/
tabbar.kt
172 lines (160 loc) · 5.04 KB
/
tabbar.kt
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package co.joebirch.composeplayground.material
import androidx.compose.material.Text
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.*
import androidx.compose.material.TabRowDefaults.tabIndicatorOffset
import androidx.compose.runtime.Composable
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.unit.dp
import co.joebirch.composeplayground.ComposableLayout
object TabBarView : ComposableLayout {
@Composable
override fun build() {
Scaffold(topBar = {
TopAppBar(
elevation = 0.dp
) {
Text(
"Jetpack Compose",
modifier = Modifier.padding(16.dp)
)
}
}, content = {
Column(
modifier = Modifier.fillMaxSize(),
verticalArrangement = Arrangement.Top
) {
CustomIndicatorTabRow()
}
})
}
@Composable
fun MinimalTabRow() {
val tabs = listOf("One", "Two")
val selectedTab = remember { mutableStateOf(0) }
TabRow(
selectedTabIndex = selectedTab.value
) {
tabs.forEachIndexed { index, s ->
Tab(
selected = selectedTab.value == index,
onClick = {
selectedTab.value = index
}) {
Text(
text = s,
modifier = Modifier.padding(16.dp)
)
}
}
}
}
@Composable
fun BackgroundColorTabRow() {
val tabs = listOf("One", "Two")
val selectedTab = remember { mutableStateOf(0) }
TabRow(
selectedTabIndex = selectedTab.value,
backgroundColor = Color.Red
) {
tabs.forEachIndexed { index, s ->
Tab(
selected = selectedTab.value == index,
onClick = {
selectedTab.value = index
}) {
Text(
text = s,
modifier = Modifier.padding(16.dp)
)
}
}
}
}
@Composable
fun ContentColorTabRow() {
val tabs = listOf("One", "Two")
val selectedTab = remember { mutableStateOf(0) }
TabRow(
selectedTabIndex = selectedTab.value,
backgroundColor = Color.Blue
) {
tabs.forEachIndexed { index, s ->
Tab(
selected = selectedTab.value == index,
onClick = {
selectedTab.value = index
}) {
Text(
text = s,
modifier = Modifier.padding(16.dp)
)
}
}
}
}
@Composable
fun DividerTabRow() {
val tabs = listOf("One", "Two")
val selectedTab = remember { mutableStateOf(0) }
TabRow(
selectedTabIndex = selectedTab.value,
divider = {
Divider(
modifier = Modifier.height(8.dp)
.fillMaxWidth()
.background(color = Color.Red)
)
}
) {
tabs.forEachIndexed { index, s ->
Tab(
selected = selectedTab.value == index,
onClick = {
selectedTab.value = index
}
)
}
}
}
@Composable
fun CustomIndicatorTabRow() {
val tabs = listOf("One", "Two")
val selectedTab = remember { mutableStateOf(0) }
TabRow(
selectedTabIndex = selectedTab.value,
indicator = { tabPositions: List<TabPosition> ->
val modifier = Modifier.tabIndicatorOffset(
tabPositions[selectedTab.value]
)
Box(
modifier.fillMaxWidth().height(5.dp)
.background(
color = Color.White,
shape = RoundedCornerShape(
topStart = 16.dp, topEnd = 16.dp
)
),
)
}
) {
tabs.forEachIndexed { index, s ->
Tab(
selected = selectedTab.value == index,
onClick = {
selectedTab.value = index
}) {
Text(
text = s,
modifier = Modifier.padding(16.dp)
)
}
}
}
}
}