MarcoBuster/Gadgetbridge
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Code Releases Wiki Activity

Put Bluetooth communication into a foreground service and keep socket open.

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This commit is contained in:
Andreas Shimokawa 2015-01-12 00:35:15 +01:00
parent cc2b224a71
commit 85fcdb208a
7 changed files with 210 additions and 162 deletions
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2
README.md
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@ -16,8 +16,6 @@ Known Visible Issues:
* No special notifications, EVERYTHING will be send as a Chat/SMS message
* Notifications are not properly queued, if two arrive at about the same time,
one of them will get lost
* Connection to Pebble will be reopened and closed for every message (dont know
if this saves or consumes more energy)
* Android 4.4+ only, we can only change this by implementing an
AccessibiltyService. Don't know if it is worth the hassle.
* This will open the dialog to allow capturing notifications every time the

8
app/src/main/AndroidManifest.xml
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@ -12,10 +12,10 @@
android:label="@string/app_name"
android:theme="@style/AppTheme">
<activity
android:name="nodomain.freeyourgadget.gadgetbridge.SettingsActivity"
android:name=".SettingsActivity"
android:label="@string/app_name"></activity>
<activity
android:name="nodomain.freeyourgadget.gadgetbridge.ControlCenter"
android:name=".ControlCenter"
android:label="@string/title_activity_main">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
@ -24,13 +24,15 @@
</activity>
<service
android:name="nodomain.freeyourgadget.gadgetbridge.NotificationListener"
android:name=".NotificationListener"
android:label="@string/app_name"
android:permission="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE">
<intent-filter>
<action android:name="android.service.notification.NotificationListenerService" />
</intent-filter>
</service>
<service android:name=".BluetoothCommunicationService" >
</service>
</application>
</manifest>

166
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/BluetoothCommunicationService.java Normal file
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@ -0,0 +1,166 @@
package nodomain.freeyourgadget.gadgetbridge;
import android.app.Notification;
import android.app.PendingIntent;
import android.app.Service;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.Intent;
import android.os.IBinder;
import android.os.ParcelUuid;
import android.support.v4.app.NotificationCompat;
import android.util.Log;
import android.widget.Toast;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Set;
public class BluetoothCommunicationService extends Service {
private static final String TAG = "BluetoothCommunicationService";
// TODO: put in separate static class
public static final String ACTION_STARTBLUETOOTHCOMMUNITCATIONSERVICE
= "nodomain.freeyourgadget.gadgetbride.bluetoothcommunicationservice.action.start";
public static final String ACTION_STOPBLUETOOTHCOMMUNITCATIONSERVICE
= "nodomain.freeyourgadget.gadgetbride.bluetoothcommunicationservice.action.stop";
public static final String ACTION_SENDBLUETOOTHMESSAGE
= "nodomain.freeyourgadget.gadgetbride.bluetoothcommunicationservice.action.sendbluetoothmessage";
private BluetoothAdapter mBtAdapter = null;
private String mBtDeviceAddress = null;
private BluetoothSocket mBtSocket = null;
