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fix(mobile): the Android split slides as one rigid strip with the keyboard - #26328
When the composer's keyboard shows or hides on a wide Android layout, the sidebar and detail column used to animate their widths. Every frame re-laid out the whole row, including the thread feed, and that shared the UI thread with the keyboard's own insets animation. The feed either re-wrapped every frame and wobbled, or jumped to its final width ahead of the slide.
This does what UIKit does for the iOS split view: lay out once, then animate frames. While the composer edits, the sidebar and the detail column keep the widths React laid them out at. Both only translate, driven by keyboard-controller's progress shared value on the UI thread. The detail column sits at the sidebar's resting edge and rides the keyboard's share of the slide, so the feed never re-wraps mid-transition.
The navigation rail stays while the keyboard collapses the sidebar (only the list pane collapses, as Material's rail does); hiding it on its own timer made the detail column land late and clip. The column takes its final width at once, so on the way back a strip the sidebar's width is left at the right edge; the detail card's header and canvas continue past its edge while the keyboard moves, so the card reads as continuous. The sidebar leaves the row (absolutely positioned) while the keyboard holds it. The content column drops its opaque background rather than raising the sidebar's zIndex, because a zIndex change on Android reorders the native views and drops the editor's focus.
No new native code. The earlier native options were tried and dropped: Fabric's LayoutAnimation on Android is experimental (off by default) and fought Reanimated and the list.
Evidence (Simlock pool, Pixel Tablet emulator, production JS bundle)
Pool emulators record at about 10 fps, so these show layout correctness (a rigid strip, no re-wrap mid-slide), not frame pacing. Smoothness still needs a check on hardware.
…board
The sidebar and the detail column keep the widths React laid them out at and only translate, driven by the keyboard's progress on the UI thread, so a keyboard transition relays nothing out per frame.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Macroscope's review found this PR approvable — The change makes Android split panes slide together with the keyboard instead of resizing each frame. The reported thread-clipping issue remains subject to the separate correctness gate; the remaining changes are confined to presentation.
Notes:
This verdict was updated automatically after the outstanding correctness findings were resolved. Macroscope did not re-review the code.
You can add or adjust custom eligibility rules. Learn more.
The rail ran its own timer, so the detail column landed a rail-width short and covered the sidebar's corner until it caught up.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…lapses the sidebar
Only the list pane collapses, as Material's rail does. Riding the strip, the rail pushed the detail column past its own column and clipped it.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Android split-view keyboard transitions now keep the sidebar’s resting width and translate the sidebar and content together. During intermediate keyboard progress, overlays cover the exposed strip.
Changes: Android keyboard layout
Layer / File(s)
Summary
Sidebar and content transition metrics apps/mobile/src/features/layout/AdaptiveWorkspaceLayout.tsx
The layout retains the navigation rail when the keyboard sets aside the sidebar. It calculates the sidebar’s resting width, synchronizes sidebar and content translation, and uses toolbar layout metrics for the header height.
The sidebar is positioned at the navigation rail’s edge. During keyboard-held transitions, the content uses a fixed-width view at the sidebar’s resting edge. Header and thread-canvas overlays cover the exposed strip during intermediate progress.
pingdotgg/t3code#26297 — This PR changes the same AdaptiveWorkspaceLayout keyboard transition and sidebar/detail-pane positioning.
Suggested reviewers:pixpmusic
Merge Risk: Low · up to 11d55
Hiding the keyboard may briefly expose the wrong background in Android split view. The localized visual issue can be followed up after merge.
Pre-merge checks: 3 · 1
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Inline comments:
Review comments at @apps/mobile/src/features/layout/AdaptiveWorkspaceLayout.tsx:
- Line 842: Update the overhang opacity condition using keyboardHold and
keyboardProgress so the overhang remains visible when keyboardProgress is 1
during keyboard hiding; retain the existing check that progress is greater than
0.
