Revert ZipService to depends on java.util.zip instead of zip4j.

Fixes regression of corrupted zip files after migrated to zip4j. Additionally, sends a ACTION_MEDIA_SCANNER_SCAN_FILE intent so the generated zip file is visible when device is accessible as storage device over USB.

app/src/main/java/com/amaze/filemanager/asynchronous/services/ZipService.java

@@ -28,13 +28,15 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
+import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.IBinder;
 import android.preference.PreferenceManager;
+import android.widget.RemoteViews;
+
 import androidx.annotation.NonNull;
 import androidx.annotation.StringRes;
 import androidx.core.app.NotificationCompat;
-import android.widget.RemoteViews;
 
 import com.amaze.filemanager.R;
 import com.amaze.filemanager.activities.MainActivity;
@@ -49,16 +51,16 @@
 import com.amaze.filemanager.utils.files.FileUtils;
 import com.amaze.filemanager.utils.files.GenericCopyUtil;
 
-import net.lingala.zip4j.exception.ZipException;
-import net.lingala.zip4j.io.ZipOutputStream;
-import net.lingala.zip4j.model.ZipParameters;
-import net.lingala.zip4j.util.Zip4jConstants;
-
+import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.ArrayList;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipException;
+import java.util.zip.ZipOutputStream;
 
 public class ZipService extends AbstractProgressiveService {
 
@@ -263,12 +265,13 @@ public void execute(final @NonNull Context context, ArrayList<File> baseFiles, S
                     progressHandler.setSourceFilesProcessed(++fileProgress);
                     compressFile(file, "");
                 }
-            } catch (IOException | ZipException e) {
+            } catch (IOException e) {
                 e.printStackTrace();
             } finally {
                 try {
                     zos.flush();
                     zos.close();
+                    context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE).setData(Uri.fromFile(zipDirectory)));
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
@@ -281,11 +284,18 @@ private void compressFile(File file, String path) throws IOException, NullPointe
             if (!file.isDirectory()) {
                 byte[] buf = new byte[GenericCopyUtil.DEFAULT_BUFFER_SIZE];
                 int len;
-                ZipParameters parameters = new ZipParameters();
-                parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
-                parameters.setFileNameInZip(path + "/" + file.getName());
-                zos.putNextEntry(file, parameters);
-                ServiceWatcherUtil.position += file.length();
+                BufferedInputStream in = new BufferedInputStream(new FileInputStream(file));
+                zos.putNextEntry(new ZipEntry(path + "/" + file.getName()));
+                try {
+                    while ((len = in.read(buf)) > 0) {
+                        if (!progressHandler.getCancelled()) {
+                            zos.write(buf, 0, len);
+                            ServiceWatcherUtil.position += len;
+                        } else break;
+                    }
+                } finally {
+                    in.close();
+                }
                 return;
             }