> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/expo/expo/llms.txt
> Use this file to discover all available pages before exploring further.

# expo-task-manager

> Manage background tasks for location tracking, background fetch, and more

# 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.

## Installation

```bash theme={null}
npx expo install expo-task-manager
```

## Usage

```typescript theme={null}
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);
```

## API Reference

### Methods

<ParamField path="defineTask(taskName, task)" type="(taskName: string, task: TaskManagerTask) => void">
  Defines a background task

  ```typescript theme={null}
  TaskManager.defineTask('my-task', ({ data, error }) => {
    // Handle task execution
  });
  ```
</ParamField>

<ParamField path="isTaskRegisteredAsync(taskName)" type="(taskName: string) => Promise<boolean>">
  Checks if task is registered
</ParamField>

<ParamField path="getRegisteredTasksAsync()" type="() => Promise<TaskManagerTaskDescriptor[]>">
  Gets all registered tasks
</ParamField>

<ParamField path="unregisterTaskAsync(taskName)" type="(taskName: string) => Promise<void>">
  Unregisters a task
</ParamField>

<ParamField path="unregisterAllTasksAsync()" type="() => Promise<void>">
  Unregisters all tasks
</ParamField>

## Platform Support

| Platform | Supported |
| -------- | --------- |
| iOS      | ✅         |
| Android  | ✅         |
| Web      | ❌         |

## Resources

* [Official Documentation](https://docs.expo.dev/versions/latest/sdk/task-manager/)
* [GitHub Repository](https://github.com/expo/expo/tree/main/packages/expo-task-manager)