Seo U Lokelang ho se Tseba ka Android App Development

Haeba u thahasella ho ithuta ka nts'etsopele ea App ea Android, u fihlile sebakeng se nepahetseng. Sehloohong sena, o tla ithuta ka Java, Kotlin, Phatlalatso, le li-intuva tsa mosebeletsi oa matsoapong. Le uena u tla ithuta ka SDK ea Android, Ndk, le phaello. Ka tšepo, Tlhahisoleseling ena e tla u thusa ho qala ho hapa lits'ebetso ka nako. Haeba u na le lipotso, Se ke oa tšaba ho botsa!

Java

Haeba u rera ho theha sesebelisoa sa Android, Ebe Java e e-ba puo e loketseng ho e sebelisa. Java ke puo ea boemo bo holimo, 'me syntax ea eona e tšoana le ea lipuo tsa batho haufi-ufi. Ka hoo, Litšitiso tsa Java li feto-fetoha le ho feta, 'me u tle le laebrari e ruile ea mekhoa ea kamehla ea boitšoaro bo bobe le mekhoa e metle. Java le eona e bula mohloli, ho bolelang hore ho ka etsahala hore o sebelise khoutu e sebetsang ka merero ea moferefere. Java bakeng sa nts'etsopele ea App ea Android ke e 'ngoe ea lipuo tse tloaelehileng ka ho fetisisa tsa libuka tsa lintho tsa Android App.

Haeba u nahana ka java bakeng sa nts'etsopele ea App ea Android, U tla hloka ho utloisisa phapang lipakeng tsa puo ena ea lenaneo le Kotlin. Haeba u nahana ka java e le khetho ea hau ea pele, Hopola hore e ntse e feta 20 lilemo tse ngata ho feta kotlin. E ntse e le teng, O tla hloka ho ithuta ka bobeli ba lipuo tsena haeba u batla ho fumana sethaleng sena. U kanna ua batla ho haha ​​sesebelisoa se sebelisang lipuo ka bobeli.

Java e na le melemo e mengata ho feta kotlin, Empa hape ho leng thata ho ithuta. Ha Java e sebelisoa haholo nts'etsopele ea Android, Kotlin ha e sebelisoe haholo. Ha a le bonolo ho ithuta ho feta Java, Ke khetho e ntle bakeng sa nts'etsopele ea Android. Kotlin is easier to learn than Java and is the language Google recommends for Android development. It also provides more support for Android development.

Kotlin

If you are planning to use the Kotlin programming language for Android app development, there are a few things you should know first. While it does offer several advantages, it does require a bit of learning time. It is not as easy as other programming languages and will require rewriting projects and optimizing them. Then again, if you are serious about creating a killer app, you will be ready to tackle any challenge that comes your way. Another thing you should remember is that Kotlin will make the process of implementing your project faster.

Since its introduction at the Google I/O conference in 2017, Kotlin has gained much popularity and is quickly overtaking Java as the most popular programming language for Android. This new language is more concise and less prone to boilerplate code. It also reduces the need for extensive testing and maintenance of the app, resulting in less bugs and minor crashes. Ha e bapisoa le Java, Kotlin code is much smaller and more concise.

While Java has long been the foundation for Android products, the new language Kotlin has made many developers rethink their approach to creating apps. Kotlin was created by Russian startup JetBrains and is built on the Java virtual machine. It is a typed, functional programming language that runs on the Java virtual machine. The goal of Kotlin is to provide faster compile times and to make apps easier to maintain.

Phatlalatso

Using Fragmentation in Android app development allows developers to use callbacks to manage the lifecycle of fragments. These methods are commonly used in Android apps, and include onCreate, onStart, ka Khutsa, onDestroy, le onResume. Using callbacks can make your fragments modular, standalone, and reusable components. They can also help your app respond to different callbacks and intents, and can pass arguments to the parent activity’s initialization.

In Android app development, a fragment is a piece of the activity’s user interface. Depending on the screen size of the device, fragments should be independent and modular. Fragments are reusable between activities, and can be combined to create a single activity. Holim'a moo, fragments can be reused across different screens. Fragmentation makes it easier for developers to maintain the app’s code.

Using Fragments in Android app development eliminates the problem of non-null UI elements. Instead of making fragments inherit from the Activity, you can create separate Fragments for each form factor. Fragments only have UI responsibilities specific to that form factor, so your Activity can delegate UI responsibility to the appropriate Fragment. A fragment can have multiple components, such as buttons or menus.

Fragmentation in Android app development is an ongoing issue. Many mobile device manufacturers are customizing the Android OS to fit a specific device. This leads to multiple differences in the code, which means that different versions of an application will run differently. For developers, this can be an enormous challenge, but Google is working to fix this problem. By offering an Android compatibility program, Bahlahisi ba ka sefa lisebelisoa tsa lisebelisoa le mefuta eo ba ka e fumanang.

