Pehea e hoʻolālā ai i nā polokalamu Android

Inā makemakeʻoe eʻike hou e pili ana i ka hoʻonohonohoʻana o Android, E kōkua nui kēia puke iāʻoe. E hōʻike iāʻoe i nā kumuhana koʻikoʻi e pono aiʻoe eʻike i ka wā e kūkulu ai i kahi papa hana aʻoi aku. Mai ka mālamaʻana i kaʻikepili i ka hoʻoiliʻana i kaʻikepili, Nā kaʻina hana, a me nā lawelawe pūnaewele, E hōʻikeʻia kēia puke iāʻoe i nā mea āpau āu e pono ai eʻike e hana i kahi hana loea. E kōkua ka puke e aʻo pehea e hoʻohana ai pehea e hoʻohana ai i ka studio studio e hoʻomohala i kāu app.

Kumuhana-Oriented Programming

Me ka hoʻohanaʻana i ka java e kūkulu i kāu mau polokalamu a me nā polokalamu Android, E like me ka hahaiʻana i kaʻike a me nā manaʻo o nā polokalamu Oo. Hoʻopili kēia puke puke i nā waihona kālā o ka hoʻomohalaʻana o Android, komo me nā kiʻi kiʻi, Nā Hana Laʻu nui, hoopoina, hoao ana, a me nāʻikepili SQLite. E aʻo pūʻoe e pili ana i ka Mesroid Messing, ʻO ka hoʻoili xML, Json, a me kau inoa. Loaʻa iāʻoe kahi mālamalama maikaʻi o nāʻenehana i lalo, me ka a me ka sdk sdk.

ʻO nā'ōlelo maʻamauʻelua no ka hoʻomohalaʻana o ka Android App hoʻomohalaʻo Java a me Kotlin. ʻO Java kahi'ōlelo kahiko no ka hoʻokumuʻana i nā polokalamu, akā he nui nā mea hoʻomohala he nui e huli ana i Kotlin no kāna Syntax Code Syntax a me ka maʻalahi o ke aʻoʻana. Iava, ʻOiaiʻo ka'ōlelo nui loa i ka'ōlelo kaulana loa no nā hana a me ka papa hana, E hoʻomau mau i kona kaulana no kona mau hale waihona puke ākea a me nā cross-compulation. Kotlin, ma ka lima 'ē aʻe, i hanaʻia e nā jetbrains, ka hui like i hanaʻiaʻo Java.

ʻO kahi papahana hana-Oriented kahi ala e hoʻonohonoho ai i kaʻikepili i kahiʻano kūpono. Loaʻa i kēlā me kēia mea kāna kiʻi pono'ī a me kānaʻano, a ua ho'ākākaʻia lākou e nā papa. ʻo kahi laʻana, ʻO kahi papa bankaccount e loaʻa i nāʻikepili a me nāʻano hana no ka mālama a hoʻopau i nā moʻokāki. Loaʻa kēia mau mea i nāʻano hana e like me ka hoʻokaʻawaleʻana() a me ka loaʻaʻana(). ʻO kēia mauʻano hana he mea nui no ka hana maikaʻi o kahi noi bankaccount.

ʻO Java ka'ōlelo mua i hoʻohana muaʻia e kūkulu i nā polokalamu Android. Ua loaʻa iā Kotlin i kahi kaulana ma ka Honua A me ka Honua Pūnaewele, Nui nāʻoihana nui e huli ana i kēia'ōlelo no kā lākou papahana. ʻO Twitter, Netflix, a ia trello, ua kūkuluʻia a pau me Kotlin. Akāʻo ka weheʻana i ka wehe lima wehe i hoʻohanaʻia ma java no ka hoʻohanaʻana i nā mea hoʻohana o ka Android OS. ʻOiai hiki ke hoʻohuiʻiaʻo Java i loko o ka bytecode a holo i ka jvm, ʻAʻole ia he mau papa hana haʻahaʻa haʻahaʻa haʻahaʻa e like me c ++ hana.

ShareActionProvider

E hoʻomaikaʻi i ka pilina me nā papa kuhikuhi o nā papa o nā polokalamu Android, Hiki iāʻoe ke hoʻohana i ka mea hoʻohana. Hoʻokumu kēia waihona i ka submemisus submisus a hoʻokō i nā hana maʻamau. It declares itself in the XML menu resource file. By adding this library to your app, you can share data with your users, including stock prices. No ka 'ike hou aku, visit the official website. Here are some of the most commonly used ShareActionProvider classes:

The ShareActionProvider class uses the ACTION_SEND-Intent to perform the share-related action. When a user clicks the app icon in the Action Bar, the app will display a list of sharing applications. Once this share action is completed, the app returns the user to its own Android app. Using the ShareActionProvider library is simple and convenient.

You’ll need a share-action provider for Android apps if you plan on sharing the content on your app with other people. Share-Intent is an important part of Android development and provides a convenient, ʻO ke ala maʻalahi e hoʻohana ai i kaʻike i nāʻike me nā poʻe'ē aʻe. He mea nui ia e hoʻomaopopo e pono ai eʻae i kaʻae e heluhelu a kākau i nāʻikepili. Ma ka maʻamau, Ponoʻoe e loaʻa nā kuleana o Admin no kāu App.

