Firebase Storage - UploadFromDataInMemory.java

UploadFromDataInMemory.java

private void uploadFromDataInMemory() {
  Helper.showDialog(this);
  // Get the data from an ImageView as bytes
  mImageView.setDrawingCacheEnabled(true);
  mImageView.buildDrawingCache();
  Bitmap bitmap = mImageView.getDrawingCache();
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos);
  byte[] data = baos.toByteArray();

  mUploadTask = imageRef.putBytes(data);
  mUploadTask.addOnFailureListener(new OnFailureListener() {
    @Override
    public void onFailure(@NonNull Exception exception) {
      Helper.dismissDialog();
      mTextView.setText(String.format("Failure: %s", exception.getMessage()));
    }
  }).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.
      Helper.dismissDialog();
      imageRef.getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() {
        @Override
        public void onSuccess(Uri uri) {
          mTextView.setText(uri.toString());
        }
      });
    }
  });
}