486 lines
20 KiB
Java
486 lines
20 KiB
Java
/*
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* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2011 Senecaso
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.sufficientlysecure.keychain.ui;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Locale;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.service.KeychainIntentService;
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import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
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import org.sufficientlysecure.keychain.ui.adapter.ImportKeysListEntry;
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import org.sufficientlysecure.keychain.ui.dialog.DeleteFileDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.FileDialogFragment;
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import org.sufficientlysecure.keychain.util.Log;
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import android.annotation.SuppressLint;
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import android.app.AlertDialog;
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import android.app.ProgressDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.net.Uri;
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import android.nfc.NdefMessage;
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import android.nfc.NfcAdapter;
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import android.os.Bundle;
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import android.os.Message;
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import android.os.Messenger;
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import android.os.Parcelable;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.FragmentTransaction;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.ArrayAdapter;
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import android.widget.Toast;
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import com.actionbarsherlock.app.ActionBar;
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import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
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import com.beardedhen.androidbootstrap.BootstrapButton;
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public class ImportKeysActivity extends DrawerActivity implements OnNavigationListener {
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public static final String ACTION_IMPORT_KEY = Constants.INTENT_PREFIX + "IMPORT_KEY";
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public static final String ACTION_IMPORT_KEY_FROM_QR_CODE = Constants.INTENT_PREFIX
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+ "IMPORT_KEY_FROM_QR_CODE";
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public static final String ACTION_IMPORT_KEY_FROM_KEYSERVER = Constants.INTENT_PREFIX
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+ "IMPORT_KEY_FROM_KEYSERVER";
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// Actions for internal use only:
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public static final String ACTION_IMPORT_KEY_FROM_FILE = Constants.INTENT_PREFIX
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+ "IMPORT_KEY_FROM_FILE";
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public static final String ACTION_IMPORT_KEY_FROM_NFC = Constants.INTENT_PREFIX
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+ "IMPORT_KEY_FROM_NFC";
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// only used by ACTION_IMPORT_KEY
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public static final String EXTRA_KEY_BYTES = "key_bytes";
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// only used by ACTION_IMPORT_KEY_FROM_KEYSERVER
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public static final String EXTRA_QUERY = "query";
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public static final String FINGERPRINT_SCHEME = "openpgp4fpr";
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protected boolean mDeleteAfterImport = false;
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// view
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private ImportKeysListFragment mListFragment;
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private String[] mNavigationStrings;
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private Fragment mCurrentFragment;
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private BootstrapButton mImportButton;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.import_keys_activity);
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mImportButton = (BootstrapButton) findViewById(R.id.import_import);
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mImportButton.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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importKeys();
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}
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});
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getSupportActionBar().setDisplayShowTitleEnabled(false);
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setupDrawerNavigation(savedInstanceState);
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// set drop down navigation
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mNavigationStrings = getResources().getStringArray(R.array.import_action_list);
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Context context = getSupportActionBar().getThemedContext();
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ArrayAdapter<CharSequence> list = ArrayAdapter.createFromResource(context,
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R.array.import_action_list, R.layout.sherlock_spinner_item);
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list.setDropDownViewResource(R.layout.sherlock_spinner_dropdown_item);
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getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
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getSupportActionBar().setListNavigationCallbacks(list, this);
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handleActions(savedInstanceState, getIntent());
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}
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protected void handleActions(Bundle savedInstanceState, Intent intent) {
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String action = intent.getAction();
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Bundle extras = intent.getExtras();
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Uri dataUri = intent.getData();
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String scheme = intent.getScheme();
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if (extras == null) {
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extras = new Bundle();
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}
