{"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\/news\/google-predstavil-frejmvork-flutter-2-i-yazyk-dart-2-12","title":{"rendered":"Google prezantoi framework-un Flutter 2 dhe gjuh\u00ebn Dart 2.12","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kompania Google prezantoi korniz\u00ebn e nd\u00ebrtimit t\u00eb nd\u00ebrfaqeve t\u00eb p\u00ebrdoruesit Flutter 2, e cila sh\u00ebnoi transformimin e projektit nga nj\u00eb korniz\u00eb p\u00ebr zhvillimin e aplikacioneve mobile n\u00eb nj\u00eb korniz\u00eb universale p\u00ebr krijimin e \u00e7do lloji programi, duke p\u00ebrfshir\u00eb programet p\u00ebr sisteme desktop dhe aplikacione 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 kodi 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 t'u ekzekutuar n\u00eb shfletues. Aplikacionet mobile t\u00eb shkruara m\u00eb par\u00eb n\u00eb Flutter 1, pas kalimit n\u00eb Flutter 2, mund t\u00eb adaptohen p\u00ebr t\u00eb punuar n\u00eb desktop dhe n\u00eb Web pa shkruar p\u00ebrs\u00ebri kodin. <\/p>\n

Pjesa kryesore e kodit Flutter \u00ebsht\u00eb implementuar n\u00eb gjuh\u00ebn Dart, nd\u00ebrsa motori i runtime-it p\u00ebr ekzekutimin e aplikacioneve \u00ebsht\u00eb shkruar n\u00eb C++. Gjat\u00eb zhvillimit t\u00eb aplikacioneve, p\u00ebrve\u00e7 gjuh\u00ebs Dart native p\u00ebr Flutter, mund t\u00eb p\u00ebrdoret interfaca Dart Foreign Function p\u00ebr t\u00eb thirrur kodin n\u00eb C\/C++. Performanca e lart\u00eb e ekzekutimit arrihet fal\u00eb kompilimit t\u00eb aplikacioneve n\u00eb kodin makinerik p\u00ebr platformat e synuara. N\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb, programi nuk duhet t\u00eb rikompozohet pas \u00e7do ndryshimi \u2014 Dart ofron nj\u00eb mod t\u00eb ngarkes\u00ebs s\u00eb nxeht\u00eb, i cili lejon t\u00eb b\u00ebhen ndryshime n\u00eb aplikacionin q\u00eb po punon dhe menj\u00ebher\u00eb t\u00eb vler\u00ebsohet rezultati. <\/p>\n

N\u00eb Flutter 2 \u00ebsht\u00eb deklaruar mb\u00ebshtetje e plot\u00eb p\u00ebr krijimin e aplikacioneve p\u00ebr Web, e p\u00ebrshtatshme p\u00ebr implementime t\u00eb pun\u00ebs. P\u00ebrmenden tri skenar\u00eb kryesor\u00eb p\u00ebr p\u00ebrdorimin e Flutter p\u00ebr Web: zhvillimi i aplikacioneve web t\u00eb ve\u00e7anta (PWA, Aplikacione Web Progresive), krijimi i aplikacioneve web me nj\u00eb faqe (SPA, Aplikacione me nj\u00eb faqe) dhe konvertimi 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 t\u00eb p\u00ebrshpejtimit p\u00ebr renditjen e grafik\u00ebs 2D dhe 3D, kompozimi fleksib\u00ebl i elementeve n\u00eb ekran dhe motori i renditjes CanvasKit i kompiluar n\u00eb WebAssembly. <\/p>\n

