diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivityJB.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivityJB.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivityJB.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivityJB.java new file mode 100644 index 000000000..6dc0413bb --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivityJB.java @@ -0,0 +1,124 @@ +/* + * Copyright (C) 2013-2014 Dominik Schürmann <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 org.sufficientlysecure.keychain.ui; + +import android.annotation.TargetApi; +import android.nfc.NdefMessage; +import android.nfc.NdefRecord; +import android.nfc.NfcAdapter; +import android.nfc.NfcAdapter.CreateNdefMessageCallback; +import android.nfc.NfcAdapter.OnNdefPushCompleteCallback; +import android.nfc.NfcEvent; +import android.os.Build; +import android.os.Bundle; +import android.os.Handler; +import android.os.Message; +import android.widget.Toast; + +import com.devspark.appmsg.AppMsg; + +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.provider.ProviderHelper; +import org.sufficientlysecure.keychain.util.Log; + +import java.io.IOException; + +@TargetApi(Build.VERSION_CODES.JELLY_BEAN) +public class ViewKeyActivityJB extends ViewKeyActivity implements CreateNdefMessageCallback, + OnNdefPushCompleteCallback { + + private NfcAdapter mNfcAdapter; + private byte[] mSharedKeyringBytes; + private static final int NFC_SENT = 1; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + initNfc(); + } + + /** + * NFC: Initialize NFC sharing if OS and device supports it + */ + private void initNfc() { + // check if NFC Beam is supported (>= Android 4.1) + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { + // Check for available NFC Adapter + mNfcAdapter = NfcAdapter.getDefaultAdapter(this); + if (mNfcAdapter != null) { + // init nfc + // Register callback to set NDEF message + mNfcAdapter.setNdefPushMessageCallback(this, this); + // Register callback to listen for message-sent success + mNfcAdapter.setOnNdefPushCompleteCallback(this, this); + } + } + } + + /** + * NFC: Implementation for the CreateNdefMessageCallback interface + */ + @Override + public NdefMessage createNdefMessage(NfcEvent event) { + /** + * When a device receives a push with an AAR in it, the application specified in the AAR is + * guaranteed to run. The AAR overrides the tag dispatch system. You can add it back in to + * guarantee that this activity starts when receiving a beamed message. For now, this code + * uses the tag dispatch system. + */ + try { + // get public keyring as byte array + mSharedKeyringBytes = ProviderHelper.getPGPKeyRing(this, mDataUri).getEncoded(); + + NdefMessage msg = new NdefMessage(NdefRecord.createMime(Constants.NFC_MIME, + mSharedKeyringBytes), NdefRecord.createApplicationRecord(Constants.PACKAGE_NAME)); + return msg; + } catch(IOException e) { + Log.e(Constants.TAG, "Error parsing keyring", e); + return null; + } + } + + /** + * NFC: Implementation for the OnNdefPushCompleteCallback interface + */ + @Override + public void onNdefPushComplete(NfcEvent arg0) { + // A handler is needed to send messages to the activity when this + // callback occurs, because it happens from a binder thread + mNfcHandler.obtainMessage(NFC_SENT).sendToTarget(); + } + + /** + * NFC: This handler receives a message from onNdefPushComplete + */ + private final Handler mNfcHandler = new Handler() { + @Override + public void handleMessage(Message msg) { + switch (msg.what) { + case NFC_SENT: + AppMsg.makeText(ViewKeyActivityJB.this, R.string.nfc_successfull, + AppMsg.STYLE_INFO).show(); + break; + } + } + }; + +} |