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/**
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* Android Standard Actions
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*/
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if (Intent.ACTION_VIEW.equals(action)) {
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// Android's Action when opening file associated to Keychain (see AndroidManifest.xml)
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// override action to delegate it to Keychain's ACTION_IMPORT_KEY
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action = ACTION_IMPORT_KEY;
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}
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/**
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* Scanning a fingerprint directly with Barcode Scanner
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*/
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if (scheme != null && scheme.toLowerCase(Locale.ENGLISH).equals(FINGERPRINT_SCHEME)) {
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getSupportActionBar().setSelectedNavigationItem(0);
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loadFragment(ImportKeysQrCodeFragment.class, null, mNavigationStrings[0]);
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loadFromFingerprintUri(dataUri);
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}
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/**
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* Keychain's own Actions
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*/
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if (ACTION_IMPORT_KEY.equals(action)) {
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if ("file".equals(intent.getScheme()) && intent.getDataString() != null) {
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String importFilename = intent.getData().getPath();
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// display selected filename
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getSupportActionBar().setSelectedNavigationItem(1);
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Bundle args = new Bundle();
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args.putString(ImportKeysFileFragment.ARG_PATH, importFilename);
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loadFragment(ImportKeysFileFragment.class, args, mNavigationStrings[1]);
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// directly load data
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startListFragment(savedInstanceState, null, importFilename);
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} else if (extras.containsKey(EXTRA_KEY_BYTES)) {
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byte[] importData = intent.getByteArrayExtra(EXTRA_KEY_BYTES);
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// directly load data
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startListFragment(savedInstanceState, importData, null);
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}
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} else if (ACTION_IMPORT_KEY_FROM_KEYSERVER.equals(action)) {
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if (!extras.containsKey(EXTRA_QUERY)) {
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Log.e(Constants.TAG, "IMPORT_KEY_FROM_KEYSERVER action needs to contain the 'query' extra!");
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return;
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}
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String query = extras.getString(EXTRA_QUERY);
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// TODO: implement KEYSERVER!
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} else {
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// Other actions
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startListFragment(savedInstanceState, null, null);
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if (ACTION_IMPORT_KEY_FROM_FILE.equals(action)) {
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getSupportActionBar().setSelectedNavigationItem(1);
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loadFragment(ImportKeysFileFragment.class, null, mNavigationStrings[1]);
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} else if (ACTION_IMPORT_KEY_FROM_QR_CODE.equals(action)) {
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// also exposed in AndroidManifest
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getSupportActionBar().setSelectedNavigationItem(2);
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loadFragment(ImportKeysQrCodeFragment.class, null, mNavigationStrings[2]);
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} else if (ACTION_IMPORT_KEY_FROM_NFC.equals(action)) {
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getSupportActionBar().setSelectedNavigationItem(3);
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loadFragment(ImportKeysNFCFragment.class, null, mNavigationStrings[3]);
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}
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}
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}
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private void startListFragment(Bundle savedInstanceState, byte[] bytes, String filename) {
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// Check that the activity is using the layout version with
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// the fragment_container FrameLayout
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if (findViewById(R.id.import_keys_list_container) != null) {
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// However, if we're being restored from a previous state,
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// then we don't need to do anything and should return or else
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// we could end up with overlapping fragments.
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if (savedInstanceState != null) {
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return;
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}
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// Create an instance of the fragment
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mListFragment = ImportKeysListFragment.newInstance(bytes, filename);
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// Add the fragment to the 'fragment_container' FrameLayout
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// NOTE: We use commitAllowingStateLoss() to prevent weird crashes!
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getSupportFragmentManager().beginTransaction()
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.replace(R.id.import_keys_list_container, mListFragment)
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.commitAllowingStateLoss();
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// do it immediately!
