$ npm install react-native-custom-keyboard --save

$ react-native link react-native-custom-keyboard

1. In XCode, in the project navigator, right click Libraries ➜ Add Files to [your project's name]
2. Go to node_modules ➜ react-native-custom-keyboard and add RNCustomKeyboard.xcodeproj
3. In XCode, in the project navigator, select your project. Add libRNCustomKeyboard.a to your project's Build Phases ➜ Link Binary With Libraries
4. Run your project (Cmd+R)<

1. Open up android/app/src/main/java/[...]/MainActivity.java

• Add import cn.reactnative.customkeyboard.RNCustomKeyboardPackage; to the imports at the top of the file
• Add new RNCustomKeyboardPackage() to the list returned by the getPackages() method

2. Append the following lines to android/settings.gradle:

   include ':react-native-custom-keyboard'
   project(':react-native-custom-keyboard').projectDir = new File(rootProject.projectDir, 	'../node_modules/react-native-custom-keyboard/android')
   

3. Insert the following lines inside the dependencies block in android/app/build.gradle:

     compile project(':react-native-custom-keyboard')
   

Register a component as custom keyboard:

import React, { Component } from 'react';
import {
  TouchableOpacity,
  Text,
  View,
} from 'react-native';
import { register, insertText } from 'react-native-custom-keyboard';

class MyKeyboard extends Component {
  onPress = () => {
    insertText(this.props.tag, 'Hello, world');
  };
  render() {
    return (
      <View>
        <TouchableOpacity onPress={this.onPress}>
          <Text>Hello, world</Text>
        </TouchableOpacity>
      </View>
    );
  }
}

register('hello', () => MyKeyboard);

Use CustomTextInput instead of TextInput.

import React, { Component } from 'react';
import {CustomTextInput} from 'react-native-custom-keyboard';

class MyPage extends Component {
  state = {
    value: '';
  };
  onChangeText = text => {
    this.setState({value: text});
  };
  render() {
    return (
      <View>
        <CustomTextInput customKeyboardType="hello" value={this.state.value} onChangeText={this.onChangeText} />
      </View>
    );
  }
}

Register a custom keyboard type.

Install custom keyboard to a TextInput.

Generally you can use CustomTextInput instead of this. But you can use this API to install/change custom keyboard dynamically.

Uninstall custom keyboard from a TextInput dynamically.

Use in a custom keyboard, insert text to TextInput.

Use in a custom keyboard, delete selected text or the charactor before cursor.

Use in a custom keyboard, delete selected text or the charactor after cursor.

Use in a custom keyboard, move cursor to selection start or move cursor left.

Use in a custom keyboard, move cursor to selection end or move cursor right.

Use in a custom keyboard. Switch to system keyboard.

Next time user press or focus on the TextInput, custom keyboard will appear again. To keep using system keyboard, call uninstall instead.

Use instead of TextInput, this component support all properties of TextInput.

Use a registered custom keyboard.