Interview Questions.

Question 1. What Are The Google Maps Apis?

Answer :

The Google Maps APIs provide builders numerous ways of embedding Google Maps into net pages or retrieving statistics from Google Maps, and permit for either easy use or enormous customization. There are several API offerings:

Web APIs:

Google Maps JavaScript API
Google Static Maps API
Google Street View Image API
Google Maps Embed API
Web carrier APIs:

Google Maps Directions API
Google Maps Distance Matrix API
Google Maps Elevation API
Google Maps Geocoding API
Google Maps Geolocation API
Google Maps Roads API
Google Maps Time Zone API
Google Places API Web Service
Mobile APIs:

Google Maps Android API
Google Places API for Android
Google Maps SDK for iOS
Google Places API for iOS
Question 2. Which Api Do I Need?

Answer :

For assist in locating the proper API based on your functional necessities.

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Question three. What Is Api Picker?

Answer :

The API picker lists the maximum common things you can want to do on a map or with place-primarily based records, and indicates the API that maximum fits your desires.

Question four. What Countries Do The Google Maps Apis Cover?

Answer :

The Google Maps team is continuously pushing new map statistics out and increasing our international insurance. Consult the Google Maps coverage statistics for the contemporary coverage facts. You can filter the information with the filter out box at the top of the page. Please note that coverage facts can trade if licensing agreements with the data companies change.

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Question five. Can I Put Google Maps On My Site Without Using The Google Maps Apis?

Answer :

Yes. Google Maps now offers the potential to embed the map which you're viewing into your internet site or weblog, with none programming or use of the Google Maps APIs.

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Question 6. Can I Generate A Map Image Using The Google Static Maps Api Which I Store And Serve From My Website?

Answer :

You might not shop and serve copies of pics generated the usage of the Google Static Maps API from your internet site. All net pages that require static pictures have to link the src attribute of an HTML img tag or the CSS historical past-photo attribute of an HTML div tag without delay to the Google Static Maps API so that all map snap shots are displayed within the HTML content of the web web page and served at once to end customers with the aid of Google.

Question 7. What Information Is Sent To Google When I Use The Maps Javascript Api?

Answer :

When the use of the Maps JavaScript API, the following data is sent to Google:

Map size and area for retrieving map tiles and copyrights
Addresses for geocoding
Direction and Elevation requests
Locations round which to search for Places
KML while the use of KmlLayer
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Question eight. Can I Disable The Link On The Google Logo Displayed On A Maps Javascript Api Map?

Answer :

If you are the use of a patron ID with a Google Maps APIs Premium Plan license, you can use the subsequent option to eliminate the link from the Google logo proven at the map. You need to restriction utilization of this selection to instances wherein the logo link creates a terrible person revel in. (An instance is a cell app presenting a fullscreen view wherein clicking on the emblem takes the person far from the original content material of the app, without a way to go lower back.) You need to make sure that the brand and copyright observe are not hidden or blanketed up.

Map.SetOptions(passiveLogo: actual);

The brand remains seen however isn't clickable.

This option is available by default to all Premium Plan clients using a customer ID. 

Question 9. Should I Purchase The Google Maps Apis Premium Plan?

Answer :

You should buy the Google Maps APIs Premium Plan if your business or company requires any of the subsequent:

An SLA with 24-hour technical support
Ability to promote a service or product with embedded Google Maps
Ability to use Google Maps APIs for an internal application or internet site
A unique amount of quota
Ability to use Google Maps APIs (except the Places API) for asset tracking programs
Premium Plan features to be had with your existing Maps APIs for Work license
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Question 10. Why Do The Google Maps Apis Geocoders Provide Different Locations Than Google Maps?

Answer :

The API geocoder and Google Maps geocoder sometimes use specific information units (relying at the usa). The API geocoder on occasion receives up to date with new information, so that you can assume to peer outcomes converting or enhancing over time.

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Question 11. How Should I Format My Geocoder Queries To Maximise The Number Of Successful Requests?

Answer :

The geocoder is designed to map street addresses to geographical coordinates. We therefore advocate which you layout geocoder requests in accordance with the following tips to maximize the chance of a a success question:

Specify addresses in accordance with the layout used by the national postal service of the u . S . Involved.
Do not specify extra deal with factors consisting of enterprise names, unit numbers, ground numbers, or suite numbers that aren't protected within the address as described with the aid of the postal carrier of the usa worried. Doing so may additionally bring about responses with ZERO_RESULTS.
Use the road range of a premise in preference to the constructing call in which viable.
Use street variety addressing in desire to specifying go streets in which viable.
Do not offer 'pointers' such as nearby landmarks.
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Question 12. What Are The Limits On The Size And Complexity Of Kml That Can Be Displayed Using The Kmllayer Class Of The Google Maps Javascript Api?

