nextcloud-android/src/main/java/com/owncloud/android/ui/activity/FileActivity.java

712 lines
28 KiB
Java

/*
* ownCloud Android client application
*
* @author David A. Velasco
* @author Chris Narkiewicz
* Copyright (C) 2011 Bartek Przybylski
* Copyright (C) 2016 ownCloud Inc.
* Copyright (C) 2019 Chris Narkiewicz <hello@ezaquarii.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.owncloud.android.ui.activity;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AuthenticatorException;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.view.View;
import com.google.android.material.snackbar.Snackbar;
import com.nextcloud.client.account.UserAccountManager;
import com.owncloud.android.MainApp;
import com.owncloud.android.R;
import com.owncloud.android.authentication.AccountUtils;
import com.owncloud.android.authentication.AuthenticatorActivity;
import com.owncloud.android.datamodel.ArbitraryDataProvider;
import com.owncloud.android.datamodel.OCFile;
import com.owncloud.android.files.services.FileDownloader;
import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
import com.owncloud.android.files.services.FileUploader;
import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
import com.owncloud.android.lib.common.OwnCloudAccount;
import com.owncloud.android.lib.common.OwnCloudClient;
import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
import com.owncloud.android.lib.common.OwnCloudCredentials;
import com.owncloud.android.lib.common.network.CertificateCombinedException;
import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
import com.owncloud.android.lib.common.operations.RemoteOperation;
import com.owncloud.android.lib.common.operations.RemoteOperationResult;
import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
import com.owncloud.android.lib.common.utils.Log_OC;
import com.owncloud.android.operations.CreateShareWithShareeOperation;
import com.owncloud.android.operations.GetSharesForFileOperation;
import com.owncloud.android.operations.SynchronizeFileOperation;
import com.owncloud.android.operations.SynchronizeFolderOperation;
import com.owncloud.android.operations.UnshareOperation;
import com.owncloud.android.operations.UpdateSharePermissionsOperation;
import com.owncloud.android.operations.UpdateShareViaLinkOperation;
import com.owncloud.android.services.OperationsService;
import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
import com.owncloud.android.ui.asynctasks.LoadingVersionNumberTask;
import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
import com.owncloud.android.ui.dialog.LoadingDialog;
import com.owncloud.android.ui.dialog.ShareLinkToDialog;
import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
import com.owncloud.android.ui.helpers.FileOperationsHelper;
import com.owncloud.android.utils.ClipboardUtil;
import com.owncloud.android.utils.DisplayUtils;
import com.owncloud.android.utils.ErrorMessageAdapter;
import com.owncloud.android.utils.FilesSyncHelper;
import com.owncloud.android.utils.ThemeUtils;
import javax.inject.Inject;
import androidx.fragment.app.DialogFragment;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
/**
* Activity with common behaviour for activities handling {@link OCFile}s in ownCloud {@link Account}s .
*/
public abstract class FileActivity extends DrawerActivity
implements OnRemoteOperationListener, ComponentsGetter, SslUntrustedCertDialog.OnSslUntrustedCertListener,
LoadingVersionNumberTask.VersionDevInterface {
public static final String EXTRA_FILE = "com.owncloud.android.ui.activity.FILE";
public static final String EXTRA_ACCOUNT = "com.owncloud.android.ui.activity.ACCOUNT";
public static final String EXTRA_FROM_NOTIFICATION = "com.owncloud.android.ui.activity.FROM_NOTIFICATION";
public static final String APP_OPENED_COUNT = "APP_OPENED_COUNT";
public static final String EXTRA_SEARCH = "com.owncloud.android.ui.activity.SEARCH";
public static final String EXTRA_SEARCH_QUERY = "com.owncloud.android.ui.activity.SEARCH_QUERY";
public static final String TAG = FileActivity.class.getSimpleName();
private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
private static final String KEY_ACTION_BAR_TITLE = "ACTION_BAR_TITLE";
public static final int REQUEST_CODE__UPDATE_CREDENTIALS = 0;
public static final int REQUEST_CODE__LAST_SHARED = REQUEST_CODE__UPDATE_CREDENTIALS;
protected static final long DELAY_TO_REQUEST_OPERATIONS_LATER = 200;
/* Dialog tags */
private static final String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
private static final String DIALOG_CERT_NOT_SAVED = "DIALOG_CERT_NOT_SAVED";
/** Main {@link OCFile} handled by the activity.*/
private OCFile mFile;
/** Flag to signal if the activity is launched by a notification */
private boolean mFromNotification;
/** Messages handler associated to the main thread and the life cycle of the activity */
private Handler mHandler;
private FileOperationsHelper mFileOperationsHelper;
private ServiceConnection mOperationsServiceConnection;
private OperationsServiceBinder mOperationsServiceBinder;
private boolean mResumed;
protected FileDownloaderBinder mDownloaderBinder;
protected FileUploaderBinder mUploaderBinder;
private ServiceConnection mDownloadServiceConnection;
private ServiceConnection mUploadServiceConnection;
@Inject
protected UserAccountManager accountManager;
@Override
public void showFiles(boolean onDeviceOnly) {
// must be specialized in subclasses
MainApp.showOnlyFilesOnDevice(onDeviceOnly);
}
/**
* Loads the ownCloud {@link Account} and main {@link OCFile} to be handled by the instance of
* the {@link FileActivity}.
