The android.view.MenuItem setEnabled method is used to enable or disable a menu item in an Android application. When a menu item is disabled, it is not clickable and its appearance changes to indicate that it is disabled. This method can be useful when you want to give users control over certain features or settings in your app, but want to prevent them from making changes in certain situations.
Let's say you have a Save button in your app that saves user data to a database. However, you only want to enable the Save button if the user has actually made changes to the data. You can use the setEnabled method to enable or disable the Save button based on whether there have been changes:
In this example, the hasChanges variable is a boolean value that is set to true when the user has made changes to the data. When the user opens the menu, the app checks this variable and sets the enabled status of the Save button accordingly. If hasChanges is false, the Save button will be disabled and greyed out. If it is true, the Save button will be enabled and clickable.
Java MenuItem.setEnabled - 30 examples found. These are the top rated real world Java examples of android.view.MenuItem.setEnabled extracted from open source projects. You can rate examples to help us improve the quality of examples.