What is onCreateOptionsMenu in Android?

You use onCreateOptionsMenu() to specify the options menu for an activity. In this method, you can inflate your menu resource (defined in XML) into the Menu provided in the callback.

How do I use onCreateOptionsMenu in activity?

How to use onCreateOptionsMenu method in android. app. Activity

1. WeakReference mActivity;mActivity.get()
2. Stack activityStack;activityStack.lastElement()
3. (Activity) param.thisObject.

What is Android overflow menu?

The overflow menu (also referred to as the options menu) is a menu that is accessible to the user from the device display and allows the developer to include other application options beyond those included in the user interface of the application.

What is the use of getMenuInflater in Android?

You use it to get a MenuInflater . A MenuInflater can “inflate” menu resources, converting the XML representation into a tree of Menu and MenuItem objects. In turn, those objects are used to populate things like the action bar and Toolbar widgets. This class is used to instantiate menu XML files into Menu objects.

What are the two types of popup menu?

Usage

• Contextual Action Modes – An “action mode” which is enabled when a user selects an item. …
• PopupMenu – A modal menu that is anchored to a particular view within an activity. …
• PopupWindow – A simple dialog box that gains focus when appearing on screen.

What is Intent class in Android?

An Intent is a messaging object which provides a facility for performing late runtime binding between the code in different applications in the Android development environment.

Which is valid menu in android?

For all menu types, Android provides a standard XML format to define menu items. Instead of building a menu in your activity’s code, you should define a menu and all its items in an XML menu resource. You can then inflate the menu resource (load it as a Menu object) in your activity or fragment.

What is onSupportNavigateUp?

onSupportNavigateUp() not called

It just does not get called as stated in the documentation. This method is called whenever the user chooses to navigate Up within your application’s activity hierarchy from the action bar.

When should we use FrameLayout?

FrameLayout is designed to block out an area on the screen to display a single item. Generally, FrameLayout should be used to hold a single child view, because it can be difficult to organize child views in a way that’s scalable to different screen sizes without the children overlapping each other.

How do I use pop up menu on Android?

Android Popup Menu displays the menu below the anchor text if space is available otherwise above the anchor text.
…
Android Popup Menu Example

1. <? …
2. android:layout_width=”match_parent”
3. android:layout_height=”match_parent”
4. tools:context=”example.javatpoint.com.popupmenu.MainActivity”>
5. <Button.