*
* Grants that a valid ownCloud {@link Account} is associated to the instance, or that the user
* is requested to create a new one.
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mHandler = new Handler();
mFileOperationsHelper = new FileOperationsHelper(this, getUserAccountManager());
Account account = null;
if (savedInstanceState != null) {
mFile = savedInstanceState.getParcelable(FileActivity.EXTRA_FILE);
mFromNotification = savedInstanceState.getBoolean(FileActivity.EXTRA_FROM_NOTIFICATION);
mFileOperationsHelper.setOpIdWaitingFor(
savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID, Long.MAX_VALUE)
);
ThemeUtils.setColoredTitle(getSupportActionBar(), savedInstanceState.getString(KEY_ACTION_BAR_TITLE), this);
} else {
account = getIntent().getParcelableExtra(FileActivity.EXTRA_ACCOUNT);
mFile = getIntent().getParcelableExtra(FileActivity.EXTRA_FILE);
mFromNotification = getIntent().getBooleanExtra(FileActivity.EXTRA_FROM_NOTIFICATION,
false);
}
Thread t = new Thread(() -> {
// best place, before any access to AccountManager or database
accountManager.updateAccountVersion();
});
t.start();
setAccount(account, savedInstanceState != null);
mOperationsServiceConnection = new OperationsServiceConnection();
bindService(new Intent(this, OperationsService.class), mOperationsServiceConnection,
Context.BIND_AUTO_CREATE);
mDownloadServiceConnection = newTransferenceServiceConnection();
if (mDownloadServiceConnection != null) {
bindService(new Intent(this, FileDownloader.class), mDownloadServiceConnection,
Context.BIND_AUTO_CREATE);
}
mUploadServiceConnection = newTransferenceServiceConnection();
if (mUploadServiceConnection != null) {
bindService(new Intent(this, FileUploader.class), mUploadServiceConnection,
Context.BIND_AUTO_CREATE);
}
}
@Override
protected void onStart() {
super.onStart();
fetchExternalLinks(false);
}
@Override
protected void onResume() {
super.onResume();
mResumed = true;
if (mOperationsServiceBinder != null) {
doOnResumeAndBound();
}
}
@Override
protected void onPause() {
if (mOperationsServiceBinder != null) {
mOperationsServiceBinder.removeOperationListener(this);
}
mResumed = false;
super.onPause();
}
@Override
protected void onDestroy() {
if (mOperationsServiceConnection != null) {
unbindService(mOperationsServiceConnection);
mOperationsServiceBinder = null;
}
if (mDownloadServiceConnection != null) {
unbindService(mDownloadServiceConnection);
mDownloadServiceConnection = null;
}
if (mUploadServiceConnection != null) {
unbindService(mUploadServiceConnection);
mUploadServiceConnection = null;
}
super.onDestroy();
}
/**
* {@inheritDoc}
*/
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putParcelable(FileActivity.EXTRA_FILE, mFile);
outState.putBoolean(FileActivity.EXTRA_FROM_NOTIFICATION, mFromNotification);
outState.putLong(KEY_WAITING_FOR_OP_ID, mFileOperationsHelper.getOpIdWaitingFor());
if(getSupportActionBar() != null && getSupportActionBar().getTitle() != null) {
// Null check in case the actionbar is used in ActionBar.NAVIGATION_MODE_LIST
// since it doesn't have a title then
outState.putString(KEY_ACTION_BAR_TITLE, getSupportActionBar().getTitle().toString());
}
}
/**
* Getter for the main {@link OCFile} handled by the activity.
