{"id":115,"date":"2026-01-19T21:40:33","date_gmt":"2026-01-19T18:40:33","guid":{"rendered":"https:\/\/blog.giturn.com\/?p=115"},"modified":"2026-01-19T21:40:33","modified_gmt":"2026-01-19T18:40:33","slug":"optimizing-flutter-listview-performance","status":"publish","type":"post","link":"https:\/\/giturn.com\/blog\/optimizing-flutter-listview-performance\/","title":{"rendered":"\u062a\u062d\u0633\u064a\u0646 \u0623\u062f\u0627\u0621 \u062a\u0637\u0628\u064a\u0642\u0627\u062a Flutter \u0627\u0644\u0636\u062e\u0645\u0629: \u0643\u064a\u0641 \u062c\u0639\u0644\u0646\u0627 \u0633\u0643\u0631\u0648\u0644 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0641\u064a “Trendo” \u0633\u0631\u064a\u0639\u0627\u064b \u0643\u0627\u0644\u0628\u0631\u0642"},"content":{"rendered":"

\u0627\u0644\u0645\u0642\u062f\u0645\u0629: \u0627\u0644\u0643\u0627\u0628\u0648\u0633 \u0627\u0644\u062a\u0642\u0646\u064a \u0641\u064a \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0645\u062a\u0627\u062c\u0631<\/h4>\n

\u0639\u0646\u062f \u0628\u0646\u0627\u0621 \u062a\u0637\u0628\u064a\u0642 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u062a\u062c\u0627\u0631 (Multi-Vendor App) \u0645\u062b\u0644 Trendo<\/b>\u060c \u0648\u0627\u062c\u0647\u0646\u0627 \u062a\u062d\u062f\u064a\u0627\u064b \u0643\u0628\u064a\u0631\u0627\u064b: \u0627\u0644\u0635\u0641\u062d\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0645\u0626\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a\u060c \u0648\u0643\u0644 \u0645\u0646\u062a\u062c \u0644\u0647 \u0635\u0648\u0631 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062f\u0642\u0629. \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629 \u0641\u064a \u0639\u0631\u0636 \u0627\u0644\u0635\u0648\u0631 (Image.network<\/code>) \u0643\u0627\u0646\u062a \u062a\u0633\u0628\u0628 \u0643\u0627\u0631\u062b\u062a\u064a\u0646:<\/p>\n

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  1. \n

    \u0628\u0637\u0621 \u0641\u064a \u0627\u0644\u062a\u0645\u0631\u064a\u0631 (Jank):<\/b> \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u064a\u062a\u0642\u0637\u0639 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0646\u0632\u0648\u0644 \u0644\u0644\u0623\u0633\u0641\u0644.<\/p>\n<\/li>\n

  2. \n

    \u0627\u0633\u062a\u0647\u0644\u0627\u0643 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a:<\/b> \u064a\u062a\u0645 \u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0635\u0648\u0631\u0629 \u0641\u064a \u0643\u0644 \u0645\u0631\u0629 \u064a\u0638\u0647\u0631 \u0641\u064a\u0647\u0627 \u0627\u0644\u0645\u0646\u062a\u062c\u060c \u0645\u0645\u0627 \u064a\u0633\u062a\u0646\u0632\u0641 \u0625\u0646\u062a\u0631\u0646\u062a \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645.<\/p>\n<\/li>\n<\/ol>\n

    \u0641\u064a Giturn<\/b>\u060c \u0627\u0644\u062d\u0644\u0648\u0644 \u0627\u0644\u0648\u0633\u0637\u0649 \u0644\u064a\u0633\u062a \u062e\u064a\u0627\u0631\u0627\u064b. \u0625\u0644\u064a\u0643 \u0643\u064a\u0641 \u0642\u0645\u0646\u0627 \u0628\u062d\u0644 \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0647\u0646\u062f\u0633\u064a\u0627\u064b.<\/p>\n

    \u0627\u0644\u062e\u0637\u0648\u0629 1: \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0645\u0624\u0642\u062a \u0627\u0644\u0630\u0643\u064a (Smart Caching)<\/h4>\n

    \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0635\u0648\u0631\u0629 \u0645\u0646 \u0627\u0644\u0633\u0631\u0641\u0631 \u0641\u064a \u0643\u0644 \u0645\u0631\u0629\u060c \u0627\u0633\u062a\u062e\u062f\u0645\u0646\u0627 \u0645\u0643\u062a\u0628\u0629 cached_network_image<\/code>. \u0647\u0630\u0647 \u0627\u0644\u0645\u0643\u062a\u0628\u0629 \u062a\u0642\u0648\u0645 \u0628\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0635\u0648\u0631\u0629 \u0645\u0631\u0629 \u0648\u0627\u062d\u062f\u0629 \u0648\u062d\u0641\u0638\u0647\u0627 \u0641\u064a \u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u0647\u0627\u062a\u0641 (Cache).<\/p>\n

