Peb npaj koj qhov kev pom! Kev ua tau zoo nrog ONMA scout android app kev txhim kho yog lav.
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Yog tias koj npaj txhij tsim koj tus kheej hauv app, Muaj ntau yam koj yuav tsum tau paub ua ntej pib. Ua ntej, Android yog hookely fragmented kev ua lag luam. Cov khoom sib txawv khiav sib txawv ntawm Android, thiab kev tsim kho rau ntau cov khoom siv txhais tau tias ntau dua kev saib xyuas, nqi, thiab kuaj. Thib ob, Nws yog qhov tseem ceeb rau koj lub app los txhawb cov ntau ntawm sensors thiab UI chaw.
Java yog cov lus uas nrov tshaj plaws thiab yog qhov kev xaiv zoo rau kev tsim Android Apps. Cov lus yog hloov tau, scalable, thiab extensible. Nws tseem los nrog lub tsev qiv ntawv nplua nuj ntawm kev tsim qauv tsim qauv thiab kev coj ua zoo tshaj plaws. Ntxiv rau, Java yog qhib qhov chaw, uas txhais tau tias cov neeg tsim khoom tuaj yeem tsim cov haujlwm modular thiab rov siv cov lej. Qhov no txhais tau tias Android app tsim tuaj yeem siv Java los tsim ib qho app uas yog qhov tsis txaus ntseeg rau lawv cov kev xav tau.
Hauv Java, Nws yog ib qho tseem ceeb kom ceev faj thaum cuam tshuam nrog khoom. Cov khoom tuaj yeem tuav tiag lossis tsis muaj nuj nqis, yog li koj yuav tsum ceev faj thaum cuam tshuam nrog lawv. Feem ntau cov neeg tsim tawm daws cov teeb meem no los ntawm kev ntxiv cov ntawv tshaj tawm tsim nyog lossis siv cov kev xaiv. Txawm tias cov hau kev no, txawm li cas los xij, Yuam kev yuav tshwm sim. Hmoov zoo, Muaj ntau cov peev txheej uas tuaj yeem pab koj kawm Java rau Android App Stration.
Ua ntej, Koj yuav tsum muaj ib puag ncig kev loj hlob. Qhov no suav nrog Android Studio thiab Android SDK. Cov no yog dawb thiab qhib cov cuab yeej qhib uas tuaj yeem pab koj tsim cov apps hauv. Nco ntsoov tias koj muaj cov ntawv tshaj tawm tshiab ntawm cov pob software tsim hauv koj lub PC. Qhov no yuav tso cai rau koj los tsim kev ua haujlwm app sai sai. Cov kauj ruam tom ntej hauv kev tsim kho Android app yog txiav txim siab ntawm lub npe rau nws. Nco ntsoov muab koj lub app ib lub npe pob, uas yuav yog sab hauv kev siv rau hauv. Lub npe yuav tsum tau tsim los ntawm tus lej sau sab saum toj (e.g..com) ntxiv rau lub npe ntawm koj app. Yog tias koj tsis muaj tus sau, Koj tuaj yeem siv xwb “com” Raws li lub npe ntawm koj lub tuam txhab lossis app. Tom qab xaiv lub npe, Koj yuav tsum xaiv thaj chaw rau nws los khaws cov ntaub ntawv, thiab hom lus twg los siv.
Java yog qhov kev xaiv zoo tshaj plaws rau Android app kev txhim kho. Cov lus muaj txhua yam tsim nyog uas ib daim ntawv thov kev xav tau. Ntxiv rau kev ua ib qho kev ua kom muaj zog thiab hloov tau cov lus yooj yim, Java muaj ntau yam zoo dua lwm hom lus.
Coob tus neeg tsim tawm tau tig mus rau Nab hab sej rau Android app kev tsim kho vim yog nws yooj yim ntawm kev siv thiab nrawm. Sej muaj cov syntax zoo tshaj plaws, uas txhais tau tias koj tuaj yeem tsim cov apps uas tsis muaj teeb meem ntau dhau. Cov lus no tseem tau ntau platform thiab muaj qib siab ntawm kev rov ua haujlwm. Qhov no txhais tau tias koj tuaj yeem tsim thiab rov siv cov code uas koj twb tau sau rau lwm daim ntawv thov.
Ib qho tsis zoo ntawm kev siv sej rau Android app kev loj hlob yog qhov tseeb tias nws tsis yog ib txwm mus rau hauv lossis iOS, uas yuav ua rau qee qhov tsis sib xws hauv cov qauv sib txawv ntawm koj app. Txawm li cas los, Koj tuaj yeem txo cov teeb meem no los ntawm kev ua haujlwm nrog pab pawg ntawm sej cov neeg tsim khoom uas tseem tau paub txog kev tsim cov app txawb.