*
* @return Main {@link OCFile} handled by the activity.
*/
public OCFile getFile() {
return mFile;
}
/**
* Setter for the main {@link OCFile} handled by the activity.
*
* @param file Main {@link OCFile} to be handled by the activity.
*/
public void setFile(OCFile file) {
mFile = file;
}
/**
* @return Value of mFromNotification: True if the Activity is launched by a notification
*/
public boolean fromNotification() {
return mFromNotification;
}
public OperationsServiceBinder getOperationsServiceBinder() {
return mOperationsServiceBinder;
}
protected ServiceConnection newTransferenceServiceConnection() {
return null;
}
public OnRemoteOperationListener getRemoteOperationListener() {
return this;
}
public Handler getHandler() {
return mHandler;
}
public FileOperationsHelper getFileOperationsHelper() {
return mFileOperationsHelper;
}
/**
*
* @param operation Operation performed.
* @param result Result of the removal.
*/
@Override
public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
Log_OC.d(TAG, "Received result of operation in FileActivity - common behaviour for all the "
+ "FileActivities ");
mFileOperationsHelper.setOpIdWaitingFor(Long.MAX_VALUE);
dismissLoadingDialog();
if (!result.isSuccess() && (
result.getCode() == ResultCode.UNAUTHORIZED ||
(result.isException() && result.getException() instanceof AuthenticatorException)
)) {
requestCredentialsUpdate(this);
if (result.getCode() == ResultCode.UNAUTHORIZED) {
DisplayUtils.showSnackMessage(
this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources())
);
}
} else if (!result.isSuccess() && ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED.equals(result.getCode())) {
showUntrustedCertDialog(result);
} else if (operation == null ||
operation instanceof CreateShareWithShareeOperation ||
operation instanceof UnshareOperation ||
operation instanceof SynchronizeFolderOperation ||
operation instanceof UpdateShareViaLinkOperation ||
operation instanceof UpdateSharePermissionsOperation
) {
if (result.isSuccess()) {
updateFileFromDB();
} else if (result.getCode() != ResultCode.CANCELLED) {
DisplayUtils.showSnackMessage(
this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources())
);
}
} else if (operation instanceof SynchronizeFileOperation) {
onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
} else if (operation instanceof GetSharesForFileOperation) {
if (result.isSuccess() || result.getCode() == ResultCode.SHARE_NOT_FOUND) {
updateFileFromDB();
} else {
DisplayUtils.showSnackMessage(
this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources())
);
}
}
}
/**
* Invalidates the credentials stored for the current OC account and requests new credentials to the user,
* navigating to {@link AuthenticatorActivity}
*
* Equivalent to call requestCredentialsUpdate(context, null);
*
* @param context Android Context needed to access the {@link AccountManager}. Received as a parameter
* to make the method accessible to {@link android.content.BroadcastReceiver}s.
*/
protected void requestCredentialsUpdate(Context context) {
requestCredentialsUpdate(context, null);
}
/**
* Invalidates the credentials stored for the given OC account and requests new credentials to the user,
* navigating to {@link AuthenticatorActivity}
*
* @param context Android Context needed to access the {@link AccountManager}. Received as a parameter
* to make the method accessible to {@link android.content.BroadcastReceiver}s.
* @param account Stored OC account to request credentials update for. If null, current account will
* be used.
