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Google Associate Android Developer Practice Test - Questions Answers, Page 9

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Question 81

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What do you want from Room when you create a DAO method and annotate it with @Update?

Example:

@Dao

public interface MyDao { @Update

public void updateUsers(User... users); }

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Question 82

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What do you want from Room when you create a DAO method and annotate it with @Delete?

Example:

@Dao

public interface MyDao { @Delete

public void deleteUsers(User... users); }

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Question 83

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In Android 8.0, API level 26, some APIs regarding notification behaviors were moved from Notification to NotificationChannel. For example, what should we use instead of NotificationCompat.Builder.setPriority() for Android 8.0 and higher?

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Question 84

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What method should we use with Notification.Builder to supply a PendingIntent to be sent when the notification is clicked?

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Question 85

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When scheduling unique work, you must tell WorkManager what action to take when there is a conflict. You do this by passing an enum when enquing the work.

For one-time work, you provide an ExistingWorkPolicy, which supports some options for handling the conflict. (Choose four.)

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Question 86

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If you are working with a Builder that creates a PeriodicWorkRequest to run periodically once within the flex period of every interval period. What statement is correct?

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Question 87

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Custom duration in milliseconds as a parameter for the setDuration method is available when you are working with:

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Question 88

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If constant LENGTH_INDEFINITE is used as a parameter for the setDuration method in Snackbar, what will happen?

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Question 89

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What public methods are there in android.widget.Toast.Callback? (Choose two.)

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Question 90

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Which build options in the Build menu to choose to delete all intermediate/cached build files.

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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?
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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.)