Peb npaj koj qhov kev pom! Kev ua tau zoo nrog ONMA scout android app kev txhim kho yog lav.
Hu rau
Nrog Android, it’s easy to develop an app, but if you don’t know where to start, Tsis txhob txhawj – there are lots of resources online to help you out. You can learn about Intent Systems, ShareActionProvider, thiab OnItemLongClickListener. You’ll soon be an Android pro and be able to build a great app in no time! Keep reading to learn how to get started!
Android apps can use Intent Systems to communicate between components and activities. Intents can be set to trigger actions or a broadcast message. You can register to events in order to react to them. You can specify data using URIs and MIME types. The type of data you want to send must be compatible with the actions you want to trigger in the app. Intents can contain header data as well as additional data based on the Bundle class, uas koj tuaj yeem khaws nrog cov getExtras() txoj kev.
Intents tuaj yeem siv los tso cov ntawv ceeb toom rau tus neeg siv, ceeb toom lawv kom hloov hauv xeev, lossis coj lwm yam kev ua. Intents kuj tseem tuaj yeem ua rau ib qho haujlwm uas tus neeg siv tuaj yeem ua ib zaug. Cov haujlwm tuaj yeem raug kaw thaum cov neeg siv lub siab nyiam. Intents ua haujlwm tom qab lub scenes thiab muaj kev ywj pheej los ntawm tus neeg siv. Lawv kuj tso cai rau koj xa cov lus yog tias cov ntaub ntawv npaj tau siv lossis raug rub tawm. Tsim cov ntawv thov mobile uas siv cov txheej txheem siab yog cov txheej txheem sib txawv.
Los tsim ib qho kev thov Android, Koj yuav xav tau ib qho kev ua haujlwm zoo. Qhov no yuav pab koj kom nthuav koj lub app txoj haujlwm rau lwm cov ntawv thov. Android interents yog kev sib koom tes sib koom tes. Kev nkag siab yog txoj hauv kev zoo kom tau txais koj daim ntawv thov pom los ntawm koj cov neeg siv. Los ntawm kev ntxiv ib qho kev xav rau koj qhov project, Koj yuav nyob ntawm koj txoj kev mus rau Android app uas txhua tus tuaj yeem txaus siab. Lub hauv paus hauv xov tooj ntawd tau ua rau kev nkag siab yooj yim dua los sib xyaw nrog lwm cov ntawv thov thiab ua rau hloov ntawm cov ntawv thov seamless.
Thaum txhim kho koj app, Koj yuav tsum paub cov sib txawv ntawm cov kev nkag siab thiab lawv ua haujlwm li cas. Koj tuaj yeem siv cov no los ua koj cov app hauv app thiab tsim cov ntsiab lus sib tham ntau. Koj kuj tseem tuaj yeem ua raws li lwm cov apps, xws li cov ntawv ceeb toom. Koj tseem tuaj yeem siv tib txoj kev los ua kom muaj kev sib txuam nrog lwm app. Kev nkag siab tuaj yeem cuam tshuam nrog cov carappextenders rau kev siv yooj yim. Kev nkag siab kuj tseem tuaj yeem siv nyob rau hauv cov apps los qhia rau tus neeg siv khoom thaum muaj xwm ceev.
Kev nkag siab yog cov khoom siv tseem ceeb ntawm Android apps. Ib qho kev xav yog ib qho khoom siv uas muaj cov ntaub ntawv hais txog kev nqis tes ua uas tus neeg siv xav noj. Intents yog siv nyob rau hauv ntau txoj kev, suav nrog qhov chaw taug qab, kev tsav nkoj, thiab ntau dua. Ib qho tib si tuaj yeem pib ib qho haujlwm lossis cov browser tiv thaiv. Thiab Android system tuaj yeem txheeb xyuas cov khoom siv uas tuaj yeem ua rau muaj kev xav. Nws tseem yog ib qho tseem ceeb kom paub tias kev xav ua haujlwm li cas thiab yuav siv lawv li cas rau koj tus kheej cov apps.
Ib zaug npaj siab xa, Lub hauv paus hauv xov tooj cua yuav khiav ib lub zog lim. Cov ntaub ntawv yuav txiav txim seb qhov twg los tau pib. Tom qab ntawd tus neeg siv tuaj yeem txiav txim siab uas lawv xav pom. Koj tuaj yeem sau npe sib txawv rau qee yam xwm txheej thiab cov lim dej. Lwm yam, ib qho tivthaiv uas tsis muaj lub lim lim kom muaj lub siab xav tau tsuas yog hu thaum ib qho kev xav tau qhia. This is what this chapter describes. Once a component is registered with an intent, it must be specified with the correct action, mime type, and meta-data.
