Android Dialogs Overview

A small window that appears on top of the main screen to get user input or display information.

A dialog with three buttons: "Positive", "Negative", and "Cancel".

A dialog that shows ongoing progress, often used for tasks like downloads or uploads.

Dialog boxes specifically designed to let users pick dates and times.

Customizable dialogs with unique layouts created by the developer.

Use AlertDialog.Builder to construct a dialog box.

A way to make a dialog unchangeable and prevent it from closing unless a button is pressed.

Use Builder.setSingleChoiceItems with an array of options for displaying a list of radio buttons.

A type of dialog in Android that allows the user to select one option out of a list.

In an AlertDialog, the user interacts by clicking on an item from a specified list.

A class in Android that helps build and display dialogs.

A function used to create a new DialogFragment object in Android.

A special type of fragment in Android used to create dialog-like UIs.

A method used to display a DialogFragment on the screen.

A DialogFragment's lifecycle is synchronized with the application's lifecycle. It's automatically managed as the application runs.

A layout element that acts as a container for Fragments. It's convenient for displaying various parts of an app.

The main class of Android's ActivityManager, providing the system with activity management functions.

A class that can be extended to create custom user interface elements in Android.

A widget that displays images.

Attributes needed for a View to respond to user interactions.

Makes the View receive focus when the user taps on it.

Allows the View to receive focus even when the user is touching the screen.

Makes the View respond to clicks.

An interface to handle key events in Android Views.

A method called when a key is pressed.

A method to check if a key event matches a specific character.

Adds a key listener to a View, making it respond to keyboard events.

An interface that allows you to respond to touch events on a View. By implementing this interface, you can listen for touch actions like pressing, dragging, and releasing within the View's area.

A class that represents a touch event on a View. It carries information about the touch action (e.g., touch down, move, up), the touch position, and the touch pressure.

A method within the View.OnTouchListener interface that gets called whenever a touch event occurs on the View. It allows you to handle touch events and decide what actions to perform.

Returns the X and Y coordinates of the touch event within the View itself.

Returns the raw X and Y coordinates of the touch event on the screen.

A method in DialogFragment used to create the Dialog object. The returned value is the dialog that is displayed to the user.

A class in Android that provides a standard view for editing text. It is commonly used to get text input from the user, such as their name or a message.

A set of user interface components like buttons, text fields, and sliders that make up the user interface and provide ways for users to interact with the application.

The mechanism in Android that allows developers to respond to user actions on a widget. By adding a listener to a View, you can specify what code should be executed when the user interacts with the widget.

The entire screen of a device, where you can place widgets and layout components. It encompasses all the visual elements that the user sees.

The device's built-in hardware that detects changes in the device's orientation, motion, or proximity to other objects. Sensors can provide data that can enhance your application.

The process of retrieving data from the device's sensors. With sensors you can retrieve information such as the phone's orientation, acceleration, and proximity to other objects.

The method of retrieving data from sensors. This allows you to get information such as the phone's orientation, acceleration, and proximity to other objects.