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@lifeomic/react-native-sdk

v12.7.0

Published

React-native components for building a mobile app against the LifeOmic Platform

Downloads

661

Readme

React Native SDK

npm Build Status Coverage Status

React-native hooks, components, screens, and utilities for building a mobile app against the LifeOmic Platform.

Getting started using the SDK

Start with your own RN app, or clone @lifeomic/react-native-starter as a starting point.

  • yarn add @lifeomic/react-native-sdk
  • Install peer dependencies listed in package.json
  • yarn pod-install

See example/AppDemo.tsx for simple usage, which could be as simple as:

import React, { FC } from 'react';
import { authConfig } from './authConfig';
import { RootProviders, LoggedInStack } from '@lifeomic/react-native-sdk';

export default function App() {
  return (
    <RootProviders account="myaccount" authConfig={authConfig}>
      <LoggedInStack />
    </RootProviders>
  );
}

:warning: The OAuth client in the example/config.example.ts file may not be used beyond demonstration purposes. You will need to contact us to request an OAuth client for your account.

Custom app tile screens

import React, { FC } from 'react';
import { authConfig } from './authConfig';
import { MyCustomScreen } from './src/MyCustomScreen';
import { RootProviders, LoggedInStack } from '@lifeomic/react-native-sdk';

export default function App() {
  return (
    <DeveloperConfigProvider
      developerConfig={{
        appTileScreens: {
          'https://mydomain.com/mobile-app-tiles/my-app-tile': MyCustomScreen,
        },
      }}
    >
      <RootProviders account="myaccount" authConfig={authConfig}>
        <LoggedInStack />
      </RootProviders>
    </DeveloperConfigProvider>
  );
}

Simple custom theme via one color

import React, { FC } from 'react';
import { authConfig } from './authConfig';
import { RootProviders, LoggedInStack } from '@lifeomic/react-native-sdk';

export default function App() {
  return (
    <DeveloperConfigProvider
      developerConfig={{
        simpleTheme: {
          primaryColor: '#fb5607',
        },
      }}
    >
      <RootProviders account="myaccount" authConfig={authConfig}>
        <LoggedInStack />
      </RootProviders>
    </DeveloperConfigProvider>
  );
}

Inject custom screens to the root stack

1- Define your own custom screens.

import React from 'react';
import { StyleSheet, Text, Button } from 'react-native';
import { HomeStackParamList } from '@lifeomic/react-native-sdk';
import { useNavigation } from '@react-navigation/native';
import { NativeStackNavigationProp } from '@react-navigation/native-stack';
import type { RouteProp } from '@react-navigation/native';

type CustomHomeStackParamsList = HomeStackParamList & {
  'CustomHomeScreen/Users': undefined;
  'CustomHomeScreen/UserDetails': { userId: string };
};

type UserDetailsScreenNavigationProp = NativeStackNavigationProp<
  CustomHomeStackParamsList,
  'CustomHomeScreen/Users'
>;

type UserDetailsScreenRouteProp = RouteProp<
  CustomHomeStackParamsList,
  'CustomHomeScreen/Users'
>;

export const UsersScreen = () => {
  const navigation = useNavigation<UserDetailsScreenNavigationProp>();
  const route = useRoute<UserDetailsScreenRouteProp>();

  return (
    <>
      <Text>Users</Text>
      <Button
        title="Navigate to the user details screen"
        onPress={() =>
          navigation.navigate('CustomHomeScreen/UserDetails', { userId: '123' })
        }
      />
    </>
  );
};

2- Add your custom screens to the Home navigation stack.

import React, { FC } from 'react';
import { authConfig } from './authConfig';
import { RootProviders, LoggedInStack } from '@lifeomic/react-native-sdk';
import { UserDetailsScreen, UsersScreen } from './screens';

export default function App() {
  return (
    <DeveloperConfigProvider
      developerConfig={{
        getAdditionalHomeScreens: (HomeStack) => {
          return [
            <HomeStack.Screen
              name="CustomHomeScreen/Users"
              component={UsersScreen}
            />,
            <HomeStack.Screen
              name="CustomHomeScreen/UserDetails"
              component={UserDetailsScreen}
            />,
          ];
        },
      }}
    >
      <RootProviders account="myaccount" authConfig={authConfig}>
        <LoggedInStack />
      </RootProviders>
    </DeveloperConfigProvider>
  );
}

