{"id":53067,"date":"2019-11-23T00:00:00","date_gmt":"2019-11-22T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-platformy-webos-open-source-edition-2"},"modified":"2020-02-18T14:00:56","modified_gmt":"2020-02-18T11:00:56","slug":"vypusk-platformy-webos-open-source-edition-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-platformy-webos-open-source-edition-2","title":{"rendered":"Lan\u00e7amento da plataforma webOS Open Source Edition 2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.qt.io\/blog\/webos-open-source-edition-2.0.0-released\">Apresentada<\/a><\/noindex> uma nova ramifica\u00e7\u00e3o da plataforma aberta <noindex><a rel=\"nofollow\" href=\"https:\/\/www.webosose.org\">webOS Open Source Edition 2<\/a><\/noindex>, voltada para a capacita\u00e7\u00e3o de dispositivos inteligentes. A plataforma est\u00e1 se desenvolvendo em <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/webosose\/\">um reposit\u00f3rio p\u00fablico<\/a><\/noindex> sob a licen\u00e7a Apache 2.0, e o desenvolvimento \u00e9 supervisionado pela comunidade, seguindo <noindex><a rel=\"nofollow\" href=\"http:\/\/webosose.org\/discover\/getting-started\/governance-model\/\">um modelo colaborativo de gerenciamento de desenvolvimento<\/a><\/noindex>. A Raspberry Pi 4 \u00e9 considerada a plataforma de hardware de refer\u00eancia.<\/p>\n<p>A plataforma webOS foi <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=36223\">adquirida<\/a><\/noindex> pela LG da Hewlett-Packard em 2013 e \u00e9 utilizada em mais de 70 milh\u00f5es de televisores e dispositivos de consumo da LG. O projeto webOS Open Source Edition foi iniciado em 2018, ap\u00f3s a LG tentar retornar a um modelo de desenvolvimento aberto para atrair outros participantes e expandir a gama de dispositivos que podem usar o webOS.<\/p>\n<p>O ambiente de sistema do webOS \u00e9 formado usando ferramentas e pacotes b\u00e1sicos do <noindex><a rel=\"nofollow\" href=\"http:\/\/www.openembedded.org\/\">OpenEmbedded<\/a><\/noindex>, assim como um sistema de compila\u00e7\u00e3o e um conjunto de metadados do projeto <noindex><a rel=\"nofollow\" href=\"http:\/\/www.yoctoproject.org\/\">Yocto<\/a><\/noindex>. Os componentes-chave do webOS s\u00e3o o gerenciador de sistema e aplicativos (SAM, System and Application Manager), respons\u00e1vel pela execu\u00e7\u00e3o de aplicativos e servi\u00e7os, e o Luna Surface Manager (LSM), que forma a interface do usu\u00e1rio. Os componentes s\u00e3o escritos usando o framework Qt e o motor de navegador Chromium.<\/p>\n<p>O rendering \u00e9 realizado atrav\u00e9s de um gerenciador de composi\u00e7\u00e3o que utiliza o protocolo Wayland. Para o desenvolvimento de aplicativos de usu\u00e1rio, \u00e9 sugerido o uso de tecnologias web (CSS, HTML5 e JavaScript) e o framework <noindex><a rel=\"nofollow\" href=\"http:\/\/enactjs.com\/\">Enact<\/a><\/noindex>, baseado em React, mas tamb\u00e9m \u00e9 poss\u00edvel criar programas em C e C++ com interfaces baseadas em Qt. A interface do usu\u00e1rio e os aplicativos gr\u00e1ficos incorporados s\u00e3o, na maioria, implementados como programas nativos, escritos usando a tecnologia QML. <\/p>\n<p>Para o armazenamento de dados em um formato estruturado usando JSON, \u00e9 utilizado o armazenamento  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/webosose\/db8\">DB8<\/a><\/noindex>, que utiliza o banco de dados LevelDB como backend.<br \/>\nPara a inicializa\u00e7\u00e3o, utiliza-se <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/webosose\/webos-initscripts\">bootd<\/a><\/noindex> baseado em systemd. Para o processamento de conte\u00fado multim\u00eddia, s\u00e3o oferecidos subsistemas uMediaServer e Media Display Controller (MDC), e o PulseAudio \u00e9 utilizado como servidor de \u00e1udio.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.webosose.org\/blog\/2019\/10\/29\/webos-ose-2-0-0-release\/\">Caracter\u00edsticas<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.webosose.org\/about\/overview\/webos-ose-2-0-overview\/\">webOS Open Source Edition 2<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Foi proposto um novo padr\u00e3o de interface de usu\u00e1rio \u2014 Home Launcher, otimizado para gerenciamento em telas sens\u00edveis ao toque e que oferece um conceito aprimorado de cart\u00f5es intermut\u00e1veis (em vez de janelas). A interface tamb\u00e9m inclui uma barra de atalho, onde s\u00e3o colocados \u00edcones para fun\u00e7\u00f5es frequentemente utilizadas, como acesso a configura\u00e7\u00f5es e notifica\u00e7\u00f5es;\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/www.webosose.org\/images\/about\/webos-ose-2-0-startup-screen.png\"><img decoding=\"async\" alt=\"Lan\u00e7amento da plataforma webOS Open Source Edition 2\" src=\"\/wp-content\/uploads\/2019\/11\/5dde31b189d77ec6e853d082dc75b0c0.