'com.google.firebase:firebase-auth:16.0.1'
  implementation 'com.google.firebase:firebase-database:16.0.5'
}

then build -> clean project, build -> rebuild project and is working

Upvotes: 0

Vishnu Das H
Vishnu Das H

Reputation: 1

after 

implementation com.google.firebase:firebase-database:16.0.1
kapt 'com.google.firebase:firebase-database:16.0.1:15.0.0'

add the kapt, it fixed for me

Upvotes: 0

Febin Mathew
Febin Mathew

Reputation: 1021

Step 1 :

In your root build.gradle file add the repo:

allprojects {
  repositories {
   google()
   maven { url "https://maven.google.com" }
 }
}

Now Sync Gradle. This is the directory that contains the repos of Firebase.

Step 2 :(if step 1 doesn't works)

If the Step 1 doesn't works, then it should be because you are using the Gradle in offline mode. If your gradle is set to offline, android studio searches for the cached copies of the dependencies that you want to update and throws an error since it hasn't downloaded the file before.

Go to Settings >> Build, Execution, Deployment >> Gradle.
In the Global Gradle Settings section, disable Offline mode.

Now Sync Gradle again.

Upvotes: 4

Csaba Csák
Csaba Csák

Reputation: 33

Use implementation com.google.firebase:firebase-database:16.0.1 as many wrote before. But also add the line: kapt com.google.firebase:firebase-database:16.0.1:15.0.0 this way firebase keep "Dependencies set up correctly".

Upvotes: 1

Guy4444
Guy4444

Reputation: 1649

if you integrate firebase automatically from tools, The new version of android studio have strange bug, the software inserts 

    implementation 'com.google.firebase:firebase-database:16.0.1:15.0.0'

instead of

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

fix this line (remove numbers after last ':')

enter image description here

Upvotes: 61

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