{"id":14075,"date":"2024-03-15T08:24:45","date_gmt":"2024-03-15T08:24:45","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-of-implementing-breakpoint-upload-on-android\/"},"modified":"2025-08-06T03:26:39","modified_gmt":"2025-08-06T03:26:39","slug":"what-is-the-method-of-implementing-breakpoint-upload-on-android","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-of-implementing-breakpoint-upload-on-android\/","title":{"rendered":"Android Breakpoint Upload: Implementation Guide"},"content":{"rendered":"<p>There are two ways to achieve breakpoint upload in Android:<\/p>\n<ol>\n<li>Range requests using HttpClient or OkHttp: When uploading a file, include the Range field in the request header to specify the starting position of the file, and send the request to the server. Upon receiving the request, the server will continue writing the file from the specified position, achieving the effect of resumable upload. This method requires server support for resumable uploads.<\/li>\n<\/ol>\n<p>Example code (using OkHttp):<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">OkHttpClient<\/span> <span class=\"hljs-variable\">client<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">OkHttpClient<\/span>();\r\n\r\n<span class=\"hljs-type\">File<\/span> <span class=\"hljs-variable\">file<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">File<\/span>(<span class=\"hljs-string\">\"path\/to\/file\"<\/span>);\r\n<span class=\"hljs-type\">long<\/span> <span class=\"hljs-variable\">fileSize<\/span> <span class=\"hljs-operator\">=<\/span> file.length();\r\n\r\n<span class=\"hljs-type\">Request<\/span> <span class=\"hljs-variable\">request<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">Request<\/span>.Builder()\r\n    .url(<span class=\"hljs-string\">\"http:\/\/example.com\/upload\"<\/span>)\r\n    .addHeader(<span class=\"hljs-string\">\"Content-Range\"<\/span>, <span class=\"hljs-string\">\"bytes \"<\/span> + uploadedBytes + <span class=\"hljs-string\">\"-\"<\/span> + (fileSize - <span class=\"hljs-number\">1<\/span>) + <span class=\"hljs-string\">\"\/\"<\/span> + fileSize)\r\n    .post(RequestBody.create(MediaType.parse(<span class=\"hljs-string\">\"application\/octet-stream\"<\/span>), file))\r\n    .build();\r\n\r\n<span class=\"hljs-type\">Response<\/span> <span class=\"hljs-variable\">response<\/span> <span class=\"hljs-operator\">=<\/span> client.newCall(request).execute();\r\n<\/code><\/pre>\n<ol>\n<li>Utilizing FTP or SFTP protocols: Implementing breakpoint upload through FTP or SFTP protocols. This approach requires incorporating the appropriate FTP or SFTP library in the Android application to connect to the server and enable the functionality of resuming uploads from breakpoints.<\/li>\n<\/ol>\n<p>Example code (implementing FTP breakpoint upload using Apache Commons Net library):<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">FTPClient<\/span> <span class=\"hljs-variable\">ftpClient<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">FTPClient<\/span>();\r\nftpClient.connect(<span class=\"hljs-string\">\"ftp.example.com\"<\/span>);\r\nftpClient.login(<span class=\"hljs-string\">\"username\"<\/span>, <span class=\"hljs-string\">\"password\"<\/span>);\r\n\r\n<span class=\"hljs-type\">File<\/span> <span class=\"hljs-variable\">file<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">File<\/span>(<span class=\"hljs-string\">\"path\/to\/file\"<\/span>);\r\n<span class=\"hljs-type\">long<\/span> <span class=\"hljs-variable\">uploadedBytes<\/span> <span class=\"hljs-operator\">=<\/span> ftpClient.mlistFile(<span class=\"hljs-string\">\"remote\/file\"<\/span>).getSize();\r\nftpClient.setRestartOffset(uploadedBytes);\r\n\r\n<span class=\"hljs-type\">InputStream<\/span> <span class=\"hljs-variable\">inputStream<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">FileInputStream<\/span>(file);\r\nftpClient.storeFile(<span class=\"hljs-string\">\"remote\/file\"<\/span>, inputStream);\r\ninputStream.close();\r\n\r\nftpClient.logout();\r\nftpClient.disconnect();\r\n<\/code><\/pre>\n<p>It is important to note that the breakpoint upload feature requires server support for resuming uploads, as well as the necessary permissions and configuration.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There are two ways to achieve breakpoint upload in Android: Range requests using HttpClient or OkHttp: When uploading a file, include the Range field in the request header to specify the starting position of the file, and send the request to the server. Upon receiving the request, the server will continue writing the file from [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[18955,13,18958,18957,18956],"class_list":["post-14075","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-android-breakpoint-upload","tag-android-development","tag-android-file-upload","tag-okhttp-tutorial","tag-resumable-upload"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Android Breakpoint Upload: Implementation Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to implement breakpoint upload on Android using Range requests with HttpClient or OkHttp. Complete guide with code examples.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-of-implementing-breakpoint-upload-on-android\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Android Breakpoint Upload: Implementation Guide\" \/>\n<meta property=\"og:description\" content=\"Learn how to implement breakpoint upload on Android using Range requests with HttpClient or OkHttp. 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