help me!

[zedaoxd]

I'm trying to use this library but I have an error:

Failed to resolve: com.github.ittianyu:BottomNavigationViewEx:2.0.4

Dependencies build.gradle (:app)

dependencies {

implementation 'androidx.appcompat:appcompat:1.4.0'
implementation 'com.google.android.material:material:1.4.0'
implementation 'androidx.constraintlayout:constraintlayout:2.1.2'
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.3'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'

/* Firebase */
implementation platform('com.google.firebase:firebase-bom:29.0.3')
implementation 'com.google.firebase:firebase-analytics'
implementation 'com.google.firebase:firebase-auth'
implementation 'com.google.firebase:firebase-database'
implementation 'com.google.firebase:firebase-storage'

/* Bottom navigation EX */
implementation 'com.github.ittianyu:BottomNavigationViewEx:2.0.4'
implementation "com.android.support:design:28.0.0"

}

Dependencies build.gradle root

buildscript {
repositories {
google()
mavenCentral()
maven { url "https://jitpack.io" }
maven { url "https://maven.google.com" }
}
dependencies {
classpath "com.android.tools.build:gradle:7.0.4"
classpath 'com.google.gms:google-services:4.3.10'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}

if i put allprojects wrong

that way it works in android studio but when i run in the emulator the error