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I receive error for 'import com.firebase.client.Firebase;' on Android

I am working on a project using Firebase, but after updating the versions, I receive an error for 'import com.firebase.client.Firebase;'.
I cleaned the project, rebuilt, and deleted from local and imported from github where I stored the information.
Here is my build.gradle
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.0.0'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
classpath 'com.google.gms:google-services:3.1.0'
}
}
allprojects {
repositories {
jcenter()
maven {url 'https://jitpack.io'}
maven {url 'https://maven.google.com'}
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
and here is my build.gradle(Module:app)
apply plugin: 'com.android.application'
android {
compileSdkVersion 26
buildToolsVersion '26.0.2'
defaultConfig {
applicationId "com.example.android"
minSdkVersion 19
targetSdkVersion 26
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
packagingOptions {
exclude 'META-INF/LICENSE'
exclude 'META-INF/LICENSE-FIREBASE.txt'
exclude 'META-INF/NOTICE'
}
}
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-annotations'
})
compile 'com.android.support:appcompat-v7:26.+'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
compile 'com.android.support:design:26.0.0-alpha1'
compile 'com.android.support:support-v4:26.0.0-alpha1'
compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'
compile 'com.android.support:cardview-v7:26.0.0-alpha1'
compile 'com.google.android.gms:play-services-maps:11.0.4'
compile 'com.google.maps.android:android-maps-utils:0.4.+'
compile 'com.google.firebase:firebase-core:11.0.4'
compile 'com.google.firebase:firebase-database:11.0.4'
compile 'com.google.firebase:firebase-auth:11.0.4'
compile 'com.google.firebase:firebase-storage:11.0.4'
compile 'com.google.code.gson:gson:2.2.4'
compile 'com.google.zxing:core:3.2.1'
compile 'de.hdodenhof:circleimageview:2.1.0'
compile 'com.github.wdullaer:MaterialDateTimePicker:v3.0.0'
compile 'com.journeyapps:zxing-android-embedded:3.2.0#aar'
testCompile 'junit:junit:4.12'
}
apply plugin: 'com.google.gms.google-services'
here is an error I have
screenshot of error

try following to adding this line in gradle file.
compile 'com.firebase:firebase-client-android:2.5.0'

com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: com/google/android/gms/auth/api/signin/zzc.class

My app is running on an android device . It is showing no error while building the app .However , it gives an exception when i am trying to build an APK for the app .
This is my app.gradle file:
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "25.0.2"
defaultConfig {
applicationId "com.example.delluser.oshoguide"
minSdkVersion 17
targetSdkVersion 25
versionCode 1
versionName "1.0"
multiDexEnabled true
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
packagingOptions
{
exclude 'META-INF/notice'
exclude 'META-INF/notice.txt'
exclude 'META-INF/license'
exclude 'META-INF/license.txt'
}
}
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-annotations'
})
compile 'com.android.support:appcompat-v7:25.3.1'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
compile 'com.google.firebase:firebase-crash:10.2.1'
compile 'com.google.firebase:firebase-auth:10.2.1'
compile 'com.google.firebase:firebase-database:10.2.1'
compile 'com.google.firebase:firebase-messaging:10.2.1'
compile 'com.google.firebase:firebase-storage:10.2.1'
compile 'com.firebase:firebase-client-android:2.3.1'
compile 'com.firebaseui:firebase-ui:0.6.2'
compile 'com.android.support:multidex:1.0.0'
compile 'com.android.support:design:25.3.1'
compile 'com.android.support:recyclerview-v7:25.3.1'
testCompile 'junit:junit:4.12'
}
apply plugin: 'com.google.gms.google-services'
And this is my build.gradle file:
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.3.3'
classpath 'com.google.gms:google-services:3.1.0'
// 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
}
I have already tried changing the version of firebase libraries from 11.0.1 to 10.2.1 , but it did not work. I have done Clean and Rebuild . However , i am getting the same error.
My Error is:
Error:Execution failed for task ':app:transformClassesWithJarMergingForDebug'.
> com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: com/google/android/gms/auth/api/signin/internal/zzf.class

did u try to refresh your project?(in android studio) if not check right hand side there is gradle option open it and select the first option(refresh all projects).