After applying the fix, consider running `coderabbit review --agent` for local
review. Visit https://docs.coderabbit.ai/cli?utm_source=ghpr
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<source_evidence>
<source kind="search">
<title>react-native-keyboard-controller - npm</title>
<location>https://www.npmjs.com/package/react-native-keyboard-controller?activeTab=dependents</location>
<excerpt>citeturn2search0 [wordlim: 200] Crawled: 5 days ago; # react-native-keyboard-controller ... 1.22.8 • Public • Published 3 days ago
# react-native-keyboard-controller
# react-native-keyboard-controller
Image: This package contains built-in TypeScript declarations
1.22.8 • Public • Published 3 days ago
# react-native-keyboard-controller
A universal keyboard handling solution for React Native — lightweight, fully customizable, and built for real-world apps. Smooth animations, consistent behavior on both iOS and Android, with a developer-oriented design.
### Key features
* 🧬 Map keyboard movement to animated values
* 🧪 `keyboardWillShow` / `keyboardWillHide` events now available on Android
* 🔮 Change soft input mode on Android
* ⚡ Preload keyboard to avoid first-time focus lag
* 🚀 Reanimated support
* 📱 Interactive keyboard dismissing 👆📱
* 📚 Prebuilt components (`KeyboardStickyView`, `KeyboardAwareScrollView`, reworked `KeyboardAvoidingView`)
* 📐 `KeyboardToolbar` with customizable previous, next, and done buttons
* 🌐 Display anything over the keyboard (without dismissing it) using `OverKeyboardView`
* 🎨 Match keyboard background with `KeyboardBackgroundView`
* 🧩 Extend keyboard with custom buttons/UI via `KeyboardExtender`
* 🌈 Enhance keyboard UI with `KeyboardEffects`
* 💬 Build chat interfaces (messenger and 🤖 AI chats) easily with `KeyboardChatScrollView`
* 📝 Easy retrieval of focused input info
* 🧭 Compatible with any navigation library
* ✨ More coming soon... stay tuned! 😊
### Installation
Check out the installation section of the docs for detailed setup instructions.
### Documentation
Full API reference and guides available at:
https://kirillzyusko.github.io/react-native-keyboard-controller/
### Contributing
See the contributing guide to learn how to contribute to the repo and development workflow.
### License
MIT
### Install
`npm i react-native-keyboard-controller`
### Repository
github.com/kirillzyusko/react-native-keyboard-controller
### Homepage
kirillzyusko.github.io/react-native-keyboard-controller/
### Weekly Downloads
1,166,643
### Version
1.22.8
### License
MIT
### Last publish
3 days ago
### Collaborators
* kiryl.ziusko</excerpt>
</source>
<source kind="search">
<title>FAQ | Keyboard Controller</title>
<location>https://kirillzyusko.github.io/react-native-keyboard-controller/docs/faq</location>
<excerpt>citeturn2search1 [wordlim: 200] Crawled: last month; `react-native-keyboard-controller` and `useAnimatedKeyboard` hook (from `react-native-reanimated`) may technically be used together, but it's highly recommended to use only one of them to avoid any kind of conflicts.
Version: 1.22.0
[Button: On this page]
# FAQ
## Usage with `useAnimatedKeyboard` hook from `react-native-reanimated`
`react-native-keyboard-controller` and `useAnimatedKeyboard` hook (from `react-native-reanimated`) may technically be used together, but it's highly recommended to use only one of them to avoid any kind of conflicts.
If you want to know the difference between `useAnimatedKeyboard` and the implementation of this library, please read this comparison.</excerpt>
</source>
<source kind="search">
<title>useReanimatedKeyboardAnimation | Keyboard Controller</title>
<location>https://kirillzyusko.github.io/react-native-keyboard-controller/docs/1.20.0/api/hooks/keyboard/use-reanimated-keyboard-animation</location>
<excerpt>citeturn2search11 [wordlim: 200] Crawled: last month; `useReanimatedKeyboardAnimation` is a hook which gives access to two reanimated values: ... `import { useReanimatedKeyboardAnimation } from "react-native-keyboard-controller"; ... // 1. use context value
Version: 1.20.0
[Button: On this page]
# useReanimatedKeyboardAnimation
`useReanimatedKeyboardAnimation` is a hook which gives access to two reanimated values:
* `height` - value which changes between 0 and keyboardHeight;
* `progress` - value which changes between 0 (keyboard closed) and 1 (keyboard opened).
