Android AND-401 Online Practice Questions and Exam Preparation

Android AND-401 Online Questions & Answers

• Question 51:

  What is the second layer from top called in the following diagram of Android's Architecture Exhibit:

  

  A. Applications layer.
  B. Application framework.
  C. Linux kernel.
  D. Android runtime.
  B. Application framework.

• Question 52:

  When publishing an update to your application to the market, the following must be taken into consideration:

  A. The package name must be the same, but the .apk may be signed with a different private key.
  B. The package name does not have to be the same and the .apk can be signed with a different private key.
  C. The package name must be the same and the .apk must be signed with the same private key.
  D. The package name does not have to be the same, but the .apk must be signed with the same private key.
  C. The package name must be the same and the .apk must be signed with the same private key.

• Question 53:

  Which of the following is NOT true about the MenuItem interface?

  A. The MenuItem instance will be returned by the Menu class add(...) method.
  B. MenuItem can decide the Intent issued when clicking menu components.
  C. MenuItem can display either an icon or text.
  D. MenuItem can set a checkbox.
  B. MenuItem can decide the Intent issued when clicking menu components.

• Question 54:

  Which of the following is a valid sequence of invokes to Activity lifecycle methods? (Choose two)

  A. onCreate > onStart > onResume > onPause> onStop> onCreate
  B. onCreate > onStart > onResume > onPause> onStop>onRestart
  C. onCreate > onStart > onResume > onPause> onStop>onDestroy
  D. onCreate > onStart > onResume > onPause> onStop>onResume
  B. onCreate > onStart > onResume > onPause> onStop>onRestart
  C. onCreate > onStart > onResume > onPause> onStop>onDestroy

• Question 55:

  Which of the following lines of code is used to pass a value to the next activity?

  A. Intent i = new Intent(this,newActivity);
  B. addExtra("test");startActivity(i);
  C. Intent i = new Intent(this,newActivity);
  D. putValue("test");startActivity(i);
  E. Intent i = new Intent(this,newActivity);
  F. putValue("value1","test");startActivity(i);
  G. Intent i = new Intent(this,newActivity);
  H. putExtra("value1","test");startActivity(i);
  D. putValue("test");startActivity(i);

• Question 56:

  Which of the following is required to allow the Android Developer Tools to interact with your view?

  A. Provide a constructor that takes a Context and an AttributeSet object as parameters.
  B. Provide a constructor that takes a Context object as parameter.
  C. Extend class View.
  D. Override method onDraw() of class View.
  A. Provide a constructor that takes a Context and an AttributeSet object as parameters.

• Question 57:

  The DalvikVM core libraries are a subset of which of the following?

  A. Java ME
  B. Java SE
  C. Java EE
  D. JAX-WS
  B. Java SE

• Question 58:

  What does the following line of code achieve?

  Intent intent = new Intent(FirstActivity.this, SecondActivity.class );

  A. Creates a hidden Intent.
  B. Creates an implicit Intent.
  C. Create an explicit Intent.
  D. Starts an activity.
  D. Starts an activity.

• Question 59:

  Which of the following applies to the onDraw() method of class View? (Choose two)

  A. It must be overridden if a customize drawing of a view is required.
  B. It takes two parameters: a Canvas and a View.
  C. It takes one parameter of type Canvas.
  D. It uses the Canvas parameter to draw the border of the activity that contains it.
  A. It must be overridden if a customize drawing of a view is required.
  C. It takes one parameter of type Canvas.

• Question 60:

  Which of the following is incorrect about ProgressDialog?

  A. ProgressDialog inherits from the AlertDialog class.
  B. ProgressDialog can be set as 2 types of style: STYLE_HORIZONTAL and STYLE_SPINNER.
  C. ProgressDialog is able to apply a custom XML-defined layout by using the setContentView(...) method.
  D. ProgressDialog can be freely configured to use a Drawable class to display as its progress bar.
  C. ProgressDialog is able to apply a custom XML-defined layout by using the setContentView(...) method.