AND-801 試験問題を無料オンラインアクセス

You have an Android application that consists of two activities (MainActivity and SecondActivity) and you want to pass data in text field (ID: FirstNameJD) of MainAcitivity to SecondActivity. The passed data will appear in SecondActivity inside a TextView widget with Id: HelloMessageJD. You will use Intent to pass this data from MainActivity to SecondActivity. The Following two images include the Android code which will be written in MainActivity.kt and SecondActivity.kt files. Your data will not pass from MainActivity to SecondActivity due to a mistake in the code in SecodActivity.kt. Which of the following choices is a correct solution to make this app run correctly?

• A.You need to add an if statement to solve this issue in the two files
• B.Add startActivity(intent) to Secondryactivity.kt
• C.Replace getStringExtra("name") with putSiringExtra( "name") in SecondActiy.kt file
• D.Replace ''name'' with ''pass'' in intent.getSt4ingExtra( ''name'')

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

• A.GoogleMap-Markerpost
• B.GoogleMap.MARkerlist
• C.GoogleMap.addMarker
• D.GoogleMap-GoogleMakerAdd

The following image displays an AndroidManifest.xml file for an Android app. Which of the following choices is correct about this file?

• A.This app consists of two activities and MainActlvity is the launcher activity.
• B.This app consists of one activity and MainActlvity is the launcher activity.
• C.This app consists of two activities and Second is the launcher activity
• D.This app consists of three activities and MainActlvity is the launcher activity.

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?

• A.androtd:textSize="18sp"
• B.android:textSize=-"18point"
• C.android:textSize=18sd"
• D.android:TextSize=18dp"

Assume you are developing an Android app which consists of two activities, MainActivity and SecondActivity. The following image includes part of MainActivity code. This file includes a button that has id "Mybutton". What does the following code snippet do if it is executed after the user taps on the button (id:
Mybutton)?

• A.Re-opens the same MainActivity layout.
• B.Opens SecondActivity layout.
• C.Moves "Hello" message to Second Activity layout
• D.Closes the app. then opens the phone's applications list