private BtSocketIoThread mBtSocketIoThread = null;
@Override
public void onCreate() {
super.onCreate();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (intent.getAction().equals(ACTION_STARTBLUETOOTHCOMMUNITCATIONSERVICE)) {
Intent notificationIntent = new Intent(this, ControlCenter.class);
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_CLEAR_TASK);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0,
notificationIntent, 0);
Notification notification = new NotificationCompat.Builder(this)
.setContentTitle("Gadgetbridge")
.setTicker("Gadgetbridge Running")
.setContentText("Gadgetbrige Running")
.setSmallIcon(R.drawable.ic_launcher)
.setContentIntent(pendingIntent)
.setOngoing(true).build();
//Check the system status
mBtAdapter = BluetoothAdapter.getDefaultAdapter();
if (mBtAdapter == null) {
Toast.makeText(this, "Bluetooth is not supported.", Toast.LENGTH_SHORT).show();
} else if (!mBtAdapter.isEnabled()) {
Toast.makeText(this, "Bluetooth is disabled.", Toast.LENGTH_SHORT).show();
} else {
Set<BluetoothDevice> pairedDevices = mBtAdapter.getBondedDevices();
for (BluetoothDevice device : pairedDevices) {
if (device.getName().indexOf("Pebble") == 0) {
// Matching device found
mBtDeviceAddress = device.getAddress();
}
}
try {
if (mBtSocket == null || !mBtSocket.isConnected()) {
BluetoothDevice btDevice = mBtAdapter.getRemoteDevice(mBtDeviceAddress);
ParcelUuid uuids[] = btDevice.getUuids();
mBtSocket = btDevice.createRfcommSocketToServiceRecord(uuids[0].getUuid());
mBtSocket.connect();
mBtSocketIoThread = new BtSocketIoThread(mBtSocket.getInputStream(), mBtSocket.getOutputStream());
mBtSocketIoThread.start();
}
} catch (IOException e) {
e.printStackTrace();
}
startForeground(1, notification); //FIXME: don't hardcode id
}
} else if (intent.getAction().equals(ACTION_STOPBLUETOOTHCOMMUNITCATIONSERVICE)) {
try {
mBtSocketIoThread.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
try {
mBtSocket.close();
} catch (IOException e) {
e.printStackTrace();
}
mBtSocket = null;
mBtSocketIoThread = null;
stopForeground(true);
stopSelf();
} else if (intent.getAction().equals(ACTION_SENDBLUETOOTHMESSAGE)) {
String title = intent.getStringExtra("notification_title");
String content = intent.getStringExtra("notification_content");
if (mBtSocketIoThread != null) {
byte[] msg;
msg = PebbleProtocol.encodeSMS(title, content);
mBtSocketIoThread.write(msg);
}
}
return START_STICKY;
}
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
private class BtSocketIoThread extends Thread {
private final InputStream mmInStream;
private final OutputStream mmOutStream;
public BtSocketIoThread(InputStream instream, OutputStream outstream) {
mmInStream = instream;
mmOutStream = outstream;
}
public void run() {
byte[] buffer = new byte[1000]; // buffer store for the stream
int bytes; // bytes returned from read()
while (true) {
try {
byte[] ping = {0, 0, 0, 0};
// Read from the InputStream
//bytes = mmInStream.read(buffer,0,2);
//ByteBuffer buf = ByteBuffer.wrap(buffer);
//buf.order(ByteOrder.BIG_ENDIAN);
//short length = buf.getShort();
//Log.e(TAG,Integer.toString(length+4) + " as total length");
bytes = mmInStream.read(buffer);
Log.e(TAG, Integer.toString(bytes) + ": " + PebbleProtocol.decodeResponse(buffer));
write(ping);
} catch (IOException e) {
}
}
}
synchronized public void write(byte[] bytes) {
try {
mmOutStream.write(bytes);
mmOutStream.flush();
} catch (IOException e) {
}
}
}
}

