Add Image to Firebase Storage

build.gradle

dependencies {
    compile 'com.google.firebase:firebase-storage:12.0.1'
}

MainActivity.java

public class MainActivity extends AppCompatActivity {
  FirebaseStorage storage = FirebaseStorage.getInstance();
  
  // Fetch the Image file uri and replace it with 'new File("path/to/images/rivers.jpg")'
  Uri file = Uri.fromFile(new File("path/to/images/rivers.jpg"));
  StorageReference riversRef = storageRef.child("images/"+file.getLastPathSegment());
  uploadTask = riversRef.putFile(file);

  // Register observers to listen for when the download is done or if it fails
  uploadTask.addOnFailureListener(new OnFailureListener() {
    @Override
    public void onFailure(@NonNull Exception exception) {
        // Handle unsuccessful uploads
    }
}).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
    @Override
    public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
        // taskSnapshot.getMetadata() contains file metadata such as size, content-type, and download URL.
        Uri downloadUrl = taskSnapshot.getDownloadUrl();
    }
});
}