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> A plataforma \u00e9 adaptada para uso em sistemas de infoentretenimento automotivo. Por exemplo, foi garantida a possibilidade de opera\u00e7\u00e3o em ambientes com duas telas, normalmente utilizadas em sistemas multim\u00eddia para passageiros;\n<li class=\"l\"> Foram propostos meios para atualiza\u00e7\u00e3o autom\u00e1tica de firmware (<noindex><a rel=\"nofollow\" href=\"https:\/\/www.webosose.org\/docs\/guides\/setup\/setting-up-fota\/\">FOTA<\/a><\/noindex> \u2014 Firmware-Over-the Air), baseados na aplica\u00e7\u00e3o <noindex><a rel=\"nofollow\" href=\"https:\/\/ostree.readthedocs.io\/en\/latest\/\">OSTree<\/a><\/noindex> e atualiza\u00e7\u00e3o at\u00f4mica do sistema. A imagem do sistema \u00e9 recomposta como um todo, sem divis\u00e3o em pacotes individuais. O sistema de atualiza\u00e7\u00f5es \u00e9 baseado na utiliza\u00e7\u00e3o de duas parti\u00e7\u00f5es do sistema, uma das quais \u00e9 ativa, enquanto a segunda \u00e9 utilizada para copiar a atualiza\u00e7\u00e3o; ap\u00f3s a instala\u00e7\u00e3o da atualiza\u00e7\u00e3o, as parti\u00e7\u00f5es trocam de papel;\n<li class=\"l\"> Adicionado o modo SoftAP (Tethering), permitindo organizar um ponto de acesso sem fio para conectar outros dispositivos \u00e0 rede;\n<li class=\"l\"> Adicionada a suporte para controle de acesso obrigat\u00f3rio baseado no m\u00f3dulo do n\u00facleo Smack (Simplified Mandatory Access Control Kernel);\n<li class=\"l\"> Apoio ao Bluetooth e Wi-Fi foi aprimorado;\n<li class=\"l\"> A plataforma de hardware padr\u00e3o foi atualizada para a placa Raspberry Pi 4 (anteriormente proposta a utiliza\u00e7\u00e3o da Raspberry Pi 3 Model B), na qual \u00e9 poss\u00edvel conectar duas telas via HDMI, utilizar um GPU mais avan\u00e7ado, usar Ethernet Gigabit, Wi-Fi de duas bandas, Bluetooth 5.0\/BLE e USB 3.0;\n<li class=\"l\"> Para o registro de logs por padr\u00e3o, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.webosose.org\/blog\/2019\/11\/20\/webos-ose-2-1-0-release\/\">\u00e9 utilizado<\/a><\/noindex> journald do systemd;\n<li class=\"l\"> As vers\u00f5es de componentes de terceiros que sustentam a plataforma foram atualizadas, incluindo Qt 5.12 e Chromium 72.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51918\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0442\u043a\u0430 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b webOS Open Source Edition 2, \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043d\u0430 \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u0438\u0435 \u0443\u043c\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432. \u041f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u043e\u043c \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438 \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0, \u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u043a\u0443\u0440\u0438\u0440\u0443\u0435\u0442 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e, \u043f\u0440\u0438\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044f\u0441\u044c \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0439 \u043c\u043e\u0434\u0435\u043b\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u043e\u0439 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u043f\u043b\u0430\u0442\u044b Raspberry Pi 4. \u041f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 webOS \u0432 2013 \u0433\u043e\u0434\u0443 \u0431\u044b\u043b\u0430 \u0432\u044b\u043a\u0443\u043f\u043b\u0435\u043d\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 LG \u0443 Hewlett-Packard \u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":53068,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-53067","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0442\u043a\u0430 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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