App! App.
App
Ti o ba jẹ tuntun si idagbasoke Android, O ṣee ṣe pe o ti gbọ nipa Java, Idi-C, tabi Swift. Ti o ba nifẹ lati di idagbasoke ohun elo alagbeka kan, o le nifẹ si kikọ ẹkọ nipa Awọn ipilẹ Eto Android. Ẹkọ naa yoo tun ṣafihan ọ si Swift. O ti lọ soke si awọn olupilẹṣẹ Java, ṣugbọn o ṣe iranlọwọ fun gbogbo awọn olupilẹṣẹ. Idi ti iṣẹ-ẹkọ yii ni lati fun ọ ni imọ ipilẹ ti awọn ede wọnyi lati jẹ ki o rọrun lati bẹrẹ ṣiṣẹda awọn ohun elo Android.
Ede siseto Android jẹ yiyan olokiki fun awọn olupilẹṣẹ sọfitiwia. O le wa kan jakejado orisirisi ti awọn iwe ohun ati Tutorial lori Android programmierung ni Java. Sibẹsibẹ, ti o ba jẹ tuntun patapata si siseto fun Android, yoo gba igbiyanju diẹ lati ni oye awọn imọran ati awọn ede oriṣiriṣi. Ninu nkan yii, a yoo ṣe alaye awọn ipilẹ ti Android programmierung ni Java ati awọn agbegbe idagbasoke ti o le lo lati ṣẹda awọn ohun elo rẹ.
Android-App jẹ ti awọn iṣẹ ṣiṣe lọpọlọpọ, eyi ti o le wo lori oju-iwe iboju. Nigbati o ba tẹ ọkan ninu awọn iboju wọnyi, o yoo gbe si tókàn akitiyan. Iṣẹ-ṣiṣe akọkọ jẹ ti awọn kilasi Java, eyiti o jẹ awọn kilasi-kekere ti Iṣẹ-ṣiṣe ati AppCompatActivity. O jẹ aaye titẹsi fun app rẹ ati pe o ni awọn ọna aimi akọkọ() ati lori Ṣẹda(). Lilo awọn kilasi wọnyi, o yoo ni anfani lati ṣẹda a ni wiwo olumulo ti o ṣiṣẹ laisiyonu lori eyikeyi Android ẹrọ.
Nigbati o ba bẹrẹ lilo Android, o gbọdọ kọ Java. O le gba ifihan ipilẹ kan si Java nipasẹ iwe iforowero tabi nipasẹ ohun elo idagbasoke ohun elo ọfẹ. Java jẹ ede siseto olokiki fun ṣiṣẹda awọn ohun elo Android, sugbon o ni ọpọlọpọ awọn pitfalls. Iṣoro akọkọ pẹlu Java ni pe o nilo ara siseto ti o yatọ patapata. Bíótilẹ o daju wipe Java ni a gbajumo wun, Python ti ni aaye bi ede ipele-iwọle fun awọn ọmọ ile-iwe.
Bi yiyan si Java, ọpọlọpọ awọn Difelopa n yipada si Kotlin. Ko dabi Java, Kotlin jẹ Syeed-agnostic ati pe o le kọ ẹkọ ni iyara. O tun funni ni idinku aṣiṣe ti o tobi ju, eyi ti o mu Kotlin a nla wun fun Android programmierung. Soren Rauchle ṣiṣẹ ni 3pc GmbH Neue Kommunikation, ati ki o ni ogbon ni Android programmierung ni Java ati awọn lilo ti Artliche oye ni mobile ohun elo.
Ti o ba nilo awọn ohun elo rẹ lati ṣiṣẹ ni kiakia, Java jẹ aṣayan ti o dara julọ ju Python lọ. Python ko ni atilẹyin ẹrọ foju, ṣugbọn Java ni awọn iṣẹ iṣapeye lọpọlọpọ. Awọn ede mejeeji nfunni ni awọn ile-ikawe ati awọn API fun awọn pirogirama Android lati lo. Lakoko ti awọn ede mejeeji ni ọpọlọpọ awọn anfani, Python dara julọ fun awọn olupilẹṣẹ ti o nilo lati ṣiṣẹ pẹlu eto ohun-ini kan. O tun rọrun lati ṣe iyipada awọn ọna ṣiṣe. Pelu awọn iyatọ, awọn ede mejeeji ni ọpọlọpọ awọn anfani fun awọn olutọpa Android.
Onkọwe tun pese ifihan okeerẹ si siseto Android ni Java. O ṣe alaye awọn aaye pataki ti idagbasoke ohun elo ọjọgbọn, lati ibi ipamọ data si awọn ilana isale. Iwe naa fihan awọn oluka bi o ṣe le lo Android Studio ni imunadoko. Iwe naa tun ni wiwa bi o ṣe le lo Android SDK, ipamọ data, ati Awọn iṣẹ Ayelujara. A nla Itọsọna fun aspiring Java Difelopa, Eto Android ni Java jẹ orisun ti o tayọ. Lakoko ti o nkọ ede naa, iwọ yoo ni imọriri jinlẹ ti ilolupo eda abemi-ara Android.
Ti o ba fẹ ṣe agbekalẹ awọn ohun elo fun awọn ẹrọ Android, o yẹ ki o mọ nipa Objective-C fun Android. Objective-C wa lati Smalltalk, ede kan fun ṣiṣẹda software. Sintasi rẹ jọra pupọ si C, ṣugbọn o ṣe imuse fifiranṣẹ ni ara Smalltalk. Nigbati o ba lo Objective-C lati ṣẹda awọn ohun elo Android, o yẹ ki o rii daju lati sọ imuse ati wiwo bi awọn bulọọki koodu lọtọ. O yẹ ki o gbe wiwo naa sinu faili akọsori ati imuse ni faili koodu kan. Mejeji awọn faili wọnyi jọra pupọ si awọn faili koodu C, nitorina o le fẹ lati ka iwe lori mejeeji ṣaaju ki o to bẹrẹ.