Mb\u00ebshtetja p\u00ebr aplikacione desktop \u00ebsht\u00eb n\u00eb faz\u00ebn e testimit beta dhe do t\u00eb stabilizohet k\u00ebt\u00eb vit n\u00eb nj\u00eb nga publikimet e ardhshme. Kompanit\u00eb Canonical, Microsoft dhe Toyota kan\u00eb deklaruar mb\u00ebshtetje p\u00ebr zhvillimin me Flutter. Kompania Canonical zgjodhi Flutter si korniz\u00ebn kryesore p\u00ebr aplikacionet e saj dhe gjithashtu e p\u00ebrdor Flutter p\u00ebr zhvillimin e instaluesit t\u00eb ri p\u00ebr Ubuntu. Kompania Microsoft e p\u00ebrshtati Flutter p\u00ebr pajisjet me palosje me disa ekrane, si Surface Duo. Kompania Toyota planifikon t\u00eb p\u00ebrdor\u00eb Flutter p\u00ebr sistemet e informacioneve dhe arg\u00ebtimit n\u00eb automjete. Nj\u00eb nd\u00ebrfaqe p\u00ebrdoruesi p\u00ebr sistemin operativ mikro-k\u00ebrkesor Fuchsia, n\u00eb zhvillim n\u00eb Google, \u00ebsht\u00eb gjithashtu nd\u00ebrtuar mbi Flutter.

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

N\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb u publikua nj\u00eb version i ri i gjuh\u00ebs s\u00eb programimit Dart 2.12, ku u vazhdua zhvillimi i deg\u00ebs s\u00eb rishikuar themelore t\u00eb Dart 2. Dart 2 ndryshon nga versioni fillestar i gjuh\u00ebs Dart p\u00ebr p\u00ebrdorimin e tipizimit t\u00eb fort\u00eb statik (tipet mund t\u00eb nxirren automatikisht, prandaj shpallja e tipave nuk \u00ebsht\u00eb e obligueshme, por tipizimi dinamik nuk p\u00ebrdoret m\u00eb dhe tipi i nxjerr\u00eb fillestar \u00ebsht\u00eb i lidhur me variabl\u00ebn dhe m\u00eb pas aplikohet nj\u00eb kontroll i ngurt\u00eb i tipit). <\/p>\n

L\u00ebshimi \u00ebsht\u00eb i shquar p\u00ebr stabilizimin e modit t\u00eb sigurt t\u00eb p\u00ebrdorimit t\u00eb vler\u00ebs 'Null' (null safety), i cili parandalon crash-et e shkaktuara nga p\u00ebrpjekjet p\u00ebr t\u00eb p\u00ebrdorur variablat, vlera e t\u00eb cilave nuk \u00ebsht\u00eb e p\u00ebrcaktuar dhe \u00ebsht\u00eb e vendosur n\u00eb 'Null'. Modo n\u00ebnkupton se variablat nuk mund t\u00eb ken\u00eb vlera t\u00eb pa p\u00ebrcaktuara, n\u00ebse nuk u jepet ndonj\u00eb vler\u00eb null qart\u00eb. N\u00eb mod konsiderohen me rigorozitet tipet e variablave, q\u00eb i lejon kompajluesit t\u00eb p\u00ebrdor\u00eb optimizime t\u00eb tjera. P\u00ebrputhshm\u00ebria e tipeve kontrollohet n\u00eb faz\u00ebn e kompajlimit, p\u00ebr shembull, n\u00eb rastin e p\u00ebrpjekjes p\u00ebr t'i dh\u00ebn\u00eb nj\u00eb vler\u00eb 'Null' nj\u00eb variabli me tipin, i cili nuk parashikon nj\u00eb gjendje t\u00eb pa p\u00ebrcaktuar, si 'int', do t\u00eb jepet nj\u00eb gabim. <\/p>\n

Nj\u00eb p\u00ebrmir\u00ebsim tjet\u00ebr i r\u00ebnd\u00ebsish\u00ebm n\u00eb Dart 2.12 ishte realizimi i q\u00ebndruesh\u00ebm i bibliotek\u00ebs FFI, e cila lejon krijimin e kodit me performanc\u00eb t\u00eb lart\u00eb, nga i cili mund t\u00eb aksesohen API-t\u00eb n\u00eb gjuh\u00ebn C. Optimizime p\u00ebr performanc\u00ebn dhe madh\u00ebsin\u00eb jan\u00eb b\u00ebr\u00eb. Jan\u00eb shtuar mjete p\u00ebr zhvilluesit dhe nj\u00eb sistem p\u00ebrcaktimi i performanc\u00ebs s\u00eb kodit, t\u00eb shkruara duke p\u00ebrdorur Flutter, si dhe plugin 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":"

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