Sheets
Another feature-rich bottom sheet in Jetpack Compose.
Why this is needed when we already have ModalBottomSheetLayout
and ModalBottomSheet
? See the Comparisons table.
Features
Peek support
BottomSheet(
state = state,
// PeekHeight.px(Int) and PeekHeight.fraction(Float) are supported as well.
peekHeight = PeekHeight.dp(300),
// Set to true to the peeked state, default to false.
skipPeeked = false,
) { ...}
Customizable animations
// Animation off
state.expand(animated = false)
// Default
state.expand(animationSpec = spring())
// Slow animation
state.expand(animationSpec = tween(durationMillis = 2000))
Interceptable state
val state = rememberBottomSheetState(
confirmValueChange = {
if (it == BottomSheetValue.Collapsed) {
// Intercept logic
} else {
true
}
},
)
Whole sheet above the keyboard
May be useful when the bottom sheet contains some text fields.
Please note after setting this, your sheet content be squashed if the bottom sheet is too long, so make your content scrollable by default.
BottomSheet(
state = state,
showAboveKeyboard = true,
) {
TextFieldSheetContent(
modifier = Modifier.verticalScroll(rememberScrollState()),
)
}
Material 2 and Material 3
Migration is simple, just change the imports.
// Material 2:
import com.dokar.sheets.BottomSheet
// Material 3:
import com.dokar.sheets.m3.BottomSheet
Window Controlling
System bar colors and some dialog window properties can be customized by the behaviors
parameter.
BottomSheet(
...
behaviors = BottomSheetDefaults.dialogSheetBehaviors(
dialogSecurePolicy = SecureFlagPolicy.Inherit,
dialogWindowSoftInputMode = WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED,
lightStatusBar = false,
lightNavigationBar = false,
statusBarColor = Color.Transparent,
navigationBarColor: Color = Color.Black,
),
) { ... }
Embedded sheet
To embed the sheet in the current layout hierarchy, use the BottomSheetLayout()
:
Box {
MainContent()
val state = rememberBottomSheetState()
if (state.visible) {
BottomSheetLayout(state = state) {
...
}
}
}
Listenable drag progress
It's useful when syncing some transitions with the drag gesture.
fun Modifier.iosBottomSheetTransitions(
state: BottomSheetState,
statusBarInsets: WindowInsets,
): Modifier = graphicsLayer {
val progress = (state.dragProgress - 0.5f) / 0.5f
if (progress <= 0f) {
return@graphicsLayer
}
val scale = 1f - 0.1f * progress
scaleX = scale
scaleY = scale
val statusBarHeight = statusBarInsets.getTop(this)
val scaledTopSpacing = size.height * 0.1f / 2f
translationY = progress * (statusBarHeight +
16.dp.toPx() - scaledTopSpacing)
clip = true
shape = RoundedCornerShape(progress * 16.dp)
}
Usage
Material 2
implementation("io.github.dokar3:sheets:latest_version")
Material 3
implementation("io.github.dokar3:sheets-m3:latest_version")
Comparisons
Feature\Component | sheets | ModalBottomSheet | ModalBottomSheetLayout |
---|---|---|---|
Material 2 | ✅ | ❌ | ✅ |
Material 3 | ✅ | ✅ | ❌ |
Embedded | ✅ | ❌ | ✅ |
In modal (Dialog) | ✅ | ✅ | ❌ |
Dialog properties | ✅ | ❌ | / |
Drag handle | ✅ | ✅ | ❌ |
Half expanded (Peeked) | ✅ | ✅ | ✅ |
Peek height | ✅ | ❌ | ❌ |
Custom animation spec | ✅ | ❌ | ✅ |
Drag progress | ✅ | ❌ | ✅ |
confirmValueChange | ✅ | ✅ | ✅ |
Dim color (scrim) | ✅ | ✅ | ✅ |
Compose Material is still evolving, so this table may no longer be accurate after some versions.
Contribution
Need some features? Found a bug?
Open an issue, or just create a pull request if you want! This project is open for contributions.
License
Copyright 2022 dokar3
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.