Izilimi Zokuhlela Ezingcono Kakhulu Zohlelo Lwe-Android

Kulesi sihloko ngizokunikeza imininingwane ngezilimi ezinhle kakhulu zokuhlela ze-android programmierung, futhi kungani iPython ingcono kuneJava. Ngizophinde ngikhulume nge-Android Emulator Intel HAXM, enye yezinkundla ezibaluleke kakhulu zesoftware ye-android programmierung. Ake siqale. Ngithemba ukuthi usijabulele lesi sihloko. Uma unemibuzo noma ukuphawula mayelana nesihloko, ngicela ushiye amazwana. Ngingajabula ukubaphendula.

I-XML-Parsing Methode ye-XML-Daten createQuotesFromXMLString()

Ukusebenzisa i-'createQuotesFromXMLString()’ umsebenzi kuhlelo lwe-C# lokubuyisa nokubonisa idatha yombhalo ehambisanayo ilula. Ibuyisela uhlu lokufakiwe olumele okuthunyelwe ngakunye kokuphakelayo kwe-XML. Le ndlela icubungula iyunithi yezinhlamvu ye-XML futhi ibuyisela uhlu lwamanani ombhalo ngendlela yemakhaphu ye-HTML.

Kufanele uqale ushayele ikilasi elisebenzisa indlela yokudlulisa. Ingxenye yokuqala yale ndlela ukukhetha ukuthi yiziphi izinkambu ofuna ukuzihlaziya. Uma ukhetha i- “ukungena” umaka, umhlahleli uzokhipha idatha yalo maki nanoma ibaphi omaka abafakwe esidlekeni. Ingxenye yesibili yekilasi, fundaOkuphakelayo(), icubungula ifayela le-XML futhi ibuyisela Uhlu lwedatha ekhishiwe.

I-DOM API inikeza indlela ejwayelekile yokuhlukanisa imibhalo ye-XML. Leli klasi linikeza amakilasi nezindlela zokuzulazula, inqubo, bese ugcine idokhumenti. I-DOM API inikeza ama-API ajwayelekile ahlanganisiwe ukuze asebenzise i-DOM, okuhlanganisa ikhono lokwenza imisebenzi yosesho nokunqamula isihlahla sedokhumenti. Kuzinhlelo zokusebenza ezisebenzisanayo, ungakha imodeli yento yedokhumenti ye-XML usebenzisa i-DOM API.

I-Python iwulimi lokuhlela olungcono lohlelo lwe-android

Uma ungathanda ukuthuthukisa izinhlelo zokusebenza ze-Android, ungase uthande ukucabanga ukufunda iPython njengolimi lokuhlela. Izinhlelo zokusebenza zePython zinokusetshenziswa kwememori okuphezulu, kodwa amathuluzi enkampani yangaphandle angakwazi ukuwaguqulela ku-Android Package. Futhi ngenxa yesidingo esikhulayo sezinhlelo zokusebenza ze-Android, kunenzuzo ukwazi ulimi lohlelo olungaphezu kolulodwa ukuze uqinisekise ukuthi usebenza nesixazululo esingcono kakhulu. Izigaba ezilandelayo zizoxoxa ngezinye zezizathu ezenza iPython ibe ulimi olungcono lokuhlela lokuthuthukisa uhlelo lokusebenza lwe-Android.

Kulula ukufunda iPython, nokuthandwa kwayo kuyakhula. Kweyodwa, izinhlobo eziningi ezinkulu ezifana ne-Uber neSpotify zisebenzisa ulimi. Futhi isetshenziswa kabanzi ngabathuthukisi, okwenza kube lula kwabaqalayo ukufunda. Ngaphezu kwalokho, abathuthukisi bazokuthola kulula kakhulu ukwenza izinhlelo zokusebenza ze-Android besebenzisa iPython ngoba ivumela abathuthukisi ukuthi basebenzise amamojula ukuphatha idatha enkulu.. Ngenxa yokuthandwa kwayo, I-python isiba ulimi lokuhlela oludume kakhulu lwezinhlelo zokusebenza ze-Android, ikakhulukazi amabhizinisi nabaqalayo.