    \u0641\u064a \u0627\u0644\u0645\u0631\u0629 \u0627\u0644\u0642\u0627\u062f\u0645\u0629 \u0627\u0644\u062a\u064a \u064a\u0641\u062a\u062d \u0641\u064a\u0647\u0627 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u060c \u062a\u0638\u0647\u0631 \u0627\u0644\u0635\u0648\u0631\u0629 \u0641\u0648\u0631\u0627\u064b \u062d\u062a\u0649 \u0628\u062f\u0648\u0646 \u0625\u0646\u062a\u0631\u0646\u062a!<\/p>\n

    \u0645\u0642\u062a\u0637\u0641 \u0627\u0644\u0643\u0648\u062f (Code Snippet):<\/b><\/p>\n

    \n
    \n

    Dart<\/span><\/p>\n

    <\/div>\n<\/div>\n
    \n
    \n
    \/\/ \u0645\u062b\u0627\u0644 \u0645\u0628\u0633\u0637 \u0644\u0643\u064a\u0641\u064a\u0629 \u0639\u0631\u0636 \u0635\u0648\u0631 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0641\u064a Trendo<\/span><\/code><\/pre>\n
    \r\nCachedNetworkImage(\r\n  imageUrl: \"https:\/\/api.trendo.app\/products\/image1.jpg\"<\/span>,\r\n  placeholder: (context, url) => CircularProgressIndicator(), \/\/ \u064a\u0638\u0647\u0631 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u062d\u0645\u064a\u0644<\/span>\r\n  errorWidget: (context, url, error) => Icon(Icons.error), \/\/ \u0641\u064a \u062d\u0627\u0644 \u0641\u0634\u0644 \u0627\u0644\u062a\u062d\u0645\u064a\u0644<\/span>\r\n  fit: BoxFit.cover,\r\n  memCacheWidth: 200<\/span>, \/\/ \u0633\u0631 \u0627\u0644\u0623\u062f\u0627\u0621: \u062a\u0642\u0644\u064a\u0644 \u062d\u062c\u0645 \u0627\u0644\u0635\u0648\u0631\u0629 \u0641\u064a \u0627\u0644\u0630\u0627\u0643\u0631\u0629<\/span>\r\n)\r\n<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
    \n
    \u0646\u0635\u064a\u062d\u0629 \u0645\u062d\u062a\u0631\u0641:<\/b> \u0644\u0627\u062d\u0638 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 memCacheWidth<\/code>. \u0646\u062d\u0646 \u0646\u062e\u0628\u0631 \u0627\u0644\u062a\u0637\u0628\u064a\u0642: “\u062d\u062a\u0649 \u0644\u0648 \u0643\u0627\u0646\u062a \u0627\u0644\u0635\u0648\u0631\u0629 \u0627\u0644\u0623\u0635\u0644\u064a\u0629 4K\u060c \u0642\u0645 \u0628\u062a\u062e\u0632\u064a\u0646 \u0646\u0633\u062e\u0629 \u0635\u063a\u064a\u0631\u0629 \u062a\u0646\u0627\u0633\u0628 \u0634\u0627\u0634\u0629 \u0627\u0644\u0645\u0648\u0628\u0627\u064a\u0644 \u0641\u0642\u0637”. \u0647\u0630\u0627 \u0648\u0641\u0631 70% \u0645\u0646 \u0627\u0633\u062a\u0647\u0644\u0627\u0643 \u0627\u0644\u0630\u0627\u0643\u0631\u0629 (RAM).<\/p>\n<\/blockquote>\n
    \u0627\u0644\u062e\u0637\u0648\u0629 2: \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0643\u0633\u0648\u0644 (Pagination & Lazy Loading)<\/h4>\n
    \u0645\u0646 \u0627\u0644\u062e\u0637\u0623 \u062a\u062d\u0645\u064a\u0644 1000 \u0645\u0646\u062a\u062c \u062f\u0641\u0639\u0629 \u0648\u0627\u062d\u062f\u0629. \u0642\u0645\u0646\u0627 \u0628\u062a\u0637\u0628\u064a\u0642 \u0646\u0638\u0627\u0645 Pagination<\/b> \u0641\u064a \u0627\u0644\u0640 Backend \u0648\u0627\u0644\u0640 Mobile. \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u064a\u0637\u0644\u0628 \u0623\u0648\u0644 10 \u0645\u0646\u062a\u062c\u0627\u062a \u0641\u0642\u0637. \u0648\u0639\u0646\u062f\u0645\u0627 \u064a\u0642\u062a\u0631\u0628 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0645\u0646 \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u0642\u0627\u0626\u0645\u0629\u060c \u064a\u0637\u0644\u0628 \u0627\u0644\u0640 10 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u062a\u0644\u0642\u0627\u0626\u064a\u0627\u064b.<\/p>\n
