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no versions of com.onesignal:OneSignal are available grade error

I am getting the following error our of no where
ERROR: Unable to resolve dependency for ':app#debug/compileClasspath': Could not find any matches for com.onesignal:OneSignal:[3.9.1,3.99.99] as no versions of com.onesignal:OneSignal are available.
I can not figure out why this would be happening. Any help would be greatly appreciated.
Here is my entire gradle file.
buildscript {
repositories {
maven { url 'https://plugins.gradle.org/m2/' }
}
dependencies {
classpath 'gradle.plugin.com.onesignal:onesignal-gradle-plugin:[0.11.0, 0.99.99]'
}
}
apply plugin: 'com.onesignal.androidsdk.onesignal-gradle-plugin'
repositories {
maven { url 'https://maven.google.com' }
}
apply plugin: 'com.android.application'
android {
useLibrary 'org.apache.http.legacy'
compileSdkVersion 28
defaultConfig {
applicationId "-----"
minSdkVersion 15
targetSdkVersion 28
versionCode 65
versionName "1.0.65"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
manifestPlaceholders = [
onesignal_app_id: '-----',
onesignal_google_project_number: 'REMOTE'
]
}
buildTypes {
release {
minifyEnabled false
shrinkResources false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
buildToolsVersion '26.0.2'
}
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation 'com.android.support:appcompat-v7:27.1.1'
implementation 'com.android.support:design:27.1.1'
implementation 'com.google.firebase:firebase-core:16.0.1'
implementation 'com.google.android.gms:play-services-ads:15.0.1'
implementation 'com.google.android.gms:play-services-location:15.0.1'
implementation 'com.github.apl-devs:appintro:v4.2.3'
implementation 'com.google.firebase:firebase-messaging:17.0.0'
implementation 'com.google.firebase:firebase-database:16.0.3'
implementation 'com.google.firebase:firebase-auth:16.0.5'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
implementation 'com.android.support:support-v4:26.1.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.1'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
implementation 'com.squareup.picasso:picasso:2.5.2'
implementation 'com.google.android.gms:play-services-ads:11.8.0'
implementation 'com.onesignal:OneSignal:[3.9.1, 3.99.99]'
implementation 'com.android.volley:volley:1.1.1'
implementation 'de.hdodenhof:circleimageview:3.1.0'
compile 'com.google.zxing:core:3.2.1'
compile 'com.journeyapps:zxing-android-embedded:3.2.0#aar'
}
apply plugin: 'com.google.gms.google-services'

I just had this issue too.
I changed version to just 3.1.9 like below and everything worked fine.
I mean like this:
compile 'com.onesignal:OneSignal:3.9.1'

change the line as like this
implementation 'com.onesignal:OneSignal:3.9.1'

for me work also! thanks
INFO: Configuration 'compile' is obsolete and has been replaced with 'implementation' and 'api'.

How to solve unresolved superstypes

I am new to kotlin and I didn't manage to find a direct solution to this issue. I added a fragment class and layout to my project and it started showing this issue during execution.
The error states,
"Supertypes of the following classes cannot be resolved. Please make sure you have the right dependencies in the classpath: class androidx.app.appcompat.app.AppCompatActivty, unresolved supertypes: androidx.core.app.TaskStackBuilder.SupportParentable".
I have attached my gradle file contents.
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android-extensions'
apply plugin: 'kotlin-android'
android {
compileSdkVersion 28
defaultConfig {
applicationId "mapp.com.sg.mappfinalassignment"
minSdkVersion 19
targetSdkVersion 28
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
implementation 'com.android.support:appcompat-v7:28.0.+'
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation 'androidx.appcompat:appcompat:1.0.0-beta01'
implementation 'androidx.constraintlayout:constraintlayout:1.1.2'
implementation 'com.google.android.material:material:1.0.0-beta01'
implementation 'androidx.legacy:legacy-support-v4:1.0.0-beta01'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test:runner:1.1.0-alpha4'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha4'
implementation 'com.android.support:recyclerview-v7:28.+'
implementation 'androidx.recyclerview:recyclerview:1.0.0'
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'com.android.support:cardview-v7:28.0.0'
implementation 'com.squareup.picasso:picasso:2.71828'
implementation 'com.android.support:design:28.0.0'
implementation 'com.android.support:support-fragment:28.0.0'
implementation 'com.google.android:support-v4:r7'
}
repositories {
jcenter()
mavenCentral()
}
How do I get it to run?