Custom Home screen

const CustomHomeScreen = () => {
  const navigation = useNavigation<CustomHomeScreenNavigationProp>();
  const route = useRoute<UserDetailsScreenRouteProp>();

  return (
    <View>
      <Text>Custom Home Screen</Text>
    </View>
  );
};

function App() {
  return (
    <DeveloperConfigProvider
      developerConfig={{
        CustomHomeScreen,
      }}
    >
      <RootProviders account="myaccount" authConfig={authConfig}>
        <LoggedInStack />
      </RootProviders>
    </DeveloperConfigProvider>
  );
}

Custom Login Screen

1- Define your custom login screen

import React, { useCallback } from 'react';
import { useOAuthFlow } from '@lifeomic/react-native-sdk';
import { Text, View, Button } from 'react-native';
import { AuthorizeResult } from 'react-native-app-auth';

const CustomLoginScreen = () => {
  const { login } = useOAuthFlow();

  const onLoginPress = useCallback(() => {
    login({
      onSuccess: (result: AuthorizeResult) => {
        console.log('Login Success', result);
      },
      onFail: (error) => {
        console.log('Login Fail', error);
      },
    });
  }, [login]);

  return (
    <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
      <Text>Custom Login Screen</Text>
      <Button onPress={onLoginPress} title="Login" />
    </View>
  );
};

2- Pass in your custom login screen to the DeveloperConfigProvider

import React, { FC } from 'react';
import { authConfig } from './authConfig';
import { RootProviders, LoggedInStack } from '@lifeomic/react-native-sdk';

export default function App() {
  return (
    <DeveloperConfigProvider
      developerConfig={{
        renderCustomLoginScreen: () => <CustomLoginScreen />,
      }}
    >
      <RootProviders account="myaccount" authConfig={authConfig}>
        <LoggedInStack />
      </RootProviders>
    </DeveloperConfigProvider>
  );
}

onAppSessionStart

onAppSessionStart is a function that is invoked when a new logged-in app session starts (user sign-in/sign-up, app refresh, etc.). It can be used for analytics purposes, checking subscription status, etc.

onAppSessionStart is invoked with an object containing a resumeAppSession. The app session will be paused until resumeAppSession is invoked. Other params are also passed, such as activeSubjectId.

import React, { FC } from 'react';
import { authConfig } from './authConfig';
import {
  RootProviders,
  LoggedInStack,
  OnAppSessionStartParams,
} from '@lifeomic/react-native-sdk';

export default function App() {
  const onAppSessionStart = async ({
    resumeAppSession,
    activeProject,
    activeSubjectId,
  }: OnAppSessionStartParams) => {
    // track app session start metric
    await trackAppSessionStart();
    resumeAppSession();
  };

  return (
    <DeveloperConfigProvider
      developerConfig={{
        onAppSessionStart,
      }}
    >
      <RootProviders account="myaccount" authConfig={authConfig}>
        <LoggedInStack />
      </RootProviders>
    </DeveloperConfigProvider>
  );
}

Customizing the Default Login Screen with a Native View

The default login screen adds a long button to a native view with the name RNTLaunchScreen.

1- To define an iOS launch screen, use an existing Storyboard, or create a new one, and then create a module according to the official docs that creates an RNTLaunchScreen native view.

Example creating the native view for the LaunchScreen storyboard (RNTLaunchScreen.m):

#import <React/RCTViewManager.h>

@interface RNTLaunchScreen : RCTViewManager
@end

@implementation RNTLaunchScreen

RCT_EXPORT_MODULE(RNTLaunchScreen)

- (UIView *)view
{
  UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"LaunchScreen" bundle:nil];
  UIViewController *controller = [storyboard instantiateInitialViewController];

  [controller.view setAutoresizingMask:UIViewAutoresizingFlexibleWidth &
                                      UIViewAutoresizingFlexibleHeight];

  return controller.view;
}

@end

2- To define an android launch screen, use an existing View, or create a new one, and then create a module according to the official docs that registers an RNTLaunchScreen native view with the application.

Example creating a launch screen view from a layout and then registering the launch screen ReactPackage with the ReactApplication:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:layout_gravity="center_horizontal"
    android:background="#FFFFFF"
    android:weightSum="1">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight=".30"
        android:gravity="bottom|center"
        android:text="example"
        android:textColor="#000000"
        android:textSize="35dp"
        android:textStyle="bold" />

    <TextView
        android:id="@+id/subtitle"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight=".64"
        android:gravity="bottom|center"
        android:textSize="16dp"
        android:textColor="#000000"
        android:text="Powered by React Native" />
</LinearLayout>
package com.example;

import com.facebook.react.ReactPackage;
import com.facebook.react.bridge.NativeModule;
import com.facebook.react.uimanager.SimpleViewManager;
import com.facebook.react.uimanager.ThemedReactContext;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.uimanager.ViewManager;
import android.view.View;
import java.util.Arrays;
import java.util.List;

public class RNTLaunchScreen extends SimpleViewManager<View> implements ReactPackage {
    public static final String REACT_CLASS = "RNTLaunchScreen";

