Yadda ake Shirye-shiryen Android Apps Tare da Java

Idan kun taɓa mamakin yadda za a inganta tsarin Android, Ba ku kadai bane. Akwai ton na albarkatu da aka samu akan Intanet, da kuma shirye-shirye na Android na Android ba banda ba. A cikin wannan labarin, Za ku koya game da kayan haɓaka Android App, Sharemar ShareCameProvider, Aiki Lifecycle Callbacks, da sauransu. Za ku kuma koya game da bambanci tsakanin aikace-aikacen ƙasa da kayan aikin yanar gizo mai ci gaba.

Java

Idan kun taɓa mamakin yadda ake shirin Android apps, Amsar tana da sauki – Kuna buƙatar koyon Java! Android apps suna da abubuwan haɗin guda biyu: aiki da kallo. Aikin yana bayyana babban zane da ayyukan app, Yayinda kake dauke da lambar Java wanda ke tantance abin da ya faru lokacin da aka matsa Button. Dukkan abubuwan da aka gina suna gudana akan na'urorin da suka dace. Wannan koyawa zai taimaka muku koyon yadda ake shirin Android apps tare da Java!

Wannan littafin yana koya muku kayan yau da kullun na Java don ci gaban Android, wanda yake da mahimmanci idan kuna son ƙirƙirar app gwani. Yana farawa da Android-Richtlines don ƙirar Interface, kuma ya ƙare da wani app wanda ke nuna wani lokaci. Za ku yi amfani da Java don ƙirƙirar app, Kuma zaku sami kwarewa da yawa a cikin aikin! Hakanan an cire shi tare da shawarwari masu taimako don yin app ɗinku nasara, kuma.

Tsarin koyon yadda ake shirin Android apps ya fara da rijista azaman mai haɓakawa tare da Google. Za ku biya kuɗi na lokaci ɗaya don wannan sabis ɗin, Amma bayan wannan, Kuna iya ba da apps ɗinku don saukarwa ko Siyarwa, kuma Google yana ɗaukar kuɗi don kowane siyarwa. Shirye-shiryen Android yana buƙatar amfani da Android SDK, Kuma Java babban kayan aiki ne don wannan. Kuna iya koyan Java ta bin waɗannan matakan.

ShareActionProvider

Raba Shareactionprovider don shirye-shiryen Apps Combaliren yana samar da wata hanya don masu haɓakawa don nuna bayanan jari a cikin aikace-aikacen su. API yana ba da damar masu haɓaka don ƙara rabuwa da azuzuwan ShareCyProviviliger zuwa ayyukan Android. API kuma yana ba da ikon aika bayanai zuwa wasu aikace-aikace. Don amfani da Shareacovrovider don kayan aikin Android, Farkon ƙirƙirar aikin Android sannan a sa shi a kwamfutarka ta adb. Wannan zai haifar da sabon aikin da zaku iya shigar da na'urar da aka haɗa. Da zarar kuna da sabon aikinku, Za ku iya sannan fara coding.

Zaka iya amfani da ShareCoachider don kayan aikin Android don nuna alamar alamar a cikin aikinka na App. Shareactionprovider zai ƙirƙiri ra'ayi don mai amfani ya gani lokacin da suke raba bayanai. Hakanan yana nuna ƙananan ƙananan ayyukan da ke jera ayyukan raba daban-daban. Yana yiwuwa a tsara niyyar waɗannan ayyukan. Hakanan zaka iya ƙara aiki zuwa Apartbar idan kana son mai amfani don ganin saƙo wanda ya sanar da su matsalar.

Shareactionprovider yana ba masu haɓakawa zuwa wakilan alhakin bayyanar da halayensu. Yana ba da damar masu haɓakawa don gina kayan aikin saka jari da ke barin masu amfani suna raba abubuwan da suke ciki tare da sauran apps. Shareactionprovider yana ba masu haɓaka don haɗa hanyar yanar gizo zuwa shafin yanar gizon ShareCyProvideD a cikin aikinsu. Shirin tare da ShareCoacrovrovider don kayan aikin Android

Aiki Lifecycle Callbacks

Don aiwatar da ayyukan rayuwar rayuwar mutane a cikin app na Android ɗinku, Dole ne ku san yadda ake amfani da Android Api. Tsarin na iya kiran Onstart da hanyoyin da yawa fiye da sau ɗaya a rayuwar wani aiki. A wannan lokacin, Ayyukan za su canza daga bayyane don ɓoye, Alternateating tsakanin Oncreate da Onstop. Don ganin lokacin da aka lalata aiki, Duba saƙonnin logcat. Idan baku iya samun hanyar da kuke nema ba, ya kamata ka yi la'akari da yaduwar API.

A cikin Android, yawanci zaka kira onstart() Don shigar da aiki cikin yanayin aiki. Idan aikin yana cikin bango, kan Dakata() za a kira shi. Hakazalika, wanda ba a iya amfani da shi ba() ana kiranta lokacin da aka rufe ayyukan. Dukkan Bayanan Bayani ana amfani da su don albarkatun kyauta kuma don kammala kowane aiki mai zurfi. Android ya kuma aiwatar da tabbatar da tabbacin cewa onsttop() Ana kiran hanyar.

