Update Intent API

This commit is contained in:
Dominik Schürmann 2013-09-14 03:50:24 +02:00
parent bf7fb08bca
commit f5b53b58f7
5 changed files with 81 additions and 248 deletions

View File

@ -146,7 +146,6 @@
<!-- Keychain's own Actions -->
<intent-filter>
<action android:name="org.sufficientlysecure.keychain.action.ENCRYPT" />
<action android:name="org.sufficientlysecure.keychain.action.ENCRYPT_FILE" />
<category android:name="android.intent.category.DEFAULT" />
@ -171,7 +170,6 @@
<!-- Keychain's own Actions -->
<intent-filter>
<action android:name="org.sufficientlysecure.keychain.action.DECRYPT" />
<action android:name="org.sufficientlysecure.keychain.action.DECRYPT_FILE" />
<category android:name="android.intent.category.DEFAULT" />

View File

@ -58,9 +58,9 @@
<!-- btn_lowerCase: capitalized words, no punctuation -->
<string name="btn_signToClipboard">Sign (Clipboard)</string>
<string name="btn_encryptToClipboard">Encrypt (Clipboard)</string>
<string name="btn_encryptAndEmail">Encrypt (Email)</string>
<string name="btn_signAndEmail">Sign (Email)</string>
<string name="btn_encryptToClipboard">Encrypt to Clipboard</string>
<string name="btn_encryptAndSend">Encrypt and send…</string>
<string name="btn_signAndSend">Sign and send…</string>
<string name="btn_encrypt">Encrypt</string>
<string name="btn_sign">Sign</string>
<string name="btn_decrypt">Decrypt</string>

