What is @capacitor/keyboard?
@capacitor/keyboard is a Capacitor plugin that provides keyboard-related functionalities for mobile applications. It allows developers to manage the keyboard's behavior, such as showing or hiding the keyboard, listening to keyboard events, and adjusting the viewport when the keyboard is displayed.
What are @capacitor/keyboard's main functionalities?
Show Keyboard
This feature allows you to programmatically show the keyboard.
import { Keyboard } from '@capacitor/keyboard';
Keyboard.show();
Hide Keyboard
This feature allows you to programmatically hide the keyboard.
import { Keyboard } from '@capacitor/keyboard';
Keyboard.hide();
Listen to Keyboard Events
This feature allows you to listen to keyboard events such as when the keyboard is about to show or hide.
import { Keyboard } from '@capacitor/keyboard';
Keyboard.addListener('keyboardWillShow', info => {
console.log('Keyboard will show with height:', info.keyboardHeight);
});
Keyboard.addListener('keyboardWillHide', () => {
console.log('Keyboard will hide');
});
Set Accessory Bar Visibility
This feature allows you to set the visibility of the accessory bar above the keyboard.
import { Keyboard } from '@capacitor/keyboard';
Keyboard.setAccessoryBarVisible({ isVisible: true });
Set Resize Mode
This feature allows you to set the resize mode of the web view when the keyboard is displayed. Modes include 'native', 'ionic', and 'body'.
import { Keyboard } from '@capacitor/keyboard';
Keyboard.setResizeMode({ mode: 'native' });
Other packages similar to @capacitor/keyboard
cordova-plugin-keyboard
cordova-plugin-keyboard is a Cordova plugin that provides similar functionalities for managing the keyboard in mobile applications. It allows you to show/hide the keyboard, listen to keyboard events, and adjust the viewport. However, it is designed for Cordova-based projects, whereas @capacitor/keyboard is designed for Capacitor-based projects.
react-native-keyboard-aware-scroll-view
react-native-keyboard-aware-scroll-view is a React Native package that helps manage the keyboard in React Native applications. It provides functionalities to automatically adjust the scroll view when the keyboard is displayed. While it offers similar functionalities, it is specifically designed for React Native, unlike @capacitor/keyboard which is for Capacitor.
ionic-plugin-keyboard
ionic-plugin-keyboard is an Ionic plugin that provides keyboard management functionalities similar to @capacitor/keyboard. It allows you to show/hide the keyboard, listen to keyboard events, and adjust the viewport. It is designed for Ionic projects using Cordova, whereas @capacitor/keyboard is for Ionic projects using Capacitor.
@capacitor/keyboard
The Keyboard API provides keyboard display and visibility control, along with event tracking when the keyboard shows and hides.
Install
npm install @capacitor/keyboard
npx cap sync
Example
import { Keyboard } from '@capacitor/keyboard';
Keyboard.addListener('keyboardWillShow', info => {
console.log('keyboard will show with height:', info.keyboardHeight);
});
Keyboard.addListener('keyboardDidShow', info => {
console.log('keyboard did show with height:', info.keyboardHeight);
});
Keyboard.addListener('keyboardWillHide', () => {
console.log('keyboard will hide');
});
Keyboard.addListener('keyboardDidHide', () => {
console.log('keyboard did hide');
});
Configuration
On iOS, the keyboard can be configured with the following options:
Prop | Type | Description | Default | Since |
---|
resize | KeyboardResize | Configure the way the app is resized when the Keyboard appears. Only available on iOS. | native | 1.0.0 |
style | 'dark' | 'light' | Override the keyboard style if your app doesn't support dark/light theme changes. If not set, the keyboard style will depend on the device appearance. Only available on iOS. | | 1.0.0 |
Examples
In capacitor.config.json
:
{
"plugins": {
"Keyboard": {
"resize": "body",
"style": "dark"
}
}
}
In capacitor.config.ts
:
import { CapacitorConfig } from '@capacitor/cli';
const config: CapacitorConfig = {
plugins: {
Keyboard: {
resize: "body",
style: "dark",
},
},
};
export = config;
Compatibility with cordova-plugin-ionic-keyboard
To maintain compatibility with
cordova-plugin-ionic-keyboard
,
the following events also work with window.addEventListener
:
keyboardWillShow
keyboardDidShow
keyboardWillHide
keyboardDidHide
API
show()
show() => Promise<void>
Show the keyboard. This method is alpha and may have issues.
This method is only supported on Android.
Since: 1.0.0
hide()
hide() => Promise<void>
Hide the keyboard.
