title: How to add metadata dynamically (Not in manifest but inside code)?
body: <p>I want to set app meta data using code. Is it possible in Android ?
  Trying to set Facebook app id into code not inside manifest. </p>
  
  <pre><code>meta-data android:name="com.facebook.sdk.ApplicationId"android:value="@string/applicationId" 
  </code></pre>
  
  <p>Please help me.</p>