You cannot use new AndroidX dependencies with the old ones. You can try to run Refactor > Migrate to AndroidX in your Android studio or convert you dependencies manually. Here is the documentation which will help you.

build.gradle dependencies have same version specification but still shows mixed versions error

I have read the thread at All com.android.support libraries must use the exact same version specification and many other such threads but none of the answers have solved my problem.
Errors:-
1.) For implementation 'com.android.support:appcompat-v7:26.1.0'
All com.android.support libraries must use the exact same version specification (mixing versions can lead to runtime crashes). Found versions 27.1.1, 26.1.0. Examples include com.android.support:animated-vector-drawable:27.1.1 and com.android.support:cardview-v7:26.1.0 less... (Ctrl+F1)
There are some combinations of libraries, or tools and libraries, that are incompatible, or can lead to bugs. One such incompatibility is compiling with a version of the Android support libraries that is not the latest version (or in particular, a version lower than your targetSdkVersion).
2.) on building the project
Error: Program type already present:
android.support.design.widget.CoordinatorLayout$Behavior
build.gradle
apply plugin: 'com.android.application'
android {
compileSdkVersion 26
defaultConfig {
applicationId "freview1.com.freview"
minSdkVersion 21
targetSdkVersion 26
versionCode 2
versionName '2.2.1'
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
//vectorDrawables.useSupportLibrary = true
versionNameSuffix '-alpha'
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
/*
ext {
supportLibVersion = '26.1.0' // variable that can be referenced to keep support libs consistent
}
*/
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:26.1.0'
implementation 'com.android.support:design:26.1.0'
implementation 'com.android.support:percent:26.1.0'
implementation 'com.android.support:support-vector-drawable:26.1.0' // VectorDrawableCompat
implementation 'com.android.support:animated-vector-drawable:26.1.0'
implementation 'de.hdodenhof:circleimageview:2.2.0'
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
implementation 'com.google.firebase:firebase-core:16.0.3'
implementation 'com.google.firebase:firebase-auth:16.0.3'
implementation 'com.google.firebase:firebase-database:16.0.1'
implementation 'com.google.firebase:firebase-storage:16.0.1'
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.android.support:recyclerview-v7:26.1.0'
implementation 'com.android.support:cardview-v7:26.1.0'
implementation 'com.theartofdev.edmodo:android-image-cropper:2.7.+'
implementation 'com.squareup.picasso:picasso:2.5.2'
}
apply plugin: 'com.google.gms.google-services'

if you want add an library to your project , best way is :
in android studio : (from toolbar) file \ Project Structure ... \ (from left window , under modules ) app \ Dependencies \ [use green plus]
for example if you want use compileSdkVersion 27 , your import code should be like this :
apply plugin: 'com.android.application'
android {
compileSdkVersion 27
defaultConfig {
applicationId "your project"
minSdkVersion 16
targetSdkVersion 27
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
vectorDrawables.useSupportLibrary = true
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:27.1.0'
implementation 'com.android.support:support-v4:27.1.0'
implementation 'com.android.support:design:27.1.0'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
implementation 'com.android.support:support-vector-drawable:27.1.0'
implementation 'com.android.support.test.espresso:espresso-core:3.0.2'
implementation 'com.android.support:cardview-v7:27.1.0'
implementation 'com.android.support:recyclerview-v7:27.1.0'
implementation 'com.android.support.test.espresso:espresso-core:3.0.1'
}
It's work for me , and if you want use compileSdkVersion 28 , your import code should be like this :
apply plugin: 'com.android.application'
android {
compileSdkVersion 28
defaultConfig {
applicationId "your project"
minSdkVersion 14
targetSdkVersion 28
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
buildToolsVersion '28.0.3'
}
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation 'junit:junit:4.12'
implementation 'com.android.support:support-v13:28.0.0'
implementation 'com.android.support:support-v4:28.0.0'
implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.android.support.test.espresso:espresso-core:3.0.2'
implementation 'com.android.support.test.espresso:espresso-contrib:3.0.2'
implementation 'com.google.android.gms:play-services-maps:15.0.1'
implementation 'com.android.support:cardview-v7:28.0.0'
implementation 'com.android.support:mediarouter-v7:28.0.0'
implementation 'com.android.support.constraint:constraint-layout:2.0.0-alpha2'
implementation 'com.android.support:recyclerview-v7:28.0.0'
implementation 'com.android.support:support-annotations:28.0.0'
}
It's work for me too .
Many of these problems will disappear with the help of a new library and you will have more efficient classes.
I hope it's work for you .
This version can help you , I test it , it's working :
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation 'com.android.support:appcompat-v7:26.0.0-beta1'
implementation 'com.android.support:support-v4:26.0.0-beta1'
implementation 'com.android.support:design:26.0.0-beta1'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:0.5'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:2.2.2'
implementation 'com.android.support:gridlayout-v7:26.0.0-beta1'
implementation 'com.android.support:recyclerview-v7:26.0.0-beta1'
implementation 'com.android.support:cardview-v7:26.0.0-beta1'
}

Ok , I finally find your solution , Just add this Lines :
repositories {
mavenCentral()
maven { url "https://maven.google.com" }
}
for example :
apply plugin: 'com.android.application'
android {
compileSdkVersion 26
defaultConfig {
applicationId "your app id"
minSdkVersion 14
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'
}
}
}
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation 'com.android.support:appcompat-v7:26.1.0'
implementation 'com.android.support:support-v4:26.1.0'
implementation 'com.android.support:design:26.1.0'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:0.5'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:2.2.2'
implementation 'com.android.support:gridlayout-v7:26.1.0'
implementation 'com.android.support:recyclerview-v7:26.1.0'
implementation 'com.android.support:cardview-v7:26.1.0'
}
repositories {
mavenCentral()
maven { url "https://maven.google.com" }
}

It's mostly happens when you use Libraries that uses old version of AppCompat. It happens to me all the time when I use switchButton library. for last 6 month it didn't impact anything, it's just a false alarm.