*/
protected void requestCredentialsUpdate(Context context, Account account) {
try {
/// step 1 - invalidate credentials of current account
if (account == null) {
account = getAccount();
}
OwnCloudClient client;
OwnCloudAccount ocAccount = new OwnCloudAccount(account, context);
client = OwnCloudClientManagerFactory.getDefaultSingleton().removeClientFor(ocAccount);
if (client != null) {
OwnCloudCredentials cred = client.getCredentials();
if (cred != null) {
AccountManager am = AccountManager.get(context);
if (cred.authTokenExpires()) {
am.invalidateAuthToken(
account.type,
cred.getAuthToken()
);
} else {
am.clearPassword(account);
}
}
}
/// step 2 - request credentials to user
Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, account);
updateAccountCredentials.putExtra(
AuthenticatorActivity.EXTRA_ACTION,
AuthenticatorActivity.ACTION_UPDATE_EXPIRED_TOKEN);
updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
startActivityForResult(updateAccountCredentials, REQUEST_CODE__UPDATE_CREDENTIALS);
} catch (com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException e) {
DisplayUtils.showSnackMessage(this, R.string.auth_account_does_not_exist);
}
}
/**
* Show untrusted cert dialog
*/
public void showUntrustedCertDialog(RemoteOperationResult result) {
// Show a dialog with the certificate info
FragmentManager fm = getSupportFragmentManager();
SslUntrustedCertDialog dialog = (SslUntrustedCertDialog) fm.findFragmentByTag(DIALOG_UNTRUSTED_CERT);
if(dialog == null) {
dialog = SslUntrustedCertDialog.newInstanceForFullSslError(
(CertificateCombinedException) result.getException());
FragmentTransaction ft = fm.beginTransaction();
dialog.show(ft, DIALOG_UNTRUSTED_CERT);
}
}
private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
RemoteOperationResult result) {
OCFile syncedFile = operation.getLocalFile();
if (!result.isSuccess()) {
if (result.getCode() == ResultCode.SYNC_CONFLICT) {
Intent i = new Intent(this, ConflictsResolveActivity.class);
i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
startActivity(i);
}
} else {
if (!operation.transferWasRequested()) {
DisplayUtils.showSnackMessage(this, ErrorMessageAdapter.getErrorCauseMessage(result,
operation, getResources()));
}
supportInvalidateOptionsMenu();
}
}
protected void updateFileFromDB(){
OCFile file = getFile();
if (file != null) {
file = getStorageManager().getFileByPath(file.getRemotePath());
setFile(file);
}
}
/**
* Show loading dialog
*/
public void showLoadingDialog(String message) {
// grant that only one waiting dialog is shown
dismissLoadingDialog();
// Construct dialog
Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
if (frag == null) {
Log_OC.d(TAG, "show loading dialog");
LoadingDialog loading = LoadingDialog.newInstance(message);
FragmentManager fm = getSupportFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
loading.show(ft, DIALOG_WAIT_TAG);
fm.executePendingTransactions();
}
}
/**
* Dismiss loading dialog
*/
public void dismissLoadingDialog() {
Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
if (frag != null) {
Log_OC.d(TAG, "dismiss loading dialog");
LoadingDialog loading = (LoadingDialog) frag;
loading.dismissAllowingStateLoss();
}
}
private void doOnResumeAndBound() {
mOperationsServiceBinder.addOperationListener(this, mHandler);
long waitingForOpId = mFileOperationsHelper.getOpIdWaitingFor();
if (waitingForOpId <= Integer.MAX_VALUE) {
boolean wait = mOperationsServiceBinder.dispatchResultIfFinished((int)waitingForOpId,
this);
if (!wait ) {
dismissLoadingDialog();
}
}
}
/**
* Implements callback methods for service binding. Passed as a parameter to {
*/
private class OperationsServiceConnection implements ServiceConnection {
@Override
public void onServiceConnected(ComponentName component, IBinder service) {
if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
Log_OC.d(TAG, "Operations service connected");
mOperationsServiceBinder = (OperationsServiceBinder) service;
/*if (!mOperationsServiceBinder.isPerformingBlockingOperation()) {
dismissLoadingDialog();
}*/
if (mResumed) {
doOnResumeAndBound();
}
} else {
return;
}
}
@Override
public void onServiceDisconnected(ComponentName component) {
if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
Log_OC.d(TAG, "Operations service disconnected");
mOperationsServiceBinder = null;
// TODO whatever could be waiting for the service is unbound
}
}
}
@Override
public FileDownloaderBinder getFileDownloaderBinder() {
return mDownloaderBinder;
}
@Override
public FileUploaderBinder getFileUploaderBinder() {
return mUploaderBinder;
}
@Override
public void restart() {
Intent i = new Intent(this, FileDisplayActivity.class);
i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