Thaum sej tsis yog hom lus rau Android, Nws tuaj yeem siv los tsim cov apps siv Android's XML-RAWS LI. Pyqtdeplate, piv txwv, Pab koj sau cov ntawv thov rau hauv los ntawm kev tsim cov Qt.Pro cov ntaub ntawv thiab platform-tshwj xeeb ua. Ntxiv mus, Muaj ib lub plugin hu ua Chamoopy uas tso cai rau koj los sib tov sej thiab java code hauv koj app tsis muaj teeb meem.
Lub sej lub zej zog yog nquag heev thiab muab cov ntaub ntawv ntau ntawm cov ntaub ntawv, khoom qhia, Thiab cov kev qhia. Kivy yog qhov qhib-chaw teev ntuj lub tsev qiv ntawv uas txhawb nqa hauv kev txhim kho Android app. Nws tseem tau tshaj iOS, Tus x, thiab linux. Ntxiv mus, Nws tseem tso cai rau koj los tsim cov apps kov ntau, uas yog ib tug loj ntxiv rau ntau tus neeg tsim khoom.
Beeware tso cai rau koj kom haum rau lub interface thiab tus cwj pwm ntawm koj sej txawb app. Nws yog qhib-qhov chaw thiab BSD-ntawv tso cai, uas txhais tau tias nws muaj rau txhua tus. Pab neeg ua haujlwm tau ua haujlwm tau txhawb txoj kev txhim kho txoj kev loj hlob ntawm lub siab, zej zog.
Yog tias koj siv Android Studio, Koj twb tau nres thiab ntsia cov tshiab version ntawm Android NDK. Cov version no feem ntau haum rau feem ntau cov phiaj xwm. Txawm li cas los, Muaj qee lub sijhawm koj yuav tsum tau siv cov qauv sib txawv. Hmoov zoo, Koj tuaj yeem tsim kho cov chav hauv lub studio siv cov ndk tshwj xeeb rau koj qhov project. Cov NDK versions yuav muab khaws cia rau hauv Android-SDK / NDK / Cov Ntawv Qhia.
Android NDK tso cai rau cov neeg tsim khoom siv cov khoom ua haujlwm ib txwm ua thiab ua kom zoo rau kev ua haujlwm. Qhov no txhais tau tias cov tsim tawm tuaj yeem rov qab siv dua thiab tsim tsev qiv ntawv thiab cov ntawv thov ib txwm muaj. Piv txwv li, Yog tias koj cov app siv cov duab, Koj tuaj yeem siv cov duab kos duab ib txwm API. Nws tseem ua rau koj tsim cov tsev qiv ntawv zoo li qub thiab cov tsev khaws ntaub ntawv.
Thaum koj ua haujlwm nrog Android NDK, Koj tuaj yeem tsim txoj haujlwm tshiab, muab ib qho uas twb muaj lawm, lossis qhib ib qho uas twb muaj lawm. Ntxiv rau, NDK kuj tseem muaj cov qauv thiab cov ntaub ntawv, Raws li tau ntau yam qauv cov ntawv thov. Koj tuaj yeem kuaj koj cov ntawv thov ntawm lub xov tooj tiag lossis emulator tiag.
Android NDK tso cai rau koj siv cov lus xaiv ib txwm xws li C ++. Qhov no muaj txiaj ntsig zoo rau kev siv cov haujlwm sib luag, Cov khoom siv zoo ua haujlwm, thiab muab cov tsev qiv ntawv uas twb muaj lawm rau hauv apps. Txawm li cas los, Feem ntau cov apps tsis tas yuav muaj hom coding. Tab sis yog tias koj tab tom tsim kev ua si siab lossis appricisticated app, Nws tsim nyog nqis peev hauv NDK.
Thaum nws los txog Java code, Android muab ib lub tshuab Dalvik Virtual (Vm), uas yog Java-raws tus neeg txhais lus. Qhov VM no tshwj xeeb tshaj yog ua kom zoo rau cov kab ke nrog cov khoom siv kho vajtse txwv.
Yog tias koj tab tom nrhiav kom paub cov hauv paus ntawm KOTLIN rau Android app kev loj hlob, koj tuaj rau qhov chaw zoo. Phau ntawv no los ntawm Peter Sommerhoff mus taug kev koj los ntawm cov txheej txheem ntawm kev txhim kho ob Android apps siv cov lus. Nws suav nrog cov kev cai sau ua ke uas yuav muaj txiaj ntsig zoo li koj tau kawm cov lus.
