title: Where do I put app ID for admob with expo?
body: <p>Where should I put <code>app ID</code> with admob for expo.  I know to put <code>ad unit ID</code> in like this and comment the correct one:</p>
  
  <pre><code>&lt;AdMobBanner
              style={styles.bottomBanner}
              // adUnitID="ca-app-pub-..." //ios
              // adUnitID="ca-app-pub-..." //android /&gt;
  </code></pre>
  
  <p>My question is do I even need the app ID/ if so where would I put it?</p>