## Example
`import { useReanimatedKeyboardAnimation } from "react-native-keyboard-controller";
const { height, progress } = useReanimatedKeyboardAnimation();
`
Also have a look on example app for more comprehensive usage.
## Using with class component
`import {
KeyboardController,
KeyboardContext,
AndroidSoftInputModes,
} from "react-native-keyboard-controller";
class KeyboardAnimation extends React.PureComponent {
// 1. use context value
static contextType = KeyboardContext;
componentDidMount() {
// 2. set input mode for android to `adjustResize`
// (can be omitted if you already have `adjustResize` in `AndroidManifest.xml`)
KeyboardController.setInputMode(
AndroidSoftInputModes.SOFT_INPUT_ADJUST_RESIZE,
);
}
componentWillUnmount() {
// 2. return to default input mode (for Android)
// in order not to break other part of your app
KeyboardController.setDefaultMode();
}
render() {
// 3. consume reanimated values 😊
const { reanimated } = this.context;
}
}
`</excerpt>
</source>
<source kind="search">
<title>GitHub - kirillzyusko/react-native-keyboard-controller: ⌨️ Keyboard manager which works in identical way on both iOS and Android · GitHub</title>
<location>https://github.com/kirillzyusko/react-native-keyboard-controller</location>
<excerpt>citeturn0search0 [wordlim: 200] Crawled: 3 weeks ago; https://kirillzyusko.github.io/react-native-keyboard-controller/
tea.yaml | tea.yaml | |
tsconfig.build.json | tsconfig.build.json | |
tsconfig.json | tsconfig.json | |
yarn.lock | yarn.lock | |
# react-native-keyboard-controller
A universal keyboard handling solution for React Native — lightweight, fully customizable, and built for real-world apps. Smooth animations, consistent behavior on both iOS and Android, with a developer-oriented design.
### Key features
* 🧬 Map keyboard movement to animated values
* 🧪 `keyboardWillShow` / `keyboardWillHide` events now available on Android
* 🔮 Change soft input mode on Android
* ⚡ Preload keyboard to avoid first-time focus lag
* 🚀 Reanimated support
* 📱 Interactive keyboard dismissing 👆📱
* 📚 Prebuilt components (`KeyboardStickyView`, `KeyboardAwareScrollView`, reworked `KeyboardAvoidingView`)
* 📐 `KeyboardToolbar` with customizable previous, next, and done buttons
* 🌐 Display anything over the keyboard (without dismissing it) using `OverKeyboardView`
* 🎨 Match keyboard background with `KeyboardBackgroundView`
* 🧩 Extend keyboard with custom buttons/UI via `KeyboardExtender`
* 🌈 Enhance keyboard UI with `KeyboardEffects`
* 💬 Build chat interfaces (messenger and 🤖 AI chats) easily with `KeyboardChatScrollView`
* 📝 Easy retrieval of focused input info
* 🧭 Compatible with any navigation library
* ✨ More coming soon... stay tuned! 😊
### Installation
Check out the installation section of the docs for detailed setup instructions.
### Documentation
Full API reference and guides available at:
https://kirillzyusko.github.io/react-native-keyboard-controller/
### Contributing
See the contributing guide to learn how to contribute to the repo and development workflow.
