border
語法
border(width = 邊框厚度, color = 顏色)
border(width = 2.dp, color = Color.Red)
Box 與 border

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@Composable
fun testBorder() {
Box(
modifier = Modifier
.size(100.dp)
.border(width = 2.dp, color = Color.Red)
.background(Color.Blue)
) {
Text("Border")
}
}
Text 與 border

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@Composable
fun testBorder() {
Text(
text = "Border",
modifier = Modifier
.border(
width = 1.dp, color = Color.Blue
)
)
}
border 與 形狀
- RoundedCornerShape 四邊圓角
- CircleShape 圓形
- CutCornerShape 菱角
- RectangleShape 長方形

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@Composable
fun testBorder() {
Box(
modifier = Modifier
.size(200.dp)
.border(
width = 4.dp,
color = Color.Red,
shape = RoundedCornerShape(16.dp)
)
.background(Color.Blue)
) {
Text("Test Border", color = Color.White)
}
}
border 與 brush
Prerequisites:
border使用brush參數,要搭配width、shape參數。

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@Composable
fun testBorder() {
Box(
modifier = Modifier
.size(200.dp)
.border(
width = 4.dp,
brush = Brush.linearGradient(
colors = listOf(Color.Yellow, Color.Magenta)
),
shape = RoundedCornerShape(16.dp)
)
.background(Color.Blue)
) {
Text("Test Border", color = Color.White)
}
}
border 與 padding
加上padding,裡面的文字就會放進框線中。

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@Composable
fun testBorder() {
Box(
modifier = Modifier
.size(200.dp)
.border(
width = 4.dp,
brush = Brush.linearGradient(
colors = listOf(Color.Yellow, Color.Magenta)
),
shape = RoundedCornerShape(16.dp)
)
.background(Color.Blue)
.padding(16.dp)
) {
Text("Test Border", color = Color.White)
}
}