Android Services

In Android development, Services are essential components that allow apps to run background tasks without a user interface. Whether it's playing music, fetching location updates, or syncing data, services ensure efficient execution while keeping the app responsive.

1️⃣ Types of Services in Android

Android provides three types of services:

2️⃣ Service Lifecycle Methods

Each service goes through different states during its execution:

✅ Lifecycle Flow:

3️⃣ Foreground Service Example

A Foreground Service is used when a long-running task requires user awareness, such as music playback.

📌 Code Example (Foreground Service)

✅ Steps to Start the Foreground Service

✅ Permissions Required in

4️⃣ Background Service Example

A Background Service runs tasks like syncing data, sending notifications, or logging analytics.

📌 Code Example (Background Service)

✅ Start the Background Service

5️⃣ Bound Service Example

A Bound Service is used when an Activity needs to communicate with a service (e.g., Media Player controls).

📌 Code Example (Bound Service)

✅ Binding to the Service from an Activity

6️⃣ WorkManager for Background Tasks

🔹 Android restricts background services in Doze Mode to save battery. 🔹 Instead of running background services manually, use WorkManager for scheduled background tasks.

✅ Example of WorkManager

✅ Enqueue a Work Request

7️⃣ When to Use Which Service?

8️⃣ Key Takeaways

✅ Use Foreground Services for long-running tasks that need user awareness

✅ Use WorkManager for background tasks to avoid restrictions

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