    \u0627\u0644\u062e\u0637\u0648\u0629 3: \u0636\u063a\u0637 \u0627\u0644\u0635\u0648\u0631 \u0628\u0635\u064a\u063a\u0629 WebP<\/h4>\n
    \u0641\u064a \u0644\u0648\u062d\u0629 \u062a\u062d\u0643\u0645 \u0627\u0644\u062a\u0627\u062c\u0631 \u0627\u0644\u062a\u064a \u0628\u0631\u0645\u062c\u0646\u0627\u0647\u0627\u060c \u0639\u0646\u062f\u0645\u0627 \u064a\u0631\u0641\u0639 \u0627\u0644\u062a\u0627\u062c\u0631 \u0635\u0648\u0631\u0629 \u0645\u0646\u062a\u062c \u0628\u0635\u064a\u063a\u0629 PNG \u0623\u0648 JPEG \u062d\u062c\u0645\u0647\u0627 2 \u0645\u064a\u062c\u0627\u0628\u0627\u064a\u062a\u060c \u064a\u0642\u0648\u0645 \u0646\u0638\u0627\u0645\u0646\u0627 \u0627\u0644\u0633\u062d\u0627\u0628\u064a (Backend) \u062a\u0644\u0642\u0627\u0626\u064a\u0627\u064b \u0628\u062a\u062d\u0648\u064a\u0644\u0647\u0627 \u0625\u0644\u0649 \u0635\u064a\u063a\u0629 WebP<\/b>.<\/p>\n
      \n
    • \n
      \u0627\u0644\u0646\u062a\u064a\u062c\u0629:<\/b> \u0627\u0644\u0635\u0648\u0631\u0629 \u0627\u0644\u062a\u064a \u0643\u0627\u0646 \u062d\u062c\u0645\u0647\u0627 2MB \u0623\u0635\u0628\u062d\u062a 150KB \u0641\u0642\u0637\u060c \u0628\u0646\u0641\u0633 \u0627\u0644\u062c\u0648\u062f\u0629!<\/p>\n<\/li>\n<\/ul>\n
      \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629 \u0641\u064a Trendo<\/h4>\n
      \u0628\u0639\u062f \u062a\u0637\u0628\u064a\u0642 \u0647\u0630\u0647 \u0627\u0644\u062a\u062d\u0633\u064a\u0646\u0627\u062a:<\/p>\n
        \n
      • \n
        \u0623\u0635\u0628\u062d \u0627\u0644\u062a\u0645\u0631\u064a\u0631 (Scrolling) \u0646\u0627\u0639\u0645\u0627\u064b \u062c\u062f\u0627\u064b (60 FPS).<\/p>\n<\/li>\n
      • \n
        \u0627\u0646\u062e\u0641\u0636 \u0627\u0633\u062a\u0647\u0644\u0627\u0643 \u0628\u0637\u0627\u0631\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0633\u0648\u0642.<\/p>\n<\/li>\n
      • \n
        \u0632\u0627\u062f\u062a \u0646\u0633\u0628\u0629 \u0628\u0642\u0627\u0621 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u064a\u0646 \u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0644\u0623\u0646 \u0627\u0644\u0635\u0648\u0631 \u062a\u0638\u0647\u0631 \u0628\u0633\u0631\u0639\u0629.<\/p>\n<\/li>\n<\/ul>\n
        \u0627\u0644\u062e\u0644\u0627\u0635\u0629<\/h4>\n
        \u0627\u0644\u0623\u062f\u0627\u0621 \u0644\u064a\u0633 “\u0645\u064a\u0632\u0629 \u0625\u0636\u0627\u0641\u064a\u0629”\u060c \u0628\u0644 \u0647\u0648 \u0623\u0633\u0627\u0633 \u0627\u0644\u062a\u062c\u0631\u0628\u0629. \u0641\u064a Giturn<\/b>\u060c \u0646\u062d\u0646 \u0646\u0647\u062a\u0645 \u0628\u0645\u0627 \u064a\u062d\u062f\u062b “\u062a\u062d\u062a \u0627\u0644\u063a\u0637\u0627\u0621” \u0644\u0646\u0636\u0645\u0646 \u0644\u0639\u0645\u0644\u0627\u0626\u0646\u0627 \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u062a\u0646\u0627\u0641\u0633 \u0627\u0644\u0643\u0628\u0627\u0631.<\/p>\n
        \u0647\u0644 \u062a\u0628\u0646\u064a \u062a\u0637\u0628\u064a\u0642\u0627\u064b \u0648\u062a\u0648\u0627\u062c\u0647 \u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0627\u0644\u0623\u062f\u0627\u0621\u061f [\u062a\u0648\u0627\u0635\u0644 \u0645\u0639\u0646\u0627 \u0644\u0646\u0631\u0627\u062c\u0639 \u0643\u0648\u062f \u062a\u0637\u0628\u064a\u0642\u0643]
        \n\u0634\u0631\u0643\u0629 \u062c\u064a\u062a\u0648\u0631\u0646 \u0627\u0641\u0636\u0644 \u0634\u0631\u0643\u0629 \u0628\u0631\u0645\u062c\u0629 \u0641\u064a \u0627\u0644\u0639\u0631\u0627\u0642
        \nInfo@giturn.com<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"
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