Google Associate-Android-Developer Exam Practice Test Instant Access

Question 1

The Testing Pyramid, shown in the Figure, illustrates how your app should include the three categories of tests: small, medium, and large. Medium tests are integration tests that:

Avalidate your app's behavior one class at a time.

Bvalidate either interactions between levels of the stack within a module, or interactions between related modules.

Cvalidate user journeys spanning multiple modules of your app.

Answer : B

Question 2

In a class extended PreferenceFragmentCompat. What method is used to inflate the given XML resource and add the preference hierarchy to the current preference hierarchy?

AfindPreference

BgetPreferenceManager

CaddPreferencesFromResource

DsetPreferenceScreen

Answer : C

Question 3

Select 3 major components of the Room. (Choose three.)

A@Entity

B@Query

C@RawQuery

D@DAO

E@WorkerThread

F@Database

Answer : A, D, F

Question 4

The following code snippet shows an example of an Espresso test:

A@Rule
fun greeterSaysHello() {
onView(withId(R.id.name_field)).do(typeText('Steve'))
onView(withId(R.id.greet_button)).do(click())
onView(withText('Hello Steve!')).check(matches(isDisplayed()))
}

B@Test
fun greeterSaysHello() {
onView(withId(R.id.name_field)).perform(typeText('Steve'))
onView(withId(R.id.greet_button)).perform(click())
onView(withText('Hello Steve!')).check(matches(isDisplayed()))
}

C@Test
fun greeterSaysHello() {
onView(withId(R.id.name_field)).do(typeText('Steve'))
onView(withId(R.id.greet_button)).do(click())
onView(withText('Hello Steve!')).compare(matches(isDisplayed()))
}

Answer : B

Question 5

If constant LENGTH_INDEFINITE is used as a parameter for the setDuration method in Snackbar, what will happen?

AThe Snackbar will be displayed for a short period of time.

BThe Snackbar will be displayed for a long period of time.

CThe Snackbar will be displayed for a very long period of time.

DThe Snackbar will be displayed from the time that is shown until either it is dismissed, or another Snackbar is shown.

EThe constant LENGTH_INDEFINITE is impossible parameter for the setDuration method in Snackbar

Answer : D

Question 6

When your code execution reaches the breakpoint, Android Studio pauses execution of your app. You can then use the tools in the Debugger tab to identify the state of the app. With Evaluate Expression you can

Aexamine the object tree for a variable; expand it in the Variables view

Bevaluate an expression at the current execution point

Cadvance to the next line in the code (without entering a method)

Dadvance to the first line inside a method call

Eadvance to the next line outside the current method

Fcontinue running the app normally

Answer : B

Question 7

About queries in DAO classes. Room verifies the return value of the query such that if the name of the field in the returned object doesn't match the corresponding column names in the query response, Room alerts you in one of the following two ways: (Choose two.)

AIt gives a warning if no field names match.

BIt gives a warning if only some field names match.

CIt gives an error if no field names match.

DIt gives an error if only some field names match.

Answer : B, C

Google Associate Android Developer Associate-Android-Developer Exam Practice Test