Deck 10: Using Libraries and Their Apis: Speech Recognition and Maps

Question 1

The ____________ method of the Context class returns a PackageManager reference.

Answer 1

getPackageManager

Question 2

The getIntExtra method of the Intent class has this API:
Int getIntExtra( String key, int value )
What does it return?

A) The parameter value (always)
B) The value mapped to key, if there is one; otherwise, value
C) A resource id (always)
D) 0

Answer 2

The value mapped to key, if there is one; otherwise, value

Question 3

The Android framework includes a template, Google Maps Activity, that creates skeleton code to display a map.

Answer 3

True

Question 4

Using the MarkerOptions class, we can add a snippet to a marker using the ____________ method.

Question 5

A hash table is a data structure that maps keys to values; the class that encapsulates it uses generic types; the actual data types are specified at the time of ____________.

Question 6

The getStringExtra method of the Intent class has this API:
String getStringExtra( String key )
It is a String that was earlier placed in the intent and mapped to ____________.

Question 7

The ____________ class provides methods for both geocoding and reverse geocoding.

Question 8

It is possible to include a button so that when the user clicks on the button, we display the microphone for speech input.

Question 9

After we have created a SpeechRecognizer object, we call the ____________ method in order to start listening to user speech input.

Question 10

The CameraUpdateFactory has many static methods, such as zoomIn and zoomOut, which return a(n) ____________ object reference.

Question 11

In order to display a map in an app, we first need to obtain a(n) ____________ from Google.

Question 12

The Manifest.permission class includes constants to be used as values for the android:name attribute of the uses-permission element in the AndroidManifest.xml file. The constant to write to external storage is ____________.

Question 13

The Manifest.permission class includes constants to be used as values for the android:name attribute of the uses-permission element in the AndroidManifest.xml file. The constant to access the precise device location is ____________.

Question 14

What is the name of the main class that encapsulates a camera move, such as a position change, zoom level change, or both?

A) Move
B) CameraMove
C) Update
D) CameraUpdate

Question 15

The ____________ class encapsulates a location on Earth using its latitude and longitude.

Question 16

The ____________ of the OnMapReadyCallback interface is called when the map is instantiated and ready.

Question 17

It is possible to move a map programmatically, without any user interaction.

Question 18

What method of the Intent class do we call to put a value mapped to a key in an Intent?

A) put
B) putKey
C) putValue
D) putExtra

Question 19

What is not included in a CameraUpdate object?

A) Latitude
B) Longitude
C) Resource id
D) Zoom level

Question 20

Some moveCamera and animateCamera methods of the GoogleMap class accept only one parameter. What is the data type of that parameter?

A) CameraUpdate
B) LatLng
C) ZoomLevel
D) Camera

Question 21

It is possible to store an array of values mapped to a key in an Intent.

Question 22

It is possible to display a map and select its type (terrain, satellite, etc.).

Question 23

It is possible to display a map and draw a polygon on top of it.

Question 24

A marker is always positioned at the center of a map.

Question 25

__________________ is a constant from the RecognizerIntent class that we can use to start an Activity that asks the user to speak.

Question 26

__________________ is a constant from the RecognizerIntent class that we can use to start an Activity that searches the web with the user's spoken words.

Question 27

The Manifest.permission class includes constants to be used as values for the android:name attribute of the uses-permission element in the AndroidManifest.xml file. The constant to access the Internet is __________________.

Question 28

Not specifying the position of a marker or a circle when adding it to a map results in a __________________ at run time and stops the app.

Question 29

Using the MarkerOptions class, we can add a title to a marker using the __________________ method.

Question 30

The putExtra method of the Intent class has this API:
Intent putExtra( String key, String value )
It places a value in the Intent and associates it with __________________.

Question 31

The __________________ class, along with the RecognitionListener interface, both part of the android.speech package, allow us to listen to and process user speech without using a graphical user interface.

Question 32

The onBeginningOfSpeech method of the RecognitionListener interface is called when the user starts speaking; the __________________ method is called when the user stops speaking.

Question 33

The MarkerOptions class has many methods returning the MarkerOptions reference that calls them so that we can __________________ method calls.