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61 lines
2.3 KiB
61 lines
2.3 KiB
# Flutter Maps Firestore
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A Flutter sample app that shows the end product of the Cloud Next '19 talk
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[Build Mobile Apps With Flutter and Google Maps](https://www.youtube.com/watch?v=RpQLFAFqMlw).
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The live coding starts at about 17:40.
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## Goals for this sample
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* Showcase how to build an app that uses Google Maps with Flutter:
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* Loading a list of Ice Cream shops from Cloud Firestore
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* Listing the shops in a custom carousel
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* Showing the shop locations on a map using Markers
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* Controlling the Google Map from the carousel
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## The important bits
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### Cloud Firestore
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To set up Cloud Firestore connectivity, follow the steps outlined in the
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[Cloud Firestore package setup section](https://pub.dev/packages/cloud_firestore#setup).
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Next, you need to populate your Cloud Firestore with a collection named `ice_cream_stores`,
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structured a bit like this:
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```
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ice_cream_stores:
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ChIJ70taCKKAhYAR5IMmYwQT4Ts:
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placeId: ChIJ70taCKKAhYAR5IMmYwQT4Ts
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address: 432 Octavia St #1a, San Francisco, CA 94102, USA
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location: 37.7763629, -122.4241918
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name: Smitten Ice Cream
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```
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The collection name is referenced from `_HomePageState`'s `initState` method. The
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`placeId`, `address`, `location` and `name` are used at various points in the widget
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tree to render appropriate data.
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### Google Maps
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You need to add a Google Maps SDK for iOS API key to `ios/Runner/AppDelegate.m`.
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This enables the Google Map to render. You will also need to add a Google Maps
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Web Services API key to `lib/api_key.dart`.
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To reiterate the warning that we gave during the talk, do not put Web Service API keys
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in your production binary. You need to build a proxy service to serve
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pre-authenticated content to your mobile applications so you can change API keys as
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required. We only did this to make it easy to demonstrate on stage.
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## Questions/issues
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If you have a general question about building with Google Maps in Flutter, the
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best places to go are:
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* [The FlutterDev Google Group](https://groups.google.com/forum/#!forum/flutter-dev)
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* [The Flutter Gitter channel](https://gitter.im/flutter/flutter)
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* [StackOverflow](https://stackoverflow.com/questions/tagged/flutter)
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If you run into an issue with the sample itself, please file an issue
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in the [main Flutter repo](https://github.com/flutter/flutter/issues).
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