{"id":99353,"date":"2021-03-05T04:22:37","date_gmt":"2021-03-05T02:22:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-predstavil-frejmvork-flutter-2-i-yazyk-dart-2-12"},"modified":"2021-03-05T04:22:37","modified_gmt":"2021-03-05T02:22:39","slug":"google-predstavil-frejmvork-flutter-2-i-yazyk-dart-2-12","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/google-predstavil-frejmvork-flutter-2-i-yazyk-dart-2-12","title":{"rendered":"Google prezantoi korniz\u00ebn Flutter 2 dhe gjuh\u00ebn Dart 2.12","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kompania Google prezantoi framework-un p\u00ebr nd\u00ebrtimin e nd\u00ebrfaqeve t\u00eb p\u00ebrdoruesit Flutter 2, i cili sh\u00ebnoi transformimin e projektit nga nj\u00eb framework p\u00ebr zhvillimin e aplikacioneve mobile n\u00eb nj\u00eb framework universal p\u00ebr krijimin e \u00e7do lloji programi, duke p\u00ebrfshir\u00eb programet p\u00ebr sisteme desktop dhe aplikacionet web. <\/p>\n

Flutter konsiderohet si nj\u00eb alternativ\u00eb ndaj React Native dhe lejon q\u00eb, mbi nj\u00eb baz\u00eb t\u00eb vetme kodimi, t\u00eb l\u00ebshohen aplikacione p\u00ebr platforma t\u00eb ndryshme, duke p\u00ebrfshir\u00eb iOS, Android, Windows, macOS dhe Linux, si dhe aplikacione p\u00ebr tu ekzekutuar n\u00eb shfletues. Aplikacionet mobile t\u00eb shkruara m\u00eb par\u00eb n\u00eb Flutter 1, pas kalimit n\u00eb Flutter 2, do t\u00eb mund t\u00eb adaptohen p\u00ebr pun\u00eb n\u00eb desktop dhe n\u00eb Web pa e ripar\u00eb kodin. <\/p>\n

Pjesa kryesore e kodit Flutter \u00ebsht\u00eb implementuar n\u00eb gjuh\u00ebn Dart, nd\u00ebrsa motori runtime p\u00ebr ekzekutimin e aplikacioneve \u00ebsht\u00eb shkruar n\u00eb C++. Gjat\u00eb zhvillimit t\u00eb aplikacioneve, p\u00ebrve\u00e7 gjuh\u00ebs Dart, q\u00eb \u00ebsht\u00eb vendase p\u00ebr Flutter, mund t\u00eb p\u00ebrdoret interfaci Dart Foreign Function p\u00ebr thirrjen e kodit n\u00eb C\/C++. Performanca e lart\u00eb e ekzekutimit arrihet fal\u00eb p\u00ebrkthimit t\u00eb aplikacioneve n\u00eb kodin maqinal p\u00ebr platformat target. K\u00ebshtu, programa nuk ka nevoj\u00eb t\u00eb ri-perkthhet pas \u00e7do ndryshimi \u2014 Dart ofron nj\u00eb mod t\u00eb nxeht\u00eb q\u00eb lejon t\u00eb b\u00ebhen ndryshime n\u00eb aplikacionin n\u00eb pun\u00eb dhe menj\u00ebher\u00eb t\u00eb vler\u00ebsohet rezultati. <\/p>\n

N\u00eb Flutter 2 \u00ebsht\u00eb njoftuar mb\u00ebshtetje e plot\u00eb p\u00ebr krijimin e aplikacioneve p\u00ebr Web, e cila \u00ebsht\u00eb e p\u00ebrshtatshme p\u00ebr implementime n\u00eb pun\u00eb. Tregohet se ekzistojn\u00eb tre skenar\u00eb t\u00eb r\u00ebnd\u00ebsish\u00ebm p\u00ebr p\u00ebrdorimin e Flutter p\u00ebr Web: zhvillimi i aplikacioneve web t\u00eb izoluara (PWA, Aplikacione t\u00eb Shtuar t\u00eb Webit), krijimi i aplikacioneve web me nj\u00eb faqe (SPA, Aplikacione me Nj\u00eb Faqe) dhe transformimi i aplikacioneve mobile n\u00eb aplikacione web. Nga ve\u00e7orit\u00eb e mjeteve t\u00eb zhvillimit p\u00ebr Web p\u00ebrmendet p\u00ebrdorimi i mekanizmave p\u00ebrshpejtimi t\u00eb klient\u00ebve t\u00eb 2D dhe 3D grafik\u00ebs, kompozimi fleksib\u00ebl i elementeve n\u00eb ekran dhe motori i vizatimit t\u00eb kompiliuar n\u00eb WebAssembly CanvasKit. <\/p>\n

