Entri Blog
No Result
View All Result
Friday, January 27, 2023
  • State Level PSC
    • Kerala PSC
    • TNPSC
    • APPSC
    • TSPSC
    • BPSC
    • Karnataka PSC
    • MPPSC
    • UPPSC
  • Banking
  • SSC
  • Railway
  • Entri Skilling
    • Coding
    • Spoken English
    • Stock Marketing
  • TET
    • APTET
    • CTET
    • DSSSB
    • Karnataka TET
    • Kerala TET
    • KVS
    • MPTET
    • SUPER TET
    • TNTET
    • TSTET
    • UPTET
FREE GK TEST: SIGNUP NOW
Entri Blog
  • State Level PSC
    • Kerala PSC
    • TNPSC
    • APPSC
    • TSPSC
    • BPSC
    • Karnataka PSC
    • MPPSC
    • UPPSC
  • Banking
  • SSC
  • Railway
  • Entri Skilling
    • Coding
    • Spoken English
    • Stock Marketing
  • TET
    • APTET
    • CTET
    • DSSSB
    • Karnataka TET
    • Kerala TET
    • KVS
    • MPTET
    • SUPER TET
    • TNTET
    • TSTET
    • UPTET
No Result
View All Result
Entri Blog
Free GK Test
banner top article banner top article
Home Articles

Extension Functions You Need to Know in Android

by Kiranlal VT
July 22, 2022
in Articles, Entri Skilling, Web and Android Development
Extension Functions You Need to Know in Android
Share on FacebookShare on WhatsAppShare on Telegram

Android is an operating system for mobile devices like smartphones and tablet computers that is open source and based on Linux. The Open Handset Alliance, headed by Google, and other businesses created Android. This course will walk you through some advanced ideas in Android application development in addition to teaching you the fundamentals of Android programming. Java is the foundational programming language for Android development. All other mobile operating systems are being outsold by Android on a global scale. Without a question, Android developers will have the advantage and a promising future

Become an Android Developer. Signup for Entri app

For all Android developers throughout the world, Android is a wonderful and growing opportunity. The majority of smartphone users utilize Android, hence there is always a need for Android applications. More and more Android developers are needed as there is a growing need for more and more applications. Android is incredibly adaptable and open source. Low investment costs and significant returns are associated with Android development. Indeed, the developer framework for Android is excellent. It assists us in developing highly intriguing new ideas based on the services already provided by android devices.

Build your career in Android development. Join Entri

Extension Function in Java

An interesting element that aids in Android app development is extension functionalities. Without needing to employ design patterns like Decorator or inherit from them, they enable the addition of additional functionality to classes. Writing utility classes, typically referred to as Utils, that include static methods that take classes as arguments and operate on their public members is a common task when using the Android framework.

Android development courses and Placements. Join Entri app

Modifying third-party classes to add functionality that makes use of public members is another example of a use case. Extension functions in java come to the rescue in these circumstances. They offer a convenient syntactic sugar that enables you to adjust how you call such methods so they appear to be standard member functions. They merely create new functions that can be called using the dot notation rather than altering the class itself. A receiver type that you want to extend must come before the function name when declaring an extension function.

Extension Functions in Android

Android has Extension functions like extension function in java. Although they are internally converted into standard Java functions, the coding interface looks cleaner as a result. Let us look at some of the key extension functions.

  • Complex units

You need to programmatically set the font size and box width but in terms of dp and sp? In Kotlin, you can create an Extension value, but in Java, you would want to use a function. This is the extension function used for the above-said purpose.

  • String substring

You are aware of how to use str[index] to extract a character from a string. What happens if you need a substring but detest typing that lengthy function? the get operator function, which would return the substring within the specified index range, using an IntRange parameter.

  • Repeating a string

An additional frequently used operator extension function. With the aid of this function, we have taken care of the two common ones.