Awọn anfani diẹ lo wa ti lilo Objective-C fun siseto Android. Akawe si Swift, ede yii rọrun lati kọ ẹkọ, pese awọn iwọn išẹ, ati pe a ṣe iṣeduro pupọ fun kikọ awọn iru ẹrọ tuntun. O tun yara ju Objective-C, sugbon o jẹ kere ogbo. Sibẹsibẹ, o tun gba awọn imudojuiwọn iwaju ati pe o dara ju akoko lọ. Laibikita awọn ailagbara Swift, Difelopa le ni anfani lati lilo rẹ lẹgbẹẹ Objective-C.
Lakoko ti ede Java jẹ ede siseto olokiki julọ fun Android, Awọn nkan diẹ wa lati tọju si ọkan nigba lilo Objective-C fun Android. Fun apere, iwọ yoo ni iwọle si akojọpọ awọn ile-ikawe ati awọn irinṣẹ to gbooro. Objective-C tun wa diẹ sii ju Java lọ, ki o le kọ apps fun awọn mejeeji iOS ati Android. Ti o ba fẹ lo Java lati ṣe agbekalẹ awọn ohun elo rẹ, iwọ yoo nilo lati loye sintasi rẹ ati lo IDE ti o le ṣiṣẹ lori awọn ẹrọ iOS.
Kotlin jẹ ede orisun-ìmọ fun idagbasoke Android. O ti a se ni 2011 ati pe o ti tu silẹ ni ifijiṣẹ iduroṣinṣin akọkọ ni 2016. Ninu 2017, Google kede Kotlin gẹgẹbi ede idagbasoke-app ti o dara julọ. Ṣugbọn ipinnu kii ṣe ipari, bi Google ti wa ni ogun ofin pẹlu Oracle lori Java APIs. Pelu awọn anfani pupọ rẹ, o jẹ ṣi eni ti Objective-C fun Android programmierung. O ni awọn ẹya diẹ ati pe o lọra ju Java lọ.
Gẹgẹbi ede aiyipada ti awọn ẹrọ iOS Apple, Objective-C ni ile-ikawe nla kan ati pe o faramọ si adaṣe gbogbo idagbasoke iOS. Objective-C jẹ ede ti o gbẹkẹle, ati pe o ko ni lati ṣe imudojuiwọn nigbagbogbo, ko dabi ọpọlọpọ awọn ede siseto miiran lori ọja. Sibẹsibẹ, ede naa ko rọ pupọ, ati pe o yẹ ki o tọju eyi ni lokan nigbati o ba yan ede ti o tọ fun idagbasoke alagbeka rẹ. Sibẹsibẹ, ti o ba ti rẹ agutan ni idiju to, you should choose an alternative language for the project.
It is also very easy to learn, and it is not difficult to get started. You don’t have to know any code to get started, as you’ll find tutorials on Android development in Objective-C for Android. You can even download Objective-C for Android from the official Google Play Store. This will help you learn the language and make your application even more productive. You can start writing your own apps today!
If you’re a developer who is working on Android apps, you might have wondered if you should learn how to program in Swift or Kotlin. Both of these programming languages are open source and are becoming increasingly popular, but which one should you learn first? Learn more about both in this article. If you’re already familiar with Java, you can also move on to Swift. But if you’re looking for something new, consider learning Kotlin first.
The language is a great choice for building mobile apps. It’s free and open source and works on both Mac and iOS devices. It also allows you to contribute to the Swift Quellcode and download binaries for Linux and OS X. If you’re interested in learning how to code in Swift, it’s important to remember that the programming languages are quite similar. Swift is more complex than Objective-C, but it’s not impossible to learn.
Both Swift and Kotlin are statically typified programming languages, and they are widely used in iOS and Android apps. Kotlin has been replacing Java as the most popular language for Android app development. It is fully compatible with Java and is constantly being developed. But the differences between Kotlin and Swift are not great, and you should only use them if you’re already familiar with Java. You can also choose to learn Kotlin if you’re looking for an alternative to Swift or Java.
While you should learn Swift to code for Android, it would be best if you already know Java. The native programming environment of Android uses LLVM compilers, so your Swift code will be interpreted just like any other C/C++ code. Ni afikun si eyi, you’ll also be able to reuse C/C++ development tools, such as the low-level debugger and profiling tools. You’ll want to know what these languages are because they’re both written for the same purpose: to develop Android apps!
Android developers can choose whichever programming language suits their needs. Swift is the most popular programming language for iOS, but it’s also an extremely powerful programming language for Android. The difference in programming languages, as well as the platform they run on, are important. iOS app development is more efficient for both platforms, but Swift is generally easier for programmers to learn. The advantages of both languages are well worth the learning curve. This article explains the differences between the two languages, and gives a good idea of which language is more suitable for your specific needs.
iOS apps are flexible, and can be tailored to meet your needs. Swift is an excellent choice for this kind of development. The authors walk you through the entire process step by step, providing practical examples and avoiding pitfalls along the way. You can also take advantage of iOS’s licensor terms and guidelines, and learn about the requirements of Apple’s strict app approval process. If you choose this path, you’ll be well on your way to making a successful app.