225 lines
8.7 KiB
Java
225 lines
8.7 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.ui;
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import android.content.Intent;
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import android.os.Bundle;
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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 org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
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import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.ui.base.BaseNfcActivity;
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import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
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import org.sufficientlysecure.keychain.util.Passphrase;
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import java.io.IOException;
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import java.util.ArrayList;
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public class CreateKeyActivity extends BaseNfcActivity {
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public static final String EXTRA_NAME = "name";
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public static final String EXTRA_EMAIL = "email";
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public static final String EXTRA_FIRST_TIME = "first_time";
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public static final String EXTRA_ADDITIONAL_EMAILS = "additional_emails";
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public static final String EXTRA_PASSPHRASE = "passphrase";
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public static final String EXTRA_USE_SMART_CARD_SETTINGS = "use_smart_card_settings";
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public static final String EXTRA_NFC_USER_ID = "nfc_user_id";
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public static final String EXTRA_NFC_AID = "nfc_aid";
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public static final String EXTRA_NFC_FINGERPRINTS = "nfc_fingerprints";
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public static final String FRAGMENT_TAG = "currentFragment";
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String mName;
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String mEmail;
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ArrayList<String> mAdditionalEmails;
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Passphrase mPassphrase;
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boolean mFirstTime;
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boolean mUseSmartCardSettings;
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Fragment mCurrentFragment;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// Check whether we're recreating a previously destroyed instance
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if (savedInstanceState != null) {
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// Restore value of members from saved state
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mName = savedInstanceState.getString(EXTRA_NAME);
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mEmail = savedInstanceState.getString(EXTRA_EMAIL);
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mAdditionalEmails = savedInstanceState.getStringArrayList(EXTRA_ADDITIONAL_EMAILS);
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mPassphrase = savedInstanceState.getParcelable(EXTRA_PASSPHRASE);
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mFirstTime = savedInstanceState.getBoolean(EXTRA_FIRST_TIME);
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mUseSmartCardSettings = savedInstanceState.getBoolean(EXTRA_USE_SMART_CARD_SETTINGS);
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mCurrentFragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG);
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} else {
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Intent intent = getIntent();
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// Initialize members with default values for a new instance
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mName = intent.getStringExtra(EXTRA_NAME);
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mEmail = intent.getStringExtra(EXTRA_EMAIL);
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mFirstTime = intent.getBooleanExtra(EXTRA_FIRST_TIME, false);
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mUseSmartCardSettings = intent.getBooleanExtra(EXTRA_USE_SMART_CARD_SETTINGS, false);
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if (intent.hasExtra(EXTRA_NFC_FINGERPRINTS)) {
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byte[] nfcFingerprints = intent.getByteArrayExtra(EXTRA_NFC_FINGERPRINTS);
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String nfcUserId = intent.getStringExtra(EXTRA_NFC_USER_ID);
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byte[] nfcAid = intent.getByteArrayExtra(EXTRA_NFC_AID);
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if (containsKeys(nfcFingerprints)) {
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Fragment frag = CreateKeyYubiKeyImportFragment.newInstance(
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nfcFingerprints, nfcAid, nfcUserId);
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loadFragment(frag, FragAction.START);
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setTitle(R.string.title_import_keys);
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} else {
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Fragment frag = CreateKeyYubiKeyBlankFragment.newInstance();
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loadFragment(frag, FragAction.START);
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}
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return;
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} else {
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// normal key creation
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CreateKeyStartFragment frag = CreateKeyStartFragment.newInstance();
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loadFragment(frag, FragAction.START);
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}
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}
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if (mFirstTime) {
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setTitle(R.string.app_name);
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mToolbar.setNavigationIcon(null);
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mToolbar.setNavigationOnClickListener(null);
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} else {
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setTitle(R.string.title_manage_my_keys);
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}
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}
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@Override
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protected void onNfcPerform() throws IOException {
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if (mCurrentFragment instanceof NfcListenerFragment) {
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((NfcListenerFragment) mCurrentFragment).onNfcPerform();
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return;
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}
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byte[] scannedFingerprints = nfcGetFingerprints();
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byte[] nfcAid = nfcGetAid();
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String userId = nfcGetUserId();
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if (containsKeys(scannedFingerprints)) {
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try {
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long masterKeyId = KeyFormattingUtils.getKeyIdFromFingerprint(scannedFingerprints);
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CachedPublicKeyRing ring = new ProviderHelper(this).getCachedPublicKeyRing(masterKeyId);
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ring.getMasterKeyId();
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Intent intent = new Intent(this, ViewKeyActivity.class);
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intent.setData(KeyRings.buildGenericKeyRingUri(masterKeyId));
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intent.putExtra(ViewKeyActivity.EXTRA_NFC_AID, nfcAid);
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intent.putExtra(ViewKeyActivity.EXTRA_NFC_USER_ID, userId);
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intent.putExtra(ViewKeyActivity.EXTRA_NFC_FINGERPRINTS, scannedFingerprints);
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startActivity(intent);
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finish();
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} catch (PgpKeyNotFoundException e) {
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Fragment frag = CreateKeyYubiKeyImportFragment.newInstance(
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scannedFingerprints, nfcAid, userId);
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loadFragment(frag, FragAction.TO_RIGHT);
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}
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} else {
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Fragment frag = CreateKeyYubiKeyBlankFragment.newInstance();
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loadFragment(frag, FragAction.TO_RIGHT);
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}
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}
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private boolean containsKeys(byte[] scannedFingerprints) {
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// If all fingerprint bytes are 0, the card contains no keys.
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boolean cardContainsKeys = false;
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for (byte b : scannedFingerprints) {
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if (b != 0) {
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cardContainsKeys = true;
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break;
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}
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}
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return cardContainsKeys;
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}
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@Override
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protected void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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outState.putString(EXTRA_NAME, mName);
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outState.putString(EXTRA_EMAIL, mEmail);
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outState.putStringArrayList(EXTRA_ADDITIONAL_EMAILS, mAdditionalEmails);
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outState.putParcelable(EXTRA_PASSPHRASE, mPassphrase);
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outState.putBoolean(EXTRA_FIRST_TIME, mFirstTime);
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outState.putBoolean(EXTRA_USE_SMART_CARD_SETTINGS, mUseSmartCardSettings);
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}
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@Override
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protected void initLayout() {
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setContentView(R.layout.create_key_activity);
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}
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public enum FragAction {
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START,
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TO_RIGHT,
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TO_LEFT
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}
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public void loadFragment(Fragment fragment, FragAction action) {
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mCurrentFragment = fragment;
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// Add the fragment to the 'fragment_container' FrameLayout
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FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
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switch (action) {
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case START:
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transaction.setCustomAnimations(0, 0);
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transaction.replace(R.id.create_key_fragment_container, fragment, FRAGMENT_TAG)
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.commit();
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break;
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case TO_LEFT:
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getSupportFragmentManager().popBackStackImmediate();
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break;
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case TO_RIGHT:
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transaction.setCustomAnimations(R.anim.frag_slide_in_from_right, R.anim.frag_slide_out_to_left,
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R.anim.frag_slide_in_from_left, R.anim.frag_slide_out_to_right);
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transaction.addToBackStack(null);
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transaction.replace(R.id.create_key_fragment_container, fragment, FRAGMENT_TAG)
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.commit();
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break;
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}
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// do it immediately!
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getSupportFragmentManager().executePendingTransactions();
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}
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interface NfcListenerFragment {
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public void onNfcPerform() throws IOException;
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}
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}
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