E hoʻokō i kēia hiʻohiʻona kaʻana i kāu app, Ponoʻoe e hoʻohui i ka mumeactachuceter i ka hana hana. A laila, E hoʻolilo i nāʻike i kahi hana a me ka mea nānā i ka hoʻomaha. Hiki iāʻoe ke hana i ka hoʻohanaʻana i ka mea hana pilikino ma kāu kiʻi kiʻi, ʻO ia kahi hiʻohiʻona maikaʻi e hōʻike iāʻoe pehea e hoʻohui ai i kēia hana i kāu app. Hiki iāʻoe ke heluhelu hou aʻe e pili ana i kēia mea i kā mākou alakaʻi.

Hoʻihoʻi ʻana i ke ola o ka hana

Ke hanaʻoe i kahi hana hou ma ka Android, Ponoʻoe e hoʻohana i ka hana ola ola e hōʻoia i ka hoʻomauʻana e hana ana ma hope o ka haʻaleleʻana o kahi mea hoʻohana. Using these methods is essential to preventing memory leaks, which can degrade the performance of your system. Eia kekahi, when using these methods, you should avoid performing intensive computations during the onPause() callback because it can delay the transition from one activity to another, which can lead to poor user experience.

Activity Lifecycle Callbacks can help you achieve this goal by calling specific events during different phases of an activity’s lifecycle. Ka mua, onCreate() is called when an activity is created for the first time. Ka onStart() callback is usually followed by onResume and onPause. In most cases, the onResume callback is called before the onStop method.

Ke hoʻomaha kahi hana, ka onPause() method stops all framework listeners and saves application data. The onPause() a onsop() methods are guaranteed to be called before an activity ends. The onResume() method is called when an activity resumes and its configuration states change. The Android system will recreate the activity with the new configurations. ʻO kēia ala, your app’s users will be able to resume their activity and use it.

Activity Lifecycle Callbacks are a great way to ensure that your application is working in the background. This callback is called whenever an activity goes into the background. You can override this method by calling the method on the super class. Remember to call this method when necessary as not calling it will lead to your app to crash or get stuck in a strange state. Eia naʻe, make sure you call the onPause() method when you need to.

Refactoring tools

If you develop Android apps, you should consider using a refactoring tool. Loaʻa nā mea kūʻai aku ma waena o kāu Studio Android a iʻole ka mīkini hoʻomanaʻo Xcode. Hoʻolakoʻo Android, e komo pū ana i nā papa inoa inoa inoa inoa inoa inoa, Nā La Iyoue, Nā kiʻi kiʻi, a me nā hana. ʻO kēia mau mea hana hoihoi i loaʻa i kahi nui o nā koho, a e uhi mākou i kēlā me kēia i nā kiko'ī ma lalo.

Hiki i nā mea hana hana no nā polokalamu Android ke hoʻomaikaʻi i ka maikaʻi o kāu code a hōʻemi i nā code Smill. Ke kāohi nei i / o nā hana e hiki ai ke hopena i ka hopena o ka noi kelepona, a me ka hoʻohanaʻana i kahi mea kūponoʻole kūponoʻole e hiki ai ke hōʻeha i nā pilikia e like me nā leʻaleʻa hoʻomanaʻo, ua pau ka ikaika, a me nā kumu waiwai. Loaʻa nā mea hana e hōʻole i nā mea hana e hoʻopau i kēia mau pilikia ma o Retrofiting Async code i ka code suiquntial. A refactoring tool like ASYNCDROID can extract long-running operations into Android AsyncTask.

Refactoring tools for Android applications can also improve legacy desktop applications. They allow developers to change the codebase without affecting the entire lifecycle of a mobile application. Kahi mea hou aʻe, developers can also clean up selective code layers, thereby improving the overall code quality and the user experience without affecting the mobile app’s development cycle. Most developers are familiar with Android development lifecycle, and using refactoring tools for Android will streamline the process of porting legacy applications to mobile devices.

Refactoring can be tricky for apps that are in production, but it is an important task for developers. Release your new version to a small group of users to test its behaviour and working. It is also important to test the refactored app’s performance and distribution percentage before going public. While there are some advantages of refactoring tools for Android, you should always keep in mind that it’s best to avoid rewriting existing code if it’s not absolutely necessary.

MIT App Inventor

MIT App Inventor is an integrated development environment (IDE) for web applications. Originally provided by Google, it is now maintained by the Massachusetts Institute of Technology. The IDE makes it easy for developers to create applications for various platforms. The MIT App Inventor tool is particularly useful for creating Android apps. It features a wide range of tools and libraries, including a visual programming environment for Android.

MIT App Inventor is also a great choice for beginners and teachers teaching coding in schools. The program’s ease of use makes it ideal for developing mobile application prototypes quickly. Students can create and test their creations on their own mobile devices, instead of being restricted to the computer lab. MIT has released several extensions to help developers build specialized mobile apps and interface with IOT devices. Kahi mea hou aʻe, developers can write custom components using this tool.

MIT App Inventor is a tool that can help students develop mobile apps. It has a graphical user interface and logical blocks that allow users to build and test their apps in real time. With its free version, Hiki i nā haumāna ke hālāwai me nā mea hana likeʻole a me nā nīnau nīnau. Kākoʻo ke kaiāulu a kōkua. Akā e hana i ka hapa nui o kēia papahana, Pono nā haumāna i kahi pilina pūnaewele maikaʻi.