我的一个视图中有一个BasicTextField
。默认情况下,我显示的是软键盘,当我开始在键盘上键入字母时,BasicTextField
中不会显示任何内容,因为它没有光标。
为了使我的键盘操作可见,我必须点击TextField,使光标可见。现在,当我敲击键盘时,我会在BasicTextField
中看到结果。
如何打开带有活动闪烁光标的BasicTextField?
编辑:这里提出的解决方案对我不起作用
val focusRequester = FocusRequester()
val keyboardController = LocalSoftwareKeyboardController.current
//..
.focusRequester(focusRequester)
.onFocusChanged {
if (it.isFocused) {
keyboardController?.show()
}
}
既没有激活光标,也没有显示键盘。除了
DisposableEffect(Unit) {
focusRequester.requestFocus()
onDispose { }
}
导致崩溃:
java.lang.IollegalStateException:FocusRequester未初始化。以下是一些可能的修复方法:
1. Remember the FocusRequester: val focusRequester = remember { FocusRequester() } 2. Did you forget to add a Modifier.focusRequester() ? 3. Are you attempting to request focus during composition? Focus requests should be made in response to some event. Eg Modifier.clickable { focusRequester.requestFocus() } at androidx.compose.ui.focus.FocusRequester.requestFocus(FocusRequester.kt:54)
我开始工作了:
val focusRequester = FocusRequester()
//..
.focusRequester(focusRequester)
而不是
DisposableEffect(Unit) {
focusRequester.requestFocus()
onDispose { }
}
我使用
LaunchedEffect(Unit) {
focusRequester.requestFocus()
}