View File

@ -74,19 +74,13 @@ public class DecryptActivity extends SherlockFragmentActivity {
/* Intents */
// without permission
public static final String ACTION_DECRYPT = Constants.INTENT_PREFIX + "DECRYPT";
public static final String ACTION_DECRYPT_FILE = Constants.INTENT_PREFIX + "DECRYPT_FILE";
/* EXTRA keys for input */
public static final String EXTRA_TEXT = "text";
public static final String EXTRA_DATA = "data";
public static final String EXTRA_REPLY_TO = "reply_to";
public static final String EXTRA_SUBJECT = "subject";
private long mSignatureKeyId = 0;
private boolean mReturnResult = false;
private String mReplyTo = null;
private String mSubject = null;
private boolean mSignedOnly = false;
private boolean mAssumeSymmetricEncryption = false;
@ -116,7 +110,6 @@ public class DecryptActivity extends SherlockFragmentActivity {
private String mOutputFilename = null;
private Uri mContentUri = null;
private byte[] mDataBytes = null;
private boolean mReturnBinary = false;
private long mUnknownSignatureKeyId = 0;
@ -310,7 +303,7 @@ public class DecryptActivity extends SherlockFragmentActivity {
if (mDecryptImmediately
|| (mSource.getCurrentView().getId() == R.id.sourceMessage && (mMessage.getText()
.length() > 0 || mDataBytes != null || mContentUri != null))) {
.length() > 0 || mContentUri != null))) {
decryptClicked();
}
}
@ -334,7 +327,7 @@ public class DecryptActivity extends SherlockFragmentActivity {
* Android's Action
*/
if (Intent.ACTION_SEND.equals(action) && type != null) {
// When sending to APG Encrypt via share menu
// When sending to Keychain Encrypt via share menu
if ("text/plain".equals(type)) {
// Plain text
String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
@ -348,83 +341,46 @@ public class DecryptActivity extends SherlockFragmentActivity {
// Binary via content provider (could also be files)
// override uri to get stream from send
uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
action = ACTION_DECRYPT_FILE;
action = ACTION_DECRYPT;
}
} else if (Intent.ACTION_VIEW.equals(action)) {
// Android's Action when opening file associated to APG (see AndroidManifest.xml)
// Android's Action when opening file associated to Keychain (see AndroidManifest.xml)
// override action
action = ACTION_DECRYPT_FILE;
// EVERYTHING ELSE IS OLD CODE
// This gets the Uri, where an inputStream can be opened from
// mContentUri = intent.getData();
// TODO: old implementation of ACTION_VIEW. Is this used in K9?
// Uri uri = mIntent.getData();
// try {
// InputStream attachment = getContentResolver().openInputStream(uri);
// ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
// byte bytes[] = new byte[1 << 16];
// int length;
// while ((length = attachment.read(bytes)) > 0) {
// byteOut.write(bytes, 0, length);
// }
// byteOut.close();
// String data = new String(byteOut.toByteArray());
// mMessage.setText(data);
// } catch (FileNotFoundException e) {
// // ignore, then
// } catch (IOException e) {
// // ignore, then
// }
// same as ACTION_DECRYPT_FILE but decrypt it immediately
// handleActionDecryptFile(intent);
// mDecryptImmediately = true;
action = ACTION_DECRYPT;
}
String textData = extras.getString(EXTRA_TEXT);
/**
* Main Actions
*/
if (ACTION_DECRYPT.equals(action)) {
mDataBytes = extras.getByteArray(EXTRA_DATA);
String textData = null;
if (mDataBytes == null) {
Log.d(Constants.TAG, "EXTRA_DATA was null");
textData = extras.getString(EXTRA_TEXT);
if (ACTION_DECRYPT.equals(action) && textData != null) {
Log.d(Constants.TAG, "textData null, matching text ...");
Matcher matcher = PgpMain.PGP_MESSAGE.matcher(textData);
if (matcher.matches()) {
Log.d(Constants.TAG, "PGP_MESSAGE matched");
textData = matcher.group(1);
// replace non breakable spaces
textData = textData.replaceAll("\\xa0", " ");
mMessage.setText(textData);
} else {
Log.d(Constants.TAG, "Got data from EXTRA_DATA");
}
if (textData != null) {
Log.d(Constants.TAG, "textData null, matching text ...");
Matcher matcher = PgpMain.PGP_MESSAGE.matcher(textData);
matcher = PgpMain.PGP_SIGNED_MESSAGE.matcher(textData);
if (matcher.matches()) {
Log.d(Constants.TAG, "PGP_MESSAGE matched");
