A Customizable React Native Textinput with Its Placeholder Always Shown

About

This is a React-Native TextInput component, containing a floating placeholder, visible even after filled in, that you can freely modify its styles 💅 🎉

Instalation

To install just input the following command:

npm i react-native-floating-label-input

or

yarn add react-native-floating-label-input

Version 1.3.0 🎉 🎉

  • Animation added to font size on focus and on blur;
  • new animationDuration prop added;
  • staticLabel bug fixed when in multiline;
  • Smoother animations;

New Features

Mask has been updated, and some bugs should have been fixed. Features as leftComponent, onTogglePassword, customShowPasswordComponent, customHidePasswordComponent, staticLabel, hint and hintTextColor have been added! Checkout the usage:

leftComponent : JSX.Element

  • Add left component to your input. Usually used for displaying icon

import React, { useState } from 'react';
import { View, Text } from 'react-native';
import { FloatingLabelInput } from 'react-native-floating-label-input';

const app: React.FC = () => {
  const [phone, setPhone] = useState('');

  return (
    <View style={{padding: 50, flex: 1, backgroundColor: '#fff'}}>
      <FloatingLabelInput
        label={'label'}
        value={phone}
        leftComponent={
          <Image
            style={{height: 30, width: 30}}
            source={{
              uri: 'https://image.flaticon.com/icons/png/512/25/25231.png',
            }}
          />
        }
        isPassword
        onChangeText={(val) => setPhone(val)}
        onFocus={focus}
        onBlur={blur}
        isFocused={focused}
        customShowPasswordComponent={<Text>Show</Text>}
        customHidePasswordComponent={<Text>Hide</Text>}
      />
    </View>
  );
};
export default app;

onTogglePassword : (boolean) => void

  • Callback for show/hide password

customShowPasswordComponent and customHidePasswordComponent : JSX.Element

  • Set your own show/hide password component

import React, { useState } from 'react';
import { View, Text } from 'react-native';
import { FloatingLabelInput } from 'react-native-floating-label-input';

const app: React.FC = () => {
  const [password, setPassword] = useState('');

  return (
    <View style={{padding: 50, flex: 1, backgroundColor: '#fff'}}>
      <FloatingLabelInput
        label="Password"
        value={password}
        onTogglePassword={(bool) => {
          console.log(bool);
        }}
        customShowPasswordComponent={<Text>Show</Text>}
        customHidePasswordComponent={<Text>Hide</Text>}
        onChangeText={(value) => {
          setPassword(value);
        }}
      />
    </View>
  );
};
export default app;

staticLabel : boolean

  • Set this to true if you want the label to be always at a set position. Commonly used with hint for displaying both label and hint for your input. For changing the position of the label with this prop as true, use the customLabelStyles topFocused and leftFocused to adjust the wanted position. Default false.

hint : string

  • Hint displays only when staticLabel prop is set to true. This prop is used to show a preview of the input to the user.

hintTextColor : string

  • Set the color to the hint
New props usage example

import React, { useState } from 'react';
import { View } from 'react-native';
import { FloatingLabelInput } from 'react-native-floating-label-input';

const app: React.FC = () => {
  const [phone, setPhone] = useState('');

  return (
    <View style={{padding: 50, flex: 1, backgroundColor: '#fff'}}>
      <FloatingLabelInput
        label="Phone"
        value={phone}
        staticLabel
        hintTextColor={'#aaa'}
        mask="99 (99) 99999-9999"
        hint="55 (22) 98765-4321"
        containerStyles={{
          borderWidth: 2,
          paddingHorizontal: 10,
          backgroundColor: '#fff',
          borderColor: 'blue',
          borderRadius: 8,
        }}
        customLabelStyles={{
          colorFocused: 'red',
          fontSizeFocused: 12,
        }}
        labelStyles={{
          backgroundColor: '#fff',
          paddingHorizontal: 5,
        }}
        inputStyles={{
          color: 'blue',
          paddingHorizontal: 10,
        }}
        onChangeText={(value) => {
          setPhone(value);
        }}
      />
    </View>
  );
};
export default app;

setGlobalStyles : Object

// index.js or any other root file
import { AppRegistry } from 'react-native';
import App from './App';
import { name as appName } from './app.json';
import './globalStyles';

AppRegistry.registerComponent(appName, () => App);

// globalStyles.js
import { setGlobalStyles } from 'react-native-floating-label-input';

setGlobalStyles.containerStyles = {
  backgroundColor: '#eeddee',
  // any styles you want to generalize to your input container
};
setGlobalStyles.labelStyles = {
  color: '#f98f68',
  // any styles you want to generalize to your floating label
};
setGlobalStyles.inputStyles = {
  color: '#383',
  // any styles you want to generalize to your input
};

Input mask

Props relating mask:

  • mask: ‘string’;

  • maskType?: ‘currency’ | ‘phone’ | ‘date’ | ‘card’;

  • currencyDivider: ‘,’ | ‘.’;

  • Currency

    Currently the mask will take effect in all maskTypes, except ‘currency’, wich is made automatically when maskType is set as currency. The reason is because currency is dynamic within the input value. If you want to change the thousands divider to other pattern, just insert the prop currencyDivider with one of: ‘,’ or ‘.’.

