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[RNMobile] Enable Dismiss on PlainText in Android #20095

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merged 3 commits into from
Feb 7, 2020
Merged

[RNMobile] Enable Dismiss on PlainText in Android #20095

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6c9110f
Add flag for determining if running on Android
chipsnyder Feb 7, 2020
ca7e027
Enable Dismiss button on PlainText. Enable show keyboard in Android o…
chipsnyder Feb 7, 2020
fe72b22
Enable Dismiss button on PlainText. Enable show keyboard in Android o…
chipsnyder Feb 7, 2020
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28 changes: 21 additions & 7 deletions packages/block-editor/src/components/plain-text/index.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -16,25 +16,39 @@ import styles from './style.scss';
export default class PlainText extends Component {
constructor() {
super( ...arguments );
this.isIOS = Platform.OS === 'ios';
this.isAndroid = Platform.OS === 'android';
}

componentDidMount() {
// if isSelected is true, we should request the focus on this TextInput
if (
this._input.isFocused() === false &&
this._input.props.isSelected === true
) {
this.focus();
if ( this._input.isFocused() === false && this.props.isSelected ) {
if ( this.isAndroid ) {
/*
* There seems to be an issue in React Native where the keyboard doesn't show if called shortly after rendering.
* As a common work around this delay is used.
* https://github.com/facebook/react-native/issues/19366#issuecomment-400603928
*/
this.timeoutID = setTimeout( () => {
this._input.focus();
}, 100 );
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Android TextInput has a bug where the keyboard doesn't pop when autoselecting a view in componentDidMount. to get around this a small timeout is set. This is an issue with ReactNative that seems to be opened then closed multiple times due to inactivity.

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Actually I think that this is a core Android bug where you can't focus an EditText if the view isn't active, so you need to wait with a timeout 😄

} else {
this._input.focus();
}
}
}

componentDidUpdate( prevProps ) {
if ( ! this.props.isSelected && prevProps.isSelected && this.isIOS ) {
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When the hide keyboard button is selected componentDidUpdate is called with the changes of isSelected toggling from true to false the is iOS flag here was preventing android from getting the blur call to dismiss the keyboard

if ( ! this.props.isSelected && prevProps.isSelected ) {
this._input.blur();
}
}

componentWillUnmount() {
if ( this.isAndroid ) {
clearTimeout( this.timeoutID );
}
}

focus() {
this._input.focus();
}
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