i.setAction(FileDisplayActivity.RESTART);
startActivity(i);
fetchExternalLinks(false);
}
protected OCFile getCurrentDir() {
OCFile file = getFile();
if (file != null) {
if (file.isFolder()) {
return file;
} else if (getStorageManager() != null) {
String parentPath = file.getParentRemotePath();
return getStorageManager().getFileByPath(parentPath);
}
}
return null;
}
/* OnSslUntrustedCertListener methods */
@Override
public void onSavedCertificate() {
// Nothing to do in this context
}
@Override
public void onFailedSavingCertificate() {
ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
R.string.ssl_validator_not_saved, new String[]{}, 0, R.string.common_ok, -1, -1
);
dialog.show(getSupportFragmentManager(), DIALOG_CERT_NOT_SAVED);
}
@Override
public void onCancelCertificate() {
// nothing to do
}
public void checkForNewDevVersionNecessary(View view, Context context) {
if (getResources().getBoolean(R.bool.dev_version_direct_download_enabled)) {
ArbitraryDataProvider arbitraryDataProvider = new ArbitraryDataProvider(getContentResolver());
int count = arbitraryDataProvider.getIntegerValue(FilesSyncHelper.GLOBAL, APP_OPENED_COUNT);
if (count > 10 || count == -1) {
checkForNewDevVersion(this, context);
}
}
}
@Override
public void returnVersion(Integer latestVersion) {
showDevSnackbar(this, latestVersion, false);
}
public static void checkForNewDevVersion(LoadingVersionNumberTask.VersionDevInterface callback, Context context) {
String url = context.getString(R.string.dev_latest);
LoadingVersionNumberTask loadTask = new LoadingVersionNumberTask(callback);
loadTask.execute(url);
}
public static void showDevSnackbar(Activity activity, Integer latestVersion, boolean openDirectly) {
Integer currentVersion = -1;
try {
currentVersion = activity.getPackageManager().getPackageInfo(activity.getPackageName(), 0).versionCode;
} catch (PackageManager.NameNotFoundException e) {
Log_OC.e(TAG, "Package not found", e);
}
if (latestVersion == -1 || currentVersion == -1) {
DisplayUtils.showSnackMessage(activity, R.string.dev_version_no_information_available, Snackbar.LENGTH_LONG);
}
if (latestVersion > currentVersion) {
if (openDirectly) {
String devApkLink = (String) activity.getText(R.string.dev_link) + latestVersion + ".apk";
Uri uriUrl = Uri.parse(devApkLink);
Intent intent = new Intent(Intent.ACTION_VIEW, uriUrl);
DisplayUtils.startIntentIfAppAvailable(intent, activity, R.string.no_browser_available);
} else {
Snackbar.make(activity.findViewById(android.R.id.content), R.string.dev_version_new_version_available,
Snackbar.LENGTH_LONG)
.setAction(activity.getString(R.string.version_dev_download), v -> {
String devApkLink = (String) activity.getText(R.string.dev_link) + latestVersion + ".apk";
Uri uriUrl = Uri.parse(devApkLink);
Intent intent = new Intent(Intent.ACTION_VIEW, uriUrl);
DisplayUtils.startIntentIfAppAvailable(intent, activity, R.string.no_browser_available);
}).show();
}
} else {
DisplayUtils.showSnackMessage(activity, R.string.dev_version_no_new_version_available, Snackbar.LENGTH_LONG);
}
}
public static void copyAndShareFileLink(FileActivity activity, String link) {
ClipboardUtil.copyToClipboard(activity, link, false);
Snackbar snackbar = Snackbar.make(activity.findViewById(android.R.id.content), R.string.clipboard_text_copied,
Snackbar.LENGTH_LONG)
.setAction(R.string.share, v -> showShareLinkDialog(activity, link));
ThemeUtils.colorSnackbar(activity, snackbar);
snackbar.show();
}
public static void showShareLinkDialog(FileActivity activity, String link) {
// Create dialog to allow the user choose an app to send the link
Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
intentToShareLink.setType("text/plain");
String username;
try {
OwnCloudAccount oca = new OwnCloudAccount(activity.getAccount(), activity);
if (oca.getDisplayName() != null && !oca.getDisplayName().isEmpty()) {
username = oca.getDisplayName();
} else {
username = com.owncloud.android.lib.common.accounts.AccountUtils
.getUsernameForAccount(activity.getAccount());
}
} catch (Exception e) {
username = com.owncloud.android.lib.common.accounts.AccountUtils
.getUsernameForAccount(activity.getAccount());
}
if (username != null) {
intentToShareLink.putExtra(Intent.EXTRA_SUBJECT,
activity.getString(R.string.subject_user_shared_with_you, username,
activity.getFile().getFileName()));
} else {
intentToShareLink.putExtra(Intent.EXTRA_SUBJECT,
activity.getString(R.string.subject_shared_with_you,
activity.getFile().getFileName()));
}
String[] packagesToExclude = new String[]{activity.getPackageName()};
DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intentToShareLink, packagesToExclude);
chooserDialog.show(activity.getSupportFragmentManager(), FileDisplayActivity.FTAG_CHOOSER_DIALOG);
}
}