Mb\u00ebshtetje p\u00ebr aplikacionet desktop \u00ebsht\u00eb n\u00eb faz\u00ebn e testimit beta dhe do t\u00eb stabilizohet k\u00ebt\u00eb vit n\u00eb nj\u00ebrin nga lansimet e ardhshme. Kompanit\u00eb Canonical, Microsoft dhe Toyota kan\u00eb shpallur mb\u00ebshtetje p\u00ebr zhvillimin me Flutter. Kompania Canonical zgjodhi Flutter si kuadrin kryesor p\u00ebr aplikacionet e saj dhe gjithashtu e p\u00ebrdor Flutter p\u00ebr t\u00eb zhvilluar nj\u00eb instalues t\u00eb ri p\u00ebr Ubuntu. Kompania Microsoft e adaptatoi Flutter p\u00ebr pajisje me ekrane t\u00eb shum\u00ebfishta, si Surface Duo. Kompania Toyota planifikon t\u00eb p\u00ebrdor\u00eb Flutter p\u00ebr sistemet e infotainment n\u00eb vetura. Nj\u00eb nd\u00ebrfaqe p\u00ebrdoruesi e zhvilluar n\u00eb Google q\u00eb bazohet n\u00eb Flutter \u00ebsht\u00eb sistemi mikro-n\u00ebnpunues Fuchsia.

\"Google<\/center> <\/p>\n

S\u00eb nj\u00ebher\u00ebsh \u00ebsht\u00eb publikuar versioni i gjuh\u00ebs s\u00eb programimit Dart 2.12, n\u00eb t\u00eb cilin vazhdohet zhvillimi i nj\u00eb dege t\u00ebr\u00ebsisht t\u00eb ripunuar t\u00eb Dart 2. Dart 2 ndryshon nga versioni fillestar i gjuh\u00ebs Dart p\u00ebrmes p\u00ebrdorimit t\u00eb tipizimit t\u00eb fort\u00eb statik (tipet mund t\u00eb nxirren automatikisht, prandaj tregimi i tipeve nuk \u00ebsht\u00eb i detyruesh\u00ebm, por tipizimi dinamik nuk p\u00ebrdoret m\u00eb dhe tipi i nxjerr\u00eb fillimisht lidhet me variabl\u00ebn dhe n\u00eb vazhdim zbatohet nj\u00eb kontroll i rrept\u00eb i tipit). <\/p>\n

L\u00ebshimi shquhet p\u00ebr stabilizimin e regjimit t\u00eb p\u00ebrdorimit t\u00eb sigurt t\u00eb vler\u00ebs «Null» (siguria null), e cila do t\u00eb ndihmoj\u00eb n\u00eb shmangien e d\u00ebshtimeve t\u00eb shkaktuara nga p\u00ebrpjekjet p\u00ebr t\u00eb p\u00ebrdorur variablat, vlera e t\u00eb cil\u00ebve nuk \u00ebsht\u00eb e p\u00ebrcaktuar dhe \u00ebsht\u00eb caktuar n\u00eb «Null». Regjimi parashikon q\u00eb variablat nuk mund t\u00eb ken\u00eb vlera t\u00eb pap\u00ebrcaktuara, n\u00ebse atyre nuk iu caktohet qart\u00eb vlera null. N\u00eb regjimin e rrept\u00eb, llojet e variablave merren parasysh, \u00e7ka i lejon kompajlerit t\u00eb p\u00ebrdor\u00eb optimizime shtes\u00eb. P\u00ebrputhshm\u00ebria e llojeve kontrollohet n\u00eb faz\u00ebn e kompilimit, p\u00ebr shembull, n\u00eb rastin e p\u00ebrpjekjes p\u00ebr t\u00eb caktuar vler\u00ebn «Null» nj\u00eb variabli me nj\u00eb tip q\u00eb nuk pranon nj\u00eb gjendje t\u00eb pap\u00ebrcaktuar, si «int», do t\u00eb njoftohet nj\u00eb gabim. <\/p>\n

Nj\u00eb p\u00ebrmir\u00ebsim tjet\u00ebr i r\u00ebnd\u00ebsish\u00ebm n\u00eb Dart 2.12 ishte implementimi i stabilizuar i bibliotek\u00ebs FFI, e cila lejon krijimin e kodit me performanc\u00eb t\u00eb lart\u00eb, nga i cili mund t\u00eb b\u00ebhen thirrje n\u00eb API n\u00eb gjuh\u00ebn C. Jan\u00eb b\u00ebr\u00eb optimizime t\u00eb performanc\u00ebs dhe madh\u00ebsis\u00eb. Jan\u00eb shtuar mjete p\u00ebr zhvilluesit dhe nj\u00eb sistem profilizimi i kodit t\u00eb shkruar duke p\u00ebrdorur Flutter, si dhe plugins t\u00eb reja p\u00ebr zhvillimin e aplikacioneve n\u00eb Dart dhe Flutter p\u00ebr Android Studio\/IntelliJ dhe VS Code.

\"Google<\/center>
\n
Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f Flutter 2, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0437\u043d\u0430\u043c\u0435\u043d\u043e\u0432\u0430\u043b \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0438\u0437 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0432 \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u044b\u0439 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043b\u044e\u0431\u044b\u0445 \u0442\u0438\u043f\u043e\u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u0434\u043b\u044f \u043d\u0430\u0441\u0442\u043e\u043b\u044c\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0438 web-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f. 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