Google Associate Android Developer Practice Test - Questions Answers, Page 5
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To run a debuggable build variant you must use a build variant that includes
About running a debuggable build variant. Usually, you can just select the default "debug" variant that's included in every Android Studio project (even though it's not visible in the build.gradle file). But if you define new build types that should be debuggable, you must add 'debuggable true' to the build type. Is that mostly true?
With a room database. When performing queries, you'll often want your app's UI to update automatically when the data changes. Can you use a return value of type LiveData in your query method description to achieve this?
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?
Interface for a callback to be invoked when a shared preference is changed. Interface is named:
With our Context we can get SharedPreferences with a method, named: getSharedPreferences(String name, int mode). What value can we transfer in a "mode"parameter?
What statements about InputStreamReader (java.io.InputStreamReader) are correct? (Choose two.)
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?
In a class PreferenceFragmentCompat. What method is called during onCreate(Bundle) to supply the preferences for this fragment. And where subclasses are expected to call setPreferenceScreen(PreferenceScreen) either directly or via helper methods such as addPreferencesFromResource(int)?
In a class PreferenceFragmentCompat. As a convenience, this fragment implements a click listener for any preference in the current hierarchy. So, in what overridden method we can handle that a preference in the tree rooted at this PreferenceScreen has been clicked?
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