Câu hỏi phỏng vấn Android
Câu hỏi

What is an Intent in Android?

Câu trả lời

An Intent in Android is a messaging object used to request an action from another app component. It provides a way for components to communicate with each other, even across application boundaries[1][2][3].

Intents can be used to:

  • Launch an Activity
  • Start or communicate with a Service
  • Deliver a broadcast
  • Display a web page
  • Dial a phone number
  • Send an email
  • And more[3]

There are two main types of Intents:

  1. Explicit Intents specify the component to start by name. This is used for application-internal communication, such as launching a specific activity within the same app[1][4].

  2. Implicit Intents do not name a specific component, but instead declare a general action to perform. The Android system will determine which app components can handle the intent based on the action, data, and other intent properties[1][4][5].

Intents a...

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