Dzidza maBasirwo eAroid App Development

Kugadzira Android application, Vagadziri vanoshandisa iyo Android SDK uye Java programming mutauro. Ne SDK, vanogona kugadzira imwe bhinari yeapp uye kuzivisa zvikamu zveUI vachishandisa lightweight seti yeXML zviwanikwa. Vanogona kushandisa universal UI framework kana kugadzira maUI maficha chaiwo emapiritsi kana mafoni.

Gradle

Gradle inzvimbo yekuvaka-yakatarisana nekusimudzira Android app. Iyo inobvumira akawanda mavhezheni ekushandisa kuti avakwe kubva kune imwechete purojekiti. Zvishandiso zveAroid zvinouya muhukuru hwakasiyana-siyana uye processor mhando, zvichiita kuti zvive zvakakosha kugadzira akawanda mavhezheni eapp. Kushandisa Gradle, unogona kunanga mhando dzakasiyana dzemidziyo.

Gradle ine marudzi maviri ekuvaka, debug uye kusunungura. Iyo debug yekuvaka mhando inogonesa kugadzirisa sarudzo uye kusaina iyo app nekiyi yekubvisa. Iyo yekuburitsa kuvaka mhando inogona kudzikira uye kukanganisa iyo app, pamwe nekuchisaina nekiyi yekuburitsa. Paunenge uchishandisa Gradle, zvakakosha kushandisa mhando yekuvaka yakakodzera.

Gradle chishandiso chekugadzira otomatiki chinobvumira vanogadzira kugadzira apk kubva kuJava kana XML faira. Inogona kuita mabasa akasiyana-siyana, kusanganisira kunyora kodhi, kuzvibatanidza, nekuirongedza. Kushandisa kuvaka otomatiki chishandiso, nzira yacho inonyanya kuvimbika uye inowirirana.

Gradle inokutendera kuti ushandise zvekare zviwanikwa uye mafaera. Izvo zvakare zvinoita kuti zvikwanise kusanganisa maratidziro eakasiyana ekuvaka akasiyana mune imwechete yekutanga kurongeka. Izvi zvinokubatsira kuti ushandise zvekare zviwanikwa uye zviitiko mushanduro dzakasiyana dzeapp yako. naGradle, iwe unogona zvakare kugadzira tsika yeGradle Template kugadzirisa iyo kuvaka.

Gradle isimba rekuvaka otomatiki chishandiso chekusimudzira Android app. Inosanganisa masimba emamwe masisitimu ekuvaka uye inovandudza pakukanganisa kwavo. Inobvumira vanogadzira kunyora Java zvinyorwa uye Android-chaiyo maficha, uye zvakare inovatendera kuti vavake akawanda mavhezheni emaapp avo. Uyezve, Gradle iri nyore kushandisa uye inochinjika kupfuura Maven neAnt.

Java

Android app kuvandudza inogona kuve yakaoma maitiro. Kutanga, kwakanakisisa kugadza nharidzano inobvira. Paunenge uchidzidza zvekutanga, iwe unozoda kuwedzera maitiro uye kuedza nemazano matsva. Kuva nechinangwa kunobatsira kuchengeta nzira yekudzidza yakarongeka uye inofadza. Kana wava neruzivo rwezvaunoda kuvaka, unogona kutanga kuvaka yako yekutanga Android app.

Imwe yemabhenefiti makuru ekushandisa Java yekuvandudza app yeAroid ndeyekuti mutauro wacho ndewemahara uye unosanganisira raibhurari hombe yemaraibhurari akavhurika.. Izvi zvichabatsira vagadziri vako kuderedza nguva yekuvandudza uye kuderedza njodzi dzekuchengetedza. Zvakare, Java inotsigirwa zvakanyanya nenharaunda yakakura. Zvisinei neizvi, Java yekusimudzira app yeAroid ine zvishoma zvinogumira. Kusiyana nemimwe mitauro yepurogiramu, Java haigone kuchengeta data yemushandisi, izvo zvinogona kukonzera kurasikirwa kwedata.