Log.d(Constants.TAG, "PGP_SIGNED_MESSAGE matched");
textData = matcher.group(1);
// replace non breakable spaces
textData = textData.replaceAll("\\xa0", " ");
mMessage.setText(textData);
} else {
matcher = PgpMain.PGP_SIGNED_MESSAGE.matcher(textData);
if (matcher.matches()) {
Log.d(Constants.TAG, "PGP_SIGNED_MESSAGE matched");
textData = matcher.group(1);
// replace non breakable spaces
textData = textData.replaceAll("\\xa0", " ");
mMessage.setText(textData);
mDecryptString = getString(R.string.btn_verify);
// build new action bar
invalidateOptionsMenu();
} else {
Log.d(Constants.TAG, "Nothing matched!");
}
mDecryptString = getString(R.string.btn_verify);
// build new action bar
invalidateOptionsMenu();
} else {
Log.d(Constants.TAG, "Nothing matched!");
}
}
mReplyTo = extras.getString(EXTRA_REPLY_TO);
mSubject = extras.getString(EXTRA_SUBJECT);
} else if (ACTION_DECRYPT_FILE.equals(action)) {
} else if (ACTION_DECRYPT.equals(action) && uri != null) {
// get file path from uri
String path = FileHelper.getPath(this, uri);
@ -439,45 +395,16 @@ public class DecryptActivity extends SherlockFragmentActivity {
}
} else {
Log.e(Constants.TAG,
"Direct binary data without actual file in filesystem is not supported. This is only supported by ACTION_DECRYPT_STREAM_AND_RETURN.");
"Direct binary data without actual file in filesystem is not supported. Please use the Remote Service API!");
Toast.makeText(this, R.string.error_onlyFilesAreSupported, Toast.LENGTH_LONG)
.show();
// end activity
finish();
}
} else {
Log.e(Constants.TAG,
"Include the extra 'text' or an Uri with setData() in your Intent!");
}
// } else if (ACTION_DECRYPT_AND_RETURN.equals(action)) {
// mReturnBinary = extras.getBoolean(EXTRA_BINARY, false);
//
// if (mContentUri == null) {
// mDataBytes = extras.getByteArray(EXTRA_DATA);
// String data = extras.getString(EXTRA_TEXT);
// if (data != null) {
// Matcher matcher = PgpMain.PGP_MESSAGE.matcher(data);
// if (matcher.matches()) {
// data = matcher.group(1);
// // replace non breakable spaces
// data = data.replaceAll("\\xa0", " ");
// mMessage.setText(data);
// } else {
// matcher = PgpMain.PGP_SIGNED_MESSAGE.matcher(data);
// if (matcher.matches()) {
// data = matcher.group(1);
// // replace non breakable spaces
// data = data.replaceAll("\\xa0", " ");
// mMessage.setText(data);
// mDecryptString = getString(R.string.btn_verify);
//
// // build new action bar
// invalidateOptionsMenu();
// }
// }
// }
// }
// mReturnResult = true;
// } else if (ACTION_DECRYPT_STREAM_AND_RETURN.equals(action)) {
// // TODO: Implement decrypt stream
// }
}
private void guessOutputFilename() {
@ -641,11 +568,7 @@ public class DecryptActivity extends SherlockFragmentActivity {
Toast.LENGTH_SHORT).show();
}
} else {
if (mDataBytes != null) {
inStream = new ByteArrayInputStream(mDataBytes);
} else {
inStream = new ByteArrayInputStream(mMessage.getText().toString().getBytes());
}
inStream = new ByteArrayInputStream(mMessage.getText().toString().getBytes());
}
// get decryption key for this inStream
@ -685,8 +608,6 @@ public class DecryptActivity extends SherlockFragmentActivity {
data = data.replaceAll("(?m)^", "> ");
data = "\n\n" + data;
intent.putExtra(EncryptActivity.EXTRA_TEXT, data);
intent.putExtra(EncryptActivity.EXTRA_SUBJECT, "Re: " + mSubject);
intent.putExtra(EncryptActivity.EXTRA_SEND_TO, mReplyTo);
intent.putExtra(EncryptActivity.EXTRA_SIGNATURE_KEY_ID, mSecretKeyId);
intent.putExtra(EncryptActivity.EXTRA_ENCRYPTION_KEY_IDS, new long[] { mSignatureKeyId });
startActivity(intent);
@ -768,13 +689,8 @@ public class DecryptActivity extends SherlockFragmentActivity {
} else {
data.putInt(KeychainIntentService.TARGET, KeychainIntentService.TARGET_BYTES);
if (mDataBytes != null) {
data.putByteArray(KeychainIntentService.DECRYPT_CIPHERTEXT_BYTES, mDataBytes);
} else {
String message = mMessage.getText().toString();
data.putByteArray(KeychainIntentService.DECRYPT_CIPHERTEXT_BYTES,
message.getBytes());
}
String message = mMessage.getText().toString();
data.putByteArray(KeychainIntentService.DECRYPT_CIPHERTEXT_BYTES, message.getBytes());
}
data.putLong(KeychainIntentService.ENCRYPT_SECRET_KEY_ID, mSecretKeyId);

