The menuInflater class instantiates XML files into Menu objects. It largely relies on the pre-processing of XML files during build time. Menu inflation is useful for creating a floating menu that appears when the user long presses a menu item. It is also useful for defining a specific content, similar to the right-click menu on Windows or Linux.
The options menu is the primary collection of menu items in an activity. These menu items should be actions that have a wider impact on the app as a whole. The context menu appears when the user long-clicks on a content or context frame, and it provides actions related to that element. It’s a great tool for creating a rich user experience. And it also helps with the design of Android apps.
What is onCreateOptionsMenu?
OnCreateOptionsMenu() is the first method called when the Options Menu is opened. This method defines the initial state of the menu and will be called again only when the system needs to invalidate it. This method also contains the onPrepareOptionsMenu() method, which will pass the Menu object as it exists. If you’re modifying the options menu object, make sure you call the correct method before using this one.
Android 2.3.x and higher use the onCreateOptionsMenu() callback method to create the options menu when the user launches the app. Android 3.0 and higher use the onCreateOptionsMenu() callback when an activity is created. Whether or not an item is selected depends on the implementation of the onCreateOptionsMenu() method.
When a user presses a menu button, the program will call onCreateOptionsMenus() every time it draws the menu. This method checks to see if the menu has been modified or not. In this way, the program can make changes to the menu without overwriting the existing menu. You can also use onCreateOptionsMenu() to manage menu items that you aren’t handling in the main menu.
What is Option Menu Android?
The Option Menu is one of the primary menus on Android devices. This menu is available to Android users by pressing the MENU key on the device. It contains basic application functions and navigation items, as well as a button that opens the application’s settings. Android has several types of option menus. Some of them are a la carte, cycle, and du jour. Some of them are fixed, such as a hamburger menu, or they can be grouped into categories, such as beverages or desserts.
There are three types of options menus available on Android. Among them, contextual, popup, and options. Options Menus are the primary collection of menu items for an activity. Global actions can be implemented with this type of menu. The options menu is commonly used in applications such as Google Chrome or WhatsApp. It allows users to customize various settings for their applications. The following example shows how to create an Android-based options menu.
What is Action Bar Android?
The Android ActionBar is a feature of the operating system that displays useful information to users in the bottom half of the screen. An Activity file defines the layout of an activity, and the ActionBar is typically used to display the location of the user. Other features of the ActionBar include a drop-down list and tabs. However, the name of this feature changes depending on the API level. To avoid confusion, here are some examples of what the ActionBar does not do.
The action bar is a toolbar located on the bottom right corner of the screen. It can be hidden and shown using the show() method. In Android Lollipop, it is the default mode. When it is hidden, the activity layout adjusts, which means that the content resizes. If you want to bring the action bar back, call show(). It is a useful tool for developers who want to add navigation modes to their apps.
What are Fragments in Android?
In order to use the Menuinflater framework, you must include the setHasOptionsMenu call in your Activity or Fragment class. If you don’t, menu items will not appear in the fragment. You should add the callback before the fragment is added. The Fragment Java Class File will be called when the user clicks on a menu item or activity.
When you create a fragment, the system calls onCreate(), which is your opportunity to initialize the required components and save the state. Then, when you’re ready to draw the UI, the system calls onCreateView(). In this callback, you must return the View component, which is the root of your layout. If you don’t want to return a View component, you can use null.
To create a fragment, you need to add the -select-fragment parameter and a name. After adding the element, you can call the fragment’s “inflate” method to resize the fragment and display the menu. Inflated fragments should be rendered with a rounded corner. This will give the app a nicer appearance. The fragments are a powerful way to customize your application.
What is Android Hidden Menu?
Many Android users have no idea what their phones can do with the hidden menu, which is a part of the Android OS and software. Normally, developers keep these menus hidden. Samsung, for example, did not disclose the secret menu to the public, but it was documented for techies. Similarly, an Android phone can access an IoT menu when a dialing code is entered. Using the secret code “iot” will unlock this menu, which is accessed by default.
If you have an older phone that has an older version of the One UI, you may not have access to the hidden menu. This is because it is only available on newer versions of the Android operating system. The hidden menu is not available for older TouchWiz phones and some software blocks prevent it. To access the hidden menu, sign in to your Android phone, unlock it, and tap on the “Phone” icon.
What is Screen Navigation Used For?
There are several ways to navigate an STA screen. One method is through the Navigation Bar. This navigation bar is displayed on the left edge of the screen and consists of vertical tabs that provide a visual map of the STA screen hierarchy. Users can only expand one tab at a time, and the Navigation Bar updates to reflect their current location. Other navigation options are offered through text links. Listed below are some of the ways to use the Navigation Bar on an STA.
The screen navigation framework has two main parts: a tag library and a screen structure. The Screen Navigation Framework consists of Java classes for screens and a tag library for the front-end. Using the Screen Navigation Framework requires a Java developer to write a Java class for the screens and add front-end support through a JSP. When a user taps the screen, it changes the designated content region.
What are Dialogs in Android?
If you have an application on Android, you might wonder: What are Dialogs? A Dialog is an interface that displays items and controls a single action. Usually, a dialog is presented with checkboxes. Whenever a user clicks an item in the list, a callback is invoked to handle the event. However, some of the Dialogs also contain a listener.
Intents are the basic building blocks of an application. When used, they allow developers to implement actions that will benefit users. For example, in the case of Android, an intent will initiate a particular action when triggered by another. Intents are generally used to initiate an activity, start services, or send a message between two activities. Android has two types of intent: Implicit and Explicit. Implicit intents are defined as those that are clearly stated and planned. Intents also refer to a state of mind.
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