java.lang.NullPointerException

[iammannan]

I tried to add to my project. But I can't

[rbri]

Sorry but without some more information i can' help here....

[iammannan]

I tried this library add to my project. Gradle synced successfully but, while build, it says that error.

[iammannan]

dependencies {

//jsoup
//implementation group: 'org.jsoup', name: 'jsoup', version: '1.17.1'
//htmlunit
implementation group: 'org.htmlunit', name: 'htmlunit3-android', version: '3.7.0'
//lottie animation
def lottieVersion = "5.2.0"
implementation "com.airbnb.android:lottie:$lottieVersion"

implementation 'androidx.appcompat:appcompat:1.6.1'
implementation 'com.google.android.material:material:1.11.0'
implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
implementation 'androidx.navigation:navigation-fragment:2.7.6'
implementation 'androidx.navigation:navigation-ui:2.7.6'
testImplementation 'junit:junit:4.13.2'
androidTestImplementation 'androidx.test.ext:junit:1.1.5'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'

}

[iammannan]

Execution failed for task ':app:mergeExtDexDebug'.

Could not resolve all files for configuration ':app:debugRuntimeClasspath'.
Failed to transform commons-text-1.11.0.jar (org.apache.commons:commons-text:1.11.0) to match attributes {artifactType=android-dex, asm-transformed-variant=NONE, dexing-enable-desugaring=true, dexing-enable-jacoco-instrumentation=false, dexing-is-debuggable=true, dexing-min-sdk=28, org.gradle.category=library, org.gradle.libraryelements=jar, org.gradle.status=release, org.gradle.usage=java-runtime}.
> Execution failed for DexingNoClasspathTransform: C:\Users\manna.gradle\caches\modules-2\files-2.1\org.apache.commons\commons-text\1.11.0\2bb044b7717ec2eccaf9ea7769c1509054b50e9a\commons-text-1.11.0.jar.
> Error while dexing.
Failed to transform commons-io-2.15.0.jar (commons-io:commons-io:2.15.0) to match attributes {artifactType=android-dex, asm-transformed-variant=NONE, dexing-enable-desugaring=true, dexing-enable-jacoco-instrumentation=false, dexing-is-debuggable=true, dexing-min-sdk=28, org.gradle.category=library, org.gradle.libraryelements=jar, org.gradle.status=release, org.gradle.usage=java-runtime}.
> Execution failed for DexingNoClasspathTransform: C:\Users\manna.gradle\caches\modules-2\files-2.1\commons-io\commons-io\2.15.0\5c3c2db10f6f797430a7f9c696b4d1273768c924\commons-io-2.15.0.jar.
> Error while dexing.

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[rbri]

Looks like the two libs are not 'compatible' with the android version you are compiling for.
You should be able to overwrite the dependencies for these two to older versions.