What is thread and services?

A thread is a lightweight process.It is not an android component. We cannot update a UI thread, we need a handler for this. Service is a component of Android.It is also an Activity but has no interface. Threads run in the lifecycle of Activity, and are killed/stopped when an Activity is destroyed.

How you choose between a service and a thread?

There is never a choice between using a Thread and using a Service, as they are distinct questions which must be answered independently. To add to my previous comment, while the Thread and Service concepts are normally orthogonal, the IntentService class represents a canned combination of the two ideas.

What thread services work on Android?

In Android, a Service is an application component that can perform long-running operations in the background on the UI thread.

What is difference between thread and AsyncTask in Android?

Thread can be triggered from any thread, main(UI) or background; but AsyncTask must be triggered from main thread. Also on lower API of Android(not sure, maybe API level < 11), one instance of AsyncTask can be executed only once.

Is Android service a thread?

4 Answers. It is neither, any more than an activity is “a process or a thread”. All components of an Android application run inside a process and by default utilize one main application thread. You can create your own threads as needed.

Does service run on UI thread Android?

xml. If you want the service code to run in a Background Thread, then you must manage that yourself. The terms background and foreground are overloaded, and can apply to: Lifecycle of Android components.

Does service run on main thread Android?

Caution: A service runs in the main thread of its hosting process; the service does not create its own thread and does not run in a separate process unless you specify otherwise. You should run any blocking operations on a separate thread within the service to avoid Application Not Responding (ANR) errors.

What are the types of services in Android?

Types of Android Services

• Foreground Services: Services that notify the user about its ongoing operations are termed as Foreground Services.
• Background Services: Background services do not require any user intervention.
• Bound Services:

What happens when thread is created?

Thread. When a process starts, it is assigned memory and resources. The process and the thread are one and the same, and there is only one thing happening. In multithreaded processes, the process contains more than one thread, and the process is accomplishing a number of things at the same time.

Does service run on main thread?

Is Async task a thread?

AsyncTask is designed to be a helper class around Thread and Handler and does not constitute a generic threading framework. AsyncTasks should ideally be used for short operations (a few seconds at the most.)

Why do we need services in Android?

Android service is a component that is used to perform operations on the background such as playing music, handle network transactions, interacting content providers etc. It doesn’t has any UI (user interface). The service runs in the background indefinitely even if application is destroyed.

What is the difference between service and thread in Java?

In short, the main difference between Service and Thread is that, Service runs on Main (UI) thread and Thread runes on its own thread. If we are using Service for long tasks, then it may cause block Main UI Thread. Please visit given link for more detail.

What is the difference between 3service and thread in Android?

3.Service – is a component of android, so it has priority levels to be considered while destroying an application due to low memory. 4. Thread – is not a component of android, so android will not take thread priority into consideration while killing an application due to low memory.

What is the use of service in Android?

As a consequence, the Service or IntentService is used to enforce this feature. You may think of Service as an Android component that is used to run long-running operations in the background, such as in the Music app, where we run the app in the background while using other mobile apps at the same time.

When should I create a new thread instead of a service?

If you need to perform work outside your main thread, but only while the user is interacting with your application, then you should probably instead create a new thread and not a service.