Mobile Programming Fragment Creation Quiz

What does a Fragment represent in an Activity?

An independent user interface

In what ways can you combine multiple fragments in a single activity?

As a multipane UI

Why is it beneficial to reuse a fragment in multiple activities?

To maintain consistent user interface

What is the purpose of creating a modular section of an activity using Fragment?

To handle input events more efficiently Signup and view all the answers

How do you create a fragment?

Extend the Fragment class and override key lifecycle methods Signup and view all the answers

What is the main advantage of using fragments on larger screen devices like tablets?

Consistent user interface across devices Signup and view all the answers

What is the purpose of the onCreateView method in the context of adding a fragment to an activity?

To define the layout for the fragment and link its appearance to the activity Signup and view all the answers

In the context of adding a fragment to an activity at runtime, what is the role of FragmentManager?

To create and handle transactions for fragments Signup and view all the answers

Why is it important for the activity layout to include a fragment container View when dealing with fragments added at runtime?

To provide a place to insert the fragment dynamically Signup and view all the answers

What is the primary purpose of the FragmentTransaction in the context of adding fragments at runtime?

To create and handle transactions for adding, removing, or replacing fragments Signup and view all the answers

What is the purpose of the MenuInflater in the context of adding a fragment to an activity?

To define the menu options for the fragment Signup and view all the answers

Why should initial fragments be added to an activity during its onCreate() method when dealing with fragments added at runtime?

To ensure proper handling of lifecycle and configurations changes for fragments Signup and view all the answers

What is the purpose of preparing a view container for the fragment when adding it to an activity at runtime?

To provide a place to insert the fragment dynamically Signup and view all the answers

What does LayoutInflater do in relation to adding a fragment to an activity?

Inflate the layout for the fragment and link its appearance to the activity Signup and view all the answers

Which option in Android allows you to store private primitive data in key-value pairs?

Shared Preferences Signup and view all the answers

Where would you store public data on the shared external storage in Android?

Shared Storage Signup and view all the answers

What is the purpose of Room Database in Android?

Store structured data in a private database Signup and view all the answers

In what situation would you use Network Connection/Cloud storage option in Android?

To store data on the web with your own network server Signup and view all the answers

Which storage option in Android is suitable for storing private data on the device memory?

Shared Preferences Signup and view all the answers

What type of data does Shared Storage option in Android cater to?

Public data on the shared external storage Signup and view all the answers

What is the primary purpose of a content provider in Android?

To allow applications to access data within other applications and expose internal application data to other applications Signup and view all the answers

What does the SharedPreferences class in Android provide a framework for?

Saving and retrieving persistent key-value pairs of primitive data types Signup and view all the answers

Which method is used to retrieve and hold the contents of the preferences file in Android?

getSharedPreferences(String name, int mode) Signup and view all the answers

What is the purpose of the MODE_WORLD_READABLE and MODE_WORLD_WRITEABLE operating modes in Android?

To allow all other applications to have read access to the created file Signup and view all the answers

What does the MODE_MULTI_PROCESS operating mode in Android enable?

Checking the file on disk for modification even if the shared preferences instance is already loaded in the process Signup and view all the answers

What type of data can be saved using the SharedPreferences class in Android?

Primitive data types such as booleans, floats, ints, longs, and strings Signup and view all the answers

What is strongly discouraged in Android in terms of file creation mode?

Creating world-readable files as it is very dangerous and likely to cause security holes in applications Signup and view all the answers

Why should applications use more formal mechanisms like ContentProvider, BroadcastReceiver, and Service instead of 'MODE_WORLD_READABLE' and 'MODE_WORLD_WRITEABLE' constants?

They ensure that file access modes remain consistent during backups and restores Signup and view all the answers

What is the primary behavior enabled by the MODE_MULTI_PROCESS operating mode in Android?

Checking the file on disk for modification even if the shared preferences instance is already loaded in this process Signup and view all the answers

What is discouraged when it comes to creating world-readable files in Android?