title: How can I to load and query local json data in Flutter Mobile App
body: <p>Here is my <strong>key:value</strong> paired local json. I need to load and later I need to use for query.
  So, how can I to load and query local json data in Flutter Mobile App?</p>
  
  <pre><code>{
    "currency.01": "United State USD",
    "currency.17": "British Pound GBP",
    "currency.33": "Euro EUR",
  }
  </code></pre>