Get token from user

app/build.gradle

@@ -1,5 +1,6 @@
 plugins {
     id 'com.android.application'
+    id 'com.google.gms.google-services'
 }
 
 android {
@@ -32,6 +33,12 @@ android {
         targetCompatibility JavaVersion.VERSION_1_8
     }
 
+    buildscript {
+        dependencies {
+            classpath 'com.google.gms:google-services:4.3.15'
+        }
+    }
+
 
 }
 
@@ -39,6 +46,7 @@ dependencies {
 
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'com.google.firebase:firebase-auth:21.1.0'
 
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
@@ -63,4 +71,7 @@ dependencies {
     implementation 'com.github.slavce14:SJ-Dialog:1.5'
     implementation 'com.saadahmedev.popup-dialog:popup-dialog:1.0.2'
     implementation 'com.github.gabriel-TheCode:AestheticDialogs:1.3.6'
+
+    //Firebase
+    implementation platform('com.google.firebase:firebase-bom:31.2.3')
 }