title: Get ERROR - Missing google_app_id, Firebase Analytics disabled
body: <p>While using google analytics with flutter, Get </p>
  
  <blockquote>
    <p>Missing google_app_id. Firebase Analytics disabled. See "<a href="https://goo" rel="noreferrer">https://goo</a>
    .gl/NAOOOI"</p>
  </blockquote>
  
  <p>I tried many things but this issue is not gone. I used </p>
  
  <pre><code>"apply plugin: 'com.google.gms.google-services'"
  </code></pre>
  
  <p>in my android.build.gradle file also.</p>