//...
import React, { useState } from 'react';
import { ScrollView } from 'react-native';
import { FloatingLabelInput } from 'react-native-floating-label-input';

const app: React.FC = () => {
  const [birthday, setBirthday] = useState('');
  const [phone, setPhone] = useState('');
  const [price, setPrice] = useState('');

  return (
    <ScrollView
      keyboardShouldPersistTaps="handled"
      contentContainerStyle={{
        flex: 1,
        justifyContent: 'center',
        alignItems: 'stretch',
        margin: 30,
      }}
    >
      <FloatingLabelInput
        label="Birthday"
        value={birthday}
        mask="99/99/9999"
        keyboardType="numeric"
        onChangeText={value => setBirthday(value)}
      />
      <FloatingLabelInput
        label="Phone"
        value={phone}
        mask="(99)99999-9999"
        keyboardType="numeric"
        onChangeText={value => setPhone(value)}
      />
      <FloatingLabelInput
        label="Price"
        value={price}
        maskType="currency"
        currencyDivider="." // which generates: 9.999.999,99 or 0,99 ...
        keyboardType="numeric"
        onChangeText={value => setPrice(value)}
      />
    </ScrollView>
  );
};
export default app;

Character Count

import React, { useState } from 'react';
import { ScrollView } from 'react-native';
import { FloatingLabelInput } from 'react-native-floating-label-input';

const app: React.FC = () => {
  const [description, setDescription] = useState('');

  return (
    <ScrollView
      keyboardShouldPersistTaps="handled"
      contentContainerStyle={{
        flex: 1,
        justifyContent: 'center',
        alignItems: 'stretch',
        margin: 30,
      }}
    >
      <FloatingLabelInput
        multiline={true}
        label="Description"
        value={val}
        blurOnSubmit={false}
        countdownLabel="chars left"
        maxLength={100}
        showCountdown={true}
        onChangeText={value => setDescription(value)}
      />
    </ScrollView>
  );
};
export default app;

Basic Usage

//...
import React, { useState } from 'react';
import { FloatingLabelInput } from 'react-native-floating-label-input';

const app: React.FC = () => {
  const [login, setLogin] = useState('');

  return (
    <FloatingLabelInput
      label="Login"
      value={login}
      onChangeText={value => setLogin(value)}
    />
  );
};
export default app;

Advanced Usage

//...
import React, { useState, useRef } from 'react';
import { View } from 'react-native';
import { FloatingLabelInput } from 'react-native-floating-label-input';

const app: React.FC = () => {
  const [username, setUsername] = useState('');
  const [password, setPassword] = useState('');
  const [isFocused, setIsFocused] = useState(false);
  const usernameRef = useRef(null);
  const passwordRef = useRef(null);

  return (
    <View>
      <FloatingLabelInput
        //  mask="99/99/9999" // Set mask to your input
        //  maskType="date" // Set mask type
        //  staticLabel // Set this to true if you want the label to be always at a set position. Commonly used with hint for displaying both label and hint for your input. For changing the position of the label with this prop as true, use the **customLabelStyles** _topFocused_ and _leftFocused_ to adjust the wanted position. Default false.
        //  hint="" // Hint displays only when staticLabel prop is set to true. This prop is used to show a preview of the input to the user.
        //  hintTextColor="#ccc" // Set the color to the hint
        //  currencyDivider="," // Set currency thousands divider, default is ","
        //  maxDecimalPlaces={2} // Set maximum decimal places, default is 2
        //  isFocused={false} // If you override the onFocus/onBlur props, you must handle this prop
        //  customLabelStyles={{}} // custom Style for position, size and color for label, when it's focused or blurred
        //  customShowPasswordImage={} // pass the image source to set your custom show image
        //  customHidePasswordImage={} // pass the image source to set your custom hide image
        //  labelStyles={{}} // add your styles to the floating label component
        //  showPasswordImageStyles={{}} // add your styles to the 'show password image' component
        //  containerStyles={{}} // add your styles to container of whole component
        //  showPasswordContainerStyles={{}} // add your styles to the 'show password container' component
        //  inputStyles={{}} // add your styles to inner TextInput component
        //  isPassword={false} // set this to true if value is password, default false
        //  darkTheme={false} // color of default 'show password image', default false
        //  multiline={false} // set this to true to enable multiline support, default false
        //  maxLength={} // Set maximum number of characters input will accept. Value overridden by mask if present
        //  showCountdown={false} // Set this to true to show the allowed number of characters remaining, default false
        //  countdownLabel="" // Set the label to be shown after the allowed number of characters remaining, default is ""
        //  onSubmit={() => this.yourFunction()} // adds callback to submit
        //  customShowPasswordComponent={} // Set your own JSX.Element to be the show password element
        //  customHidePasswordComponent={} // Set your own JSX.Element to be the hide password element
        label="Placeholder" // required
        value={value} // required
        onChange={value => setValue(value)} // required
      />
      <FloatingLabelInput
        label="place"
        value={value}
        isFocused={isFocused}
        onSubmit={() => {
          passwordRef.current?.focus();
        }}
        ref={usernameRef}
        onChangeText={text => setValue(text)}
        onFocus={() => {
          setIsFocused(true);
        }}
        onBlur={() => {
          value === '' && setIsFocused(false);
        }}
      />
      <FloatingLabelInput
        label="Password"
        value={password}
        isPassword={true}
        darkTheme={true}
        ref={passwordRef}
        onChangeText={text => setPassword(text)}
      />
    </View>
  );
};

export default app;
  • All commented options above are optional.
  • If you want to use the “customShowPasswordImage” prop or “customHidePasswordImage” prop, provide a image path, for example:
import showPassword from '../assets/images/yourImage';
import hidePassword from '../assets/images/yourImage2';
// ...
<FloatingLabelInput
  label="Password"
  value={password}
  isPassword={true}
  onChangeText={text => setPassword(text)}
  customShowPasswordImage={showPassword}
  customHidePasswordImage={hidePassword}
/>

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Download Details:

Author: Cnilton

Source Code: https://github.com/Cnilton/react-native-floating-label-input

#react #react-native #mobile-app

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A Customizable React Native Textinput with Its Placeholder Always Shown
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