title: Request Focus on TextField in jetpack compose
body: <p>How to auto focus on textfield in jetpack compose. When i click on textfield and start typing on it. Meantime when i click back button,then when i'm try to click on textfield, nothing happens.</p>
  <pre class="lang-kotlin prettyprint-override"><code>val textState = remember { mutableStateOf(TextFieldValue()) }
  TextField(
      modifier = Modifier.fillMaxWidth(),
      value = textState.value,
      onValueChange = { value : TextFieldValue -&gt;
          textState.value = value
      }
  )
  </code></pre>