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Android AND-801 Dumps

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Total 45 questions

Android Application Development v8 Questions and Answers

Question 1

Check the following image which includes a code that runs when the user clicks on the button (id =button). This code for an Android app includes three check boxes for the question: "Which countries are in North America?" Select one of the following choices, where the result will appear when the app user clicks the button.

Options:

A.

in TextView widget has blank id

B.

in TextView widget has id: textresult

C.

in TextView widget has id: textresult.text

D.

in TexView widget has id: isChecKed

Question 2

Fill in the blank space in the following sentence with the correct choice: The following image shows the content of an AndroidManifest.xml file of an Android app. The role of adding the attributes "androidricon" and "android:roundlcon" is.........................

Options:

A.

Set an app icon image on a phone, on any smartdevice, or inGoogle play store.

B.

Snow the app icon in Android Studio title bar only.

C.

Show the app icon in Android Studio emulator only.

D.

Show this icon if this app is installed on IPhone devices only.

Question 3

To add a Google map to an Android app, you should to use map fragments.

Options:

A.

False

B.

True

Question 4

Which of the below choices is the best answer to fill the empty space in the following sentence? If you want to give all text widgets in an app the same format such as font color, font size, and font family, you should add the style attribute to the TextView XML tags in layout file and set the attribute value to the same style name. You should define that style by adding a new style tag "style name-style_name" inside...............................

Options:

A.

AadroiddManifest-xml file

B.

activity_main.xml file

C.

stytes.xml file

D.

MainActivity.java or MainActivity.kt file

Question 5

Check the following image which includes Android code for a sum calculator. Which of the following choices is correct about this Android code?

Options:

A.

The sum result will not appear on the app until adding another print out method.

B.

The sum result of N1 and N2 will appear in result_view TextView widget when the user clicks button_sum button.

C.

The sum result will not work, because N1 and N2 must be changed to Integer first.

D.

You must add input method to this code to enter the value of N1 and N2 numbers.

Question 6

Which of the following choices is the main role of the Preview button which is illustrated in the red circle of the vertical Android Studio tool bar?

Options:

A.

It shows the activity blue print preview mode.

B.

It shows the Java or Kotlin code of an activity.

C.

It shows the activity layout in print review.

D.

It shows the activity layout in text (XML) and design mode at the same time.

Page: 1 / 2
Total 45 questions