====[https://firebase.flutter.dev/docs/installation/android Android]====
----
=====build.gradle=====
-----
*android/build.gradle
<pre>
buildscript {
dependencies {
// ... other dependencies
classpath 'com.google.gms:google-services:4.3.8'
}
}
</pre>
*android/app/build.gradle
<pre>
apply plugin: 'com.google.gms.google-services'
</pre>
====="google-services.json" file to the project?=====
----