title: How to convert base64 into Blob in React Native?
body: <p>I am going to convert b64 to blob in react native.</p>
  
  <p>But I am getting error on atob function.</p>
  
  <p>Here are my codes.</p>
  
  <pre><code>var binary = atob(this.state.avatarSource.uri.split(',')[1]);
  var byteNumbers = new Array(binary.length);
  
  for(var i = 0; i &lt; binary.length; i++) {
    byteNumbers.push(binary.charCodeAt(i));
  }
  var file = new Blob([new Uint8Array(byteNumbers)], {type: 'image/jpeg'});
  </code></pre>
  
  <p>Anybody has any idea?</p>