Firebase Android Studio (2.2.3) issue

I am facing a problem to compile Firebase in my android project.Here is my app level gradle:
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "24.0.3"
defaultConfig {
applicationId "<my_app_id>"
minSdkVersion 15
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-annotations'
})
compile 'com.android.support:appcompat-v7:25.1.0'
compile 'com.android.support:support-v4:25.1.0'
compile 'com.google.android.gms:play-services-auth:10.0.1'
compile 'com.android.support:design:23.0.1'
compile 'com.github.bumptech.glide:glide:3.7.0'
compile 'me.relex:circleindicator:1.2.2#aar'
compile 'com.android.support:recyclerview-v7:25.1.0'
compile 'com.google.firebase:firebase-core:10.2.1'
testCompile 'junit:junit:4.12'
}
apply plugin: 'com.google.gms.google-services'
And here is the build gradle:
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.3'
classpath 'com.google.gms:google-services:3.0.0'
// 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
}
I am getting an error of Failed to resolve : com.google.firebase:firebase-core:10.2.1

If you are using android studio,
Goto tools -> Firebase
And follow on screen instructions. Android studio take care of the dependency issues.

Change
compile 'com.google.android.gms:play-services-auth:10.2.1'
to
compile 'com.google.android.gms:play-services-auth:10.0.1'
It works for me.

update your play service version and also update firebase dependency version.

duplicate entry: com/google/common/collect/package-info.class in android

surprisingly i am facing a error of duplicate entry after i upate my android studio 2.2.1 to 2.2.2. i have searched in google but there is no similar solution.
this is error:
Error:Execution failed for task ':app:transformClassesWithJarMergingForDebug'.
> com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: com/google/common/collect/package-info.class
build.gradle(module:app):
android {
compileSdkVersion 23
buildToolsVersion "23.0.2"
defaultConfig {
applicationId "com.systechdigital.webadeal"
minSdkVersion 17
targetSdkVersion 23
versionCode 1
versionName "1.0"
multiDexEnabled true
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
packagingOptions {
exclude 'META-INF/LICENSE'
exclude 'META-INF/LICENSE-FIREBASE.txt'
exclude 'META-INF/NOTICE'
}
configurations {
compile.exclude group: "org.apache.httpcomponents", module: "httpclient"
}
}
dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
compile 'com.android.support:appcompat-v7:24.0.0-beta1'
compile 'com.android.support:design:24.0.0-beta1'
compile 'com.google.android.gms:play-services-auth:10.0.0'
compile 'com.google.android.gms:play-services:10.0.0'
compile 'com.mcxiaoke.volley:library-aar:1.0.0'
compile 'com.squareup.picasso:picasso:2.5.2'
compile 'com.facebook.android:facebook-android-sdk:[4,5)'
compile 'com.github.delight-im:Android-AdvancedWebView:v3.0.0'
compile 'com.android.support:multidex:1.0.1'
compile 'com.google.gdata:core:1.47.1'
compile 'com.survivingwithandroid:weatherlib_okhttpclient:1.6.0'
compile 'com.google.api-client:google-api-client:1.20.0'
}
apply plugin: 'com.google.gms.google-services'
build.gradle:
buildscript {
repositories {
jcenter()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.2'
classpath 'com.google.gms:google-services:3.0.0'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
jcenter()
maven { url "https://jitpack.io" }
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
how to solve this. i googled a lot but no similar error or solution i found

I guess your volley:library is old ,That's why problem .Use latest version .
Step 1
compile 'com.mcxiaoke.volley:library:1.0.19'
Step 2
Downgrade version com.google.android.gms:play
compile 'com.google.android.gms:play-services:9.2.1' //9.6.1
compile 'com.google.android.gms:play-services-auth:9.2.1' //9.6.1
Finally Clean-Rebuild Your Project .
FYI
Downgrade is not good practice . You can change your buildToolsVersion if you want to use com.google.android.gms:play-services:10.0.0
compileSdkVersion 25
buildToolsVersion "25.0.1"

