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Android Application Development v8 Question and Answers

Android Application Development v8

Last Update May 17, 2024
Total Questions : 45

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Questions 1

As an Android developer, to change the font size of a text in Android layout, you should use attribute "android:textSize". Which of the following choices is the recommended syntax to change the font size to 18?

Options:

A.  

android:textSize=18sd"

B.  

androtd:textSize="18sp"

C.  

android:textSize=-"18point"

D.  

android:TextSize=18dp”

Discussion 0
Questions 2

The following images include an Android code for SeekBar (id: MyseekBar) and one state of its operation. What does "Result" represent in this code?

Options:

A.  

Result is theseekbar id.

B.  

No any role for Result in this code.

C.  

Result is the id of TextView widget which will show the result messages of SeekBar operation.

D.  

Result is the maximum value of SeekBar steps that can be moved.

Discussion 0
Questions 3

Which of the following Android Studio folders includes drawable files for different launcher icon densities?

Options:

A.  

Values

B.  

Drawable

C.  

layout

D.  

Mipmap

Discussion 0
Questions 4

Check the following image, and then select which of the following choices is the correct Android method to add a marker on Google maps?

Options:

A.  

GoogleMap.MARkerlist

B.  

GoogleMap.addMarker

C.  

GoogleMap-Markerpost

D.  

GoogleMap-GoogleMakerAdd

Discussion 0
Questions 5

Android Studio is the official IDE for Android application development.

Options:

A.  

False

B.  

True

Discussion 0
Questions 6

The following image includes Android code for an app that contains a button with an id : "Downloadbutton". When the app user clicks this button, a progress bar with id: "progressBar" will show up. What will happen if you change *'rate+=10" illustrated with green underlined text to “rate+=50"?

Options:

A.  

No any change m progress bar work.

B.  

The progress bar will finish within two steps only.

C.  

You will get error and the app will not work.

D.  

The progress bar will workbefore slowly than before.

Discussion 0
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