How to call/run method when view get completely Loaded

[robinyo]

@tonystark007

map should be loaded first

I use a MapsApiLoaderService.

See:

• angular - How to load google maps api asynchronously in Angular2 - Stack Overflow
• https://github.com/SebastianM/angular-google-maps/blob/master/packages/core/services/maps-api-loader/lazy-maps-api-loader.ts