View File

@ -72,22 +72,18 @@ import com.actionbarsherlock.view.MenuItem;
public class EncryptActivity extends SherlockFragmentActivity {
/* Intents */
// without permission
public static final String ACTION_ENCRYPT = Constants.INTENT_PREFIX + "ENCRYPT";
public static final String ACTION_ENCRYPT_FILE = Constants.INTENT_PREFIX + "ENCRYPT_FILE";
/* EXTRA keys for input */
public static final String EXTRA_TEXT = "text";
public static final String EXTRA_DATA = "data";
public static final String EXTRA_ASCII_ARMOUR = "ascii_armor";
public static final String EXTRA_SEND_TO = "send_to";
public static final String EXTRA_SUBJECT = "subject";
// enables ASCII Armor for file encryption when uri is given
public static final String EXTRA_ASCII_ARMOR = "ascii_armor";
// preselect ids, for internal use
public static final String EXTRA_SIGNATURE_KEY_ID = "signature_key_id";
public static final String EXTRA_ENCRYPTION_KEY_IDS = "encryption_key_ids";
private String mSubject = null;
private String mSendTo = null;
private long mEncryptionKeyIds[] = null;
private EditText mMessage = null;
@ -116,7 +112,7 @@ public class EncryptActivity extends SherlockFragmentActivity {
private EditText mPassPhrase = null;
private EditText mPassPhraseAgain = null;
private CheckBox mAsciiArmour = null;
private CheckBox mAsciiArmor = null;
private Spinner mFileCompression = null;
private EditText mFilename = null;
@ -127,9 +123,7 @@ public class EncryptActivity extends SherlockFragmentActivity {
private String mOutputFilename = null;
private boolean mAsciiArmorDemand = false;
private boolean mOverrideAsciiArmour = false;
private Uri mStreamAndReturnUri = null;
private byte[] mData = null;
private boolean mOverrideAsciiArmor = false;
private boolean mGenerateSignature = false;
@ -201,26 +195,7 @@ public class EncryptActivity extends SherlockFragmentActivity {
updateSource();
updateMode();
// if (mEncryptImmediately) {
// mSourcePrevious.setClickable(false);
// mSourcePrevious.setEnabled(false);
// mSourcePrevious.setVisibility(View.INVISIBLE);
//
// mSourceNext.setClickable(false);
// mSourceNext.setEnabled(false);
// mSourceNext.setVisibility(View.INVISIBLE);
//
// mSourceLabel.setClickable(false);
// mSourceLabel.setEnabled(false);
// }
updateActionBarButtons();
// if (mEncryptImmediately
// && (mMessage.getText().length() > 0 || mData != null)
// && ((mEncryptionKeyIds != null && mEncryptionKeyIds.length > 0) || mSecretKeyId != 0)) {
// encryptClicked();
// }
}
/**
@ -250,40 +225,24 @@ public class EncryptActivity extends SherlockFragmentActivity {
// handle like normal text encryption, override action and extras to later
// execute ACTION_ENCRYPT in main actions
extras.putString(EXTRA_TEXT, sharedText);
extras.putBoolean(EXTRA_ASCII_ARMOUR, true);
extras.putBoolean(EXTRA_ASCII_ARMOR, true);
action = ACTION_ENCRYPT;
}
} else {
// Files via content provider, override uri and action
uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
action = ACTION_ENCRYPT_FILE;
action = ACTION_ENCRYPT;
}
}
// if (ACTION_ENCRYPT_AND_RETURN.equals(action)
// || ACTION_GENERATE_SIGNATURE_AND_RETURN.equals(action)) {
// mEncryptImmediately = true;
// }
//
// if (ACTION_GENERATE_SIGNATURE_AND_RETURN.equals(action)) {
// mGenerateSignature = true;
// mOverrideAsciiArmour = true;
// mAsciiArmorDemand = false;
// }
if (extras.containsKey(EXTRA_ASCII_ARMOUR)) {
mAsciiArmorDemand = extras.getBoolean(EXTRA_ASCII_ARMOUR, true);
mOverrideAsciiArmour = true;
mAsciiArmour.setChecked(mAsciiArmorDemand);
if (extras.containsKey(EXTRA_ASCII_ARMOR)) {
mAsciiArmorDemand = extras.getBoolean(EXTRA_ASCII_ARMOR, true);
mOverrideAsciiArmor = true;
mAsciiArmor.setChecked(mAsciiArmorDemand);
}
mData = extras.getByteArray(EXTRA_DATA);
String textData = null;
if (mData == null) {
textData = extras.getString(EXTRA_TEXT);
}
mSendTo = extras.getString(EXTRA_SEND_TO);
mSubject = extras.getString(EXTRA_SUBJECT);
String textData = extras.getString(EXTRA_TEXT);
long signatureKeyId = extras.getLong(EXTRA_SIGNATURE_KEY_ID);
long[] encryptionKeyIds = extras.getLongArray(EXTRA_ENCRYPTION_KEY_IDS);
@ -293,18 +252,18 @@ public class EncryptActivity extends SherlockFragmentActivity {
/**
* Main Actions
*/
// if (ACTION_ENCRYPT.equals(action) || ACTION_ENCRYPT_AND_RETURN.equals(action)
// || ACTION_GENERATE_SIGNATURE_AND_RETURN.equals(action)) {
if (ACTION_ENCRYPT.equals(action)) {
if (textData != null) {
mMessage.setText(textData);
}
if (ACTION_ENCRYPT.equals(action) && textData != null) {
// encrypt text based on given extra
mMessage.setText(textData);
mSource.setInAnimation(null);
mSource.setOutAnimation(null);
while (mSource.getCurrentView().getId() != R.id.sourceMessage) {
mSource.showNext();
}
} else if (ACTION_ENCRYPT_FILE.equals(action)) {
} else if (ACTION_ENCRYPT.equals(action) && uri != null) {
// encrypt file based on Uri
// get file path from uri
String path = FileHelper.getPath(this, uri);
@ -319,16 +278,15 @@ public class EncryptActivity extends SherlockFragmentActivity {
}
} else {
Log.e(Constants.TAG,
"Direct binary data without actual file in filesystem is not supported. This is only supported by ACTION_ENCRYPT_STREAM_AND_RETURN.");