An fallasa Android ta Android ta aikace-aikace ta hanyar ayyukan Kira Member. Wadannan takardar kira suna bin wani irin “tari” kuma ya bayyana faruwa a cikin tsari mara amfani. Sun kuma lura da abubuwan da dole ne a kula dasu a cikin kowane mataki. Domin yin amfani da kiran ayyukan tunawa da rayuwa, Ya kamata kuyi amfani da 'yanci ko nata_App_Glue. Akwai misalai da yawa na biyun.

Apps na asali vs Ayyukan Yanar Gizo masu Ci gaba

Daya daga cikin manyan bambance-bambance tsakanin aikace-aikacen yanar gizo (Pwa) Kuma aikace-aikace na ƙasa shine dandamali na aiwatarwa. Yayinda aka kirkiro kayan yau da kullun don gudanarwa kai tsaye akan na'urar OS, An gina Pwas ta amfani da fasahar yanar gizo. Suna gudu a cikin masu bincike kuma saboda haka ana iya ƙaddamar da sauri da sauri. Ba kamar aikace-aikacen ƙasa ba, duk da haka, Ba sa bukatar Ingantaccen Adireshin Store. Ana iya bunkasa su kuma sun ƙaddamar da sauri fiye da ɗabi'a na yau da kullun, Amma mai haɓakawa yana buƙatar gina sigogin biyu daban.

Baya ga waɗannan bambance-bambance, Tsarin ci gaba ya fi yawan shan lokaci don 'yan ƙasa. Apps na asali yakan ɗauki lokaci mai tsawo don haɓaka fiye da pwas, Amma sun fi amsawa. Saboda dole ne su wuce hanyoyin bita, Aikace-aikacen 'yan ƙasa sun fi wahalar saki kuma dole ne a sake nazarin su. Aikace-aikacen ƙasa ma suna da ƙananan yawan baturi fiye da pWAas. Bugu da kari, sun fi sauki fiye da pwas. Har ila yau, aikace-aikacen ƙasa ma suna da ayyukan sauke mataki biyu, Samun sauƙin sauƙaƙawa don canza abun ciki ba tare da sake aiwatar da aikin ba.

Gabaɗaya, Apps na ƙasa sune zaɓin zaɓi don masu haɓakawa saboda suna iya samun damar ƙarin fasali na na'urar. Wadannan apps ana gina su ta amfani da takamaiman yare na shirye-shirye kuma ana inganta su gudu a kan na'urar. Har ila yau, aikace-aikacen ƙasa suma suna da aminci kuma amintattu fiye da takwarorinsu na Pwa. Saboda, sun fi aminci fiye da takwarorinsu, Kuma aikinsu ya fi kyau. Don haka wanne ne mafi kyau? Karanta don ganowa!

Haɓaka ƙa'idar Android tana buƙatar haɓaka haɓakawa

Kafin ka fara yin lamba ta shirin Android, Yana da mahimmanci a fahimci abubuwan da aka gyara daban-daban na dandamalin Android da nau'ikan nau'ikan shirye-shirye da ake amfani da su. Android shine dandamali mai cikakken tsari tare da nau'ikan na'urar da yawa da tsarin aiki. Kowane na'ura tana da izini na musamman na izini, Kuma kowane aikace-aikacen dole ne ya bayyana waɗannan izini a cikin lambar aikace-aikacen ta hanyar amfani da izini-izini kashi da Android:halayyar izini.

Don farawa, android app furta da kayan aikin software da zai yi amfani da shi, kazalika da ɗakunan ɗakunan API zai yi amfani da shi. Aikace-aikacen Aikace-aikacen na yau da kullun ya haɗa da gunki, suna don cikakken yawan ɗaliban aji na ƙasan sa, da wata alama ce da za a iya ganin ga mai amfani. Waɗannan abubuwan da ake kira albarkatun a cikin lambar Android app. Ta amfani da waɗannan albarkatun, Za'a iya inganta ka'idodin don daidaitattun na'urar daban-daban.

Koyo zuwa Shirin Android app ba wasa bane na yaro

Yawan kayan aikin Android suna yin tarko. A gaskiya, Akwai 2.6 Na'urorin biliyan duniya, yin aikin ƙirƙirar app yayi alama kamar ba mai kwakwalwa. Kotlin, Yaren na zamani don Android, ana bada shawara ga syntax da kayan aikin tsaro na lamba. Kuna iya koyon kotolin akan layi don kyauta ko kuma rajista a cikin tsarin aji don hanya-LED.

Kyakkyawan lokaci mai kyau na iya farawa ta hanyar koyon kayan amfani da koyawa ta amfani da koyawa. Misali, Lambar awa – Android apps ta Google wuri ne mai kyau don farawa. Yana koyar da ka'idodi na asali, Amma bai mai da hankali kan kowane harshe na shirye-shiryen guda ba. Ba tare da la'akari da yaren da kuka zaba ba, Za ku koya game da tsarin bayanai, m, da madaukai. Wannan yana taimakawa ka gina ƙarin ka'idodi da sauri.