Muna tsara iyawar ku! Kyakkyawan aiki tare da ONMA scout android app yana da garantin haɓakawa.
Tuntuɓar
Idan kuna son sanin yadda ake tsara aikace-aikacen Android, akwai 'yan abubuwan da kuke buƙatar sani. Idan kun kasance sababbi ga wannan filin, yana da daraja ɗaukar ƴan mintuna kaɗan don karanta wasu mahimman abubuwa da farko. Yi karatu akan Java, Abubuwan da ake nufi, ShareActionProvider, da XML-Parsing Methode.
Shirya aikace-aikacen Android ba lallai ne ya zama mai wahala ba – akwai kayan aikin da yawa waɗanda zasu taimaka muku ƙirƙirar aikace-aikacen cikin sauri da sauƙi. Na farko, kana buƙatar zazzage software ɗin coding da ta dace. Na gaba, shigar Java da yanayin haɓaka app, kamar Android Studio. Wannan zai ba ku damar ƙirƙirar app a cikin ɗan lokaci. Hakanan kuna son ayyana tsari da shimfidar ƙa'idar. Bayan wannan, za ka iya zabar ƙirar ƙira.
Hakanan zaka iya zaɓar kayan haɓaka app na Android. Waɗannan kayan aikin sun dace don farawa masu haɓakawa kuma sun zo tare da nau'ikan koyawa da kayan tunani. Da zarar kun sauke SDK, za ku iya fara zayyana da kuma tsara manhajar Android ɗin ku ta farko. Android SDK wajibi ne ga masu farawa, kuma akwai wadatattun albarkatun kan layi kyauta, gami da darussa da dama, rubutu, da kuma misalan bidiyo. Idan kun kasance sababbi ga shirye-shirye, Hakanan zaka iya shiga dandalin CHIP, inda zaku iya yin tambayoyi da musayar shawarwari tare da wasu gogaggun masu shirye-shirye.
Kurs ɗin kan layi na Android yana ba da gabatarwa mai zurfi ga haɓaka app ɗin Android, rufe duk abubuwan da suka wajaba don ƙirƙirar ƙwararrun app. Marubucin ya bi ku ta hanyar ci gaba mataki-mataki, ya kuma bayyana muhimman abubuwan da suka shafi yin codeing na ƙwararriyar manhajar Android. Hakanan rubutun yana koya muku yadda ake amfani da Android Studio da sauran kayan aikin da yawa. Za ku kuma koyi yadda ake tsara apps tare da fuska da yawa, baya tafiyar matakai, da dai sauransu.
Idan kana son shirya apps na Android don amsa wata niyya, za ka iya amfani da Android's intent programmierung framework. Ana iya amfani da abubuwan da ake nufi don jawo ayyuka da aika bayanai zuwa uwar garken. Tsarin intent programmierung na Android yana ba da hanyoyi da yawa don cika wannan. Ɗaya daga cikin waɗannan hanyoyin ita ce yin amfani da Google Maps.
Intents sune tushen yawancin aikace-aikacen Android. Suna ba da damar ƙa'idodin ku don sadarwa tare da wasu aikace-aikacen, aka gyara, da na'urori. Hakanan ana iya amfani da su don kewaya cikin aikace-aikacen, kamar lokacin da mai amfani ya karɓi hanyar biyan kuɗi a cikin SMS ɗin su. Wannan fasalin yana ba da damar aika bayanai daga wannan app zuwa wani, koda daga aikace-aikace iri ɗaya ne.
Abubuwan da ake nufi suna ba da damar aikace-aikacen Android ɗinku don aika bayanai zuwa wasu ƙa'idodin, kamar fayiloli. Hakanan kuna iya buƙatar aikace-aikacen ku buɗe fayil daga wani app ɗin. Don yin wannan, dole ne ka saka nau'in MIME da wurin URI. A madadin, za ku iya buƙatar ƙirƙirar sabuwar takarda. Muddin wani app ne ke sarrafa fayil ɗin, apps na Android na iya aika bayanai zuwa wurin. Ana aika bayanan zuwa uwar garken ta amfani da URI.
Ana amfani da intents a cikin aikace-aikacen Android don yin ayyuka daban-daban a bango. Suna da amfani lokacin da kake son fara aiki na lokaci ɗaya kuma ba sa buƙatar hulɗar mai amfani. Ana iya ƙaddamar da niyya zuwa Sabis na farawa() hanyar app ɗin ku. Hakanan za'a iya amfani da abubuwan da ake nufi don aika saƙonni zuwa wasu ƙa'idodi. Misali, Ana iya amfani da niyya don gaya wa wani app cewa fayil ya gama saukewa kuma yana shirye don amfani. Hakanan ana iya amfani da niyya tare da haɗin gwiwa, tare da taimakon Watsa shirye-shiryen Receivers.
