/
topAppBar.kt
172 lines (159 loc) · 5.17 KB
/
topAppBar.kt
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package co.joebirch.composeplayground.material
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.material.*
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.ArrowBack
import androidx.compose.runtime.Composable
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.unit.dp
import co.joebirch.composeplayground.ComposableLayout
object TopAppBarView : ComposableLayout {
@Composable
override fun build() {
val selectedLayout = remember { mutableStateOf(0) }
Column(
modifier = Modifier.fillMaxSize(),
verticalArrangement = Arrangement.SpaceEvenly,
horizontalAlignment = Alignment.CenterHorizontally
) {
when (selectedLayout.value) {
0 -> MinimalTopAppBar {
Column(
modifier = Modifier.fillMaxSize(),
verticalArrangement = Arrangement.Center
) {
Button(onClick = {
selectedLayout.value = 1
}, modifier = Modifier.align(Alignment.CenterHorizontally)) {
Text(text = "Switch to Navigation Icon")
}
}
}
1 -> NavigationIconTopAppBar {
Column(
modifier = Modifier.fillMaxSize(),
verticalArrangement = Arrangement.Center
) {
Button(onClick = {
selectedLayout.value = 2
}, modifier = Modifier.align(Alignment.CenterHorizontally)) {
Text(text = "Switch to styled TopAppBar")
}
}
}
/*
2 -> StyledTopAppBar {
Column(modifier = Modifier.fillMaxSize(),
verticalArrangement = Arrangement.Center) {
Button(onClick = {
selectedLayout.value = 3
}, modifier = Modifier.align(Alignment.CenterHorizontally)) {
Text(text = "Switch to Actions TopAppBar")
}
}
}
*/
3 -> ActionsTopAppBar {
Column(
modifier = Modifier.fillMaxSize(),
verticalArrangement = Arrangement.Center
) {
Button(onClick = {
selectedLayout.value = 0
}, modifier = Modifier.align(Alignment.CenterHorizontally)) {
Text(text = "Switch to Minimal TopAppBar")
}
}
}
}
}
}
}
@Composable
fun MinimalTopAppBar(bodyContent: @Composable() () -> Unit) {
TopAppBar(
title = {
Text(text = "Compose Academy")
}
)
}
@Composable
fun MinimalFlexibleTopAppBar(bodyContent: @Composable() () -> Unit) {
TopAppBar {
Text(text = "Compose Academy")
}
}
@Composable
fun NavigationIconTopAppBar(bodyContent: @Composable() () -> Unit) {
Scaffold(topBar = {
TopAppBar(
title = {
Text(text = "Jetpack Compose")
},
navigationIcon = {
IconButton(onClick = { }) {
Icon(
Icons.Filled.ArrowBack,
contentDescription = "Back arrow"
)
}
}
)
}, content = {
bodyContent()
})
}
@Composable
fun ElevationTopAppBar(bodyContent: @Composable() () -> Unit) {
TopAppBar(
title = {
Text(text = "Jetpack Compose")
},
elevation = 12.dp
)
}
@Composable
fun BackgroundColorTopAppBar(bodyContent: @Composable() () -> Unit) {
TopAppBar(
title = {
Text(text = "Jetpack Compose")
},
backgroundColor = Color.Black
)
}
@Composable
fun ContentColorTopAppBar(bodyContent: @Composable() () -> Unit) {
TopAppBar(
title = {
Text(text = "Jetpack Compose")
},
contentColor = Color.Black
)
}
@Composable
fun ActionsTopAppBar(bodyContent: @Composable() () -> Unit) {
Scaffold(topBar = {
TopAppBar(
title = {
Text(text = "Compose Academy")
},
actions = {
Text(
text = "Save", modifier = Modifier.padding(16.dp).clickable(onClick = {
}),
color = Color.White
)
}
)
}, content = {
bodyContent()
})
}