Java tutorial
/* * Copyright (C) 2012-2013 Dominik Schrmann <dominik@dominikschuermann.de> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * 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 id.nci.stm_9; import org.spongycastle.openpgp.PGPPublicKeyRing; //import org.sufficientlysecure.keychain.Id; import id.nci.stm_9.PgpKeyHelper; import id.nci.stm_9.ProviderHelper; import id.nci.stm_9.KeychainContract.KeyRings; import id.nci.stm_9.KeychainContract.UserIds; import id.nci.stm_9.KeyListAdapter; import id.nci.stm_9.R; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.support.v4.content.CursorLoader; import android.support.v4.content.Loader; import android.support.v4.app.LoaderManager; import android.view.ContextMenu; import android.view.View; import android.view.ContextMenu.ContextMenuInfo; import android.widget.ExpandableListView; import android.widget.ExpandableListView.ExpandableListContextMenuInfo; public class KeyListPublicFragment extends KeyListFragment implements LoaderManager.LoaderCallbacks<Cursor> { private KeyListPublicActivity mKeyListPublicActivity; private KeyListAdapter mAdapter; /** * Define Adapter and Loader on create of Activity */ @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); mKeyListPublicActivity = (KeyListPublicActivity) getActivity(); // mAdapter = new KeyListAdapter(mKeyListPublicActivity, null, Id.type.public_key); mAdapter = new KeyListAdapter(mKeyListPublicActivity, null, 0x21070001); setListAdapter(mAdapter); // Start out with a progress indicator. setListShown(false); // Prepare the loader. Either re-connect with an existing one, // or start a new one. // id is -1 as the child cursors are numbered 0,...,n getLoaderManager().initLoader(-1, null, this); } /** * Context Menu on Long Click */ @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, v, menuInfo); // menu.add(0, Id.menu.update, 1, R.string.menu_update_key); menu.add(0, 0x21070004, 1, R.string.menu_update_key); // menu.add(0, Id.menu.signKey, 2, R.string.menu_sign_key); menu.add(0, 0x21070009, 2, R.string.menu_sign_key); // menu.add(0, Id.menu.exportToServer, 3, R.string.menu_export_key_to_server); menu.add(0, 0x21070005, 3, R.string.menu_export_key_to_server); // menu.add(0, Id.menu.share, 6, R.string.menu_share); menu.add(0, 0x21070006, 6, R.string.menu_share); // menu.add(0, Id.menu.share_qr_code, 7, R.string.menu_share_qr_code); menu.add(0, 0x21070007, 7, R.string.menu_share_qr_code); // menu.add(0, Id.menu.share_nfc, 8, R.string.menu_share_nfc); menu.add(0, 0x21070008, 8, R.string.menu_share_nfc); } @Override public boolean onContextItemSelected(android.view.MenuItem item) { ExpandableListContextMenuInfo expInfo = (ExpandableListContextMenuInfo) item.getMenuInfo(); // expInfo.id would also return row id of childs, but we always want to get the row id of // the group item, thus we are using the following way int groupPosition = ExpandableListView.getPackedPositionGroup(expInfo.packedPosition); long keyRingRowId = getExpandableListAdapter().getGroupId(groupPosition); switch (item.getItemId()) { // case Id.menu.update: case 0x21070004: long updateKeyId = 0; PGPPublicKeyRing updateKeyRing = ProviderHelper.getPGPPublicKeyRingByRowId(mKeyListActivity, keyRingRowId); if (updateKeyRing != null) { updateKeyId = PgpKeyHelper.getMasterKey(updateKeyRing).getKeyID(); } if (updateKeyId == 0) { // this shouldn't happen return true; } Intent queryIntent = new Intent(mKeyListActivity, KeyServerQueryActivity.class); queryIntent.setAction(KeyServerQueryActivity.ACTION_LOOK_UP_KEY_ID_AND_RETURN); queryIntent.putExtra(KeyServerQueryActivity.EXTRA_KEY_ID, updateKeyId); // TODO: lookup?? // startActivityForResult(queryIntent, Id.request.look_up_key_id); startActivityForResult(queryIntent, 0x00007006); return true; // case Id.menu.exportToServer: case 0x21070005: Intent uploadIntent = new Intent(mKeyListActivity, KeyServerUploadActivity.class); uploadIntent.setAction(KeyServerUploadActivity.ACTION_EXPORT_KEY_TO_SERVER); uploadIntent.putExtra(KeyServerUploadActivity.EXTRA_KEYRING_ROW_ID, (int) keyRingRowId); // startActivityForResult(uploadIntent, Id.request.export_to_server); startActivityForResult(uploadIntent, 0x00007007); return true; // case Id.menu.signKey: // long keyId = 0; // PGPPublicKeyRing signKeyRing = ProviderHelper.getPGPPublicKeyRingByRowId( // mKeyListActivity, keyRingRowId); // if (signKeyRing != null) { // keyId = PgpKeyHelper.getMasterKey(signKeyRing).getKeyID(); // } // if (keyId == 0) { // // this shouldn't happen // return true; // } // // Intent signIntent = new Intent(mKeyListActivity, SignKeyActivity.class); // signIntent.putExtra(SignKeyActivity.EXTRA_KEY_ID, keyId); // startActivity(signIntent); // // return true; // // case Id.menu.share_qr_code: // // get master key id using row id // long masterKeyId = ProviderHelper.getPublicMasterKeyId(mKeyListActivity, keyRingRowId); // // Intent qrCodeIntent = new Intent(mKeyListActivity, ShareActivity.class); // qrCodeIntent.setAction(ShareActivity.ACTION_SHARE_KEYRING_WITH_QR_CODE); // qrCodeIntent.putExtra(ShareActivity.EXTRA_MASTER_KEY_ID, masterKeyId); // startActivityForResult(qrCodeIntent, 0); // // return true; // // case Id.menu.share_nfc: // // get master key id using row id // long masterKeyId2 = ProviderHelper.getPublicMasterKeyId(mKeyListActivity, keyRingRowId); // // Intent nfcIntent = new Intent(mKeyListActivity, ShareNfcBeamActivity.class); // nfcIntent.setAction(ShareNfcBeamActivity.ACTION_SHARE_KEYRING_WITH_NFC); // nfcIntent.putExtra(ShareNfcBeamActivity.EXTRA_MASTER_KEY_ID, masterKeyId2); // startActivityForResult(nfcIntent, 0); // // return true; // // case Id.menu.share: // // get master key id using row id // long masterKeyId3 = ProviderHelper.getPublicMasterKeyId(mKeyListActivity, keyRingRowId); // // Intent shareIntent = new Intent(mKeyListActivity, ShareActivity.class); // shareIntent.setAction(ShareActivity.ACTION_SHARE_KEYRING); // shareIntent.putExtra(ShareActivity.EXTRA_MASTER_KEY_ID, masterKeyId3); // startActivityForResult(shareIntent, 0); // // return true; default: return super.onContextItemSelected(item); } } // These are the rows that we will retrieve. static final String[] PROJECTION = new String[] { KeyRings._ID, KeyRings.MASTER_KEY_ID, UserIds.USER_ID }; static final String SORT_ORDER = UserIds.USER_ID + " ASC"; @Override public Loader<Cursor> onCreateLoader(int id, Bundle args) { // This is called when a new Loader needs to be created. This // sample only has one Loader, so we don't care about the ID. Uri baseUri = KeyRings.buildPublicKeyRingsUri(); // Now create and return a CursorLoader that will take care of // creating a Cursor for the data being displayed. return new CursorLoader(getActivity(), baseUri, PROJECTION, null, null, SORT_ORDER); } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor data) { // Swap the new cursor in. (The framework will take care of closing the // old cursor once we return.) mAdapter.setGroupCursor(data); // The list should now be shown. if (isResumed()) { setListShown(true); } else { setListShownNoAnimation(true); } } @Override public void onLoaderReset(Loader<Cursor> loader) { // This is called when the last Cursor provided to onLoadFinished() // above is about to be closed. We need to make sure we are no // longer using it. mAdapter.setGroupCursor(null); } }