title: Get the pushed key_id for specific value in firebase android
body: <p>I'm new in firebase using on android. </p>
  
  <p>The data is not getting saved to my firebase database. So I am not able to check whether this key, is the key I want....</p>
  
  <pre><code>String key_ID = mDatabaseRef.child("users").push().getKey();
  mDatabaseRef.child(key_ID).setValue(My_Value_Object);
  </code></pre>