In this part of the educational articles, we want to talk about the keyboards of Android systems and apply some desired settings and changes on them. In this part of the tutorial, we want to explore how to hide and show it, and also use some special libraries that can be notified of events or in other words to inform us of events.

In this part of the tutorial, what you will learn is as follows:

- How to manage Android keyboard - How to hide and show Android keyboard - Remove Android keyboard using InputMethodManager class- Manage and apply some custom keyboard changes using the KeyboardVisibilityEvent class- Announce some keyboard related events- Eliminate the appearance of the Android keyboard

Keyboard management

It may happen to app developers and programmers that they do not display when they need a keyboard, and when they do not need an Android keyboard at all, the keyboard appears, and this may cause some Problems. To do this, we need to make changes and settings so that we can finally manage the Android keyboard and appear when we need it. To do this, we use the InputMethodManager class to manage the keyboard, and then we use the KeyboardVisibilityEvent library to be able to add delete and no display to the keyboard. We can even define a Listener that notifies us of keyboard deletion and non-display events.To better understand, let's give an example. For example, consider the form that the user, after entering his personal information using the keyboard, needs to keep the keyboard hidden and not displayed, because in this case, it will cause problems. This is why we have to create a project and apply its special settings to it so that the keyboard is hidden and not displayed when the user does not need it.1- To do this, we create a project in Android Studio with the desired name KeyboardManagement.2- It should be noted that the type of activity used in this project is Empty Activity.3- The language used in this tutorial to create this project is Java .4- In the activity layout, we define three widgets of EditText, TextView and Button types.5- The codes that should be in activity_main.xml are as follows: 

Read more on:https://www.dotnek.com/Blog/Apps/keyboards-and-related-settings-in-android-sys

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