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Summary: $title Reviewed By: pentiumao Differential Revision: D63276012 fbshipit-source-id: a7820d088a09a36a23f0a1ff5f18c797595b6d61
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sample/src/main/java/com/facebook/samples/litho/kotlin/accessibility/FocusOrderComponent.kt
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| /* | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * 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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|
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| package com.facebook.samples.litho.kotlin.accessibility | ||
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| import com.facebook.litho.Column | ||
| import com.facebook.litho.Component | ||
| import com.facebook.litho.ComponentScope | ||
| import com.facebook.litho.KComponent | ||
| import com.facebook.litho.Style | ||
| import com.facebook.litho.accessibility.contentDescription | ||
| import com.facebook.litho.accessibility.focusOrder | ||
| import com.facebook.litho.core.padding | ||
| import com.facebook.litho.kotlin.widget.Text | ||
| import com.facebook.litho.kotlin.widget.TextInput | ||
| import com.facebook.litho.useFocusOrder | ||
| import com.facebook.litho.useState | ||
| import com.facebook.litho.view.onClick | ||
| import com.facebook.rendercore.dp | ||
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| class FocusOrderComponent : KComponent() { | ||
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| override fun ComponentScope.render(): Component { | ||
| // start_focusorder_a11y_example | ||
| val hideElements = useState { false } | ||
| val (first, second, third, fourth, fifth) = useFocusOrder() | ||
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| return Column( | ||
| style = Style.padding(16.dp).contentDescription("Fourth hello!").focusOrder(fourth)) { | ||
| child( | ||
| Text( | ||
| text = "First hello!", | ||
| style = | ||
| Style.focusOrder(first).onClick { | ||
| hideElements.update { !hideElements.value } | ||
| })) | ||
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| if (hideElements.value) { | ||
| child(Text(text = "Fifth hello!", style = Style.focusOrder(fifth))) | ||
| child(TextInput(initialText = "Second hello!", style = Style.focusOrder(second))) | ||
| } | ||
| child(Text(text = "Third hello!", style = Style.focusOrder(third))) | ||
| } | ||
| // end_focusorder_a11y_example | ||
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| } | ||
| } |