How do I do? Error: cannot find symbol method getdownloadurl()

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Java

i am tryng to upload image in firebase,
but i have one problem
about
getDownloadUrl

error: cannot find symbol method getDownloadUrl()

What I have tried:

package com.example.uploadimageswithtextfirebase;
import android.app.ProgressDialog;
import android.content.ContentResolver;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.provider.MediaStore;
import android.os.Bundle;
import android.view.View;
import android.webkit.MimeTypeMap;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.storage.FirebaseStorage;
import com.google.firebase.storage.OnProgressListener;
import com.google.firebase.storage.StorageReference;
import com.google.firebase.storage.UploadTask;

import java.io.IOException;

public class MainActivity extends AppCompatActivity {

// Folder path for Firebase Storage.
String Storage_Path = "All_Image_Uploads/";

// Root Database Name for Firebase Database.
String Database_Path = "All_Image_Uploads_Database";

// Creating button.
Button ChooseButton, UploadButton;

// Creating EditText.
EditText ImageName ;

// Creating ImageView.
ImageView SelectImage;

// Creating URI.
Uri FilePathUri;

// Creating StorageReference and DatabaseReference object.
StorageReference storageReference;
DatabaseReference databaseReference;

// Image request code for onActivityResult() .
int Image_Request_Code = 7;

ProgressDialog progressDialog ;

Boolean CheckImageViewEditText;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

// Assign FirebaseStorage instance to storageReference.
storageReference = FirebaseStorage.getInstance().getReference();

// Assign FirebaseDatabase instance with root database name.
databaseReference = FirebaseDatabase.getInstance().getReference(Database_Path);

//Assign ID'S to button.
ChooseButton = findViewById(R.id.ButtonChooseImage);
UploadButton = findViewById(R.id.ButtonUploadImage);

// Assign ID's to EditText.
ImageName = findViewById(R.id.ImageNameEditText);

// Assign ID'S to image view.
SelectImage = findViewById(R.id.ShowImageView);

// Assigning Id to ProgressDialog.
progressDialog = new ProgressDialog(MainActivity.this);

// Adding click listener to Choose image button.
ChooseButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {

// Creating intent.
Intent intent = new Intent();

// Setting intent type as image to select image from phone storage.
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Please Select Image"), Image_Request_Code);

}
});


// Adding click listener to Upload image button.
UploadButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {

// Calling method to upload selected image on Firebase storage.
UploadImageFileToFirebaseStorage();

}
});
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {

super.onActivityResult(requestCode, resultCode, data);

if (requestCode == Image_Request_Code && resultCode == RESULT_OK && data != null && data.getData() != null) {

FilePathUri = data.getData();

try {

// Getting selected image into Bitmap.
Bitmap bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), FilePathUri);

// Setting up bitmap selected image into ImageView.
SelectImage.setImageBitmap(bitmap);

// After selecting image change choose button above text.
ChooseButton.setText("Image Selected");

}
catch (IOException e) {

e.printStackTrace();
}
}
}

// Creating Method to get the selected image file Extension from File Path URI.
public String GetFileExtension(Uri uri) {

ContentResolver contentResolver = getContentResolver();

MimeTypeMap mimeTypeMap = MimeTypeMap.getSingleton();

// Returning the file Extension.
return mimeTypeMap.getExtensionFromMimeType(contentResolver.getType(uri)) ;

}

// Creating UploadImageFileToFirebaseStorage method to upload image on storage.
public void UploadImageFileToFirebaseStorage() {

// Checking whether FilePathUri Is empty or not.
if (FilePathUri != null) {

// Setting progressDialog Title.
progressDialog.setTitle("Image is Uploading...");

// Showing progressDialog.
progressDialog.show();

// Creating second StorageReference.
StorageReference storageReference2nd = storageReference.child(Storage_Path + System.currentTimeMillis() + "." + GetFileExtension(FilePathUri));

// Adding addOnSuccessListener to second StorageReference.
storageReference2nd.putFile(FilePathUri)
.addOnSuccessListener(new OnSuccessListener<uploadtask.tasksnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {

// Getting image name from EditText and store into string variable.
String TempImageName = ImageName.getText().toString().trim();

// Hiding the progressDialog after done uploading.
progressDialog.dismiss();

// Showing toast message after done uploading.
Toast.makeText(getApplicationContext(), "Image Uploaded Successfully ", Toast.LENGTH_LONG).show();

@SuppressWarnings("VisibleForTests")
ImageUploadInfo imageUploadInfo = new ImageUploadInfo(TempImageName, taskSnapshot.getDownloadUrl().toString());

// Getting image upload ID.
String ImageUploadId = databaseReference.push().getKey();

// Adding image upload id s child element into databaseReference.
databaseReference.child(ImageUploadId).setValue(imageUploadInfo);
}
})
// If something goes wrong .
.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception exception) {

// Hiding the progressDialog.
progressDialog.dismiss();

// Showing exception erro message.
Toast.makeText(MainActivity.this, exception.getMessage(), Toast.LENGTH_LONG).show();
}
})

// On progress change upload time.
.addOnProgressListener(new OnProgressListener<uploadtask.tasksnapshot>() {
@Override
public void onProgress(UploadTask.TaskSnapshot taskSnapshot) {

// Setting progressDialog Title.
progressDialog.setTitle("Image is Uploading...");

}
});
}
else {

Toast.makeText(MainActivity.this, "Please Select Image or Add Image Name", Toast.LENGTH_LONG).show();

}
}


}