أسئلة و أجوبة

QUESTION NO: 21

Which approval is necessary to execute Bluetooth actions such as connection requests,
connection receipt, and data forwarding?

A. BLUETOOTH
B. BLUETOOTH_ADMIN
C. ACCESS_WIFI_STATE
D. ACCOUNT MANAGER

Answer: A
Explanation:

QUESTION NO: 22

Which class is used when a sensor is accessed?

A. SensorEventListener
Android OA0-002 Exam
10B. SensorEvent
C. SensorManager
D. Sensor

Answer: C
Explanation:

QUESTION NO: 23

Which of these is the incorrect explanation of the Toast class?

A. Toast is a simple class for display, <a href=”http://www.itbibles.com/sy0-401.html”>sy0-401 pdf</a> and cannot be set with a custom XML-defined layout
B. The display duration time of Toast can be chosen from 2 types, LENGTHJjDNG and
LENGTH_SHORT.
C. Toast is a class included in the android widget package.
D. Since Toast automatically closes after display, a dismiss () method is not provided.

Answer: A
Explanation: