Tasker (application)

Tasker is an application for the Android operating system that allows users to create custom actions based on triggers (contexts) in the operating system. It is primarily used to automate tasks and customize the user experience of an Android device without requiring root access in most cases.

Tasker's functionality revolves around the concept of profiles, tasks, and scenes. Profiles define the conditions under which a task will be executed. These conditions can include the time of day, location, application being used, connected Wi-Fi network, incoming phone call, SMS message, and many other system states.

Tasks are sequences of actions that are performed when a profile becomes active. These actions can range from simple functions like changing volume levels or displaying notifications, to more complex operations such as sending SMS messages, launching applications, controlling media playback, or manipulating system settings. A single profile can activate one or more tasks.

Scenes allow users to create custom user interfaces that can be displayed based on specific triggers. These scenes can include buttons, text fields, images, and other interactive elements, enabling users to create custom dialog boxes, widgets, or even full-screen applications within Tasker.

Tasker provides a high degree of flexibility and customization, allowing users to tailor their Android device's behavior to their specific needs and preferences. It's considered a powerful automation tool, often used by advanced Android users to optimize device performance, improve battery life, and create personalized experiences.