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Free Google Associate-Android-Developer Exam Actual Questions

The questions for Associate-Android-Developer were last updated On Apr 4, 2025

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Question No. 1

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()))
}

Show Answer

Correct Answer: B

Question No. 2

In application theme style, flag windowNoTitle () indicates:

Awhether this window should have an Action Bar in place of the usual title bar.

Bwhether there should be no title on this window.

Cthat this window should not be displayed at all.

Dwhether this is a floating window.

Ewhether this Window is responsible for drawing the background for the system bars.

Show Answer

Correct Answer: B

https://developer.android.com/guide/topics/ui/look-and-feel/themes https://developer.android.com/reference/android/R.styleable.html

Question No. 3

In our TeaViewModel class, that extends ViewModel, we have such prorerty:

val tea: LiveData

An observer in our Activity (type of mViewModel variable in example is TeaViewModel) is set in this way:

mViewModel!!.tea.observe(this, Observer { tea: Tea? -> displayTea(tea) })

What will be a correct displayTea method definition?

Aprivate fun displayTea()

Bprivate fun displayTea(tea: Tea?)

Cprivate fun displayTea(tea: LiveData?<Tea>)

Dprivate fun displayTea(tea: LiveData?<T>)
Section: KOTLIN only
Explanation

Show Answer

Correct Answer: B

Question No. 4

Assume that you have the following situation: The app code calls for R.string.text_a Three relevant resource files are available:

- res/values/strings.xml, which includes text_a in the app's default language, in this case English.

- res/values-mcc404/strings.xml, which includes text_a in the app's default language, in this case English.

- res/values-hi/strings.xml, which includes text_a in Hindi.

The app is running on a device that has the following configuration:

- The SIM card is connected to a mobile network in India (MCC 404).

- The language is set to Hindi (hi).

Which is the correct statement below?

AAndroid loads text_a from res/values/strings.xml (in English)

BAndroid loads text_a from res/values-mcc404/strings.xml (in English)

CAndroid loads text_a from res/values-hi/strings.xml (in Hindi)

Show Answer

Correct Answer: B

Android loads text_a from res/values-mcc404/strings.xml (in English), even if the device is configured for Hindi. That is because in the resource-selection process, Android prefers an MCC match over a language match (as a priority Exception).

https://developer.android.com/guide/topics/resources/localization

Question No. 5

What statements about InputStreamReader (java.io.InputStreamReader) are correct? (Choose two.)

AAn InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified charset. The charset that it uses may be specified by name or may be given explicitly, or the platform's default charset may be accepted.

BAn InputStreamReader is a bridge from character streams to byte streams: It reads characters using a specified charset and encodes them into bytes. The charset that it uses may be specified by name or may be given explicitly, or the platform's default charset may be accepted.

CEach invocation of one of an InputStreamReader's read() methods may cause one or more bytes to be read from the underlying byte-input stream. To enable the efficient conversion of bytes to characters, more bytes may be read ahead from the underlying stream than are necessary to satisfy the current read operation.

DNo any invocation of one of an InputStreamReader's read() methods can cause some bytes to be read from the underlying byte-input stream.

Show Answer

Correct Answer: A, C