Exam style questions across every Associate-Android-Developer domain
Last Update 2 days ago
Total Questions : 128
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Move the major components of the Android platform to correct places in diagram.
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?
What is demonstrated by the code below?
// RawDao.java
@Dao
interface RawDao {
@RawQuery
User getUserViaQuery(SupportSQLiteQuery query);
}
// Usage of RawDao
...
SimpleSQLiteQuery query =
new SimpleSQLiteQuery("SELECT * FROM UserWHERE id = ? LIMIT 1",
new Object[]{userId});
User user = rawDao.getUserViaQuery(query);
...
We have a custom view that extends android.widget.ProgressBar. Our progress bar is not touchable, focusable, etc.: it just shows progress. Style for our custom progress bar extends
“Widget.AppCompat.ProgressBar.Horizontal”. An item, named “progressDrawable”, in our style, is a xml file . What we usually can see as a main single element in this xml file:
Android uses adapters (from the Adapter class) to connect data with View items in a list. There are many different kinds of adapters available, and you can also write custom adapters. To connect data with View items, the adapter needs to know about the View items. From what is extended the entity that is usually used in an adapter and describes a View item and its position within the RecyclerView?
In our TeaViewModel class, that extends ViewModel, we have such method:
public LiveData
}
An observer in our Activity (type of mViewModel variable in example is TeaViewModel) is set in this way:
mViewModel.getTea().observe(this, this::displayTea);
What will be a correct displayTea method definition?
Select correct statements about Hardware Abstraction Layer (HAL). (Choose two.)
Working with Custom View. Once you define the custom attributes, you can use them in layout XML files just like built-in attributes. The only difference is that your custom attributes belong to a different namespace. Instead of belonging to the http://schemas.android.com/apk/res/android namespace, they belong to:
What method should we use with Notification.Builder to supply a PendingIntent to be sent when the notification is clicked?
