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@snowplow/react-native-tracker

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@snowplow/react-native-tracker

A library for tracking Snowplow events in React Native

  • 0.1.5
  • Source
  • npm
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@snowplow/react-native-tracker

Early Release Release License

Feedback and contributions are welcome - if you have identified a bug, please log an issue on this repo. For all other feedback, discussion or questions please open a thread on our discourse forum.

Getting started

From the root of your react-native project:

$ npm install @snowplow/react-native-tracker --save

Instrumentation

The tracker will be imported as a NativeModule. Initialise it then call the relevant tracking method:

import Tracker from '@snowplow/react-native-tracker';


Tracker.initialize({
  // required
  endpoint: 'test-endpoint',
  namespace: 'my-namespace',
  appId: 'my-app-id',

  // optional
  method: 'post',
  protocol: 'https',
  base64Encoded : true,
  platformContext : true,
  applicationContext : false,
  lifecycleEvents : false,
  screenContext : true,
  sessionContext : true,
  foregroundTimeout : 600,
  backgroundTimeout : 300,
  checkInterval : 15,
  installTracking : false
});

Tracker.trackSelfDescribingEvent({'schema': 'iglu:com.acme/hello_world_event/jsonschema/1-0-0', 'data': {'message': 'hello world'}});

Running on iOS

cd ios && pod install && cd ..

Run the app with: react-native run-ios from the root of the project.

Running on Android

react-native run-android from the root of the project.

Available methods

All methods take a JSON of named arguments.

Instantiate the tracker:


initialize({
  // required
  endpoint: 'my-endpoint.com',
  namespace: 'my-namespace',
  appId: 'my-app-id',

  // optional
  method: 'post',
  protocol: 'https',
  platformContext: true,
  base64Encoded: true,
  applicationContext: true,
  lifecycleEvents: true,
  screenContext: true,
  sessionContext: true,
  foregroundTimeout: 600,
  backgroundTimeout: 300,
  checkInterval: 15,
  installTracking: true
  }
);

Set the subject data:

Setting custom subject data is optional, can be called any time, and can be called again to update the subject. Once set, the specified parameters are set for all subsequent events. (For example, a userid may be set after login, and once set all subsequent events will contain the userid).

setSubjectData({ // All parameters optional
  userId: 'my-userId', // user id, string
  screenWidth: 123, // screen width, integer
  screenHeight: 456, // screen height, integer
  colorDepth: 20, // colour depth, integer
  timezone: 'Europe/London', // timezone, string enum
  language: 'en', // language, string enum
  ipAddress: '123.45.67.89', // IP address, string
  useragent: '[some-user-agent-string]', // user agent, string
  networkUserId: '5d79770b-015b-4af8-8c91-b2ed6faf4b1e', // network user id, UUID4 string
  domainUserId: '5d79770b-015b-4af8-8c91-b2ed6faf4b1e',// domain user id, UUID4 string
  viewportWidth: 123, // viewport width, integer
  viewportHeight: 456 // viewport height, integer
  }
);

Track a custom event:

trackSelfDescribingEvent({ // Self-describing JSON for the custom event
  'schema': 'iglu:com.acme/event/jsonschema/1-0-0',
  'data': {'message': 'hello world'}
});

Track a structured event:

trackStructuredEvent({
  // required
  category: 'my-category',
  action: 'my-action',
  // optional
  label: 'my-label',
  property: 'my-property',
  value: 50.00
  }
);

Track a Screen View:

Note - for the track Screen View method, if previous screen values aren't set, they should be automatically set by the tracker.

trackScreenViewEvent({
  screenName: 'my-screen-name', //required
  // optional:
  screenType: 'my-screen-type',
  transitionType: 'my-transition'
  }
);

Track a Page View:

trackPageViewEvent({
  pageUrl: 'https://www.my-page-url.com', // required
  //optional:
  pageTitle: 'my page title',
  pageReferrer: 'http://www.my-refr.com'
  }
);

Attaching custom contexts

All track methods take an optional second argument - an array of 0 or more self-describing JSONs for custom contexts:

trackSelfDescribingEvent({ // Self-describing JSON for the custom event
  'schema': 'iglu:com.acme/event/jsonschema/1-0-0',
  'data': {'message': 'hello world'}
  },
  [{schema: "iglu:com.acme/entity/jsonschema/1-0-0", data: {myEntityField: "hello world"}}]
);

trackStructuredEvent({// required
  category: 'my-category',
  action: 'my-action',
  // optional
  label: 'my-label',
  property: 'my-property',
  value: 50.00
  },
  [{schema: "iglu:com.acme/entity/jsonschema/1-0-0", data: {myEntityField: "hello world"}}]
);

trackScreenViewEvent({
  screenName: 'my-screen-name', //required
  // optional:
  screenType: 'my-screen-type',
  transitionType: 'my-transition'
  },
  [{schema: "iglu:com.acme/entity/jsonschema/1-0-0", data: {myEntityField: "hello world"}}]
);

trackPageViewEvent({
  pageUrl: 'https://www.my-page-url.com', //required
  // optional
  pageTitle: 'my page title',
  pageReferrer: 'http://www.my-refr.com'
  },
  [{schema: "iglu:com.acme/entity/jsonschema/1-0-0", data: {myEntityField: "hello world"}}]
);

Contributing

Please read CONTRIBUTING.md for general guidelines on contributing.

Setting up

Assuming a react-native environment is set up, the demoApp can be used to test changes, with:

# android

cd DemoApp
react-native run-android

and

# ios

cd DemoApp/ios
pod install
cd ..
react-native run-ios

Testing

Currently, testing is done manually. PRs may not be merged until an automated test framework is introduced. It is recommended to use a Snowplow Mini instance to test your changes during development.

During development, to quickly test changes, the .scripts/quickTest.sh bash script can be used, assuming the DemoApp has already been built before. This simply replaces relevant files in the node_modules folder, and re-runs react native.

# android

bash .scripts/quickTest.sh android

# ios

bash .scripts/quickTest.sh ios

# both

bash .scripts/quickTest.sh both

The .scripts/cleanBuildAndRun.sh script offers a naive way to rebuild the entire project with your changes. It uses npm pack to create an npm package locally, and installs it to the DemoApp, then it removes pod and gradle lock files and rebuilds all dependencies.

# android

bash .scripts/cleanBuildAndRun.sh android

# ios

bash .scripts/cleanBuildAndRun.sh ios

# both

bash .scripts/cleanBuildAndRun.sh both

Find out more

Technical Docs
i1
Technical Docs

Keywords

FAQs

Package last updated on 22 Mar 2021

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