A. Correct.
Building the debug APK produces an installable APK artifact.

B. Incorrect.
Run installs a testOnly APK through adb.

C. Incorrect.
Analyze APK inspects an artifact; it does not create one.

D. Incorrect.
Unsigned release artifacts are not the right debug APK workflow.

A. Incorrect.
This relates to RecyclerView layout management, not preference loading.

B. Incorrect.
This creates a RecyclerView, not the preference hierarchy.

C. Incorrect.
onCreateView creates the fragment view but is not the preference-supply hook.

D. Correct.
Subclasses implement onCreatePreferences and call setPreferenceScreen or addPreferencesFromResource.

A. Incorrect.
Left/right are absolute; start/end are locale-aware.

B. Correct.
In LTR locales start maps to left and end maps to right; in RTL they adapt.

C. Incorrect.
In RTL, start and left are not necessarily the same.

D. Incorrect.
Both constraints are horizontal concepts.

A. Incorrect.
This is not the standard Gradle source-set path.

B. Correct.
Instrumented tests live under app/src/androidTest/java.

C. Incorrect.
This omits the src source-set structure.

D. Incorrect.
Assets are not the test source set.

A. Incorrect.
findPreference retrieves an existing preference by key.

B. Incorrect.
getPreferenceManager returns the preference manager.

C. Correct.
addPreferencesFromResource inflates preferences from XML.

D. Incorrect.
setPreferenceScreen sets a screen object directly but does not inflate an XML resource by itself.

A. Correct.
The observer receives the emitted Tea value, which may be nullable depending on your model.

B. Incorrect.
The observer callback receives the value inside LiveData, not the LiveData object itself.

C. Incorrect.
The displayed object is needed.

D. Incorrect.
This incorrectly passes LiveData and an undeclared generic.

A. Correct.
windowNoTitle controls whether the normal title is omitted.

B. Incorrect.
Action Bar behavior is controlled by separate attributes.

C. Incorrect.
It does not hide the whole window.

D. Incorrect.
System bar drawing is controlled by other window attributes.

A. Correct.
Live updates make the table read-only while the inspector refreshes data automatically.

B. Incorrect.
Editing is not available during live updates.

C. Incorrect.
Live updates remove the need for manual refresh.

D. Incorrect.
Database Inspector does not delete rows automatically.

A. Incorrect.
RecyclerView uses multiple visible/recyclable item views, not one total view.

B. Incorrect.
Creating unlimited views would be inefficient.

C. Correct.
RecyclerView recycles a limited set of item views as the user scrolls.

D. Incorrect.
View recycling is the central efficiency feature.

A. Correct.
Activities are app components.

B. Correct.
Broadcast receivers are app components.

C. Correct.
Services are app components.

D. Correct.
Content providers are app components.

E. Incorrect.
Layouts are resources, not app component types.

F. Incorrect.
Fragments are important UI building blocks but not one of the four core app component types.