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react-native-newestapps-hooks

v1.0.5

Published

Smart hooks

Downloads

7

Readme

react-native-newestapps-hooks

Helper hooks

Documentation

Full documentation in react-native.newestapps.com.br

Installation

Install peer dependencies if needed. (and link them)

npm install @react-native-community/hooks react-native-safe-area-context @react-native-async-storage/async-storage --save

npx react-native link react-native-safe-area-context
npx react-native link @react-native-async-storage/async-storage

Install newestapps hooks (no link needed)

npm install react-native-newestapps-hooks --save

Responsive hooks

Responsive hooks combine some libs and some checks, according to platform and screen changes. Is usefull for pixel perfect apps that we build.

import {
  ResponsiveContext,
  useResponsive,
} from 'react-native-newestapps-hooks';

const HomeScreen: React.FC = () => {
  const responsive = useResponsive(); // Must be inside ResponsiveContext

  return (
    <Text>
      Screen width is: {responsive.screenWidth} and Window width is{' '}
      {responsive.windowWidth}
    </Text>
  );
};

const App: React.FC = () => {
  return (
    <ResponsiveContext>
      <HomeScreen />
    </ResponsiveContext>
  );
};

export default App;

Preference hooks

Preference hooks uses async storage, for fast component-level prefs change. Built based on useState usage.

import { Text, Button } from 'react-native';
import {
  PreferenecContext,
  usePreference,
  usePreferences,
  useJsonPreference,
} from 'react-native-newestapps-hooks';

const ProfileScreen: React.FC = () => {
  const [user, setUser] = useJsonPreference('user'); // must use useJsonPreference if dealing with JSON, and you want it to be parsed correctly on fetch. (it will always be an object or array)

  const [theme, setThemePref] = usePreference('myDesiredTheme', 'light'); // Sets theme pref for our app.  NOTE: second parameter, is a default value, in case the pref was not saved before.

  const [deviceId, setDeviceId] = usePreference('myDeviceId');

  /**
   * This describes all functions that is returned for each preference.
   *
   * count = is the actual value for the pref
   * setCount = updates the actual value
   * getCount = forces getting the count value from disc (and does not reload state)
   * incrementCount = very useful when dealing with incrementable values (always integers for now).
   * decrementCount = very useful when dealing with decrementable values (always integers for now).
   */
  const [
    count,
    setCount,
    getCount,
    incrementCount,
    decrementCount,
  ] = usePreference('count', 0);

  React.useEffect(() => {
    /**
     * Note second parameter is TRUE, that is the "saveOnce" functionality, and it will
     * save this preference with this value ONCE, and will never change the value if saveOnce
     * is TRUE. You can override value or force, setting this to FALSE (which is default FALSE).
     */
    setDeviceId('[some-unique-device-id-here]', true);
  }, []);

  return (
    <>
      <Text>{user ? 'Please sign-in' : `Hello ${user.name}!`}</Text>

      <Button onPress={incrementCount}>+1</Button>
      <Button onPress={decrementCount}>-1</Button>
    </>
  );
};

const App: React.FC = () => {
  return (
    <PreferenceContext>
      <ProfileScreen />
    </PreferenceContext>
  );
};

export default App;

Network hooks

Responsive hooks combine some libs and some checks, according to platform and screen changes. Is usefull for pixel perfect apps that we build.

import { NetworkContext, useNetwork } from 'react-native-newestapps-hooks';

const HomeScreen: React.FC = () => {
  const network = useNetwork(); // Must be inside ResponsiveContext

  return (
    <Text>
      {network.isConnected
        ? 'You are connected to the internet'
        : 'You are offline!'}
    </Text>
  );
};

const App: React.FC = () => {
  return (
    <NetworkContext>
      <HomeScreen />
    </NetworkContext>
  );
};

export default App;

License

MIT