Failed in gradle synchronizing

As my gradle file on app level is as:
apply plugin: 'com.android.application'
android {
compileSdkVersion 27
defaultConfig {
applicationId "com.example.developer.pkcaller"
minSdkVersion 21
targetSdkVersion 27
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
android.defaultConfig.javaCompileOptions.annotationProcessorOptions.includeCompileClasspath = true
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
configurations.all {
resolutionStrategy {
force 'com.android.support:support-v4:27.1.0'
}
}
repositories {
mavenCentral()
maven { url 'https://maven.fabric.io/public' }
}
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation 'com.android.support.constraint:constraint-layout:1.1.1'
implementation 'com.google.firebase:firebase-database:16.0.1'
implementation 'com.google.firebase:firebase-core:16.0.1'
implementation 'com.google.firebase:firebase-iid:16.0.0'
implementation 'com.google.firebase:firebase-messaging:17.1.0'
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 files('libs/volley.jar')
implementation 'com.firebaseui:firebase-ui:2.1.0'
implementation 'com.google.firebase:firebase-auth:11.8.0'
implementation 'com.hbb20:ccp:1.7.2'
implementation 'com.facebook.android:facebook-login:[4,5)'
implementation 'com.squareup.picasso:picasso:2.3.2'
implementation 'com.google.android.gms:play-services-analytics:16.0.1'
implementation 'com.google.android.gms:play-services-auth:15.0.1'
implementation 'com.google.android.gms:play-services-plus:15.0.1'
//implementation 'com.google.android.gms:play-services:16.0.0'
implementation 'com.android.support:design:27.1.1'
implementation 'com.android.support:appcompat-v7:27.1.0'
implementation 'com.google.android.gms:play-services:12.0.1'
}
apply plugin: 'com.google.gms.google-services'
com.google.gms.googleservices.GoogleServicesPlugin.config.disableVersionCheck = true
And I got error is as follows:
error: cannot access zzbgl class file for
com.google.android.gms.internal.zzbgl not found
Please help me solve this. I am stuck in this. Please help me regarding I will be highly grateful to you.

unable to merge dex. Tried everything still not working

I have tried with:
1)Clean and rebuild.
2)multiDexEnabled true.
But still the error shown is:Error:Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'.
java.lang.RuntimeException: com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex
Any suggestions how to fix it, please help ?
My app level gradle file:
apply plugin: 'com.android.application'
android {
signingConfigs {
config {
}
}
compileSdkVersion 27
defaultConfig {
applicationId "com.example.hp.facebook_login"
minSdkVersion 19
targetSdkVersion 27
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
multiDexEnabled true
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
debug {
}
}
}
repositories {
mavenCentral()
}
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
//noinspection GradleCompatible
implementation 'com.android.support:appcompat-v7:27.1.1'
implementation 'com.android.support.constraint:constraint-layout:1.1.0'
implementation 'com.facebook.android:account-kit-sdk:4.33.0'
implementation 'de.hdodenhof:circleimageview:2.2.0'
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'
}
My project level gradle file:
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
google()
jcenter()
//for Facebook SDK
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.0.1'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}

Adding these few lines helped remove the error successfully for me :
Here is the new app level gradle file, you can compare and find the changes.
apply plugin: 'com.android.application'
android {
compileSdkVersion 27
defaultConfig {
applicationId "com.example.hp.mkchat"
minSdkVersion 19
targetSdkVersion 27
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'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:27.1.1'
implementation 'com.android.support:design:27.1.1'
implementation 'com.android.support.constraint:constraint-layout:1.1.0'
implementation 'com.google.firebase:firebase-core:11.4.2'
implementation 'com.google.firebase:firebase-auth:11.4.2'
implementation 'com.android.support:support-v4:27.1.1-beta1'
implementation 'com.google.firebase:firebase-database:11.4.2'
implementation 'com.google.firebase:firebase-storage:11.4.2'
implementation 'com.google.firebase:firebase-messaging:11.4.2'
implementation 'de.hdodenhof:circleimageview:2.2.0'
implementation 'com.android.support:multidex:1.0.1'
implementation 'com.squareup.picasso:picasso:2.5.2'
implementation 'com.squareup.okhttp:okhttp:2.5.0'
implementation 'com.firebaseui:firebase-ui-database:3.1.0'
implementation 'id.zelory:compressor:2.1.0'
implementation 'com.theartofdev.edmodo:android-image-cropper:2.6.+'
// ViewModel and LiveData
implementation "android.arch.lifecycle:extensions:1.1.1"
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:0.5'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:2.2.2'
}
apply plugin: 'com.google.gms.google-services'