Phau ntawv muaj kev qhia zoo rau Kotlin, nrog rau cov teeb tsa loj dua. Nws tseem taug koj los ntawm kev txhim kho ntawm ob hauv xov tooj ntawd, Thiab suav nrog ntau cov piv txwv los pab koj kawm cov lus. Tsis hais seb koj puas yog cia li kawm cov hauv paus lossis xav tau cov khoom noj kom ceev, KOTLIN yuav pab koj txhim kho koj cov apps nrawm thiab zoo.
Ua ntej Drackling Kotlin rau Android App Stration, Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov lus muaj kev sib tw kev kawm nkhaus. Nws yog ib qho tseem ceeb uas yuav tau siv sijhawm los paub koj tus kheej nrog cov lus tshiab, thiab los txiav txim siab yuav ua li cas tus hloov yuav cuam tshuam cov qauv ntawm koj qhov project. Ntxiv rau, Nws yog ib qho tseem ceeb kom paub tseeb tias lub xov tooj ntawm tes koj siv tau nthuav dav thiab sib haum nrog Kotlin.
Kotlin yog cov lus qhib, uas txhais tau tias koj tuaj yeem nrhiav tau yooj yim piv txwv ntawm cov cai. Cov cai kuj tseem khaws cia rau Github los ntawm pab pawg Jetbrains. Qhov no ua rau nws yooj yim dua rau cov neeg tsim khoom los qhia lawv cov kev tsim yaam tshab nrog zej zog. Nws yog pub dawb! KOTLIN tau dhau los ua tus nyiam xaiv rau cov neeg tsim tawm thoob plaws ntiaj teb, Thiab nws tau siv ntau cov tuam txhab loj thiab tsim cov hom.
Ib qho kom zoo dua ntawm KOTLIN yog tias nws yog hla-platform. Vim tias nws tau sib haum nrog java, Kotlin Code tuaj yeem muab tso ua ke rau ntau lub platform. Qhov no yog qhov zoo rau ntau tus neeg tsim khoom txawb uas xav tau los tsim ntau yam ntawm lawv cov apps. Nws tseem muaj cov teeb tsa muaj zog thiab ua haujlwm rau Android app kev loj hlob. Txawm li cas los, KOTLIN muaj txoj kev mus ntev mus rau hauv cov lus ntawm kev sib raug zoo nrog cov tsev qiv ntawv tshiab.
Cov kev tshwm sim haiv neeg yog lub hom phiaj kev txhim kho uas tso cai rau koj los faib thiab faib ib qho app rau cov neeg tuaj yeem nrog ib tus counbase. Nws yog tsim nrog kev tsom mus rau cov kev paub ib txwm muaj, yog li koj app yuav khaws nws lub npe thiab mloog. Ntau lab ntawm cov tuam txhab, pib dua, thiab Tech Giants siv kev hnov mob ib txwm muaj rau lub zog lawv cov apps.
Siv cov haiv neeg yuav ua kom cov txheej txheem txhim kho kom ceev, Tab sis nws yuav tsis haum rau txhua hom apps. Piv txwv li, Tej zaum koj yuav xav tau ntiav ib txwm txawb app tsim los pab koj tso koj lub app ntawm ntau lub platform. Lawv yuav muaj kev paub ntau dua nrog cov khw muag khoom app thiab cov ntaub ntawv uas xav tau rau ib qho kev ua tiav. Qhov xwm zoo yog tias koj tuaj yeem zam kev ntiav tus tsim tawm uas tsuas yog ua haujlwm ntawm ib lub platform – Nws tuaj yeem siv sijhawm ntau los kawm cov thev naus laus zis thiab ua haujlwm nrog cov pab pawg sib txawv.
Yog tias koj tab tom tsim ib lub app ntawm Android, Koj yuav tsum xav txog qhov sib txawv ntawm Android version thiab Ntxim Ntxim. Piv txwv li, Android 9 Cov neeg siv tuaj yeem siv Android Studio los tsim ib qho kev cai icon. Hauv Android Studio, Koj tuaj yeem tuaj yeem xa cov icon loj thiab dhau los ntawm lub neej ntawd icon rau koj app. Thaum koj tshaj tawm koj lub app, Nco ntsoov muab koj lub app mus rau Google Play Store.
Lwm qhov zoo dua ntawm kev hnov qab haiv neeg yog nws lub peev xwm los hla kev kev txhim kho platform. Txoj kev no, Koj tuaj yeem khaws koj cov app khiav thaum ua kev hloov pauv rau UI thiab Code. Qhov no yog qhov zoo dua vim tias nws txuag tus tsim tawm lub sijhawm thiab txo lub sijhawm siv rau kev rov tsim lub app. Dhau li, Refore Met Haiv neeg tseem muaj qhov ua tau ntawm cov cim hauv lub tsev.