Where I had to configure the API key for each individual site. Looking at the documentation, it says to get a basic map working I just need this:
Where does the API key fit in? Do I need to worry about it if I just plan on using a basic map and marker and none of the more advanced functions?
I'm also testing on localhost, but the FAQ says I still need to register a key for it, which I haven't done and it still works.
As of June 22, 2016 Google Maps V3 no longer supports keyless access so you need to get a key for every (referrer-)domain which has never had a Google Map on it before.
and append it to the URL of the script like so:
If you do not provide an API key you will see this warning instead of your rendered map:
and your browser's console will tell you the reason:
Whilst it is true that V3 of the Google Maps API does not require an API key, it is there for a reason. Google recently introduced the following usage limits:
Web sites and applications using each of the Maps API may at no cost generate:
- up to 25,000 map loads per day for each API
- up to 2,500 map loads per day that have been modified using the Styled Maps feature
In order to monitor usage an API key is necessary, as the developer notes make clear:
All Maps API applications should load the Maps API using an API key. Using an API key enables you to monitor your application's Maps API usage, and ensures that Google can contact you about your application if necessary. If your application's Maps API usage by exceeds the Usage Limits, you must load the Maps API using an API key in order to purchase additional quota.
So whilst you don't need to have an API key it is useful if you want to monitor your usage and also required if you buy additional usage quota.
V3 of the Google Maps API does not require an API key. So you're good to go.
Edit: In the time since I answered this question Google released support for API keys in v3, letting you see usage of your API site in Google's developer console. The original answer is still accurate: API keys are not required, but they are now recommended.
6.Replace the YOUR_API_KEY with your own api key obtained
You can't use google maps in Android app unless you create a google map key. You need to use keytool to generate MD5 and use that to generate google map key on google map website. keytool should be located on your computer where you have sdk installed. I have generated developer google map key, and I have noticed that key is only good for developing Android app on that particular computer. If you are going to develop Android app on an another computer then you need to generate another google map key for that computer. If you don't see a google map on your Android app but rather you see a grid, this could mean that your google map key is invalid.
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