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getSupportFragmentManager().executePendingTransactions();
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}
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}
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@Override
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public boolean onNavigationItemSelected(int itemPosition, long itemId) {
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// Create new fragment from our own Fragment class
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switch (itemPosition) {
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case 0:
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loadFragment(ImportKeysServerFragment.class, null, mNavigationStrings[itemPosition]);
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break;
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case 1:
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loadFragment(ImportKeysFileFragment.class, null, mNavigationStrings[itemPosition]);
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break;
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case 2:
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loadFragment(ImportKeysQrCodeFragment.class, null, mNavigationStrings[itemPosition]);
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break;
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case 3:
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loadFragment(ImportKeysClipboardFragment.class, null, mNavigationStrings[itemPosition]);
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break;
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case 4:
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loadFragment(ImportKeysNFCFragment.class, null, mNavigationStrings[itemPosition]);
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break;
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default:
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break;
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}
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return true;
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}
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private void loadFragment(Class<?> clss, Bundle args, String tag) {
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mCurrentFragment = Fragment.instantiate(this, clss.getName(), args);
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FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
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// Replace whatever is in the fragment container with this fragment
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// and give the fragment a tag name equal to the string at the position selected
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ft.replace(R.id.import_navigation_fragment, mCurrentFragment, tag);
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// Apply changes
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ft.commit();
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}
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public void loadFromFingerprintUri(Uri dataUri) {
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String fingerprint = dataUri.toString().split(":")[1].toLowerCase(Locale.ENGLISH);
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Log.d(Constants.TAG, "fingerprint: " + fingerprint);
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if (fingerprint.length() < 16) {
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Toast.makeText(this, R.string.import_qr_code_too_short_fingerprint,
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Toast.LENGTH_LONG).show();
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return;
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}
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Intent queryIntent = new Intent(this, KeyServerQueryActivity.class);
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queryIntent.setAction(KeyServerQueryActivity.ACTION_LOOK_UP_KEY_ID);
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queryIntent.putExtra(KeyServerQueryActivity.EXTRA_FINGERPRINT, fingerprint);
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startActivity(queryIntent);
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}
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public void loadCallback(byte[] importData, String importFilename) {
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mListFragment.loadNew(importData, importFilename);
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}
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// private void importAndSignOld(final long keyId, final String expectedFingerprint) {
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// if (expectedFingerprint != null && expectedFingerprint.length() > 0) {
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//
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// Thread t = new Thread() {
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// @Override
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// public void run() {
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// try {
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// // TODO: display some sort of spinner here while the user waits
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//
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// // TODO: there should be only 1
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// HkpKeyServer server = new HkpKeyServer(mPreferences.getKeyServers()[0]);
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// String encodedKey = server.get(keyId);
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//
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// PGPKeyRing keyring = PGPHelper.decodeKeyRing(new ByteArrayInputStream(
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// encodedKey.getBytes()));
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// if (keyring != null && keyring instanceof PGPPublicKeyRing) {
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// PGPPublicKeyRing publicKeyRing = (PGPPublicKeyRing) keyring;
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//
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// // make sure the fingerprints match before we cache this thing
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// String actualFingerprint = PGPHelper.convertFingerprintToHex(publicKeyRing
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// .getPublicKey().getFingerprint());
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// if (expectedFingerprint.equals(actualFingerprint)) {
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// // store the signed key in our local cache
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// int retval = PGPMain.storeKeyRingInCache(publicKeyRing);
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// if (retval != Id.return_value.ok
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// && retval != Id.return_value.updated) {
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// status.putString(EXTRA_ERROR,
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// "Failed to store signed key in local cache");
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// } else {
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// Intent intent = new Intent(ImportFromQRCodeActivity.this,
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// SignKeyActivity.class);
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// intent.putExtra(EXTRA_KEY_ID, keyId);
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// startActivityForResult(intent, Id.request.sign_key);
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// }
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// } else {
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// status.putString(
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// EXTRA_ERROR,
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// "Scanned fingerprint does NOT match the fingerprint of the received key. You shouldnt trust this key.");
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// }
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// }
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// } catch (QueryException e) {
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// Log.e(TAG, "Failed to query KeyServer", e);
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// status.putString(EXTRA_ERROR, "Failed to query KeyServer");
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// status.putInt(Constants.extras.STATUS, Id.message.done);
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// } catch (IOException e) {
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// Log.e(TAG, "Failed to query KeyServer", e);
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// status.putString(EXTRA_ERROR, "Failed to query KeyServer");
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// status.putInt(Constants.extras.STATUS, Id.message.done);
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// }
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// }
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// };
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//
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// t.setName("KeyExchange Download Thread");
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// t.setDaemon(true);
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// t.start();
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// }
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// }
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/**
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* Import keys with mImportData
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*/
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public void importKeys() {
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if (mListFragment.getKeyBytes() != null || mListFragment.getImportFilename() != null) {
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Log.d(Constants.TAG, "importKeys started");
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// Send all information needed to service to import key in other thread
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Intent intent = new Intent(this, KeychainIntentService.class);
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intent.setAction(KeychainIntentService.ACTION_IMPORT_KEYRING);
