对于以XML声明的视图,我们可以使用SpannableStringBuilder
(如这里提到的https://stackoverflow.com/a/4897412/9715339)为部分字符串着色。
但使用JetPack composetext
时,我无法仅使用单个text
实现相同的功能。
我想要这样的东西。
因为你可以看到只有“注册”的文本有不同的颜色,而且我想使它可以点击。
这就是我的文本代码现在的样子
Text(text = "Don't have an account? Sign Up",
modifier = Modifier.align(Alignment.BottomCenter),
style = MaterialTheme.typography.h6,
color = MaterialTheme.colors.secondary,
)
这在喷气机组合中是可能的吗?
因此,借助@commonsware的注释和本文档https://developer.android.com/jetpack/compose/text#click-with-annotation
我使用AnnotatedString
&ClickableText
创建了相同的代码。注释内联添加,供任何人理解。
@Composable
fun AnnotatedClickableText() {
val annotatedText = buildAnnotatedString {
//append your initial text
withStyle(
style = SpanStyle(
color = Color.Gray,
)
) {
append("Don't have an account? ")
}
//Start of the pushing annotation which you want to color and make them clickable later
pushStringAnnotation(
tag = "SignUp",// provide tag which will then be provided when you click the text
annotation = "SignUp"
)
//add text with your different color/style
withStyle(
style = SpanStyle(
color = Color.Red,
)
) {
append("Sign Up")
}
// when pop is called it means the end of annotation with current tag
pop()
}
ClickableText(
text = annotatedText,
onClick = { offset ->
annotatedText.getStringAnnotations(
tag = "SignUp",// tag which you used in the buildAnnotatedString
start = offset,
end = offset
)[0].let { annotation ->
//do your stuff when it gets clicked
Log.d("Clicked", annotation.item)
}
}
)
}