Deck 11: Using the Gps and Location Services

Question 1

For an app to retrieve the location of a device using its GPS, it needs to access Google Play services.

Answer 1

True

Question 2

What file must be edited in order to include Google Play services in the compilation process?

A) MainActivity
B) AndroidManifest.xml
C) build.gradle
D) gradle

Answer 2

build.gradle

Question 3

The ____________ method of the Location class returns the longitude of a Location object.

Answer 3

getLongitude

Question 4

In what units does the getAccuracy method of the Location class return the accuracy of a Location object?

A) Miles
B) Kilometers
C) Meters
D) Feet

Question 5

Inside the AndroidManifest.xml file, what String constant of the Manifest.permission class can be used to specify an approximate location?

A) ACCESS_COARSE_LOCATION
B) ACCESS_FINE_LOCATION
C) ACCESS_PRECISE_LOCATION
D) ACCESS_CLOSE_LOCATION

Question 6

The startResolutionForResult method of the ConnectionResult class throws an exception.

Question 7

Several methods of the GoogleApiClient.Builder class return the GoogleApiClient object reference that called them so that method calls can be ____________.

Question 8

What method of the GoogleApiClient class do we call to close the connection with Google Play services?

A) close
B) stop
C) disconnect
D) quit

Question 9

The ____________ method of the LocationRequest class sets the priority level of the request for location updates.

Question 10

What is the name of the only method of the LocationListener interface?

A) onMoved
B) onLocationChanged
C) onChanged
D) locationChanged

Question 11

ConnectionCallbacks provides callback methods that are automatically called when we ____________ or are disconnected from the Google Play service.

Question 12

OnConnectionFailedListener provides a callback method that is automatically called if the connection attempt failed.

Question 13

One of the two methods of ConnectionCallbacks is onConnectionSuspended. What is the name of its other method?

A) onConnected
B) onSuspending
C) onSuspended
D) connect

Question 14

To call the requestLocationUpdates method, we need a FusedLocationProviderApi object reference. How can we get one?

A) FusedLocationProviderApi flpa = LocationServices.FusedLocationApi;
B) FusedLocationProviderApi flpa = LocationServices;
C) FusedLocationProviderApi flpa = FusedLocationApi;
D) FusedLocationProviderApi flpa = API;

Question 15

To get a GoogleApiClient reference, we can use the GoogleApiClient constructor.

Question 16

The LocationListener interface is part of the com.google.android.gms.location package.

Question 17

The Location class includes the getElapsedRealtimeNanos method, which returns the time since the last boot in nanoseconds, so we can compare the time between two location updates if we want to.

Question 18

Once location updates have been requested, it is not possible to stop them.

Question 19

The ConnectionCallbacks and OnConnectionFailedListener are static inner __________________ of the GoogleApiClient class.

Question 20

The __________________ method of the FusedLocationProviderApi interface returns the current location of the device as a Location reference.

Question 21

The __________________ method of the LocationRequest class sets the minimum distance between consecutive updates.