Mobile Technologies

Mobile Technologies - Upwork

Question: What does the following code do?public boolean isOnline() {
   ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
   NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
   return (networkInfo != null && networkInfo.isConnected());
}
Achecking Network connection.

Bchecking only WIFI network connectivity.

Cchecking only Bluetooth data connection.

Dchecking only Ethernet data connection

Note: Not available

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Question: Which of the following statements are correct with regards to running of the Sync Adapter? A) Running sync adapter in response to a user request. B) Running sync adapter periodically by setting a period of time to wait between runs, or by running it at certain times of the day, or both.
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.

Note: Not available
1. Report
Question: Which of the following statements are correct with regards to calling place GoogleAuthUtil.getToken()? A) call getToken() on the UI thread B) call getToken() on AsyncTask
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.

Note: Not available
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Question: Which of the following protocols are provided by Google for GCM Connection Servers? A) HTTP B) XMPP C) SOAP D) RMI
A
A and B

B
A, B, C

C
C, D

D
All of these

Note: Not available
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Question: Which of the following 4 classes does not relate to others? ApplicationInfo, SyncInfo, ActivityInfo, PackageInfo
A
ApplicationInfo

B
SyncInfo

C
ActivityInfo

D
PackageInfo

Note: Not available
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Question: Which of the following are valid ways to deploy an Android application to a device?
A
Using the "adb install /path/to/apk" command from the command prompt/terminal, when USB Debugging Mode is enabled in the device.

B
Exporting and signing the package, then browsing it to install.

C
Launching the application from an IDE, when USB Debugging Mode is enabled in the device.

D
All

Note: Not available
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Question: Which of the following classes is not used in working with database?
A
SQLiteOpenHelper

B
SQLiteDatabase

C
ContentProvider

D
DatabaseHelper

Note: Not available
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Question: Consider the XML fragment below, which is taken from one of the files in an Android project:
<MyElement xmlns:"http://schemas.androd.com/apk/res/android" android:layout_width = "fill_parent" android:layout_height = "fill_parent" android:text = "Some Text"> </MyElement>
Which of the following are true about the XML fragment above?
A
It is taken from the manifest XML file of the Android project.

B
It is taken from an XML file used to define a view.

C
It is taken from the package file (.apk) of the Android project.

D
The xmlns: attribute is a compulsory attribute.

E
If this is not the outer most tag in the XML file then it need not contain the xmlns: attribute.

F
MyElement should be the name of a class derived, directly or indirectly, from the View class.

Note: Not available
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Question: Which of the following statement is correct regarding StrictMode?
A
StrictMode detects improper layouts

B
StrictMode detects operation which blocks UI

C
StrictMode detects the speed of the connection

D
All

Note: Not available
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Question: Consider the code snippet below:
MediaPlayer mp = new MediaPlayer(); mp.setDataSource(PATH_TO_FILE); <Some code here> mp.start();
Which of the following should be placed at <Some code here>?
A
mp.prepare();

B
mp.prepareAsync();

C
mp.loadMedia();

D
mp.loadSource();

E
mp.loadSource(); mp.prepare();

F
No code is required at <Some code here> to start playback.

Note: Not available
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Question: What does the following code do?
public boolean isOnline() { ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connMgr.getActiveNetworkInfo(); return (networkInfo != null && networkInfo.isConnected()); }

Question: Which of the following statements are correct with regards to running of the Sync Adapter? A) Running sync adapter in response to a user request. B) Running sync adapter periodically by setting a period of time to wait between runs, or by running it at certain times of the day, or both.

Question: Which of the following statements are correct with regards to calling place GoogleAuthUtil.getToken()? A) call getToken() on the UI thread B) call getToken() on AsyncTask

Question: Which of the following protocols are provided by Google for GCM Connection Servers? A) HTTP B) XMPP C) SOAP D) RMI

Question: Which of the following 4 classes does not relate to others? ApplicationInfo, SyncInfo, ActivityInfo, PackageInfo

Question: Which of the following are valid ways to deploy an Android application to a device?

Question: Which of the following classes is not used in working with database?

Question: Which of the following statement is correct regarding StrictMode?

Question: Consider the code snippet below:
MediaPlayer mp = new MediaPlayer(); mp.setDataSource(PATH_TO_FILE); <Some code here> mp.start();
Which of the following should be placed at <Some code here>?

Question: What does the following code do?public boolean isOnline() { ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connMgr.getActiveNetworkInfo(); return (networkInfo != null && networkInfo.isConnected()); }

Question: Which of the following statements are correct with regards to running of the Sync Adapter? A) Running sync adapter in response to a user request. B) Running sync adapter periodically by setting a period of time to wait between runs, or by running it at certain times of the day, or both.

Question: Which of the following statements are correct with regards to calling place GoogleAuthUtil.getToken()? A) call getToken() on the UI thread B) call getToken() on AsyncTask

Question: Which of the following protocols are provided by Google for GCM Connection Servers? A) HTTP B) XMPP C) SOAP D) RMI

Question: Which of the following 4 classes does not relate to others? ApplicationInfo, SyncInfo, ActivityInfo, PackageInfo

Question: Which of the following are valid ways to deploy an Android application to a device?

Question: Which of the following classes is not used in working with database?

Question: Which of the following statement is correct regarding StrictMode?

Question: Consider the code snippet below:MediaPlayer mp = new MediaPlayer(); mp.setDataSource(PATH_TO_FILE); <Some code here> mp.start(); Which of the following should be placed at <Some code here>?

Question: What does the following code do?
public boolean isOnline() { ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connMgr.getActiveNetworkInfo(); return (networkInfo != null && networkInfo.isConnected()); }

Question: Consider the code snippet below:
MediaPlayer mp = new MediaPlayer(); mp.setDataSource(PATH_TO_FILE); <Some code here> mp.start();
Which of the following should be placed at <Some code here>?