Firebase Storage image upload successful through Android App but how to get url?

Question

I have used this library in my Android app

implementation 'com.google.firebase:firebase-core:17.0.0' implementation 'com.google.firebase:firebase-firestore:20.0.0' implementation 'com.google.firebase:firebase-storage:18.0.0'

And this method use to upload my image on Firebase Storage:

 StorageReference storageRef = mStorage.getReference(); finalStorageReference mountainsRef = storageRef.child("myImgName"); Uri file = Uri.fromFile(new File(myImgName)); UploadTask uploadTask = mountainsRef.putFile(file); uploadTask.addOnFailureListener(new OnFailureListener() { @Override public void onFailure(@NonNull Exception exception) { // Handle unsuccessful uploads progressDialog.dismiss(); Log.e(TAG, "img Error :" + exception.getMessage()); //Toast.makeText(MainActivity.this, "Failed "+e.getMessage(), Toast.LENGTH_SHORT).show(); } }).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() { @Override public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) { progressDialog.dismiss(); //Log.e(TAG, "Task :" + taskSnapshot.getTask()); //Log.e(TAG, "Class Store:" + taskSnapshot.getStorage().getDownloadUrl()); Log.e(TAG,"metaData :"+taskSnapshot.getMetadata().getPath()); // taskSnapshot.getMetadata() contains file metadata such as size, content-type, etc. // ... } }).addOnProgressListener(new OnProgressListener<UploadTask.TaskSnapshot>() { @Override public void onProgress(UploadTask.TaskSnapshot taskSnapshot) { double progress = (100.0 * taskSnapshot.getBytesTransferred() / taskSnapshot .getTotalByteCount()); progressDialog.setMessage("Uploaded " + (int) progress + "%"); } });

this code perfectly working for me to upload image. but how to know the image location url ?

Note that Cloud Storage for Firebase (originally called Firebase Storage) is not the same as Cloud Firestore. Storage is a file-storage solution, while the latter is a NoSQL database. You're calling the Storage API, so please tag accordingly (as I did) — Frank van Puffelen
– Frank van Puffelen, Commented Jun 29, 2019 at 5:08

Frank van Puffelen · Accepted Answer · 2019-06-29 05:13:59Z

To get the download URL for a file in Cloud Storage, you call getDownloadUrl() on the StorageReference to that file. getDownloadUrl() returns a task, so you'll need to add a success listener to get the result.

mountainsRef.getStorage().getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() { @Override public void onSuccess(Uri uri) { // Got the download URL for 'users/me/profile.png' in uri System.out.println(uri.toString()); } }).addOnFailureListener(new OnFailureListener() { @Override public void onFailure(@NonNull Exception exception) { // Handle any errors } });

For more on this, see:

the sample in the documentation on uploading a file
the documentation on downloading a file
How to use getdownloadurl in recent versions?

Anupam · Accepted Answer · 2019-06-29 05:21:00Z

You can find your project's URL at the top of the Files section of Storage in the Firebase Console

 FirebaseStorage storage = FirebaseStorage.getInstance(); StorageReference storageRef = storage.getReferenceFromUrl("gs://example-firebase.appspot.com").child("android.jpg");

You can create a File object and attempt to load the file you want by calling getFile on your StorageReference with the new File object passed as a parameter. Since this operation happens asynchronously, you can add an OnSuccessListener and OnFailureListener

 try { final File localFile = File.createTempFile("images", "jpg"); storageRef.getFile(localFile).addOnSuccessListener(new OnSuccessListener<FileDownloadTask.TaskSnapshot>() { @Override public void onSuccess(FileDownloadTask.TaskSnapshot taskSnapshot) { Bitmap bitmap = BitmapFactory.decodeFile(localFile.getAbsolutePath()); mImageView.setImageBitmap(bitmap); } }).addOnFailureListener(new OnFailureListener() { @Override public void onFailure(@NonNull Exception exception) { } }); } catch (IOException e ) {}

You can get the file's Url by using the getDownloadUrl() method on your StorageReference, which will give you a Uri pointing to the file's location.

storageRef.getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() { @Override public void onSuccess(Uri uri) { Log.e("Image +", "uri: " + uri.toString()); //Handle whatever you're going to do with the URL here } });

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