    @Override
    public String getName() {
        return REACT_CLASS;
    }

    @Override
    public View createViewInstance(ThemedReactContext context) {
        return View.inflate(context, R.layout.splash_screen, null);
    }

    @Override
    public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
        return Arrays.<ViewManager>asList(new RNTLaunchScreen());
    }

    @Override
    public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
        return Arrays.<NativeModule>asList();
    }
}
package com.example;

import android.app.Application;
import com.facebook.react.PackageList;
import com.facebook.react.ReactApplication;
import com.facebook.react.ReactNativeHost;
import com.facebook.react.ReactPackage;
import com.facebook.react.defaults.DefaultReactNativeHost;
import java.util.List;
import com.example.RNTLaunchScreen;

public class MainApplication extends Application implements ReactApplication {

  private final ReactNativeHost mReactNativeHost =
      new DefaultReactNativeHost(this) {
        @Override
        protected List<ReactPackage> getPackages() {
          List<ReactPackage> packages = new PackageList(this).getPackages();
          packages.add(new RNTLaunchScreen());
          return packages;
        }
      };

  @Override
  public ReactNativeHost getReactNativeHost() {
    return mReactNativeHost;
  }
}

Peer dependencies

We may have more peer dependencies than is typical. We have run into a number of issues with multiple libraries fighting over dependency versions, so we want to put you in control of managing which version is used in your app. This also keeps you more informed about the libraries utilized under the covers.

If you are a LifeOmic customer, building a mobile app, and see a dependency in this SDK that you feel should be a peer dependency, contact us.

Component demos

Example apps

The example app/folder contains storyboard component stories as well as a full app demonstration. See below for how to toggle between the two apps, which are both served from the example folder.

Build and run the storybook example app

  • Clone this repo locally and cd into the project folder
  • cd example
  • cp config.example.ts config.ts
  • yarn install
  • yarn pod-install
  • npx react-native start
  • type i or a to run on either platform

(Optional) Navigate storybook via the web

Sometimes the in-app UI for viewing storybook actions and manipulating knobs can be cumbersome. If you have a lot of JSON to manipulate within a knob, for example, you might consider controlling the mobile app UI from the web. You can do so following these steps:

  • cd example
  • yarn web-controls
  • Now, as you navigate components in the web app that just launched, the mobile app UI is updated.

NOTE: If you don't see a components tree on the left, you may need to reload the mobile app UI.

Build and run the full app demo app

  • Run the example app as storybook first (previous section)
  • Open example/config.ts and set useDemoApp to 'true'
  • npx react-native start (from example folder)
  • type i or a to run on either platform

Development

To try out changes to this codebase in the starter app, run:

yarn copyToStarter

Or in your own app, run:

yarn copyToProject my-custom-project

Push Notifications for Android and Firebase services Integration Guide

Push notifications require react-native-notifications and Firebase services. To integrate with your example app, follow the steps below:

1. Add google-services.json

Please bring in your own google-services.json file and add it to the appropriate location in your project. The google-services.json file is required for Firebase services to work correctly.

Make sure to follow the Firebase documentation to obtain the google-services.json file specific to your Firebase project.

Generate the Apple Push Notification service (APNs) certificate

In order to receive push notifications on iOS, you will need to generate an APNs certificate. Please follow these steps to generate the certificate.

4. Add Firebase Cloud Messaging (FCM) Server Key

LifeOmic uses Firebase Cloud Messaging (FCM) to send push notifications to Android devices. AWS expects the Firebase Server key, which is part of the now-deprecated Cloud Messaging API. As of the time of this writing, the only known solution is to enable the Cloud Messaging API in Firebase under project -> Project Settings -> General -> Cloud Messaging API -> Manange -> Enable. Refreshing the Project Settings page should reveal the Server key.

Gotchas

Android login not working locally

This can show itself with an "Invariant Violation" or "Invalid ID Token" error. Or if no onFail is provided, nothing happens visually when tapping the login button.

Try "wipe data" on the emulator and retrying. Sometimes the emulator clock gets messed up so bad that the OAuth flow fails.

Cached IdP login due to cookies

We'll want to require react-native-app-auth 7.0 as soon as it's fully released. We currently utilize the /logout endpoint to alleviate much of this issue, but using prefersEphemeralSession will be a better solution.

Upgrading

For specific guidance on upgrading between versions of this SDK, see the upgrade guide.