Method onSave

app/src/main/java/eu/faircode/email/ActivityEML.java:468–484

(MessageHelper.AttachmentPart apart)

                            }

                            @Override
                            public void onSave(MessageHelper.AttachmentPart apart) {
                                ActivityEML.this.apart = apart;

                                Intent create = new Intent(Intent.ACTION_CREATE_DOCUMENT);
                                create.addCategory(Intent.CATEGORY_OPENABLE);
                                create.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
                                create.setType(apart.attachment.getMimeType());
                                if (!TextUtils.isEmpty(apart.attachment.name))
                                    create.putExtra(Intent.EXTRA_TITLE, apart.attachment.name);
                                Helper.openAdvanced(ActivityEML.this, create);
                                if (create.resolveActivity(getPackageManager()) == null) // system whitelisted
                                    Log.unexpectedError(getSupportFragmentManager(),
                                            new IllegalArgumentException(getString(R.string.title_no_saf)), 25);
                                else
                                    startActivityForResult(Helper.getChooser(ActivityEML.this, create), REQUEST_ATTACHMENT);
                            }
                        });
                rvAttachment.setAdapter(adapter);