Android implementation files or folders are compressed into. zip format compressed packages
- 2021-09-20 21:26:46
- OfStack
This article example for everyone to share Android compressed files and folders for your reference, the specific content is as follows
/**
* Compressed Files and Folders
*
* @param srcFileString Files or folders to compress
* @param zipFileString Compressed completed Zip Path
* @throws Exception
*/
public static void ZipFolder(String srcFileString, String zipFileString) throws Exception {
// Create ZIP
ZipOutputStream outZip = new ZipOutputStream(new FileOutputStream(zipFileString));
// Create a file
File file = new File(srcFileString);
// Compression
LogUtils.LOGE("---->"+file.getParent()+"==="+file.getAbsolutePath());
ZipFiles(file.getParent()+ File.separator, file.getName(), outZip);
// Complete and close
outZip.finish();
outZip.close();
}
/**
* Zip file
*
* @param folderString
* @param fileString
* @param zipOutputSteam
* @throws Exception
*/
private static void ZipFiles(String folderString, String fileString, ZipOutputStream zipOutputSteam) throws Exception {
LogUtils.LOGE("folderString:" + folderString + "\n" +
"fileString:" + fileString + "\n==========================");
if (zipOutputSteam == null)
return;
File file = new File(folderString + fileString);
if (file.isFile()) {
ZipEntry zipEntry = new ZipEntry(fileString);
FileInputStream inputStream = new FileInputStream(file);
zipOutputSteam.putNextEntry(zipEntry);
int len;
byte[] buffer = new byte[4096];
while ((len = inputStream.read(buffer)) != -1) {
zipOutputSteam.write(buffer, 0, len);
}
zipOutputSteam.closeEntry();
} else {
// Folder
String fileList[] = file.list();
// No subfiles and compression
if (fileList.length <= 0) {
ZipEntry zipEntry = new ZipEntry(fileString + File.separator);
zipOutputSteam.putNextEntry(zipEntry);
zipOutputSteam.closeEntry();
}
// Subfiles and recursion
for (int i = 0; i < fileList.length; i++) {
ZipFiles(folderString+fileString+"/", fileList[i], zipOutputSteam);
}
}
}