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