QUESTION: 121

Which of the following Activity life-cycle methods is invoked when another activity is shown?

onPause()
onCreate()
onStop()
onDestroy()

Answer(s): C

Explanation:

If an activity is completely obscured by another activity, it is stopped. It still retains all state and member information, however, it is no longer visible to the user so its window is hidden and it will often be killed by the system when memory is needed elsewhere.

Reference:

http://developer.android.com/reference/android/app/Activity.html

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QUESTION: 122

Which of the following Material Theme attributes are used to custom the color palette in your application? (Choose Three)

android: colorAccent
android: colorPrimary
android: colorPrimaryText
android: colorPrimaryDark

Answer(s): A,B,D

Explanation:

Example:
To customize the theme's base colors to fit your brand, define your custom colors using theme attributes when you inherit from the material theme:
<resources>

<style name="AppTheme" parent="android:Theme.Material">


<item name="android:colorPrimary">@color/primary</item>

<item name="android:colorPrimaryDark">@color/primary_dark</item>

<item name="android:colorAccent">@color/accent</item>
</style>
</resources>
Customizing the material theme.

Reference:

http://developer.android.com/training/material/theme.html

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QUESTION: 123

Which of the following adds a click listener to items in a ListView?

setonClickListener
setonItemClickListener
setonItemClicked
setonListItemClickListener

Answer(s): B

Explanation:

SetOnItemClickListener(AdapterView.OnItemClickListener listener) registers a callback to be invoked when an item in this AdapterView has been clicked.
Note: An AdapterView is a view whose children are determined by an Adapter. Incorrect:
A: SetOnClickListener (View.OnClickListener l) registers a callback to be invoked when this view is clicked. If this view is not clickable, it becomes clickable.

Reference:

http://developer.android.com/reference/android/widget/AdapterView.html

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QUESTION: 124

Which one of the following statements is NOT a function of the Action Bar?

It provides a dedicated space on the screen to identify the current activity to the user.
It facilitates the accessibility to important application actions.
It loads web URLs to display HTML pages.
It supports consistent navigation and view switching within apps.

Answer(s): C

Explanation:

The key functions of the app bar are as follows:
A dedicated space for giving your app an identity and indicating the user's location in the app. Access to important actions in a predictable way, such as search.
Support for navigation and view switching (with tabs or drop-down lists).

Reference:

http://developer.android.com/training/appbar/index.html

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Free AND-401 Exam Braindumps (page: 31)

QUESTION: 121

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QUESTION: 122

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QUESTION: 123

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QUESTION: 124

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