ShareActionProvider for Android is a powerful framework that allows you to share and receive data from other Android apps. This framework is a part of the Android SDK and was introduced in Android 4.0 (API Level 14). It can be integrated into the Action Bar of your Android app. To learn more about ShareActionProvider, read the following tutorial. We will discuss the basics of ShareActionProvider in detail.
ShareActionProvider for Android app erstellen is a third party provider that allows developers to easily integrate with various data sources. You can use ShareActionProvider to pull data from the market and build your own investment app. Ib zaug koj tau tsim koj lub app, Koj tuaj yeem qhia cov ntaub ntawv nrog lwm cov apps ntawm koj lub cuab yeej. Piv txwv li, Yog tias koj xav qhia cov ntaub ntawv ntawm koj Facebook nplooj ntawv, Koj tuaj yeem kos tau qhov txuas rau lub vev xaib SharineTeprovider.
Lwm qhov tseem ceeb yog nws lub peev xwm los tuav ntau tus neeg siv kev ua. Nyob rau hauv no yam, Koj tuaj yeem ua rau koj lub app txawm sib tham ntau dua. Los ntawm kev siv tes taw, Koj tuaj yeem tsim tus neeg siv kev paub uas tau ua kom haum rau txoj kev uas koj cov neeg siv zoo li nws. Thiab, Nrog SharuareStProvider, Koj tseem tuaj yeem siv koj Android app los sau thiab qhia cov ntaub ntawv. Koj tuaj yeem siv nws kom tau txais cov ntawv ceeb toom thiab kev ceeb toom txog cov lus tshiab, thiab ua rau koj cov neeg siv zoo siab tib lub sijhawm.
Koj tuaj yeem kawm tag nrho cov txuj ci siab hauv Android App Editle Chav Kawm. Lub chav kawm muaj 35 lessons that take you step by step through the development of an Android app. It also teaches you how to create a SQLite database app. It will also help you build Android apps for other platforms. If you’re still stuck in the development phase, you can always refer to the course if you have questions.
Ntxiv rau, you can use the ShareActionProvider in the Action Bar to take advantage of the UI feature that allows you to split the ActionBar. This option can be used in your Action Bar if your app runs on Android 4.0 lossis siab dua. You can learn more about the ShareActionProvider in the Action Bar guide. It is important to note that this feature is only available on Android 4.0 thiab saum toj no.
OnItemLongClickListeners are interfaces that generate a callback function when an item is clicked or selected. Txoj kev no hu theitemonglicklicliclistener rau Android lub moj khaum kom paub txog thaum tus neeg siv nias lossis xaiv cov khoom ntev. Lub moj khaum Android ces tseem ceeb rau cov tswv yim thiab qhia cov lus ceeb toom popup luv luv thaum qhov kev ua si tiag tiag pom nyob rau tom qab.
Koj yuav tsum siv onitemclicklistener-interface ua ntej koj tuaj yeem tsim cov onitemongliccliclisteners-piv txwv. Cov interface no kom ntseeg tau tias lub onitemclick() Txoj kev tau siv. Nws yuav cia li hu los ntawm lub moj khaum hauv xov tooj ntawd thaum qhov kev tshwm sim ntev-tau tshwm sim. Yog xav paub ntxiv, Saib cov piv txwv hauv qab no. Qhov kev cai no qhia txog yuav ua li cas siv cov kev ua raws li koj hauv koj hauv app.
Thaum lub sijhawm ua haujlwm ntawm zaj lus qhia, Peb yuav siv onitemcliclistener. Peb yuav tso npe cov interface no nrog cov teev tseg hauv peb hauv app. Thaum nkag mus rau hauv cov npe yog nyem ntev, OneitemlongClickListener yuav pry. Nws yog ib qho tseem ceeb kom nco ntsoov tias cov qauv no tuaj yeem siv nrog cov chav tsis qhia npe lossis cov chav kawm tseem ceeb.
Ib zaug koj tau rau npe ib qho Oneitemlonglicteners piv txwv, Koj tuaj yeem tsim kho koj cov npe sau cia los teb thaum cov khoom hauv cov npe yog nyem. Qhov no yuav ua rau cov lus teb ntev-nias hauv kev tshaj tawm. Nws tseem yog ib lub tswv yim zoo kom muaj cov npe teev npe uas tau ua rau ntev mus rau ntev-nias. Ua li no, Koj cov neeg siv tau yooj yim nkag mus rau koj daim ntawv thov tsis tas yuav tsum tawm ntawm lawv lub tsev.