Enye inzuzo enkulu yePython ukuhambisana kwayo okuhle. Ingasebenza kumasistimu okusebenza amaningi nezinkundla. Ungakwazi ukwengeza nokukhipha amamojula nemisebenzi kamuva ngaphandle kokuthi uphinde ubhale uhlelo lokusebenza. Futhi iPython iphinde ikunikeze amandla okubhala izivivinyo nokuqapha ukwakheka kohlelo lokusebenza ngesikhathi sangempela. Lesi ngesinye sezizathu eziyinhloko ezenza iPython idume kakhulu phakathi konjiniyela. Futhi okokugcina, kulula ukufunda nokusebenzisa.

Izinzuzo zePython phezu kweJava ziningi. I-Python kulula ukuyifunda, futhi yenza ukubhala ngekhodi kusheshe. I-Python nayo iyasebenza kakhulu, futhi ingakusiza ukuthi uthuthukise izinhlelo zokusebenza zeselula ngokushesha kakhulu kune-Java. Ukuthi ufuna ithimba lokuthuthukisa i-Android, ungaqasha umhleli we-python ongcono kakhulu otholakalayo ukuze akusize udale uhlelo lokusebenza oluphelele lwamakhasimende akho. Futhi ngenxa yokuthi abathuthukisi be-Android bavame ukusebenzisa iPython kunezinye izilimi, uzoba nezinketho eziningi ongakhetha kuzo.

I-Java iwulimi lokuhlela oludume kakhulu lwe-android programmierung

Uma ufuna ukufunda uhlelo lwe-Android, uzodinga ukufunda i-Java. Ziningi izinzuzo zalolu limi lokuhlela, kodwa inezihibe zayo futhi. Lesi sihloko sichaza ezinye zezinzuzo ze-Kotlin. Naphezu kokulinganiselwa kwayo, I-Java isetshenziswa kakhulu futhi iwulimi lokuhlela olusetshenziswa kakhulu lwe-Android. Lesi sihloko sichaza ezinye zezinzuzo kanye nokubi. Futhi kuyisinqumo esihle sohlelo lwe-Android uma ufuna ukubhala izinhlelo zokusebenza ze-Android.

I-Kotlin iwulimi lokuhlela lomthombo ovulekile olusebenza ku-Java Virtual Machine. Kulula ukufunda futhi ine-syntax emfushane. Abathuthukisi bohlelo lokusebenza lwe-android abaningi bakhetha yona kune-Java ngenxa yokusebenziseka kwayo kalula nokufinyeleleka kwayo. Iphinde ibe nezici zokuphepha eziqinile futhi iyahambisana ne-cross-platform. I-Kotlin iyindlela ethandwayo ye-Java yokuthuthukiswa kwe-Android. Kumahhala, kulula ukuyisebenzisa, kanye ne-cross-platform ehambisanayo.

I-Java iwulimi lokuhlela oludume kakhulu ekuthuthukisweni kwe-android, ngakho-ke kuyisinqumo esihle uma ufuna ukuqalisa ngokushesha. Nokho, uma ufuna ulimi okulula ukulufunda nolusheshayo, I-C # iyisinqumo esihle. I-C++ ingolunye ulimi lokuhlela lwe-cross-platform, futhi isetshenziselwa ukudala imidlalo yeselula. Imitapo yolwazi yayo inikezela ngokuphathwa kwenkumbulo okungcono kanye nokuvuza kwenkumbulo okumbalwa kune-Java.

Uhlelo lwe-Android ku-Java luyisisetshenziswa esihle kakhulu sabahleli bohlelo abasaqalayo. Nokho, I-Java ingase ibe nzima kakhulu kwabaqalayo, ngakho-ke kungcono ukufunda izilimi zokuhlela ezithuthuke kakhulu. I-Kotlin iwulimi lwezingxenyekazi ezihlukene, futhi isebenza ku-Java Virtual Machine. Izinzuzo zokufunda i-Android nge-Java azibonakali nje kuphela. Uzofunda okwengeziwe ngolimi, kodwa futhi uthole ulwazi oludingayo ukuze uqale ukwenza izinhlelo zokusebenza ze-Android.