Cannot get android-apt working

Twice already I've tried to get android-apt to work, because it's required by the 3rd-party libraries I wanted to use (AndroidAnnotations and PermissionsDispatcher), and both times I bashed my head against the wall until I got tired of hearing the squishing sound.
The problem? Android Studio simply fails to find or fetch the dependencies:
Error:Could not find com.neenbedankt.gradle:plugins:android-apt.
Searched in the following locations:
file:/Applications/Android Studio.app/Contents/gradle/m2repository/com/neenbedankt/gradle/plugins/android-apt/plugins-android-apt.pom
file:/Applications/Android Studio.app/Contents/gradle/m2repository/com/neenbedankt/gradle/plugins/android-apt/plugins-android-apt-1.8.jar
https://jcenter.bintray.com/com/neenbedankt/gradle/plugins/android-apt/plugins-android-apt.pom
https://jcenter.bintray.com/com/neenbedankt/gradle/plugins/android-apt/plugins-android-apt-1.8.jar
https://repo1.maven.org/maven2/com/neenbedankt/gradle/plugins/android-apt/plugins-android-apt.pom
https://repo1.maven.org/maven2/com/neenbedankt/gradle/plugins/android-apt/plugins-android-apt-1.8.jar
Required by:
:MaterialQuoter:unspecified
I'm probably making some sort of ridiculous mistake (I mean, those libraries would not see any use otherwise, right?), but I can't see what I'm doing wrong.
I'm running Android Studio 1.4, in case it's somehow relevant.
This is the gradle file for the project:
buildscript {
repositories {
jcenter()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:1.3.0'
classpath 'com.neenbedankt.gradle:plugins:android-apt:1.8'
}
}
allprojects {
repositories {
jcenter()
mavenCentral()
mavenLocal()
}
}
apply plugin: 'com.android.application'
apply plugin: 'com.neenbedankt.android-apt'
dependencies {
compile 'com.github.hotchemi:permissionsdispatcher:1.2.1'
apt 'com.github.hotchemi:permissionsdispatcher-processor:1.2.1'
}
This is the gradle file for the module I'm mostly working on:
apply plugin: 'com.android.application'
android {
compileSdkVersion 23
buildToolsVersion "23.0.1"
defaultConfig {
applicationId "com.callisto.materialquoter"
multiDexEnabled true
minSdkVersion 21
targetSdkVersion 23
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
packagingOptions {
exclude 'META-INF/license.txt'
exclude 'META-INF/LICENSE'
exclude 'META-INF/notice.txt'
exclude 'META-INF/NOTICE'
exclude 'META-INF/ASL2.0'
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile group: 'org.apache.httpcomponents' , name: 'httpclient-android' , version: '4.3.5.1'
compile 'com.android.support:appcompat-v7:23.0.1'
compile 'com.android.support:recyclerview-v7:23.0.1'
compile 'com.android.support:cardview-v7:23.0.1'
compile 'com.android.support:design:23.0.1'
compile 'com.google.code.findbugs:jsr305:1.3.9'
compile 'com.google.android.gms:play-services:8.1.0'
compile 'com.github.hotchemi:permissionsdispatcher:1.2.1'
compile 'org.roboguice:roboguice:3.+'
provided 'org.roboguice:roboblender:3.+'
compile 'org.codepond:wizardroid:1.3.0'
compile ('com.octo.android.robospice:robospice:1.4.14') {
exclude group: 'org.apache.commons', module: 'commons-io'
}
compile ('com.octo.android.robospice:robospice-cache:1.4.14') {
exclude group: 'org.apache.commons', module: 'commons-io'
}
compile ('com.octo.android.robospice:robospice-spring-android:1.4.14') {
exclude group: 'org.apache.commons', module: 'commons-io'
}
compile 'org.codehaus.jackson:jackson-mapper-asl:1.9.13'
compile 'de.greenrobot:greendao:2.0.0'
}

I had the same problem. This helped me to figure it out.
On the app module itself, add these lines (order is important):
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
}
}
apply plugin: 'com.android.application'
apply plugin: 'android-apt'
dependencies {
compile 'com.github.hotchemi:permissionsdispatcher:1.2.1#aar'
apt 'com.github.hotchemi:permissionsdispatcher-processor:1.2.1'
}

As of the Android Gradle plugin version 2.2, all functionality that was previously provided by android-apt is now available in the Android plugin. This means that android-apt is officially obsolete ;)
Thus,
Make sure you've updated your Gradle plugin to be >= 2.2
Instead of apt use annotationProcessor
Ref: https://bitbucket.org/hvisser/android-apt/wiki/Migration

I figured this way on Android Studio 2.2.1:
This lets me use Butterknife on the main project and also on the library at the same time.
Please note that, on the library, use R2.id.blah instead of R.id.blah when using Butterknife annotations.
Hope works for all.
Also check this link
1) project gradle file:
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.1'
classpath 'com.jakewharton:butterknife-gradle-plugin:8.4.0'
// 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
}
2) app graddle file
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "25.0.0"
defaultConfig {
minSdkVersion 21
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
...
}
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-annotations'
})
testCompile 'junit:junit:4.12'
...
//Butterknife https://github.com/JakeWharton/butterknife#library-projects
compile 'com.jakewharton:butterknife:8.4.0'
annotationProcessor 'com.jakewharton:butterknife-compiler:8.4.0'
...
}
3) library graddle file
apply plugin: 'com.android.library'
apply plugin: 'com.jakewharton.butterknife'
android {
compileSdkVersion 24
buildToolsVersion "25.0.0"
defaultConfig {
minSdkVersion 21
targetSdkVersion 24
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(include: ['*.jar'], dir: 'libs')
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
//Butterknife
compile 'com.jakewharton:butterknife-annotations:8.4.0'
compile 'com.jakewharton:butterknife:8.4.0'
...
}