Generate google API Key

here are the steps to create API key

Step 1: goto https://code.google.com/apis/console

Step 2: provide your regular gmail login details(if your not login to gmail currently with same browser)

Step 3: go to Projects (left top of the window)

Step 4: click on Create Project button

Step 5: provide project name and click on create button

Step 6: Once it is done with project creation it will open Project Dashboard

Step 7: go to APIs & auth (which is left middle of the window)

Step 8: in that go to APIs

Step 9: By default it will provide you some google services by showing on Buttons with green colour

Step 10: scroll down to Browse APIs, you can on any API according to your project requirement

Step 11: go to credentials in APIs & Auth

Step 12: choose an option according to your requirement, go for public API access and click on Create new key button

Step 13: Choose device for which you want key

Step 14: provide SHA1 certificate fingerprint followed by your application package name by separating with semicolon as shown in the below screenshot

Step 15: go to eclipse, window preference

Step 16: go to android -> Build

Step 17: here you can see SHA1 certificate fingerprint, copy SHA1 key and paste in credentials window in browser and provide your application package

Step 18: Click on create button

Step 19: Now you can see API key