To automatically focus on a text field upon navigation to a composable in Jetpack Compose, you can use the onCommit
parameter of the TextField
composable.
Here's an example:
@Composable
fun MyScreen() {
val focusRequester = remember { FocusRequester() }
Column(
Modifier
.fillMaxSize()
.focusRequester(focusRequester)
) {
// Other composable elements
TextField(
value = /* your text state value */,
onValueChange = /* your text state update logic */,
modifier = Modifier
.focusRequester(focusRequester)
.onFocusEvent { focusState ->
if (focusState.hasFocus) {
// TODO: handle keyboard visibility if needed
}
}
.onCommit {
// Automatically request focus when the keyboard is opened
focusRequester.requestFocus()
}
)
}
}
In this example, we first create a focusRequester
using the remember
function to ensure it retains its state across recompositions. We then apply this focus requester to both the parent Column
and the TextField
modifier.
The TextField
composable also includes an onFocusEvent
parameter, which we use here to detect when the field receives focus, and handle any necessary keyboard visibility adjustments. Finally, we use the onCommit
parameter to automatically request focus when the keyboard is opened.
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Asked: 2023-05-27 03:16:26 +0000
Seen: 8 times
Last updated: May 27 '23
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