How to Download and Resume File Transfers from an FTP server using Apache Commons FTP Library in Android?

Android FTP Library

In the realm of Android development, the need often arises for efficient and robust file transfer protocols. If you're looking for a reliable FTP library that seamlessly integrates with Android, we've got you covered.

Problem Statement

You're seeking a Java library for Android that allows you to download and resume file transfers from an FTP server.

Solution

Consider utilizing the widely-regarded apache commons ftp library. Here's a code snippet to illustrate its usage:

<code class="java">FTPClient ftpClient = new FTPClient();
// Connect to the server by IP address
ftpClient.connect(InetAddress.getByName(server));
// Log in with credentials
ftpClient.login(user, password);
// Navigate to the target directory
ftpClient.changeWorkingDirectory(serverRoad);
// Set file transfer type as binary
ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
// Enter passive mode for data transfer
ftpClient.enterLocalPassiveMode();
// Define the local file for upload
BufferedInputStream buffIn = new BufferedInputStream(new FileInputStream(file));
// Upload the file to the server
ftpClient.storeFile("test.txt", buffIn);
// Close the input stream
buffIn.close();
// Log out and disconnect from the server
ftpClient.logout();
ftpClient.disconnect();</code>

By leveraging the functionality of apache commons ftp, you can effortlessly execute FTP transfers and streamline your file management tasks in Android applications.

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