Answer :

The size and complexity limits on the show of KML the usage of the KmlLayer elegance

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Question 13. Can I Access The Maps And Satellite Images Directly?

Answer :

You won't access the maps or satellite pix via any mechanism except the Google Maps APIs (which includes the introduction of your own mapping API or using a bulk tile download script). Your application's get admission to to the tiles can be blocked if it accesses them outside of the Google Maps APIs.

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Question 14. Which Google Maps Apis Have Usage Limits?

Answer :

Google Maps APIs are loose for a wide kind of use cases, with complimentary usage limits and predictable overage pricing for use of the standard APIs, and annual contracts available for agency deployments.

The following APIs do no longer have usage limits:

Google Maps Android API
Google Maps SDK for iOS
Google Maps Embed API
Usage limits apply to the following Maps APIs. Click the API to view its utilization limits details:

Google Maps JavaScript API
Google Static Maps API
Google Street View Image API
Google Maps Directions API
Google Maps Distance Matrix API
Google Maps Elevation API
Google Maps Geocoding API
Google Maps Geolocation API
Google Maps Roads API
Google Maps Time Zone API
Question 15. How Can I Opt Out Of Including My Content In Google Search Results?

Answer :

We are now not collecting this records. The use of the indexing parameter has been deprecated and has no effect. You now not want to choose out explicitly, but we encourage you to do away with this parameter at your earliest comfort.

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Question 16. Can I Use Screen Shots Of A Google Maps Apis Application In Printed Materials Or Offline Media?

Answer :

Use of Google Maps imagery in revealed substances and offline media is subject to the Permission Guidelines posted at:

http://www.Google.Com/permissions/geoguidelines.Html

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Question 17. Can I Use The Google Maps Apis On A Site That Is Password Protected?

Answer :

Yes, you could, even though you must seek advice from the Google Maps APIs Terms of Service earlier than using the Google Maps APIs on a password covered internet site. If customers can effortlessly join up for a password without charge or if the purpose of the password blanketed map is to beautify the publicly to be had map (ie. Administration), then your web site is possibly inside the Google Maps APIs Terms of Service.

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Question 18. Can I Use Google Maps In My Non-web Application?

Answer :

Yes, the Google Maps APIs can now be utilized in computer programs, provided that they adhere to the other regulations of the Google Maps APIs Terms of Service. Note that in order for a laptop utility to be deemed "publicly on hand", there have to be a publicly accessible webpage from which it is able to be downloaded.

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Question 19. How Are Map Loads Applied Against The Usage Limits For Google Maps Apis For Web?

Answer :

A single map load is charged while any of the subsequent occur:

A web web page or software presentations a map the usage of the Google Maps JavaScript API.
A web page or application displays a Google Street View Image API panorama using the Google Maps JavaScript API. If a Street View panorama replaces a map in the equal div element, the landscape isn't always charged.
An software requests a unmarried map photograph from the Google Static Maps API.
An application requests a single panorama photo from the Google Street View Image API.
After a web page or software loads a map, a static map photo, or a Street View panorama, any person interactions with it, inclusive of panning, zooming, or switching map layers, do now not generate extra map hundreds or affect utilization limits.
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Question 20. What Is The Maximum Number Of Markers Or Path Vertices Supported By The Google Static Maps Api?

Answer :

There is not any restrict to the number of markers or course vertices supported by way of the Google Static Maps API. When the usage of custom icons, up to 5 specific icons may be specific in line with request, however every can be used more than one instances in the map.

Note that Google Static Maps API URLs can comprise a maximum of about 2,000 characters which constrains the range of markers and course vertices that can be certain based totally on the range of decimal locations used while specifying every latitude/longitude pair.

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Question 21. Can I Print Maps From The Javascript Api?

Answer :

Printing from the JavaScript API is not supported. This is due to the fact printing support is inconsistent across normally used browsers. We suggest the use of the Static Maps API for printing functions.

Question 22. Why Can't I Access Google Maps Apis From China?

Answer :

The Google Maps APIs are served inside China from the domain maps.Google.Cn. This domain does not assist https. When making requests to the Google Maps APIs from China, please replace https://maps.Googleapis.Com with http://maps.Google.Cn.

For instance:

https://maps.Googleapis.Com/maps/api/geocode/json?Cope with=1600+Amphitheatre+Parkway,+Mountain+View,+CA

could turn out to be:

http://maps.Google.Cn/maps/api/geocode/json?Cope with=1600+Amphitheatre+Parkway,+Mountain+View,+CA

The Google Maps JavaScript API may be loaded with the following bootstrap:
<script src="http://maps.Google.Cn/maps/api/js?Key=YOUR_API_KEY"
type="text/javascript">
</script>

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