Ithute Mokhoa oa ho Programmieren sesebelisoa sa Android

Pele o qala ho ithuta ho khouta lits'ebetso tsa Android, o tlameha ho qala ka ho ithuta metheo ea Java, Sepheo-C, kapa e potlakile. Hang ha u tloaela litaba tsa motheo, O ka fetela pele ho lihlooho tse rarahaneng tse kang kabelo ea kopano. Sengoliloeng sena se tla hlalosa likarolo tsa bohlokoa ka ho fetisisa tsa sesebelisoa sa Android. Ka tsela ena, O ka etsa kopo e sebetsang le ho e beha e 'ngoe ho bareki ba hau. O ka boela oa ithuta ka Abelana ka koporo, karolo ea bohlokoa ka ho fetisisa ea App ea Android.

Java

Ho ithuta ho lokisa app ea Android e bonolo – Haeba u tseba Java. Leha ho le joalo, Haeba u sa tsebe hantle hore na u ka etsa khoutu, U ka fumana buka e nang le kenyelletso puong e ka u thusang ho qala. Buka ena e koahela lihlooho tse fapaneng, ho kenyelletsa nts'etsopele ea Android, ho kenyelletsa li-framework tsa Android, metheo ea Java, le ho feta. Buka eo e etselitsoe ho u thusa ho etsa kopo ka matsatsi a mangata – Ha u hloke ho ba le tsebo e fetileng ea mananeo a fetileng.

Pele o qala ho ithuta java, Ho bohlokoa ho utloisisa metheo ea libuka tsa lintho tse ikhethang. Haeba u se u ntse u tseba Java, U ka fumana Java-Kirs ho ithuta haholoanyane ka puo kapa ho ntlafatsa tsebo eo u e tsebang. Tsoelo-pele ea App Android e sebelisa Studio ea Android, e leng tikoloho ea nts'etsopele ea kopo ea kopo. Ho boetse ho na le livideo le litemana tsa inthaneteng, hammoho le liforamo tse kang chip, moo o ka botsang lipotso le ho fapanyetsana maikutlo le baemeli ba nang le boiphihlelo.

U ka boela ua ithuta haholoanyane ka nts'etsopele ea sethala sa mofuta oa litšila le ho e leka ka ho ithuta le ho ithuta le ho ithuta. Puo ea Java ke khetho e ntle bakeng sa bahlahisi ba Android, le litho tsa O'Reilly li fumana phihlello e sa lekanyetsoang ea dijithale ea dijithale le thupelo ea inthaneteng. Android-App-Programmieren in Java covers all of the essential aspects of professional app development. Using this book will allow you to build a professional app that can be distributed through Google Play and iOS.

Sepheo-C

You may already be familiar with the basics of the Objective-C language. Objective-C is a descendant of Smalltalk and has a syntax similar to C. It also supports Smalltalk-style messaging. One of the main differences between C and Objective-C is that C code is compiled into a native library, while Java code can call these functions directly. Ka hoo, Objective-C code is significantly more complex than Java, but the learning curve is minimal.

If you are considering learning Objective-C, you can find online courses that are specifically designed for the Android platform. They are often highly rated, but require a subscription fee. The price varies according to provider and the type of app that you are developing. Unlike PWAs, which are web applications, native apps can be downloaded from Google Play or the app store. The main benefit of a native app is that it has much more functionality than a PWA.

There are some pros and cons to both Objective-C and Swift. Both languages are powerful, but if you’re unsure about which language to use, try Kotlin, a more user-friendly alternative to Java. It’s easier to learn and provides better error-reduction. Kotlin is also great for Android programmierung, and it has an official certification by Google. Soren Rauchle is an expert on Java and Objective-C and works for 3pc GmbH Neue Kommunikation.

Swift

When it comes to developing apps for Android, the programming languages Swift and Kotlin have risen to prominence. Both of these open-source languages are the successors to Java and have become an integral part of the repertory of professional app developers. The following article will provide a quick overview of the two languages and what you should expect from each. After reading it, you’ll be well-equipped to start creating your first apps.

When it comes to learning the newest programming language, Swift is an excellent choice for Android. It is a robust and intuitive language that allows developers to implement their own ideas. And because it’s free, anyone with an idea can use it. A Koblenz-based company, United Coding GmbH & Co. KG, specializes in Swift app development. Listed below are some of the benefits of learning Swift.

The biggest advantage of Swift over Objective-C is that it’s more portable and has fewer limitations than its counterpart. It is also more suited to enterprise-level projects, as Apple doesn’t approve Android OTA updates. Ho feta moo, you can’t change the purpose of an Android app while using Swift. You can also find examples of Swift code on the official Android platform. Leha ho le joalo, it’s important to understand that Swift is not the only language for Android development.