Idan kuna son raba abun ciki tsakanin aikace-aikacen ku na Android, Kuna iya amfani da ShareActionProvider. Yana aiki ta hanyar nuna jerin abubuwan rabawa akan allon. Lokacin da mai amfani ya danna gunkin app, za a kunna ShareActionProvider.
Wannan widget din mai sauƙi ne amma mai ƙarfi wanda ke kula da ɗabi'a da bayyanar ku. Duk abin da kuke buƙatar yi shine saka sunan maƙasudin rabon. The ShareActionProvider zai kiyaye kimar rabon hari kuma zai nuna mafi shaharar manufa rabo a mashaya app..
Wannan kayan aiki yana da kyau ga masu farawa don tsara aikace-aikacen Android. Tare da wannan kayan aiki, zaku iya haɗa app ɗin ku na Android zuwa sabis ɗin gidan yanar gizo mai daidaita REST. Wannan yana da amfani musamman lokacin nuna bayanai. Ka'idodin wayar hannu suna haifar da ƙima mai girma lokacin da suke nuna bayanai. Duk da haka, ba a adana bayanan akan na'urar kanta – maimakon haka, Ana sauke shi daga sabis na gidan yanar gizo daban-daban yayin lokacin aikin app.
Kuna buƙatar samun ilimin Java idan kuna son ƙirƙirar aikace-aikacen Android. Kuna iya saukar da Android Studio, yanayin bunƙasa buɗaɗɗen tushe ta Google. Akwai rubutu da bidiyo da yawa akan layi don taimaka muku farawa. Hakanan zaka iya shiga dandalin CHIP don musayar ra'ayi tare da sauran masu haɓakawa.
XML-Parsing wani muhimmin bangare ne na shirye-shiryen aikace-aikacen Android. Wannan aikin gama gari ne saboda yawancin gidajen yanar gizo da dandamali na rubutun ra'ayin kanka a yanar gizo suna amfani da tsarin XML don raba bayanai. Aikace-aikacen Android suna buƙatar sanin yadda ake amfani da wannan bayanan a cikin aikace-aikacen su, kuma wannan hanya ce mai tasiri. Yana ɗaukar bayanai daga fayil ɗin rubutu kuma yana sarrafa shi ta amfani da tsarin da ya dace da abu. Akwai nau'ikan masu binciken XML iri uku a cikin Android. Mafi yawan amfani shine XMLPullParser. Yana da sauƙi don amfani da inganci.
Samfurin ƙa'idar yana ƙaddamar da alamun gurbi kamar take, mahada, da kuma taƙaitawa. Hakanan yana da hanyar da ake kira tsallakewa(). Wannan hanyar tana fitar da take, mahada, da kuma taƙaitawa daga takaddar XML. Sannan tana aiwatar da abinci akai-akai kuma tana mayar da Jerin abubuwan shigarwa. Lokacin da kuskure ya faru yayin tantancewa, app zai jefa banda.
Mataki na farko na koyon yadda ake amfani da XML-Parsing Methode a cikin shirye-shiryen aikace-aikacen Android shine saita yanayin ku. Ana buƙatar Android Studio don gudanar da lambar misali. Ba kwa buƙatar amfani da sabuwar sigar Android SDK API. Ana samun asali na XML da bincike na JSON tun farkon zamanin Android.
Wataƙila kun ji labarin XML-Daten, kuma kana iya koyan yadda ake yin programming da su domin kara sanya manhajar Android dinka dadi. XML harshe ne da aka saba amfani da shi don musayar bayanai tsakanin kwamfutoci da aikace-aikace, kamar a cikin gidajen yanar gizo. Aikace-aikacen ku na Android za su iya karantawa da rubuta waɗannan bayanai a cikin hanyar XML-string, wanda dole ne a yi la'akari da shi don a fassara shi.
XML-Daten sune tushen shirye-shirye na tushen XML, kuma ana amfani da su don dalilai daban-daban. Harshen yana da ƙarancin koyo kuma yana da sauƙin amfani don aikace-aikace da yawa. Hakanan tsari ne mai sauƙi don fahimta, kuma kuna iya samun misalai da yawa akan layi. Hakanan zaka iya zazzage fayilolin XML da buɗe su a cikin editan rubutu don Android.