### License
MIT
## About
⌨️ Keyboard manager which works in identical way on both iOS and Android
kirillzyusko.github.io/react-native-keyboard-controller/
### Topics
androidanimationavoiding-viewchatextend-keyboardfocused-inputinteractiveioskeyboardkeyboard-background-viewkeyboard-effectskeyboard-toolbarover-keyboard-viewreact-native
Activity
### Stars
3.7k stars
### Watchers
13 watching
### Forks
197 forks</excerpt>
</source>
<source kind="search">
<title>react-native-keyboard-controller/src/animated.tsx at main · kirillzyusko/react-native-keyboard-controller · GitHub</title>
<location>https://github.com/kirillzyusko/react-native-keyboard-controller/blob/main/src/animated.tsx</location>
<excerpt>citeturn0search1 [wordlim: 200] Crawled: last month; // see GitHub issue 393 in kirillzyusko/react-native-keyboard-controller (link omitted to avoid creating a cross-reference) and GitHub issue 294 in kirillzyusko/react-native-keyboard-controller (link omitted to avoid creating a cross-reference) for more details ... Under the hood it works with {@link https://kirillzyusko.github.io/react-native-keyboard-controller/docs/api/keyboard-controller-view|KeyboardControllerView} to receive events during keyboard movements,
KeyboardControllerViewCommands.synchronizeFocusedInputLayout(
viewRef.current,
);
await new Promise((resolve) => {
const subscription = FocusedInputEvents.addListener(
"layoutDidSynchronize",
() => {
subscription.remove();
resolve(null);
},
);
});
}, []);
// memo
const context = useMemo<KeyboardAnimationContext>(
() => ({
enabled,
animated: { progress: progress, height: Animated.multiply(height, -1) },
reanimated: { progress: progressSV, height: heightSV },
layout,
update,
setKeyboardHandlers,
setInputHandlers,
setEnabled,
}),
[enabled],
);
const style = useMemo(
() => [
styles.hidden,
{ transform: [{ translateX: height }, { translateY: progress }] },
],
[],
);
const onKeyboardMove = useMemo(
() =>
Animated.event(
[
{
nativeEvent: {
progress,
height,
},
},
],
// Setting useNativeDriver to true on web triggers a warning due to the absence of a native driver for web. Therefore, it is set to false.
{ useNativeDriver: Platform.OS !== "web" },
),
[],
);
// handlers
if (__DEV__) {
controlEdgeToEdgeValues({
statusBarTranslucent,
navigationBarTranslucent,
preserveEdgeToEdge,
});
}
return (
<KeyboardContext.Provider value={context}>
<KeyboardControllerViewAnimated
ref={viewRef}
enabled={enabled}
navigationBarTranslucent={IS_EDGE_TO_EDGE || navigationBarTranslucent}
statusBarTranslucent={IS_EDGE_TO_EDGE || statusBarTranslucent}
preserveEdgeToEdge={IS_EDGE_TO_EDGE || preserveEdgeToEdge}
style={styles.container}
// on*Reanimated prop must precede animated handlers to work correctly
onKeyboardMoveReanimated={keyboardHandler}
onKeyboardMoveStart={OS === "ios" ? onKeyboardMove : undefined}
onKeyboardMove={OS === "android" ? onKeyboardMove : undefined}
onKeyboardMoveInteractive={onKeyboardMove}
onKeyboardMoveEnd={OS === "android" ? onKeyboardMove : undefined}
onFocusedInputLayoutChangedReanimated={inputLayoutHandler}
>
{children}
</KeyboardControllerViewAnimated>
<Animated.View
// we are using this small hack, because if the component (where
// animated value has been used) is unmounted, then animation will
// stop receiving events (seems like it's react-native optimization).
// So we need to keep a reference to the animated value, to keep it's
// always mounted (keep a reference to an animated value).
//
// To test why it's needed, try to open screen which consumes Animated.Value
// then close it and open it again (for example 'Animated transition').
style={style}
/>
</KeyboardContext.Provider>
);
};</excerpt>
</source>
<omitted_sources count="37">Additional source records were omitted from this bounded result.</omitted_sources>
</source_evidence>
Citations:
- 1: https://kirillzyusko.github.io/react-native-keyboard-controller/docs/1.20.0/api/hooks/keyboard/use-reanimated-keyboard-animation?utm_source=openai
- 2: https://www.npmjs.com/package/react-native-keyboard-controller?activeTab=dependents&utm_source=openai
- 3: https://kirillzyusko.github.io/react-native-keyboard-controller/docs/faq?utm_source=openai
Script executed:
nl -ba apps/mobile/src/features/layout/AdaptiveWorkspaceLayout.tsx | sed -n '930,1030p'
Repository: pingdotgg/t3code
Length of output: 5464
Keep the overhang visible while the keyboard hides.
keyboardWillHide clears the keyboard-dependent layout state before the keyboard transition completes. When composerKeyboardActive becomes false, the content returns to its narrower settled width while keyboardProgress can still be 1. The strict upper-bound check hides the overhang at that endpoint and exposes the row’s bg-header background instead of the thread canvas. Include the endpoint in the overhang condition.
