OA0-002 Online Practice Questions and Answers

Which configuration file holds the permission to use GPS?

A. Layout file

B. Manifest file

C. Source file

D. Property file

Which ContentProvider does Android not provide as a standard?

A. A telephone log

B. A database

C. A bookmark

D. A contact list

Which of these is the incorrect method setup when playing a video using a MediaPlayer?

A. setDataSource sets the path for the data you want to play.

B. setDisplay sets the SurfaceView object you want to associate.

C. setAudioStreamType sets the type, chosen from those defined in AudioManager.

D. setLooping sets the player repeat to ON/OFF.

Which of these is the incorrect explanation of the Android SDK and AVD Manager?

A. They are provided from version 1.6 of the SDK. Up to Version 1.5, there was an AVD Manager but it lacked SDK management functions.

B. You can create and startup AVD, and on startup you can delete user data up to that point.

C. The "android" command can be used if "/tools" is added to the command path.

D. The development tools that can be downloaded from Android SDK and AVD Manager are SDK- platform, NDK-platform, emulator images, and USB drivers for handsets.

The emulator supports mounting disk image files instead of an actual SD card. Which is the correct creation method of this?

A. mksdcard-l 2048 mysd.img

B. mksdcard -create -I mysd 2048 mysd.img

C. mksdcard -create -I mysd 2GB mysd.img

D. mksdcard-l mysd 2048MB mysd.img

Which class is not included in the android.net package?

A. ConnectivityManager

B. WifiManager

C. Proxy

D. Networklnfo

Which will be displayed in TextView01 when executing the following code?

A. "Hello World" will be displayed.

B. "Hello" will be displayed.

C. It is undetermined which will be displayed, "Hello World" or "Hello".

D. A runtime exception will be thrown.

This class extends the View class and overrides the onDraw method. Which of the following will be displayed when executing the source code? (Assume the screen size is 480x320.)

A. Exhibit A

B. Exhibit B

C. Exhibit C

D. Exhibit D

Which operation is required when debugging on a handset through the network using the Android Debug Bridge(adb)?

A. Set the port number to be used as5554.

B. Specify the handset's IP address as an adb startup option.

C. Set the environmental variable ADBHOST as the handset's IP address.

D. Check "Allow ADB debug connection" on the handset settings.

The following JNIProb.java has been compiled, and the javah command has been run to create the header file JNIProb.h. Which is the correct code that goes into (1) of the C/C++ source file JNIProb.c created in this way?

A. int JNICALL Java_JNIProb_add(JNIEnv*env, jobject o, inta, intb)

B. jint JNICALL Java_JNIProb_add(JNIEnv*env, jobject o, jint a, jint b)

C. jint JNICALL add(JNIEnv *env. jobject o. int a. int b)

D. jint JNICALL addfJNIEnv *env, jobject o. jint a. jint b)