Image uploading function which send images to the firebase storage in a loop (Multiple Image firebasae image upload )

UploadImage.java

// GETTING IMAGE PATHS FROM PHONE GALLERY IN ARRAYLIST(STRING TYPE)
private synchronized void UploadToFireBaseStorage(ArrayList<String> filePath,int type) {
    String uploadFolder = null;
    String attachmentType = null;
    final ArrayList<String> multipleImages = new ArrayList<>();
    Log.d(TAG,"Size of File at Upload Method "+filePath.size());

    switch (type){
        case 0:
            uploadFolder = "Photos";
            attachmentType = "Image";
            break;     

    }
    Uri fileUri = null;

    for (String s : filePath) {
        if (type == 0) {
            if (s.contains(".jpg")) {
                fileUri = Uri.fromFile(new File(s));
            } else {
                fileUri = Uri.parse(s);
            }
        }
      
        StorageReference mStorageReference = FirebaseStorage.getInstance().getReference();
        final StorageReference storageReference;
        Log.d(TAG, "UploadToFireBaseStorage: StorageRef "+mStorageReference);


        storageReference = mStorageReference.child(uploadFolder).child(fileUri.getLastPathSegment());
        Log.d(TAG, "UploadToFireBaseStorage: Storage Reference "+storageReference);
        Log.d(TAG, "UploadToFireBaseStorage: File URI = "+fileUri);
        String finalAttachmentType = attachmentType;
        storageReference.putFile(fileUri).addOnSuccessListener(this, new OnSuccessListener<UploadTask.TaskSnapshot>() {
            @Override
            public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {

                storageReference.getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() {
                    @Override
                    public void onSuccess(Uri uri) {
                        Log.d(TAG, "Image Uploaded ");
                        Log.d(TAG, "onSuccess: File Array == "+filePath.size()+" "+multipleImages.size());
                        multipleImages.add(uri.toString());
                        Log.d(TAG, "onSuccess: Image Uploaded Success ");       


                    }
                });
            }
        }).addOnProgressListener(new OnProgressListener<UploadTask.TaskSnapshot>() {
            @Override
            public void onProgress(UploadTask.TaskSnapshot taskSnapshot) {
                double progress = 100.0 * taskSnapshot.getBytesTransferred() / (double) taskSnapshot.getTotalByteCount();
                Log.d(TAG, "Upload is " + progress + "% done");                

            }
        }).addOnFailureListener(new OnFailureListener() {
            @Override
            public void onFailure(@NonNull Exception e) {
                Log.d(TAG, "onFailure: "+s);               
                Toast.makeText(Navigation_Drawer.this, "File Sending Failed", Toast.LENGTH_SHORT).show();
                return;
            }
        });
    }
}