AND-401 exam

What is not true about the AndroidManifest.xml file?A . It declares the views used within the applicationB . It declares user permissions the application requiresC . It declares application componentsD . It declares hardware and software features used within the applicationView AnswerAnswer: A Explanation: Among other things, the manifest does...

Which of the following Activity life-cycle methods is called once the activity is no longer visible?A . onStopB . onPauseC . onDestroyD . onHideView AnswerAnswer: A Explanation: References: Android ATC Self Study Guide http://www.androidatc.com/pages-19/Self-Study

What does the following code do? dialog.getWindow().setFlags(LayoutParams.FLAG_BLUR_BEHIND, LayoutParams.FLAG_BLUR_BEHIND);A . When dialog is displayed the activity behind it will be blurred.B . When dialog is displayed the activity behind it will be dimmed.C . Any EditText behind the dialog will be disabled.D . When the dialog is displayed, the edges of...

Which of the following is the correct way to add access permission to your application?A . Add a <uses-permission> tag as a child tag of the <manifest> tag in AndroidManifest.xmlB . Add a <add-permission> tag as a child tag of the <manifest> tag in AndroidManifest.xml.C . Add a <uses-permission> tag...

Which of the following is not an Android component (i.e. a point from which the system can enter your application)?A . ServiceB . ActivityC . LayoutD . Content ProviderView AnswerAnswer: C Explanation: Here are the four types of app components: Activities, Services, Content providers, and Broadcast receivers. References: http://developer.android.com/guide/components/fundamentals.html

Which of following is incorrect about the Toast class?A . You cannot set a custom layout for a Toast.B . A Toast can only be created by an Activity classC . There is no need to close or hide a Toast, since it closes automatically.D . A Toast is displayed...

Which package of the following does not have classes needed for Android network connections?A . java.netB . org.apache.httpC . android.locationD . android.netView AnswerAnswer: C Explanation: The android.location package contains the framework API classes that define Android location-based (GPS) and related services. References: http://developer.android.com/reference/android/location/package-summary.html

Which of the following lines of code starts activity Activity2 from a current activity Activity1?A . Intent intent = new Intent(this,new Activity2()); startActivity(intent);B . Intent intent = new Intent(new Activity2()); startActivity(intent);C . Intent intent = new Intent (Activity1.class,Activity2.class); startActivity(intent);D . Intent intent = new Intent(this,Activity2.class); startActivity(intent);View AnswerAnswer: D

What two methods you have to override when implementing Android option menus?A . onCreateOptionsMenu, onCreateContextMenuB . onCreateContextMenu, onContextItemSelectedC . onCreateOptionsMenu, onOptionsItemSelectedD . onCreateOptionsMenu, onContextItemSelectedView AnswerAnswer: C Explanation: To specify the options menu for an activity, override onCreateOptionsMenu(). When the user selects an item from the options menu (including action items...

Which of the following is the base class of all UI components?A . ListViewB . LayoutC . ViewD . ViewGroupView AnswerAnswer: C Explanation: View is the base class for android.widget subclasses, which instantiate fully-implemented UI objects. References: http://eagle.phys.utk.edu/guidry/android/androidUserInterface.html