ShareActionProvider

If you want to share your Android app with others, you can do it with ShareActionProvider. Android has an API called ShareActionProvider, which lets you share data between different apps. You can use ShareActionProvider to integrate this into your Action Bar. This will be discussed in greater detail in this tutorial. But for now, Re tla tsepamisa maikutlo ts'ebetsong ea mantlha.

Ho sebelisa karolo ea sekolo, U hloka ho sebelisa laebrari ea tšehetso ea Android. Laeborari ena e ka sebelisoa ho mefuta ea Android pele 4.0. E sebetsa le ts'ebetso ea Android_Send API, Kahoo e lumellana le mefuta ea khale ea sethala. Kabelo eu lumellang ho bontša menu, Theha Subnamic Supermenus, le ho etsa liketso tse tloaelehileng. Ho ka phatlalatsoa ka faele ea hau ea lisebelisoa tsa Worm ea XML, mme e ka sebelisoa ho arolelana litaba le likopo tse ling.

Library ena ea pronoming ea Android eu lumella ho u arola ka likarolo tse 'maloa. Ka ho sebelisa karolo ea sekolo, U ka etsa lintho tsa menyu tse lumellang basebelisi ba bangata ho fumana data e tšoanang. Sena se bohlokoa haholo ho etsa hore app ea hau e sebetse hantle, e u lumella ho bokella tlhahisoleseling, Abelana le lisebelisoa tse ling, 'me u romelle tlhokomeliso le tsebiso ho lits'ebetso tse ling. U ka eketsa kabelo ea kabelo ea karolo ea app ea hau ea app ea hau 'me u bone hore na e sebetsa joang.

Hula-o theohe

Haeba u batla ho ntlafatsa ts'ebetso ea Android e tla lumella basebelisi ba hau ho hula le ho lahla lifaele kapa lintho, Ts'ehetso ea Drawn ea Drown ke tsela e ntle ea ho qala. Liketsahalo tsa hulela li romelloa ka sistimi ea ho hula tsa Android ho sebelisa mekhoa ea ho letsetsa le bamameli ba ho hula. Ketsahalo e hlahisitsoeng e na le data le likhang. Bamameli ba tla sebetsa liketsahalo tsena 'me ba bona hore na data e lokela ho amoheloa kapa ea hana. O ka ithuta ho eketsehileng ka ts'ebetso ea draha e ka tlase.

U ka ithuta ho sitisa ho hula le Android ka ho sheba kahare le litlelase tsa pele le bamameli ba ketsahalo. Drag event classes and drag listeners provide the necessary hooks to start the drag operation. When the user drags a view, it provides drag data and a DragShadowBuilder callback. The DragShadowBuilder specifies the picture used during the drag operation.

The DragAndDrop sample on GitHub includes an example of a DragAndDrop application. This sample has a drag-and-drop API with many useful features. DRAG_FLAG_GLOBAL and DRAG_FLAG_GLOBALE, along with a target app container. The code also has logic for other DragEvent cases. When a user drags an object, the application is informed of this by sending a notification to the system.

Maikemisetso

Intents are useful when you need to switch between two or more apps. Intents can link activities within the same app or between different apps. To switch between two apps, o ka sebelisa ntho e ncha le sehlopha sa balekane. Hang ha u tseba lebitso la sepheo sa hau, O ka e bitsa ka mokhoa oa ho putlama. U ka sebelisa mefuta e fapaneng ea data, ho kenyelletsa lintho le linomoro, joalo ka paramente ea hau ea bobeli. Mona ke mehlala e meng ea mahlakore.

Litlante li ka ba molemo ho ts'ebeliso e kopanetsoeng ea Android. U ka li sebelisa ho qala mesebetsi e mecha kapa ho etsa ketso e teng. Litlante le tsona li ka sebelisoa ho hlahisa lits'ebeletso tse ncha, fana ka litaelo ho tse teng tse teng, kapa melaetsa ea phatlalatso ea ho amohela. Bahlahisi ba Android le bona ba ka etsa lits'ebetso tse amanang ka ho sebelisa li-filthara tse ngata. Molemong oa sena, U hloka ho qala sesebelisoa sa Virtual. Kamora ho theha sesebelisoa sa hau, Kenya mofuta oa morao-rao oa sesebelisoa sa hau se tsamaisang merero.

Mohato o latelang oa Lenaneo la App ea Android App ke ho theha merero. Melemo ke tsela ea ho tlohela sistimi ea Android e tseba seo u se batlang sesebelisoa sa hau ho se etsa. Mokhoa ona o o lumella ho bolela hore na o batla ho etsa eng motsotso ofe kapa ofe. Ka mohlala, Haeba u na le ts'ebeliso ea mehala ka mesebetsi e 'meli, Morero o ka baka ts'ebetso ea b. Haeba mosebelisi a batla ho bula webosaete e ikhethang, U ka hlahisa ketsahalo e nang le mosebetsi o mongata o tlisoang.