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Intellij android project unable to launch with databinding enabled

I was following the android lessons on codelabs and they were introducing databinding. According to the code, all i needed to do was to enable databinding within the build.gradle file as below:
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
android {
compileSdkVersion 29
buildToolsVersion "29.0.2"
defaultConfig {
applicationId "com.example.lesson4"
minSdkVersion 18
targetSdkVersion 29
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
dataBinding {
enabled = true
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'androidx.appcompat:appcompat:1.1.0'
implementation 'androidx.core:core-ktx:1.1.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test:runner:1.2.0'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
}
However, the project fails to build into the emulator, and I am presented with the error code: Unable to load class 'javax.xml.bind.JAXBException'.
I also went further to amend the XML file of activity_main to wrap the ConstraintLayout within a Layout tag, but I think the error is somewhere within the gradle build portion instead.
I have tried various methods, such as apply plugin: 'kotlin-kapt' as well as including the kotlin dependencies, but the same error still persist.
I have also tried cleaning the project and rebuilding it.
I have also tried creating a brand new project, and only enabling databinding... The same error persists.
Hope someone can enlighten me about how to get databinding working in intellij for android?

Upon some research I have found that data binding will throw errors while using Java 9+.
All you have to do is set your Java to version 8 and it should work.
I don't want to use Java 8
Then you have to manually add the JAX-B dependencies
kapt "com.sun.xml.bind:jaxb-core:2.3.0.1"
kapt "javax.xml.bind:jaxb-api:2.3.1"
kapt "com.sun.xml.bind:jaxb-impl:2.3.2"
annotationProcessor "com.sun.xml.bind:jaxb-core:2.3.0.1"
annotationProcessor "javax.xml.bind:jaxb-api:2.3.1"
And apply the kotlin-kapt plugin with:
apply plugin: 'kotlin-kapt'

how to solve the problem of "Inconsistencies in the existing project dependencies found"?

I am learning to write android apps by watching some tutorials on youtube. I follow the tutorials and try to add the recyclerview in the xml file. When I click the download button next to the recyclerview, the following message is shown:
"This operation requires the library androidx.recyclerview:recyclerview:+.
Problem: Inconsistencies in the existing project dependencies found.
Version incompatibility between:
- androidx.appcompat:appcompat:1.1.0#aar
and:
- androidx.core:core-ktx:1.1.0#aar
With the dependency:
- androidx.annotation::1.1.0
versus:
- androidx.annotation::2.0.0
The project may not compile after adding this library.
Would you like to add it anyway?"
If I choose OK and go ahead, the preview screen becomes grey.
What should I do to solve the problem?
The same problem occurs when I want to add the cardview in the xml file.
thanks in advance!!!!
The build.gradle is below:
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
android {
compileSdkVersion 29
buildToolsVersion "29.0.2"
defaultConfig {
applicationId "com.smartherd.msgshareapp"
minSdkVersion 21
targetSdkVersion 29
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'androidx.appcompat:appcompat:1.1.0'
implementation 'androidx.core:core-ktx:1.1.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test.ext:junit:1.1.0'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
}

Just build the project again and manually refresh the layout. :)

Cannot resolve import android.support.v7.widget.RecyclerView; [duplicate]