  • Toast Message

The simplest extension function is this one, and every article will advise you to have it. Now you may more easily display a toast in your Activity or Fragment by using this function.

  • Android Resources

There is a straightforward procedure available if your Kotlin code needs any resources. Calling your Extension method instead of your boilerplate code will result in cleaner code. Use a suitable Annotation for debugging so that you are aware if you pass the incorrect resource type.

Dreaming to build a career in Android Development. Signup for Entri

Conclusion

Java is adored by all Android developers, but its full potential can only be realized if we make the most of it. Java is a language that is always evolving, and it gets better with each new version. The extension functions in java offer great help to its developers and it also brings a bright future to the android developing community.

Learn Android Development from experts. Join Entri

Share61SendShare
Kiranlal VT

Kiranlal VT

Related Posts

Kerala PSC Junior Public Health Nurse Gr. II Rank List 2022 Out - PDF, Direct Link
Articles

Kerala PSC Junior Public Health Nurse Gr. II Rank List 2022 Out – PDF, Direct Link

January 25, 2023
HPSC HCS Personality Test 2021- 22 Date Out - Check Schedule
Articles

HPSC HCS Personality Test 2021- 22 Date Out – Check Schedule

January 25, 2023
GPSC Engineering Service Answer Key 2023 PDF - Link, Raise Objection
Articles

GPSC Engineering Service Answer Key 2023 PDF – Link, Raise Objection

January 25, 2023
Next Post
Java Coding Standards and Google Java Coding Standards

Java Coding Standards and Google Java Coding Standards

Discussion about this post

Latest Posts

  • Kerala PSC Junior Public Health Nurse Gr. II Rank List 2022 Out – PDF, Direct Link
  • HPSC HCS Personality Test 2021- 22 Date Out – Check Schedule
  • GPSC Engineering Service Answer Key 2023 PDF – Link, Raise Objection
  • Kerala PSC Exam Calendar April 2023 – Download PDF Here, Link
  •  8 Interview Skills To Ace Your Next Interview

Trending Posts

  • states of india and their capitals and languages

    List of 28 States of India and their Capitals and Languages 2023 – PDF Download

    149714 shares
    Share 59883 Tweet 37427
  • List of Government Banks in India 2023: All you need to know

    60986 shares
    Share 24394 Tweet 15247
  • TNPSC Group 2 Posts and Salary Details 2022

    39409 shares
    Share 15764 Tweet 9852
  • New Map of India with States and Capitals 2022

    28551 shares
    Share 11420 Tweet 7138
  • Odisha Police Recruitment 2023 PDF Download for 4790 Posts – Eligibility, Selection Process

    833 shares
    Share 333 Tweet 208

Company

  • Become a teacher
  • Login to Entri Web

Quick Links

  • Articles
  • Videos
  • Entri Daily Quiz Practice
  • Current Affairs & GK
  • News Capsule – eBook
  • Preparation Tips
  • Kerala PSC Gold
  • Entri Skilling

Popular Exam

  • IBPS Exam
  • SBI Exam
  • Railway RRB Exam
  • Kerala PSC
  • Tamil Nadu PSC
  • Telangana PSC
  • Andhra Pradesh PSC
  • MPPSC
  • UPPSC
  • Karnataka PSC
  • Staff Selection Commission Exam

© 2021 Entri.app - Privacy Policy | Terms of Service

No Result
View All Result
  • State Level PSC
    • Kerala PSC
    • TNPSC
    • APPSC
    • TSPSC
    • BPSC
    • Karnataka PSC
    • MPPSC
    • UPPSC
  • Banking
  • SSC
  • Railway
  • Entri Skilling
    • Coding
    • Spoken English
    • Stock Marketing
  • TET
    • APTET
    • CTET
    • DSSSB
    • Karnataka TET
    • Kerala TET
    • KVS
    • MPTET
    • SUPER TET
    • TNTET
    • TSTET
    • UPTET

© 2021 Entri.app - Privacy Policy | Terms of Service