1.
What is a key feature introduced in Android 13 for developers to improve app startup and performance?
Correct Answer
B. Themed icons
Explanation
With the introduction of Android 13, developers now have the capability to implement themed icons within their applications. This feature enables third-party apps and device manufacturers to provide users with icon sets that dynamically adapt to the system's theme settings, ensuring a consistent and visually appealing user experience across various devices and themes.
2.
Which permission is required for apps using Google Play services advertising ID and targeting Android 13?
Correct Answer
D. AD_ID
Explanation
In Android 13, apps integrating Google Play services for advertising purposes are required to declare the AD_ID normal permission in their manifest file. This permission grants access to the advertising ID, a unique identifier used by advertising networks to deliver personalized ads. By enforcing this permission, Android aims to enhance user privacy and ensure that apps responsibly handle user data related to advertising.
3.
What change has been made regarding BluetoothAdapter methods in Android 13?
Correct Answer
A. BluetoothAdapter#enable() and BluetoothAdapter#disable() are deprecated
Explanation
Android 13 marks the deprecation of the BluetoothAdapter#enable() and BluetoothAdapter#disable() methods, which were previously used to control Bluetooth functionality programmatically. Instead, developers are encouraged to adopt alternative approaches for managing Bluetooth, such as using the BluetoothAdapter#isEnabled() method to check the current state of Bluetooth and requesting the necessary permissions.
4.
Which API update aligns Android 13 with the OpenJDK 11 LTS release?
Correct Answer
A. OpenJDK 11 updates
Explanation
Android 13 incorporates updates aligned with the OpenJDK 11 LTS release, bringing various enhancements and improvements to the Java Development Kit (JDK) used by Android. These updates ensure compatibility with the latest Java features and standards, as well as provide developers with access to new APIs and performance optimizations available in OpenJDK 11.
5.
What feature does Android 13 introduce for apps targeting 13+ to manage battery resources efficiently?
Correct Answer
A. Battery Resource Utilization
Explanation
With Android 13, Google introduces Battery Resource Utilization, a set of tools and optimizations aimed at maximizing device battery life. This feature includes various strategies and techniques for minimizing battery consumption, such as optimizing background processes, managing system resources more efficiently, and prioritizing power-intensive tasks to extend battery longevity.
6.
What is the new runtime permission introduced in Android 13 for notifications?
Correct Answer
C. POST_NOTIFICATIONS
Explanation
Android 13 introduces the POST_NOTIFICATIONS runtime permission, which apps targeting API level 33 or higher must declare in their manifest file to send notifications to the user. This permission ensures that apps adhere to strict privacy and security guidelines when accessing sensitive user data or interacting with system features related to notifications.
7.
Which improvement is made in Android 13 to enhance TextView performance for non-Latin scripts?
Correct Answer
A. Improved line heights for non-latin scripts
Explanation
In Android 13, TextView instances are enhanced to provide better support for non-Latin scripts, such as Tamil, Burmese, Telugu, and Tibetan. This improvement involves dynamically adjusting line heights based on the characteristics of each script, resulting in improved readability and visual presentation for users of languages with unique writing systems.
8.
What is the key enhancement in Android 13 for media controls derived from PlaybackState?
Correct Answer
D. Media controls derived from PlaybackState
Explanation
Android 13 introduces a refinement in media control behavior by deriving media control actions directly from the PlaybackState of media playback sessions. This change ensures that media controls remain synchronized with the playback state of audio and video content, providing users with accurate and responsive controls for managing media playback within apps.
9.
Which feature enables apps to revoke access to runtime permissions granted in Android 13?
Correct Answer
A. Developer downgradable permissions
Explanation
With the introduction of Android 13, developers gain the ability to revoke runtime permissions that were previously granted to their apps. This feature empowers users to have more granular control over app permissions, allowing them to selectively revoke permissions that they no longer wish to grant, thereby enhancing user privacy and security.
10.
What does Android 13 introduce to provide a safer way for users to select media files?
Correct Answer
D. pHoto picker
Explanation
Android 13 introduces a new photo picker component that enables apps to provide users with a secure and streamlined method for selecting photos and media files within their applications. This built-in photo picker ensures that users can access their media libraries without granting broad permissions, enhancing privacy and simplifying the user experience when interacting with media content.