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Google Associate Android Developer Practice Test - Questions Answers, Page 11

Question list

List of questions

Question 101

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Custom views and directional controller clicks. In general, you should send an AccessibilityEvent whenever the content of your custom view changes. For example, if a text value was changed in your c

Question 102

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Select a correct statement about PagedList.

Question 103

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If content in a PagedList updates, the PagedListAdapter object receives:

Question 104

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Relative positioning is one of the basic building blocks of creating layouts in ConstraintLayout. Constraints allow you to position a given widget relative to another one. What constraints do not ex

Question 105

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Which statement is most true about layout_constraintLeft_toRightOf and layout_constraintStart_toEndOf constraints ?

Question 106

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In application theme style, flag windowNoTitle (<item name="windowNoTitle">) indicates:

Question 107

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"Set the activity content to an explicit view. This view is placed directly into the activity's view hierarchy. It can itself be a complex view hierarchy." This can be done by calling method:

Question 108

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A content label sometimes depends on information only available at runtime, or the meaning of a View might change over time. For example, a Play button might change to a Pause button during music pl

Question 109

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When using an ImageView, ImageButton, CheckBox, or other View that conveys information graphically. What attribute to use to provide a content label for that View?

Question 110

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When using an EditTexts or editable TextViews, or other editable View. What attribute to use to provide a content label for that View?

Related questions

Select four different types of app components. (Choose four.)

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

When your code execution reaches the breakpoint, Android Studio pauses execution of your app. You can then use the tools in the Debugger tab to identify the state of the app. With Step Out you can

In a class extended PreferenceFragmentCompat. What method is used to inflate the given XML resource and add the preference hierarchy to the current preference hierarchy?

As an example. Our MutableLiveData<Long> object, named mLapseTime, is not connected to a Room database, etc. How can we change the value in mLapseTime?

The Log class allows you to create log messages that appear in logcat. Generally, you could use the following log methods: (Choose five.)

DRAG DROP In a common Paging Library architecture scheme, move instances to the correct positions.

DRAG DROP With recommended app architecture. Fill the following diagram, which shows how all the modules usually should interact with one another after designing the app (drag modules to correct places).

An example. In our ViewModelFactory (that implements ViewModelProvider.Factory) we have an instance of our Repository, named mRepository. Our ViewModel has such constructor: public MyViewModel(MyRepository myRepository)... Next, in our ViewModelFactory create ViewModel method (overriden) looks like this: @NonNull @Override public <T extends ViewModel> T create(@NonNull Class<T> modelClass) { try { //MISSED RETURN VALUE HERE } catch (InstantiationException | IllegalAccessException | NoSuchMethodException | InvocationTargetException e) { throw new RuntimeException("Cannot create an instance of " + modelClass, e); }} What should we write instead of "//MISSED RETURN VALUE HERE"?

If you added to your build.gradle file a room.schemaLocation: android { defaultConfig { javaCompileOptions { annotationProcessorOptions { arguments = ["room.schemaLocation": "$projectDir/schemas".toString()] } } }} Then, you build your app or module. As a result you got a json file, with such path to it: app/schemas/your_app_package/db_package/DbClass/DB_VERSION.json What are the correct statements about this file? (Choose all that apply.)

Question 101

Custom views and directional controller clicks. In general, you should send an AccessibilityEvent whenever the content of your custom view changes. For example, if a text value was changed in your custom view, you should emit an event of this type: