Android Application Development (AND-401) Free Practice Test

Question 1

Consider the following code:
Intent intent = new Intent(); intent.setAction(Intent.ACTION_VIEW); intent.setData(android.net.Uri.parse("http://www.androidatc.com")); startActivity(intent);
Which of the following is correct about the code above?

A. When it is executed, the system starts an intent resolution process to start the right Activity.

B. It sends a result to a new Activity in a Bundle.

C. It starts any activity in the application that has a WebView in its layout.

D. It will not compile without adding the INTERNET permission the Manifest file.

Correct Answer: A

Question 2

Which Which of the following does NOT correctly describe interface android.widget.Adapter?

A. It provides access to deprecated ListView methods.

B. It provides access to the data items.

C. It is an object that acts as a bridge between a View and underlying data for that view.

D. It is responsible for making a View for each item in the data set.

Correct Answer: A

Question 3

Which of the following best explains the Android context menus?

A. It is a popup menu displays a list of items in a vertical list that's anchored to the view that invoked the menu.

B. It is a floating menu that appears when the user performs a long-click on an element. It provides actions that affect the selected content or context frame.

C. It is a sub-menu of an options menu item.

D. It is the primary collection of menu items for an activity. It's where you should place actions that have a global impact on the app, such as "Search," "Compose email," and "Settings".

Correct Answer: B

Question 4

What does the following line of code do?
Toast toast = Toast.makeText(this,"Android ATC", Toast.LENGTH_LONG); toast.setGravity(Gravity.TOP|Gravity.RIGH, 0, 0);

A. The toast will appear on the top-right corner.

B. The toast will show the text message on top-right corner of the toast box.

C. The toast will have it UI components place on the top-right corner.

D. The toast will appear at the center of the screen at position (0,0), but aligned to the top-right corner.

Correct Answer: A

Question 5

During an Activity life-cycle, what is the first callback method invoked by the system?

A. onStart()

B. onRestore()

C. onStop()

D. onCreate()

Correct Answer: D

Question 6

How to enable JavaScript in WebView?

A. myWebView.setJavaScriptEnabled(true);

B. Java script is always enabled in WebView

C. myWebView.getJavaScriptSettings.setEnabled(true);

D. myWebView.getSettings().setJavaScriptEnabled(true);

Correct Answer: D

Question 7

Which of the following is not an Activity lifecycle call-back method?

A. onPause

B. onCreate

C. onStart

D. onBackPressed

Correct Answer: D

Question 8

Which of the following is a rule that developers must always follow when writing multi-threaded Android applications? (Choose two)

A. The UI thread must never be blocked.

B. The Android UI must not be accessed from outside the UI thread.

C. A worker thread must not be created from inside the UI thread.

D. Each UI thread must not create more than one worker thread.

Correct Answer: A,B

Question 9

What method you should override to use Android menu system?

A. onCreateMenu()

B. onCreateOptionsMenu()

C. onMenuCreated()

D. onMenuCreated()

Correct Answer: B

Question 10

Which of the following is not a valid Android resource file name?

A. mylayout1.xml

B. my_layout.xml

C. mylayout.xml

D. myLayout.xml

Correct Answer: D

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Android Application Development (AND-401) Free Practice Test