Kunyangwe Java isiri papuratifomu-yakazvimirira, yave ichiwedzera mukurumbira pakati pevagadziri. Yakawedzera kusvika kumapuratifomu enhare, uye Java Mobile Edition yakagadziridzwa zvakanangana nenharembozha. Zvirongwa zveJava zvinounganidzwa kuita bytecode uye zvinoitwa mukati meiyo Java Virtual Machine. Izvi zvinovimbisa kuchengeteka. Java application dzakagadzirirwa kuve dzakavimbika uye dzine njodzi yakaderera.

Java imhando-inorema mutauro inoda yakawanda kodhi kunyora uye yakawanda ndangariro. Semagumo, Java application inogona kunonoka kumhanya. Kotlin, imwe Java imwe nzira, yakagadzirwa mukati 2011 neJetBrains vagadziri vekuvandudza paJava. Inotsigira parallel-running neJava uye inoita kuti kuunganidza neJavaScript kuve nyore. Zvinangwa zveKotlin zvakafanana neaya eSwift uye zvinogona kubatsira kune vanogadzira Java.

XML

XML ye Android app kuvandudza mutauro wakareruka wekumaka unoshandiswa kune UI ine chekuita nedata. Yayo syntax iri nyore uye inobvumira kuti zvive nyore scalability. Pamusoro pekureruka, XML zvakare iri nyore kunyora. Unogona kuishandisa mukuvandudza kweapp yako kunyora menyu, layout, kana kunyange peji rewebhu.

XML mutauro wemakapu unopa mamiriro edata uye inoita kuti kutsvaga zvinhu kuite nyore. Iyo zvakare yakavhurika-sosi uye inogona kushandiswa nechero programming mutauro uye kushandisa, kupa vagadziri mukana wekukwikwidza. XML inogona kushandiswa kune zvakasiyana siyana muAroid apps, kusanganisira kutamisa data, magwaro ekufomatidza, uye kugadzira marongero.

Pamusoro pekuwedzera mamiriro kune data, XML zvakare inoita kuti kuchinjana kwedata kuve nyore. Izvo zvakavakirwa paMutauro weGwaro Generalized Markup, iyo yakashandiswa muindasitiri yekutsikisa kwemakumi emakore. XML ye Android app kuvandudza inogona kushandisa zvakafanana mashandiro pasina zvinowanzoitika. Inobatsira kune data pasina chero nyaya dzakajairika.

Paunenge uchigadzira Android app, iwe uchada makomputa maviri. Imwe ikombiyuta yekuvandudza, kwaunonyora iyo Android kodhi, nepo imwe yacho iri chishandiso chaunenge uchigadzira iyo app pairi. Iyo komputa yekuvandudza idesktop kana laptop komputa, asi iwe unogona zvakare kushandisa Mac kana Linux komputa kana iri iyo yaunofarira chikuva. Iyo android mudziyo haina kutorwa sekombuta, asi inogona kunge iri smartphone, tablet, kana smartwatch.

Sravana Sameeralu Serial 4th Android Studio

Iyo Android Studio app inoita kuti iwe ugadzire ekare maapuro eAroid ane nharaunda yekusimudzira yakafanana neyako iOS maapplication. Inotsigira mitauro yakasiyana-siyana yekuronga, uye iwe unogona kuishandisa kugadzira maapplication echero Android kifaa. Iyo purogiramu inoratidzira-yakapfuma emulator yekuyedza maapplication. Iyo inogona zvakare kutevedzera yemuviri Android smartphone uye inopa yakabatana nharaunda kune ako ese Android app kuvandudza zvinodiwa. Zvinhu zvaro zvakakosha zvinosanganisira kubatanidzwa neGit, a feature-rich editor, uye sampuli yekodhi yekupinza uye yekunze sarudzo.

Iyo Android Studio interface yakarongeka kuita kuti kushanda nepurojekiti yako kuve nyore uye kwakanaka. Iyo inouya nematebhu pamwe nekuruboshwe uye kurudyi mativi ayo anobvumidza iwe kuvhura akasiyana mapaneru. Kune zvakare bhara repazasi pahwindo rinoratidza mamiriro eprojekiti yako, yambiro, uye kuvaka kufambira mberi. Iwindo guru rinewo nzvimbo yekodhi, iyo inokutendera iwe kuvhura uye kugadzirisa akawanda mafaera kamwechete. Iwe unogona zvakare kushandisa mapfupi ekhibhodi kukurumidza kufamba purojekiti yako.