"Direct binary data without actual file in filesystem is not supported by Intents. Please use the Remote Service API!");
Toast.makeText(this, R.string.error_onlyFilesAreSupported, Toast.LENGTH_LONG)
.show();
// end activity
finish();
}
// } else if (ACTION_ENCRYPT_STREAM_AND_RETURN.equals(action)) {
// // TODO: Set mStreamAndReturnUri that is used later to encrypt a stream!
//
// mStreamAndReturnUri = uri;
} else {
Log.e(Constants.TAG,
"Include the extra 'text' or an Uri with setData() in your Intent!");
}
}
@ -391,7 +349,7 @@ public class EncryptActivity extends SherlockFragmentActivity {
private String guessOutputFilename(String path) {
// output in the same directory but with additional ending
File file = new File(path);
String ending = (mAsciiArmour.isChecked() ? ".asc" : ".gpg");
String ending = (mAsciiArmor.isChecked() ? ".asc" : ".gpg");
String outputFilename = file.getParent() + File.separator + file.getName() + ending;
return outputFilename;
@ -455,31 +413,19 @@ public class EncryptActivity extends SherlockFragmentActivity {
mSourceLabel.setText(R.string.label_message);
if (mMode.getCurrentView().getId() == R.id.modeSymmetric) {
// if (mEncryptImmediately) {
// setActionbarButtons(true, R.string.btn_encrypt, false, 0);
// } else {
setActionbarButtons(true, R.string.btn_encryptAndEmail, true,
setActionbarButtons(true, R.string.btn_encryptAndSend, true,
R.string.btn_encryptToClipboard);
// }
} else {
if (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0) {
if (mSecretKeyId == 0) {
setActionbarButtons(false, 0, false, 0);
} else {
// if (mEncryptImmediately) {
// setActionbarButtons(true, R.string.btn_sign, false, 0);
// } else {
setActionbarButtons(true, R.string.btn_signAndEmail, true,
setActionbarButtons(true, R.string.btn_signAndSend, true,
R.string.btn_signToClipboard);
// }
}
} else {
// if (mEncryptImmediately) {
// setActionbarButtons(true, R.string.btn_encrypt, false, 0);
// } else {
setActionbarButtons(true, R.string.btn_encryptAndEmail, true,
setActionbarButtons(true, R.string.btn_encryptAndSend, true,
R.string.btn_encryptToClipboard);
// }
}
}
break;
@ -684,13 +630,8 @@ public class EncryptActivity extends SherlockFragmentActivity {
intent.setAction(KeychainIntentService.ACTION_ENCRYPT_SIGN);
// choose default settings, target and data bundle by target
if (mStreamAndReturnUri != null) {
// mIntentDataUri is only defined when ACTION_ENCRYPT_STREAM_AND_RETURN is used
data.putInt(KeychainIntentService.TARGET, KeychainIntentService.TARGET_STREAM);
data.putParcelable(KeychainIntentService.ENCRYPT_PROVIDER_URI, mStreamAndReturnUri);
} else if (mEncryptTarget == Id.target.file) {
useAsciiArmor = mAsciiArmour.isChecked();
if (mEncryptTarget == Id.target.file) {
useAsciiArmor = mAsciiArmor.isChecked();
compressionId = ((Choice) mFileCompression.getSelectedItem()).getId();
data.putInt(KeychainIntentService.TARGET, KeychainIntentService.TARGET_FILE);
@ -707,19 +648,14 @@ public class EncryptActivity extends SherlockFragmentActivity {
data.putInt(KeychainIntentService.TARGET, KeychainIntentService.TARGET_BYTES);
if (mData != null) {
data.putByteArray(KeychainIntentService.ENCRYPT_MESSAGE_BYTES, mData);
} else {
String message = mMessage.getText().toString();
// if (signOnly && !mEncryptImmediately) {
if (signOnly) {
fixBadCharactersForGmail(message);
}
data.putByteArray(KeychainIntentService.ENCRYPT_MESSAGE_BYTES, message.getBytes());
String message = mMessage.getText().toString();
if (signOnly) {
fixBadCharactersForGmail(message);
}
data.putByteArray(KeychainIntentService.ENCRYPT_MESSAGE_BYTES, message.getBytes());
}
if (mOverrideAsciiArmour) {
if (mOverrideAsciiArmor) {
useAsciiArmor = mAsciiArmorDemand;
}
@ -755,31 +691,18 @@ public class EncryptActivity extends SherlockFragmentActivity {
break;
case Id.target.email:
// if (mEncryptImmediately) {
// Intent intent = new Intent();
// intent.putExtras(data);
// setResult(RESULT_OK, intent);
// finish();
// return;
// }
output = data.getString(KeychainIntentService.RESULT_ENCRYPTED_STRING);
Log.d(Constants.TAG, "output: " + output);
Intent emailIntent = new Intent(Intent.ACTION_SEND);
Intent sendIntent = new Intent(Intent.ACTION_SEND);
// Type is set to text/plain so that encrypted messages can
// be sent with Whatsapp, Hangouts, SMS etc...
emailIntent.setType("text/plain");
sendIntent.setType("text/plain");
emailIntent.putExtra(Intent.EXTRA_TEXT, output);
if (mSubject != null) {
emailIntent.putExtra(Intent.EXTRA_SUBJECT, mSubject);
}
if (mSendTo != null) {
emailIntent.putExtra(Intent.EXTRA_EMAIL, new String[] { mSendTo });
}
startActivity(Intent.createChooser(emailIntent,
sendIntent.putExtra(Intent.EXTRA_TEXT, output);
startActivity(Intent.createChooser(sendIntent,
getString(R.string.title_sendEmail)));
break;
@ -949,8 +872,8 @@ public class EncryptActivity extends SherlockFragmentActivity {
mDeleteAfter = (CheckBox) findViewById(R.id.deleteAfterEncryption);
mAsciiArmour = (CheckBox) findViewById(R.id.asciiArmour);
mAsciiArmour.setChecked(Preferences.getPreferences(this).getDefaultAsciiArmour());
mAsciiArmor = (CheckBox) findViewById(R.id.asciiArmour);
mAsciiArmor.setChecked(Preferences.getPreferences(this).getDefaultAsciiArmour());
mSelectKeysButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {

