Adaptive icons are primarily used by the launcher on the homescreen,īut can also be used in shortcuts, the Settings app, sharing dialogs, and theĪn adaptive icon can adapt to different use cases as follows:ĭifferent shapes: An adaptive icon can display a variety of shapesĪcross different device models. tPositiveButton('OK', DialogInterface.OnClickListener(function = x))ītPositiveButton(android.R.string.yes) else if (selectedList.Can display differently depending on individual device capabilities and user import 7.app.AlertDialog įollowing Kotlin code is used to create a simple alert dialog. To use AlertDialog in your Android Studio project, import the following class. If this method is set to false, you need to explicitly cancel the dialog using dialog.cancel() method. By default all alert dialogs are cancelable on button click or touch outside. setCancelable - requires a boolean value.

setShowListener - set the logic to be triggered when the alert dialog is dismissed.setDismissListener - Inside this, you can set the logic to be triggered when the alert dialog is dismissed.show() - used to display the AlertDialog.setPositiveButtonIcon - set an icon alongside the Button.setMultiChoiceList - again we can set an array but this time we can select multiple items from the List thanks to CheckBox.setList - used to set an array of strings which would be displayed in the form of a List.setView - used to add a custom view inside the alert dialog.setPositiveButton - We pass the string name, as well as Button, clicked callback method here.setCustomTitle - Here you can pass a custom view that’ll be put in place of the title part in the alert dialog.

Some of the methods that can be used on an AlertDialog. Optionally, we can pass another parameter, the alert dialog style. We pass the context inside the constructor. val alertDialogBuilder = AlertDialog.Builder(this) To create an AlertDialog we use the AlertDialog.Builder inner class.

Buttons - There are three types of buttons: Positive, Negative, and Neutral.

There are three core components that build an Alert Dialog. They generally show some information and ask for a user action. Alert DialogsĪlert Dialog is a window that pops up on the screen. In this tutorial, we’ll be discussing Alert Dialogs and implement them in our Android Application using Kotlin.

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