Android Studio inouyawo neyakavakirwa-mukati IDE inonzi IntelliJ. Mupepeti uyu unokutendera kuti ugadzire kodhi inogona kushandiswa zvakare, wedzera XML kubva matemplate, uye gadzira UI zvikamu. Iwe unogona zvakare kugadzirisa iyo mushandisi interface nekuwedzera misoro uye zvidhori.

Kugadzira mushandisi interface

Kugadzira mushandisi interface yeAroid app chinhu chakakosha chekuvandudza kweapp. Paunenge uchigadzira iyo User Interface, vagadziri vanofanira kuchengeta vavariro yevateereri mupfungwa. Kunyange zvazvo kushanda uye kuvandudzwa kwakakosha, ndiko kureruka kwechigadzirwa chinoita kuti vatengi vatarise. Iyo Mushandisi Interface yeapp inowanzova chimwe chezvisarudzo zvekuti app yakatenderwa paPlay Store kana kwete..

Pane nzira shoma dzakasiyana dzekugadzira iyo Android app mushandisi interface. Kutanga kwazvose, iwe unofanirwa kufunga nezve saizi yechidzitiro. Masikirini mazhinji akasiyana zvakanyanya muhukuru, zvichiita kuti zvive zvakakosha kushandisa zvigadziriso zvakakodzera paunenge uchigadzira Android app. Imwe yedzakanakisa nzira dzekuita kuti UI itaridzike yakanaka kushandisa iyo Graphical Layout chishandiso kugadzira UI inopindura.. Iyi nzira inobvumidza iwe kuti uchinje kune mushandisi interface skrini pasina kudzokorodza iyo yese application.

Iyo Android UI ine zvikamu zviviri zvikuru: iyo application yemukati nzvimbo uye chiitiko bar. Zviitwa ndiwo moyo weAroid application, uye chiitiko chega chega chinopindirana nemushandisi kuitira kuzadzisa chinangwa chaicho. Iyo UI inotsanangurwa muXML faira, iyo inobva yashandurirwa mukirasi ye Android GUI. Kirasi iyi ine maUI zvinhu uye hunhu hwavo.

Kugadzira database app

Kana iwe uchida kugadzira dhatabhesi app yeako Android app, unogona kuzviita nekushandisa anovaka app seAppy Pie. Uyu mugadziri weapp anovimbwa nawo 7 mamiriyoni emabhizimisi munyika yose, uye ine nyore kudhonza-uye-kudonhedza interface iyo inokutendera iwe kugadzirisa dhizaini yeapp uye sarudza kubva kwakasiyana maficha.. Uyu muvaki weApp zvakare anokutendera kuti utore dhatabhesi kubva mukati meapp yacho pachayo. Kana wapedza kugadzira app, unogona kuzvishambadza kuzvitoro zveapp.

Database apps inogona kubatsira mabhizinesi kuronga uye kubata yavo data uye hesita. Nekuti ivo vasiri-coding, anogona kushandiswa nechero bhizinesi uye anogona kuvandudzwa nekukurumidza kupfuura zvaungafunga. Iwe unogona kutogadzira yako database app uchishandisa maspredishiti! Mukana mukuru we database app ndeyekuti inoita kuti zvive nyore kubata bhizinesi rako data, track inventory, uye ugozvigovera navamwe.

Imwe mukana wekushandisa dhatabhesi kune yako Android app ndeyekuti inoita kuti zvive nyore kuti app yako iwedzere. SQLite ndiyo inonyanya kushandiswa relational database injini, uye ine rutsigiro rwekuzvarwa pa Android. Nekudzidza kwakaderera, SQLite inopa kuita kwakanaka, uye inotsigira mabasa akawanda uye kutengeserana. Zvisinei, pane zvimwe zvisingabatsiri pakushandisa SQLite.

Dhatabhesi idatabase inochengetwa pamaPC. Iyo database manejimendi system inobata iyo data mumitsara uye makoramu, kuita kuti data processing zvive nyore. Iwo zvakare mutauro wakajairika unoshandiswa nevagadziri kugadzira dhatabhesi maapplication. Mutauro uyu unonzi SQL uye wakatangira kuma1970.