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// fill values for this action
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Bundle data = new Bundle();
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// get selected key ids
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List<ImportKeysListEntry> listEntries = mListFragment.getData();
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ArrayList<Long> selectedKeyIds = new ArrayList<Long>();
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for (ImportKeysListEntry entry : listEntries) {
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if (entry.isSelected()) {
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selectedKeyIds.add(entry.keyId);
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}
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}
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data.putSerializable(KeychainIntentService.IMPORT_KEY_LIST, selectedKeyIds);
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if (mListFragment.getKeyBytes() != null) {
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data.putInt(KeychainIntentService.TARGET, KeychainIntentService.TARGET_BYTES);
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data.putByteArray(KeychainIntentService.IMPORT_BYTES, mListFragment.getKeyBytes());
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} else {
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data.putInt(KeychainIntentService.TARGET, KeychainIntentService.TARGET_FILE);
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data.putString(KeychainIntentService.IMPORT_FILENAME,
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mListFragment.getImportFilename());
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}
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intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
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// Message is received after importing is done in ApgService
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KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(this,
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R.string.progress_importing, ProgressDialog.STYLE_HORIZONTAL) {
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public void handleMessage(Message message) {
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// handle messages by standard ApgHandler first
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super.handleMessage(message);
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if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
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// get returned data bundle
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Bundle returnData = message.getData();
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int added = returnData.getInt(KeychainIntentService.RESULT_IMPORT_ADDED);
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int updated = returnData
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.getInt(KeychainIntentService.RESULT_IMPORT_UPDATED);
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int bad = returnData.getInt(KeychainIntentService.RESULT_IMPORT_BAD);
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String toastMessage;
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if (added > 0 && updated > 0) {
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String addedStr = getResources().getQuantityString(
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R.plurals.keys_added_and_updated_1, added, added);
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String updatedStr = getResources().getQuantityString(
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R.plurals.keys_added_and_updated_2, updated, updated);
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toastMessage = addedStr + updatedStr;
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} else if (added > 0) {
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toastMessage = getResources().getQuantityString(R.plurals.keys_added,
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added, added);
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} else if (updated > 0) {
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toastMessage = getResources().getQuantityString(R.plurals.keys_updated,
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updated, updated);
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} else {
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toastMessage = getString(R.string.no_keys_added_or_updated);
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}
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Toast.makeText(ImportKeysActivity.this, toastMessage, Toast.LENGTH_SHORT)
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.show();
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if (bad > 0) {
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AlertDialog.Builder alert = new AlertDialog.Builder(
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ImportKeysActivity.this);
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alert.setIcon(android.R.drawable.ic_dialog_alert);
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alert.setTitle(R.string.warning);
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alert.setMessage(ImportKeysActivity.this.getResources()
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.getQuantityString(R.plurals.bad_keys_encountered, bad, bad));
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alert.setPositiveButton(android.R.string.ok,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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dialog.cancel();
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}
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});
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alert.setCancelable(true);
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alert.create().show();
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} else if (mDeleteAfterImport) {
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// everything went well, so now delete, if that was turned on
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DeleteFileDialogFragment deleteFileDialog = DeleteFileDialogFragment
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.newInstance(mListFragment.getImportFilename());
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deleteFileDialog.show(getSupportFragmentManager(), "deleteDialog");
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}
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}
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};
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};
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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(saveHandler);
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intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
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// show progress dialog
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saveHandler.showProgressDialog(this);
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// start service with intent
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startService(intent);
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} else {
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Toast.makeText(this, R.string.error_nothing_import, Toast.LENGTH_LONG).show();
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}
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}
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/**
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* NFC
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*/
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@Override
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public void onResume() {
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super.onResume();
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// Check to see that the Activity started due to an Android Beam
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if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(getIntent().getAction())) {
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handleActionNdefDiscovered(getIntent());
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}
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}
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/**
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* NFC
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*/
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@Override
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public void onNewIntent(Intent intent) {
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// onResume gets called after this to handle the intent
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setIntent(intent);
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}
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/**
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* NFC: Parses the NDEF Message from the intent and prints to the TextView
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*/
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@SuppressLint("NewApi")
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void handleActionNdefDiscovered(Intent intent) {
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Parcelable[] rawMsgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
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// only one message sent during the beam
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NdefMessage msg = (NdefMessage) rawMsgs[0];
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// record 0 contains the MIME type, record 1 is the AAR, if present
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byte[] receivedKeyringBytes = msg.getRecords()[0].getPayload();
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Intent importIntent = new Intent(this, ImportKeysActivity.class);
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importIntent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY);
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importIntent.putExtra(ImportKeysActivity.EXTRA_KEY_BYTES, receivedKeyringBytes);
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handleActions(null, importIntent);
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}
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}
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