Audio Player

1. Requirements Document

Overview

A specialized component for playing audio files, podcasts, or background music. It focuses on background execution capabilities and lock-screen integration.

User Stories

  • As a User, I want my music to keep playing when I lock my phone.
  • As a User, I want to control playback from the notification center.

Functional Requirements

  1. Playback: Streaming and Local file support.
  2. OS Integration:
    • Background Service.
    • Lock Screen Media Controls (Play/Pause/Next).
    • Audio Focus handling (pause when phone rings).

2. Technical Document

Architecture

System Architecture

Audio playback often runs in a separate Background Isolate or Service to ensure uninterrupted playback when the app is backgrounded. The Audio Handlercommunicates with the UI via RPC or standard streams.

API Design

Usage

AudioPlayerWidget(
  source: "https://example.com/podcast.mp3",
  title: "Episode 1",
  artist: "My Podcast",
  artUri: "https://example.com/cover.jpg",
)