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expo-task-manager

Version: 55.0.6 Expo module that provides support for tasks that can run in the background. Used by expo-location, expo-background-fetch, and other modules.

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Installation

npx expo install expo-task-manager

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Usage

import * as TaskManager from 'expo-task-manager';

const TASK_NAME = 'my-background-task';

// Define task
TaskManager.defineTask(TASK_NAME, ({ data, error }) => {
  if (error) {
    console.error(error);
    return;
  }
  console.log('Task data:', data);
});

// Check if task is registered
const isRegistered = await TaskManager.isTaskRegisteredAsync(TASK_NAME);

// Get registered tasks
const tasks = await TaskManager.getRegisteredTasksAsync();

// Unregister task
await TaskManager.unregisterTaskAsync(TASK_NAME);

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API Reference

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Methods

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defineTask(taskName, task)
(taskName: string, task: TaskManagerTask) => void
Defines a background task
TaskManager.defineTask('my-task', ({ data, error }) => {
  // Handle task execution
});
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isTaskRegisteredAsync(taskName)
(taskName: string) => Promise<boolean>
Checks if task is registered
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getRegisteredTasksAsync()
() => Promise<TaskManagerTaskDescriptor[]>
Gets all registered tasks
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unregisterTaskAsync(taskName)
(taskName: string) => Promise<void>
Unregisters a task
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unregisterAllTasksAsync()
() => Promise<void>
Unregisters all tasks

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Platform Support

PlatformSupported
iOS✅
Android✅
Web❌

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Resources