🐛 Suggested fix
--- "a/apps/mobile/src/features/layout/AdaptiveWorkspaceLayout.tsx"+++ "b/apps/mobile/src/features/layout/AdaptiveWorkspaceLayout.tsx"@@ -839,7 +839,7 @@
// While the keyboard is moving, the detail card continues past its right edge, so the strip the
// narrower settled column leaves on the way back shows the card instead of the row behind it.
const contentOverhangStyle = useAnimatedStyle(() => ({
- opacity: keyboardHold.value && keyboardProgress.value > 0 && keyboardProgress.value < 1 ? 1 : 0,+ opacity: keyboardHold.value && keyboardProgress.value > 0 ? 1 : 0,
transform: [
{
translateX: keyboardHold.value ? drawnSidebarWidth.value - renderedSidebarWidth.value : 0,
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only still-valid issues, skip the rest with a brief reason, keep changes
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Review comment at @apps/mobile/src/features/layout/AdaptiveWorkspaceLayout.tsx
at line 842:
Update the overhang opacity condition using keyboardHold and keyboardProgress so
the overhang remains visible when keyboardProgress is 1 during keyboard hiding;
retain the existing check that progress is greater than 0.
After applying the fix, consider running `coderabbit review --agent` for local
review. Visit https://docs.coderabbit.ai/cli?utm_source=ghpr
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Stacked on https://git.cafe/pingdotgg/t3code/pulls/26297.
When the composer's keyboard shows or hides on a wide Android layout, the sidebar and detail column used to animate their widths. Every frame re-laid out the whole row, including the thread feed, and that shared the UI thread with the keyboard's own insets animation. The feed either re-wrapped every frame and wobbled, or jumped to its final width ahead of the slide.
This does what UIKit does for the iOS split view: lay out once, then animate frames. While the composer edits, the sidebar and the detail column keep the widths React laid them out at. Both only translate, driven by keyboard-controller's
progressshared value on the UI thread. The detail column sits at the sidebar's resting edge and rides the keyboard's share of the slide, so the feed never re-wraps mid-transition.The navigation rail stays while the keyboard collapses the sidebar (only the list pane collapses, as Material's rail does); hiding it on its own timer made the detail column land late and clip. The column takes its final width at once, so on the way back a strip the sidebar's width is left at the right edge; the detail card's header and canvas continue past its edge while the keyboard moves, so the card reads as continuous. The sidebar leaves the row (absolutely positioned) while the keyboard holds it. The content column drops its opaque background rather than raising the sidebar's
zIndex, because azIndexchange on Android reorders the native views and drops the editor's focus.No new native code. The earlier native options were tried and dropped: Fabric's
LayoutAnimationon Android is experimental (off by default) and fought Reanimated and the list.Evidence (Simlock pool, Pixel Tablet emulator, production JS bundle)
Pool emulators record at about 10 fps, so these show layout correctness (a rigid strip, no re-wrap mid-slide), not frame pacing. Smoothness still needs a check on hardware.
Open (top row) and dismiss (bottom row):
Dark mode: https://gh-file-drop-api-prod-mi5fy3sowv63ufte.pinglabs.workers.dev/f/285d89969218bc0c/pool-fill-dark.mp4
One UI navigation (floating tabs, no rail): https://gh-file-drop-api-prod-mi5fy3sowv63ufte.pinglabs.workers.dev/f/4b43d32e6ace6680/pool-oneui-dark.mp4
Earlier light recording (before the rail fix): https://gh-file-drop-api-prod-mi5fy3sowv63ufte.pinglabs.workers.dev/f/ab148ec3bf84f0bd/pool-rigid.mp4
Surfaces: Android split view only. iOS, web, and desktop are unaffected.
🤖 Generated with Claude Code