I-C# iwulimi lokuhlela olugxile entweni olwakhiwe yi-Microsoft. Iwulimi olugxile entweni futhi isebenza ku-Common Language Runtime. Lokhu kusho ukuthi isebenza kuwo wonke amapulatifomu, kuhlanganise ne-Android. Kungenye yezinketho ezinhle kakhulu zonjiniyela be-Android, kodwa kudinga isipiliyoni seminyaka ukufunda ulimi kahle. Naphezu kokuthandwa kwayo, I-Java iwulimi okunzima ukulufunda, futhi ayizi nezinsiza eziningi.

I-Android Emulator Intel HAXM iyinkundla yesofthiwe ebalulekile yohlelo lwe-android

Njengoba onjiniyela be-Android bebefuna intuthuko ekusebenzeni kwe-emulator ye-Android, I-Intel iqhamuke nesixazululo. Umshayeli omusha we-Intel HAXM uklanyelwe ukuthuthukisa ukusebenza kwe-emulator ye-Android ngendlela emangazayo. Ngokubuyekezwa kwayo kwesithathu, iyakwazi ukuguqula ama-laptops angasebenzi abe yizindawo ezisebenzayo zokuthuthukiswa. Qhubeka ufunde ukuthola ukuthi ungasebenzisa kanjani umshayeli omusha.

Ungakwazi ukusebenzisa i-emulator ku-PC ene-64-bit processor kanye nekhamera yewebhu ekwazi ukuthwebula amafreyimu angu-720p.. Amanye ama-emulators akwazisa ukuthi uvule ukusheshisa kwehadiwe, okungathuthukisa ukusebenza kwedivayisi ebonakalayo. Okwezinhlelo ze-Intel, Inguqulo ye-HAXM 7.2.0 iyadingeka. Izinhlelo ze-AMD zidinga ukwesekwa kwe-AMD-V kanye ne-Windows Hypervisor Platform API.

Lapho usebenzisa i-emulator, kufanele uqiniseke ukuthi isekela Ileveli ye-API 17 futhi ifakwe emshinini wokusingathwa. Okwezinhlelo ze-x86, I-HAXM iphinde isekele ukulingiswa kwe-GPU. Ukulingisa i-GPU, ngenye indlela eyaziwa ngokuthi “Ukusheshisa kwe-GPU”, isebenzisa i-GPU emshinini wokusingathwa ukuze isheshise isivinini se-emulator. Uma udinga i-emulator esheshayo, Ukulingisa i-GPU kuyindlela enhle.

I-emulator ye-Android ingalingisa idivayisi ye-Android kukhompuyutha yakho futhi ilingise wonke amakhono ayo. Ingakwazi ukulingisa zonke izici zedivayisi okuhlanganisa amakholi angenayo nemilayezo yombhalo, isivinini senethiwekhi, ukuzungeza, nezinye izinzwa zehadiwe. Lokhu kungasheshisa kakhulu ukudluliswa kwedatha. Ungasebenzisa ngisho i-emulator ukuhlola uhlelo lwakho lokusebenza kumongo wangempela. Ukuba ne-emulator kuphinde kunikeze ithuba lokuhlola idivayisi emongweni ngaphandle kobunzima bokulungisa eyangempela..

Ungasebenzisa futhi i-emulator ukurekhoda umsindo noma ividiyo. Ngokuhudulela amafayela esikrinini se-emulator, abekwe ohlwini lwemibhalo olubizwa ngokuthi /sdcard/Download. Amafayela angabukwa nge-Device File Explorer noma ngohlelo lokusebenza lwamafayela noma lokulandiwe kudivayisi yakho. Uma ungenayo ikhompyutha yokufaka i-Android Studio, ungaqalisa uhlelo lwakho lokusebenza kusifanisi esikhundleni salokho.