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In Microsoft Windows, pressing the Application key or Shift+F10 opens a context menu for the region that has focus.
A context menu is a floating menu that appears when the user performs a long-click on an element. It provides actions that affect the selected content or context frame.
What is 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.
Context Menu – the menu shown when you press and hold an item. Google provides an extensive summary of the different menu types in their documentation. The options menu is the primary collection of menu items for an activity.
There are three types of menus in Android: Popup, Contextual and Options. Each one has a specific use case and code that goes along with it.
What is Android context service?
A Context is a handle to the system; it provides services like resolving resources, obtaining access to databases and preferences, and so on. An Android app has activities. Context is like a handle to the environment your application is currently running in. The activity object inherits the Context object.
What is application context in Android?
The Context is often needed in an Android application and allows your code to be run within an Activity. The Context allows you for example: to access Android services, to access Application resources like images or styles, to create views. to assign gestures to an Activity.
A menu is a hierarchy of options. The top level menu presents a set of items. If any of the items is itself a menu, i.e. a sub-menu then it can contain more items. Android menus make use of three objects and hence three XML tags: This inflates to a Menu object which is a container for menu items and group elements.