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To mark in the editor that a preference value should be removed, which will be done in the actual preferences once commit() or apply() is called, what method in SharedPreferences.Editor should we use?
SharedPreferences.Editor is an interface used for modifying values in a SharedPreferences object. To mark in the editor that a preference value should be removed, which will be done in the actual preferences once commit() or apply() is called, what method in SharedPreferences.Editor should we use?A . delete(String key)B . clear()C...
By default, the notification's text content is truncated to fit one line.
By default, the notification's text content is truncated to fit one line. If you want your notification to be longer, for example, to create a larger text area, you can do it in this way:A . var builder = NotificationCompat.Builder(this, CHANNEL_ID) .setContentText("Much longer text that cannot fit one line...") .setStyle(NotificationCompat.BigTextStyle()...
If you want the Database Inspector to automatically update the data it presents as you interact with your running app, check the Live updates checkbox at the top of the inspector window. While live updates are enabled, what happens with the table in the inspector window?
If you want the Database Inspector to automatically update the data it presents as you interact with your running app, check the Live updates checkbox at the top of the inspector window. While live updates are enabled, what happens with the table in the inspector window?A . It is still...
What method is used to inflate the given XML resource and add the preference hierarchy to the current preference hierarchy?
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?A . findPreferenceB . getPreferenceManagerC . addPreferencesFromResourceD . setPreferenceScreenView AnswerAnswer: C
The Log class allows you to create log messages that appear in logcat. Generally, you could use the following log methods: (Choose five.)
The Log class allows you to create log messages that appear in logcat. Generally, you could use the following log methods: (Choose five.)A . Log.e(String, String) (error)B . Log.a(String, String) (all outputs)C . Log.w(String, String) (warning)D . Log.i(String, String) (information)E . Log.q(String, String) (questions)F . Log.d(String, String) (debug)G . Log.v(String,...
mViewModel!!.tea.observe(this, Observer { tea: Tea?
In our TeaViewModel class, that extends ViewModel, we have such prorerty: val tea: LiveData<Tea> An observer in our Activity (type of mViewModel variable in example is TeaViewModel) is set in this way: mViewModel!!.tea.observe(this, Observer { tea: Tea? -> displayTea(tea) }) What will be a correct displayTea method definition?A . private...
In general, you should send an AccessibilityEvent whenever the content of your custom view changes. For example, if you are implementing a custom slider bar that allows a user to select a numeric value by pressing the left or right arrows, your custom view should emit an event of type TYPE_VIEW_TEXT_CHANGED whenever the slider value changes.
In general, you should send an AccessibilityEvent whenever the content of your custom view changes. For example, if you are implementing a custom slider bar that allows a user to select a numeric value by pressing the left or right arrows, your custom view should emit an event of type...
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.
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 canA . examine the object tree for a variable; expand it in the Variables view....
The Testing Pyramid, shown in the Figure, illustrates how your app should include the three categories of tests: small, medium, and large. Small tests are unit tests that:
The Testing Pyramid, shown in the Figure, illustrates how your app should include the three categories of tests: small, medium, and large. Small tests are unit tests that: A . validate your app's behavior one class at a time.B . validate either interactions between levels of the stack within a...
If in the filter menu, a filter option “Show only selected application”?
Filter logcat messages. If in the filter menu, a filter option “Show only selected application”? means:A . Display the messages produced by the app code only (the default). Logcat filters the log messages using the PID of the active app.B . Apply no filters. Logcat displays all log messages from...
