How our project will looks like? Here we go

Step 1:

Create a project and add dependencies in Android Studio.

dependencies {
    implementation 'com.google.firebase:firebase-core:16.0.8'
    implementation 'com.google.firebase:firebase-messaging:17.4.0'
    implementation 'com.google.firebase:firebase-database:16.1.0'
    implementation 'com.google.firebase:firebase-auth:16.2.0'
    implementation 'com.github.joielechong:countrycodepicker:2.1.8'
    implementation 'com.github.GoodieBag:Pinview:v1.3'
}

Step 2:

Step 3:

Step 4:

Step 5: