I did it following these steps using [email protected] and react-native-maps@^0.13.1 and using [email protected] and react-native-maps@^0.15.2 at the date: Set a mapRegion object in the state, the last longitude and the last latitude as null: state = { mapRegion: null, lastLat: null, lastLong: null, } Then within your componentDidMount() function watch for each change in the … Read more
You should use the animateToRegion method (see here) It takes a region object which has latitudeDelta and longitudeDelta. Use these to set the zoom level. Updated: in a Region object the latitude and longitude specify the center location and latitudeDelta and longitudeDelta specify the span of the viewable map area. This image from this blog … Read more
I also came here because I couldn’t find any good documentation and Googling didn’t help. The following is from my own research: Only one of either latitudeDelta or longitudeDelta is ever used for calculating the size of the map. It takes the larger of the two according to the following formula and ignores the other. … Read more