Kuna iya karanta XML-Daten don aikace-aikacen Android ta hanyar ma'anar sunan fakitin app ɗinku da shafin farawa. Hakanan zaka iya ayyana ayyuka daban-daban da abubuwan app ɗin ku.
Akwai fa'idodi da yawa don haɓaka PWA maimakon ƙa'idar asali don Android. Abu daya, PWAs na iya zama ƙasa da tsada sosai fiye da ƙa'idodin asali. Hakanan, PWAs na iya zama mai amsawa a cikin na'urori. Duk da yake dole ne a keɓance ƙa'idodin ƙa'idodin asali don dacewa da girman allo daban-daban, An tsara PWAs don yin aiki akan kowace na'ura.
Duk da yake aikace-aikacen asali sun fi tsada don haɓakawa, aikace-aikacen gidan yanar gizo masu ci gaba sun fi sauri. Waɗannan aikace-aikacen suna amfani da HTML, CSS, da JavaScript don ƙirƙirar aikace-aikace. Duk da haka, suna ba da ayyuka masu iyaka, kamar rashin iya shiga kalanda, abokan hulɗa, alamomin burauza, da Bluetooth.
Duk da wadannan drawbacks, aikace-aikacen gidan yanar gizo masu ci gaba na iya yin amfani da fasalolin na'urar. Sabanin ƙa'idodin asali, aikace-aikacen gidan yanar gizo masu ci gaba na iya samun dama ga duk fasalolin na'ura, ciki har da kyamara, kamfas, da lissafin lamba. Wadannan abubuwan zasu iya taimaka muku yanke shawarar wacce zaku yi amfani da ita kuma ko yana da darajar lokacin ku don saka hannun jari a cikin ci gaba.
Ayyukan yanar gizo masu ci gaba na iya aikawa da karɓar sanarwar turawa da yin layi. Bugu da kari, ana iya gina su akan kowane tsarin aiki. Waɗannan ƙa'idodin yanar gizo sun dace don isar da abun ciki ga mai amfani da wayar hannu.
Don ƙirƙirar aikace-aikacen Android, Kuna iya amfani da Android Studio. Kuna iya amfani da samfuran da aka riga aka tsara don farawa. Sannan, za ka iya zaɓar nau'in na'urar da kake so ka yi niyya. Hakanan zaka iya zaɓar mafi ƙarancin SDK da ake buƙata don gina app ɗin ku. Kuna buƙatar ƙara wasu fayiloli zuwa aikin.
Ayyukan Android suna da manyan fayiloli da fayiloli daban-daban don dalilai daban-daban. Baya ga ƙunshi lambar tushe don aikace-aikacen ku, suna kuma dauke da dakunan karatu. Babban fayil ɗin libs yana riƙe da ƙarin fayilolin jar da ake buƙata ta lokacin aikin aikace-aikacen. Babban fayil ɗin kadarorin yana ƙunshe da kadarorin da za a iya zana da fayiloli masu tsayi. Daga karshe, gen/ babban fayil ɗin ya ƙunshi lambar tushe da kayan aikin gini na Android ke samarwa.
Kuna iya ƙirƙirar aikace-aikacen Android ta amfani da Java da XML. Baya ga wannan, Hakanan zaka iya amfani da PHP da SQL don ƙirƙirar bayanan baya da sarrafa bayanai. Don haɓaka app ɗin ku, za ku buƙaci Android Studio. Da zarar kun yi wannan, za ka iya amfani da Java, XML, ko JSON don tsara ƙarshen-ƙarshen aikace-aikacen ku.
Babban fayil ɗin src ya ƙunshi fayilolin Java. Babban fayil ɗin lib ya ƙunshi ƙarin fayilolin jar da Android ke amfani da su. Babban fayil ɗin res yana riƙe da albarkatun waje don aikace-aikacen ku, kamar hotuna, shimfidar fayilolin XML, da fayilolin mai jiwuwa. Haka kuma, babban fayil na mipmap shine inda zaku sanya alamar app ɗin ku. Hakazalika, ya kamata ku sanya wasu kadarorin da za a iya zana a cikin manyan manyan fayiloli nasu.
Da fatan za a kula, cewa muna amfani da kukis, don inganta amfani da wannan gidan yanar gizon. Ta ziyartar shafin
kara amfani, karbi waɗannan kukis
Kuna iya samun ƙarin bayani game da kukis a cikin sanarwar kariyar bayanan mu