Meetso ea Basebelisi ba Native

Liphetoho tsa Basebelisi ba Native Intermidence Appment e ka etsoa ka ho kenyelletsa Lenaneo la Java le XML. Maikutlo a Android a fana ka boitšoaro ba sebopeho, Ha li-whourgroups ke likarolo tsa matsoalloa a ka eketsa likarolo tsa moralo kapa boitšoaro bo tloaelehileng. Ka mohlala, profischep ea profinse, e ts'oanang le app ea Google. Sesebelisoa se ka sebelisa maikutlo ka bobeli le ho shebella ho netefatsa hore ho bonolo ho e sebelisa.

Le ha ho na le melemo e mengata ea ho kenya tšebetsong mokhoa oa moralo oa bohloeki, Ha se kamehla tharollo e sebetsang ka ho fetisisa. Bahlahisi ba bangata ba iOS ba fumana hore litšenyehelo tsa ho nts'etsapele sesebelisoa bakeng sa li-ppels tse peli ha li na. Ka lehlohonolo, Mekhabiso e mekae e matla e etsa hore ho be bonolo ho sebelisa moralo oa Native UI ho Android. Empa baqapi ba UI ba tlameha ho nahana ka hore litataiso tsa UI li fapane bakeng sa ios le Android. Ts'ebetso ea tloaelo ea tloaelo ea android e ka hloka boiteko bo eketsehileng, haholo-holo haeba sepheo sa mantlha sa app ke ho netefatsa basebelisi ba iPhone.

Basebelisi ba Android ba ka fihlella likopo ka sebopeho sa Hardware le sebopeho sa OS's (UI). UI ke moemeli oa pono ea sistimi e itseng, joalo ka skrine sa lapeng le seretse sa lapeng. UI ke lisebelisoa ka bobeli le software 'me li ka kenyelletsa lifensetere tsa kopo, Maqephe a Marang-rang, Lits'oants'o tsa App ea Mobile, le li-gauges le mabone. Native UIS e boetse e fana ka monyetla oa ho sebetsa ka botlalo ho lisebelisoa tse fapaneng.

TLHOKOMELISO

Ho na le mefuta e 'meli ea bohlokoa ea ho leka sesebelisoa sa Android: unit tests and integration tests. Unit tests are smaller pieces of code that verify functionality; end-to-end tests run on a real device, while integration tests verify how the app works across all modules. Integration tests should account for around 20% of the total number of tests. Haeba u moqapi e mocha, it can be helpful to use a testing codelab to learn more about this process.

You’ll need to create an APK before you can start writing tests. Instrumented tests run on the device and require that you include the Android framework, which is available through the Android ADB. To make sure everything works, you’ll want to make sure you have the required test libraries. If your test library doesn’t include these, you’ll have trouble integrating it. Ka lehlohonolo, instrumented tests are incredibly useful and are easy to use.

To run tests locally on your development machine, use Robolectric. This framework is designed to run on a local host and follows best practices for mocks. Robolectric is particularly useful for testing Android apps because it allows you to run tests on Android dependencies and is fast and clean for unit testing. It can also simulate runtime on Android 4.1 and supports community-maintained fakes. Ka tsela ena, you can test your code without an emulator.

Distribution

There are many marketing channels for Android apps. The first and foremost is the Google Play. This marketplace is the largest of its kind and allows developers to distribute their apps in a variety of ways. In addition to the App Store and Google Play, Android e na le liteishene tse ling tse 'maloa. Haeba sesebelisoa sa hau se ikemiselitse ho fihlela bamameli ba bangata haholo, E ka ba mohopolo o motle ho e hlahloba kaofela. Ho boetse ho na le mekhoa e meng e fapaneng ea ho tsamaisa sesebelisoa sa hau, ho kenyelletsa mabokose a mobile joalo ka lebenkele la Apple la Amazon, Lebenkele la Itones, le lebenkele la lipapali.

Hang ha sesebelisoa sa hau sa Android se felile, U ka e tsamaisitsa litenteng tsa hao. Molemong oa sena, O tla hloka ho theha li-frontend tse bonolo tse tla thusa li-degters ho kenya sesebelisoa. Hang ha liteko li jarolotse sesebelisoa, ba tlameha ho saena litlalehong tsa bona kapa ba bula lengolo-tsoibila ka lisebelisoa tsa bona tsa mehala. Sena se ka nka nako ebile se tla lebisa ho liphetoho tse sieo. Ntle le moo, U ka sebelisa kabo ea sethala.

Molemo o mong oa nts'etsopele ea App ea Android ke hore ho bonolo ho e sebelisa. Because Android is a highly customizable platform, developers can easily tailor it to meet their business needs. Ho feta moo, with Android, there’s no single distribution platform, so developers can create multiple distribution channels for their apps. This means that they can reach out to multiple target audiences, which is a great advantage for any business. Le, since the platform is open source, this gives manufacturers more options and freedom to create Android apps.