Since: 1.0.0
setAccessoryBarVisible(...)
setAccessoryBarVisible(options: { isVisible: boolean; }) => Promise<void>
Set whether the accessory bar should be visible on the keyboard. We recommend disabling
the accessory bar for short forms (login, signup, etc.) to provide a cleaner UI.
This method is only supported on iPhone devices.
Param | Type |
---|
options | { isVisible: boolean; } |
Since: 1.0.0
setScroll(...)
setScroll(options: { isDisabled: boolean; }) => Promise<void>
Programmatically enable or disable the WebView scroll.
This method is only supported on iOS.
Param | Type |
---|
options | { isDisabled: boolean; } |
Since: 1.0.0
setStyle(...)
setStyle(options: KeyboardStyleOptions) => Promise<void>
Programmatically set the keyboard style.
This method is only supported on iOS.
Since: 1.0.0
setResizeMode(...)
setResizeMode(options: KeyboardResizeOptions) => Promise<void>
Programmatically set the resize mode.
This method is only supported on iOS.
Since: 1.0.0
addListener('keyboardWillShow', ...)
addListener(eventName: 'keyboardWillShow', listenerFunc: (info: KeyboardInfo) => void) => Promise<PluginListenerHandle> & PluginListenerHandle
Listen for when the keyboard is about to be shown.
Param | Type |
---|
eventName | 'keyboardWillShow' |
listenerFunc | (info: KeyboardInfo) => void |
Returns: Promise<PluginListenerHandle> & PluginListenerHandle
Since: 1.0.0
addListener('keyboardDidShow', ...)
addListener(eventName: 'keyboardDidShow', listenerFunc: (info: KeyboardInfo) => void) => Promise<PluginListenerHandle> & PluginListenerHandle
Listen for when the keyboard is shown.
Param | Type |
---|
eventName | 'keyboardDidShow' |
listenerFunc | (info: KeyboardInfo) => void |
Returns: Promise<PluginListenerHandle> & PluginListenerHandle
Since: 1.0.0
addListener('keyboardWillHide', ...)
addListener(eventName: 'keyboardWillHide', listenerFunc: () => void) => Promise<PluginListenerHandle> & PluginListenerHandle
Listen for when the keyboard is about to be hidden.
Param | Type |
---|
eventName | 'keyboardWillHide' |
listenerFunc | () => void |
Returns: Promise<PluginListenerHandle> & PluginListenerHandle
Since: 1.0.0
addListener('keyboardDidHide', ...)
addListener(eventName: 'keyboardDidHide', listenerFunc: () => void) => Promise<PluginListenerHandle> & PluginListenerHandle
Listen for when the keyboard is hidden.
Param | Type |
---|
eventName | 'keyboardDidHide' |
listenerFunc | () => void |
Returns: Promise<PluginListenerHandle> & PluginListenerHandle
Since: 1.0.0
removeAllListeners()
removeAllListeners() => Promise<void>
Remove all native listeners for this plugin.
Since: 1.0.0
Interfaces
KeyboardStyleOptions
Prop | Type | Description | Default | Since |
---|
style | KeyboardStyle | Style of the keyboard. | KeyboardStyle.Default | 1.0.0 |
KeyboardResizeOptions
Prop | Type | Description | Since |
---|
mode | KeyboardResize | Mode used to resize elements when the keyboard appears. | 1.0.0 |
PluginListenerHandle
Prop | Type |
---|
remove | () => Promise<void> |
KeyboardInfo
Prop | Type | Description | Since |
---|
keyboardHeight | number | Height of the heyboard. | 1.0.0 |
Enums
KeyboardStyle
Members | Value | Description | Since |
---|
Dark | 'DARK' | Dark keyboard. | 1.0.0 |
Light | 'LIGHT' | Light keyboard. | 1.0.0 |
Default | 'DEFAULT' | On iOS 13 and newer the keyboard style is based on the device appearance. If the device is using Dark mode, the keyboard will be dark. If the device is using Light mode, the keyboard will be light. On iOS 12 the keyboard will be light. | 1.0.0 |
KeyboardResize
Members | Value | Description | Since |
---|
Body | 'body' | Only the body HTML element will be resized. Relative units are not affected, because the viewport does not change. | 1.0.0 |
Ionic | 'ionic' | Only the ion-app HTML element will be resized. Use it only for Ionic Framework apps. | 1.0.0 |
Native | 'native' | The whole native Web View will be resized when the keyboard shows/hides. This affects the vh relative unit. | 1.0.0 |
None | 'none' | Neither the app nor the Web View are resized. | 1.0.0 |