This question already has answers here:
Android Studio keeps refusing to resolve com.android.support:appcompat-v7:29.0.1
(6 answers)
Closed 3 years ago.
I need to create a recyclerview in Android Studio. I don't know why it keeps saying that it cannot resolve symbol recyclerview. I have done all the step according to those website tutorial.
My app gradle file:
apply plugin: 'com.android.application'
apply plugin: 'com.google.gms.google-services'
android {
compileSdkVersion 29
buildToolsVersion "29.0.0"
defaultConfig {
applicationId "com.example.myapplication"
minSdkVersion 17
targetSdkVersion 29
versionCode 1
versionName "1.0"
multiDexEnabled true
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
gradle.projectsEvaluated {
tasks.withType(JavaCompile) {
options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
}
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.google.firebase:firebase-core:17.0.0'
implementation 'androidx.appcompat:appcompat:1.0.2'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
implementation 'com.android.support:appcompat-v7:29.1.1'
//card view
implementation 'com.android.support:cardview-v7:29.1.1'
//recyclerView
implementation 'com.android.support:recyclerview-v7:29.1.1'
//picasso library to retrive images
implementation 'com.squareup.picasso:picasso:2.71828'
implementation 'com.google.firebase:firebase-storage:18.0.0'
implementation 'com.google.firebase:firebase-auth:18.0.0'
implementation 'com.google.firebase:firebase-database:18.0.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test:runner:1.2.0'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
apply plugin: 'com.google.gms.google-services'
}
May I know what's wrong with my code in the gradle file? Thanks in advance.
Here is my error report in logcat:

you are trying to access the wrong package.
try androidx.recyclerview instead of the legacy android.support.v7.widget.RecyclerView;
you should replace all the com.android.support.* dependencies, and replace with the androidx equivalent. (currently, you have a mix of both androidx and the legacy android.support dependencies)
https://developer.android.com/jetpack/androidx/releases/recyclerview
you can try using the Refactor> Migrate to AndroidX option on Android Studio for the auto fix

replace you recyclerview library with this -> androidx.recyclerview:recyclerview:1.0.0
as you are using the androidx, but your recycler view's library is still in support library format
to get proper migration information do refer to this -> https://developer.android.com/jetpack/androidx/migrate

Can't add specific items to activity_main.xml

Android newbie here. I don't know why but I can't add specific items/elements to the activity_main.xml (NestedScrollView, CardViev, Google MapView, etc). If I try to add, let's say Google MapView, a message appears that says this :
This operation requires the library com.google.android.gms:play-services-maps:+.
Problem: Inconsistencies in the existing project dependencies found.
Version incompatibility between:
- com.google.android.material:material:1.0.0
and:
- androidx.appcompat:appcompat:1.0.0
With the dependency:
- org.mockito:mockito-core:1.9.5
versus:
- org.mockito:mockito-core:2.19.0
The project may not compile after adding this library.
Would you like to add it anyway?.
Does anybody know what seems to be the problem? Build.gradle is displayed below.
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
android {
compileSdkVersion 28
defaultConfig {
applicationId "com.example.myapplication"
minSdkVersion 25
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'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'androidx.appcompat:appcompat:1.0.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test:runner:1.1.0'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
implementation 'com.google.android.material:material:1.0.0'
}

The first of your problems is that you try to use Views, items, constants, etc, of a library that does not exist in your project, with these implementations it is more than enough for you to move forward, the problem with mockito is that you possibly implemented two versions and maybe the first version uses discontinued components, and therefore. Gradle will always look for the latest version, however both libraries need to live together, I recommend that you remove mockito 1.9.5 and try to synchronize again, I hope it was helpful , good luck!
apply plugin: 'com.google.gms.google-services'
dependencies{
implementation 'com.google.android.gms:play-services-cast-framework:10.0.1'
}

Why a new project templates in Android Studio 3.2.1 does not use the AndroidX libraries?

Google says
"We recommend using the AndroidX libraries in all new projects. You
should also consider migrating existing projects to AndroidX as well."
source
but the Android Studio 3.2.1 still creates a new project templates which are supported by the historical "android.support.*" libraries.
Why?
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
android {
compileSdkVersion 28
defaultConfig {
applicationId "com.developer.myapplication"
minSdkVersion 15
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'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.android.support:design:28.0.0'
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
implementation 'com.android.support:support-vector-drawable:28.0.0'
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'
}

Not until Android Studio 3.3 or higher (currently still Preview/Beta).
If you create a new project with it, you'll find this Use AndroidX artifacts option. Then once created, you'll find that the dependencies are defaulted with androidx.*