For example, suppose that in a XML file (res/menu/menu_main.xml as an example), where menu items are described, we have such item:
...
android:id="@+id/action_settings" android:orderInCategory="100" android:title="@string/menu_action_settings" app:showAsAction="never" /> ... Attribute ''app:showAsAction'' shows when and how this item should appear as an action item in the app bar. What value ''never'' in this attribute means?
When using an EditTexts or editable TextViews, or other editable View. What attribute to use to provide a content label for that View?
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?
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 playback. In these cases, to update the content label at the appropriate time, we can use:
If content in a PagedList updates, the PagedListAdapter object receives:
If you want get a debuggable APK that people can install without adb, in Android Studio you can:
Answer : A
The Run button builds an APK with testOnly='true', which means the APK can only be installed via adb (which Android Studio uses). If you want a debuggable APK that people can install without adb, select your debug variant and click Build Bundle(s) / APK(s) > Build APK(s).
Which build options in the Build menu to choose to delete all intermediate/cached build files.