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Forward UIViewController status bar APIs to ComposeUIViewControllerDelegate #1378
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7146084
Forward status bar APIs and do a minor cleanup
elijah-semyonov bed918a
Suppress warning
elijah-semyonov 4d7e6b4
Clean up a bit
elijah-semyonov 8aa999b
Add example
elijah-semyonov 7abfc5d
Modify example
elijah-semyonov 0e17e74
Modify example
elijah-semyonov 0229d55
Add documentation
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124 changes: 124 additions & 0 deletions
124
compose/mpp/demo/src/uikitMain/kotlin/androidx/compose/mpp/demo/StatusBarState.kt
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/* | ||
* Copyright 2024 The Android Open Source Project | ||
* | ||
* 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. | ||
*/ | ||
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package androidx.compose.mpp.demo | ||
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import androidx.compose.foundation.clickable | ||
import androidx.compose.foundation.layout.Box | ||
import androidx.compose.foundation.layout.Column | ||
import androidx.compose.foundation.layout.fillMaxSize | ||
import androidx.compose.foundation.layout.fillMaxWidth | ||
import androidx.compose.foundation.layout.padding | ||
import androidx.compose.material.DropdownMenu | ||
import androidx.compose.material.DropdownMenuItem | ||
import androidx.compose.material.Text | ||
import androidx.compose.runtime.Composable | ||
import androidx.compose.runtime.LaunchedEffect | ||
import androidx.compose.runtime.derivedStateOf | ||
import androidx.compose.runtime.getValue | ||
import androidx.compose.runtime.mutableStateOf | ||
import androidx.compose.runtime.remember | ||
import androidx.compose.runtime.setValue | ||
import androidx.compose.ui.Modifier | ||
import androidx.compose.ui.interop.LocalUIViewController | ||
import androidx.compose.ui.unit.dp | ||
import platform.UIKit.UIStatusBarAnimation | ||
import platform.UIKit.UIStatusBarStyleDarkContent | ||
import platform.UIKit.UIStatusBarStyleDefault | ||
import platform.UIKit.UIStatusBarStyleLightContent | ||
import platform.UIKit.UIView | ||
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private var statusBarStyleIndex by mutableStateOf(0) | ||
val preferredStatusBarStyleValue by derivedStateOf { styleValues[statusBarStyleIndex].second } | ||
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private var statusBarHiddenIndex by mutableStateOf(0) | ||
val prefersStatusBarHiddenValue by derivedStateOf { hiddenValues[statusBarHiddenIndex].second } | ||
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private var statusBarAnimationIndex by mutableStateOf(0) | ||
val preferredStatysBarAnimationValue by derivedStateOf { animationValues[statusBarAnimationIndex].second } | ||
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private val hiddenValues = listOf( | ||
"null" to null, | ||
"True" to true, | ||
"False" to false | ||
) | ||
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private val animationValues = listOf( | ||
"null" to null, | ||
"UIStatusBarAnimationFade" to UIStatusBarAnimation.UIStatusBarAnimationFade, | ||
"UIStatusBarAnimationSlide" to UIStatusBarAnimation.UIStatusBarAnimationSlide | ||
) | ||
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private val styleValues = listOf( | ||
"null" to null, | ||
"UIStatusBarStyleDefault" to UIStatusBarStyleDefault, | ||
"UIStatusBarStyleLightContent" to UIStatusBarStyleLightContent, | ||
"UIStatusBarStyleDarkContent" to UIStatusBarStyleDarkContent | ||
) | ||
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val StatusBarStateExample = Screen.Example("StatusBarState") { | ||
Column(modifier = Modifier.fillMaxSize()) { | ||
Dropdown("preferredStatusBarStyle", styleValues[statusBarStyleIndex].first, styleValues.map { it.first }) { | ||
statusBarStyleIndex = it | ||
} | ||
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Dropdown("prefersStatusBarHidden", hiddenValues[statusBarHiddenIndex].first, hiddenValues.map { it.first }) { | ||
statusBarHiddenIndex = it | ||
} | ||
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Dropdown("preferredStatysBarAnimation", animationValues[statusBarAnimationIndex].first, animationValues.map { it.first }) { | ||
statusBarAnimationIndex = it | ||
} | ||
} | ||
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val viewController = LocalUIViewController.current | ||
LaunchedEffect(statusBarStyleIndex, statusBarHiddenIndex, statusBarAnimationIndex) { | ||
UIView.animateWithDuration(0.3) { | ||
viewController.setNeedsStatusBarAppearanceUpdate() | ||
} | ||
} | ||
} | ||
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@Composable | ||
private fun Dropdown( | ||
name: String, | ||
current: String, | ||
all: List<String>, | ||
onSelected: (Int) -> Unit | ||
) { | ||
var expanded by remember { mutableStateOf(false) } | ||
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Box(modifier = Modifier | ||
.padding(16.dp) | ||
.fillMaxWidth() | ||
.clickable { expanded = true }) { | ||
Text("$name: $current") | ||
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DropdownMenu( | ||
expanded = expanded, | ||
onDismissRequest = { expanded = false }) { | ||
all.forEachIndexed { index, item -> | ||
DropdownMenuItem( | ||
onClick = { | ||
onSelected(index) | ||
expanded = false | ||
}) { | ||
Text(item) | ||
} | ||
} | ||
} | ||
} | ||
} |
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Just wondering if we can rework code to get rid of this call when changing status bar appearance settigns.
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We could, but I guess people know exactly when they want to do it, and it's a trivial piece of code, so better not lock ourselves into some specific behavior.