View File

@ -53,18 +53,14 @@ OpenPGP Keychain specific Intent actions:
* ``org.sufficientlysecure.keychain.action.ENCRYPT``
* To encrypt text use extra ``text`` (type: ``String``)
* To encrypt bytes use extra ``data`` (type: ``byte[]``)
* Enable ASCII Armor (encoding to Radix-64, 33% overhead) by adding the extra ``ascii_armor`` with value ``true``
* ``org.sufficientlysecure.keychain.action.ENCRYPT_FILE``
* Include data ``Uri`` (``intent.setData()``) pointing to a file or content provider
* or set data ``Uri`` (``intent.setData()``) pointing to a file
* Enable ASCII Armor for file encryption (encoding to Radix-64, 33% overhead) by adding the extra ``ascii_armor`` with value ``true``
* ``org.sufficientlysecure.keychain.action.DECRYPT``
* To decrypt text use extra ``text`` (type: ``String``)
* To decrypt bytes use extra ``data`` (type: ``byte[]``)
* ``org.sufficientlysecure.keychain.action.DECRYPT_FILE``
* Include data ``Uri`` (``intent.setData()``) pointing to a file or content provider
* or set data ``Uri`` (``intent.setData()``) pointing to a file
* ``org.sufficientlysecure.keychain.action.IMPORT_KEY``
* Extras: ``key_bytes`` (type: ``byte[]``)
* or Uri in data with file schema
* or set data ``Uri`` (``intent.setData()``) pointing to a file
* ``org.sufficientlysecure.keychain.action.IMPORT_KEY_FROM_QR_CODE``
* without extras starts Barcode Scanner to get QR Code