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In Android, no matter what API you choose for working with location data, several concepts remain the same.
This section introduces Location Providers and location-related permissions.
A location-aware application needs access a device's hardware sensors to receive GPS, Wi-Fi, and cellular data.
Access is controlled through appropriate permissions in the application's Android Manifest.
The following screenshot shows the My Location button at top right and the My Location blue dot in the center of the map: You can prevent the My Location button from appearing by calling From our Terms of Service Protect user privacy,keep them informed Always inform users of how you will use their data, and don't make it possible to identify individual users.
Get user consent before using their location, and let them revoke consent at any time.
If your app supports the new permissions model and the device is running Android 6.0 (Marshmallow) or later, the user does not have to grant any permissions when they install or upgrade the app.
For more information on the Location API, please refer to the Android training class Making Your App Location Aware or the Location API Reference.
Code examples are included as part of the Google Play services SDK.
If the permission is essential for the app to function, the app can disable all its functionality and inform the user that they need to grant the permission.
The following code sample checks for permission using the Support library before enabling the My Location layer: For more code samples and best practices for Android runtime permissions, see the documentation for the Android permissions model.
When a user clicks the button, the camera centers the map on the current location of the device, if it is known.