Mobile Technologies

Mobile Technologies - Upwork

Question: Which of the following is the best way to request user permission if an Android application receives location updates from both NETWORK_PROVIDER and GPS_PROVIDER?
A
Adding this line to the Android manifest file: <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

B
Adding these two lines to the Android manifest file: <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

C
Adding this line to the Android manifest file: <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

D
Adding this line to the Android manifest file: <uses-permission android:name="android.permission.CONTROL_LOCATION_UPDATES" />

Note: Not available
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Question: Which of the following are true about PhoneStateIntentReceiver.notifyPhoneCallState?
A
notifyPhoneCallState has to be called if your application wishes to receive a notification about an incoming phone call.

B
notifyPhoneCallState is a call back function that is called when the call state changes.

C
notifyPhoneCallState is called to initiate a call from the device.

D
notifyPhoneCallState is used to send notifications about call states.

E
notifyPhoneCallState gets called when the device receives an incoming phone call.

Note: Not available
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Question: Which of the following statements are correct with regards to Content Providers? A) A content provider allows applications to access data. B) A content provider must be declared in the AndroidManifest.xml file.
A
Statement A is true, while Statement B is false.

B
Statement B is true, while Statement A is false.

C
Both statements are true.

D
Both statements are false.

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Question: Which of the following functions will return all available Content Providers?
A List<ProviderInfo> returnList = new ArrayList<ProvderInfo>(); 
for (PackageInfo pack : getPackageManager().getInstalledPackages(PackageManager.GET_PROVIDERS)) { ProviderInfo[] providers = pack.providers; 
 if (providers != null) { 
  returnList.addAll(Arrays.asList(providers));
 }
} 
return returnList;

B return getContext().getPackageManager().queryContentProviders("com.google", Process.myUid(), 0);

C List<ActivityInfo> returnList = new ArrayList<ActivityInfo>(); 
for (PackageInfo pack : getPackageManager().getInstalledPackages(PackageManager.GET_RECEIVERS)) { ActivityInfo[] providers = pack.receivers; 
 if (providers != null) { 
  returnList.addAll(Arrays.asList(providers)); 
 } 
} 
return returnList;

DNone

Note: Not available

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Question: What is the purpose of the ContentProvider class?
A
To play rich media content files.

B
To create and publish rich media files.

C
To share data between Android applications.

D
To access the global information about an application environment.

E
To maintain global application state.

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Question: Which of the following is the immediate base class for Activity and Service classes?
A
Application

B
ApplicationContext

C
Context

D
Component

E
Object

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Question: Which of the following are classes that can be used to handle the Bluetooth functionality on a device?
A
Adapte

B
Manage

C
Matche

D
BluetoothAdapte

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Question: How many expansion files can an APK file have? Select all correct options.
A
one

B
two

C
three

D
four

Note: Not available
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Question: Which of the following are Android build modes?
A
Debug mode

B
Release mode

C
Production mode

D
Development mode

Note: Not available
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Question: What is "Android-dx"?
A
A command line tool to create Android project files.

B
A framework to create unit tests for Android projects.

C
A resource editor to create user interface for Android applications.

D
A tool to generate Android byte code from .class files.

E
An emulator to execute and debug Android projects.

Note: Not available
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Question: Which of the following is the best way to request user permission if an Android application receives location updates from both NETWORK_PROVIDER and GPS_PROVIDER?

Question: Which of the following are true about PhoneStateIntentReceiver.notifyPhoneCallState?

Question: Which of the following statements are correct with regards to Content Providers? A) A content provider allows applications to access data. B) A content provider must be declared in the AndroidManifest.xml file.

Question: Which of the following functions will return all available Content Providers?

Question: What is the purpose of the ContentProvider class?

Question: Which of the following is the immediate base class for Activity and Service classes?

Question: Which of the following are classes that can be used to handle the Bluetooth functionality on a device?

Question: How many expansion files can an APK file have? Select all correct options.

Question: Which of the following are Android build modes?

Question: What is "Android-dx"?