167
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/ControlCenter.java
View File

@ -1,16 +1,9 @@
package nodomain.freeyourgadget.gadgetbridge;
import android.app.NotificationManager;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.SystemClock;
import android.support.v4.app.NotificationCompat;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
@ -18,77 +11,48 @@ import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Set;
import java.util.UUID;
public class ControlCenter extends ActionBarActivity {
// SPP Serial Device UUID
private static final UUID SERIAL_UUID = UUID.fromString("00001101-0000-1000-8000-00805f9b34fb");
BluetoothAdapter mBtAdapter;
String mBtDeviceAddress = null;
BluetoothSocket mBtSocket;
Button sendButton;
Button testNotificationButton;
Button startServiceButton;
EditText editTitle;
EditText editContent;
private NotificationReceiver nReceiver;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_controlcenter);
//Check the system status
mBtAdapter = BluetoothAdapter.getDefaultAdapter();
if (mBtAdapter == null) {
Toast.makeText(this, "Bluetooth is not supported.", Toast.LENGTH_SHORT).show();
finish();
return;
}
if (!mBtAdapter.isEnabled()) {
Toast.makeText(this, "Bluetooth is disabled.", Toast.LENGTH_SHORT).show();
finish();
return;
}
Set<BluetoothDevice> pairedDevices = mBtAdapter.getBondedDevices();
for (BluetoothDevice device : pairedDevices) {
if (device.getName().indexOf("Pebble") == 0) {
// Matching device found
mBtDeviceAddress = device.getAddress();
}
}
editTitle = (EditText) findViewById(R.id.editTitle);
editContent = (EditText) findViewById(R.id.editContent);
startServiceButton = (Button) findViewById(R.id.startServiceButton);
startServiceButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent startIntent = new Intent(ControlCenter.this, BluetoothCommunicationService.class);
startIntent.setAction(BluetoothCommunicationService.ACTION_STARTBLUETOOTHCOMMUNITCATIONSERVICE);
startService(startIntent);
}
});
sendButton = (Button) findViewById(R.id.sendButton);
sendButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (!mBtAdapter.isEnabled() || mBtDeviceAddress == null)
return;
String title = editTitle.getText().toString();
String content = editContent.getText().toString();
try {
if (mBtSocket == null || !mBtSocket.isConnected()) {
BluetoothDevice btDevice = mBtAdapter.getRemoteDevice(mBtDeviceAddress);
mBtSocket = btDevice.createRfcommSocketToServiceRecord(SERIAL_UUID);
mBtSocket.connect();
}
ConnectedTask task = new ConnectedTask();
task.execute(mBtSocket, title, content);
} catch (IOException e) {
e.printStackTrace();
}
Intent startIntent = new Intent(ControlCenter.this, BluetoothCommunicationService.class);
startIntent.setAction(BluetoothCommunicationService.ACTION_SENDBLUETOOTHMESSAGE);
startIntent.putExtra("notification_title", editTitle.getText().toString());
startIntent.putExtra("notification_content", editTitle.getText().toString());
startService(startIntent);
}
});
testNotificationButton = (Button) findViewById(R.id.testNotificationButton);
testNotificationButton.setOnClickListener(new View.OnClickListener() {
@Override
@ -100,11 +64,9 @@ public class ControlCenter extends ActionBarActivity {
Intent enableIntent = new Intent("android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS");
startActivity(enableIntent);
nReceiver = new NotificationReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction("nodomain.freeyourgadget.gadgetbridge.NOTIFICATION_LISTENER");
registerReceiver(nReceiver, filter);
}
private void testNotification() {
@ -112,7 +74,7 @@ public class ControlCenter extends ActionBarActivity {
NotificationCompat.Builder ncomp = new NotificationCompat.Builder(this);
ncomp.setContentTitle("Test Notification");
ncomp.setContentText("This is a Test Notification from Gadgetbridge");
ncomp.setTicker("This is a Test Notificytion from Gadgetbridge");
ncomp.setTicker("This is a Test Notification from Gadgetbridge");
ncomp.setSmallIcon(R.drawable.ic_launcher);
ncomp.setAutoCancel(true);
nManager.notify((int) System.currentTimeMillis(), ncomp.build());
@ -141,99 +103,4 @@ public class ControlCenter extends ActionBarActivity {
return super.onOptionsItemSelected(item);
}
@Override
public void onDestroy() {
super.onDestroy();
try {
if (mBtSocket != null) {
mBtSocket.close();
}
} catch (IOException e) {
e.printStackTrace();
}
if (nReceiver != null) {
unregisterReceiver(nReceiver);
}
}
//AsyncTask to receive a single line of data and post
private class ConnectedTask extends
AsyncTask<Object, Void, String> {
@Override
protected String doInBackground(
Object... params) {
InputStream in = null;
OutputStream out = null;
BluetoothSocket socket = (BluetoothSocket) params[0];
String title = (String) params[1];
String content = (String) params[2];
try {
byte[] buffer = new byte[1024];
String result;
in = socket.getInputStream();
//in.read(buffer);
//result = PebbleProtocol.decodeResponse(buffer);
out = socket.getOutputStream();
byte[] msg;
msg = PebbleProtocol.encodeSMS(title, content);
//msg = PebbleProtocol.encodeSetTime();
//msg = PebbleProtocol.encodeIncomingCall("03012323", title);
//msg = PebbleProtocol.encodeEmail(title, "subject", content);
out.write(msg);
SystemClock.sleep(500);
//in.read(buffer);
//result = PebbleProtocol.decodeResponse(buffer);
result = "ok";
//Close the connection
return result.trim();
} catch (Exception exc) {
return "error";
}
}
@Override
protected void onPostExecute(String result) {
Toast.makeText(ControlCenter.this, result,
Toast.LENGTH_SHORT).show();
try {
mBtSocket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
class NotificationReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (!mBtAdapter.isEnabled() || mBtDeviceAddress == null)
return;
String title = intent.getStringExtra("notification_title");
String content = intent.getStringExtra("notification_content");
try {
if (mBtSocket == null || !mBtSocket.isConnected()) {
BluetoothDevice btDevice = mBtAdapter.getRemoteDevice(mBtDeviceAddress);
mBtSocket = btDevice.createRfcommSocketToServiceRecord(SERIAL_UUID);
mBtSocket.connect();
}
ConnectedTask task = new ConnectedTask();
task.execute(mBtSocket, title, content);
} catch (IOException e) {
e.printStackTrace();
}
}
}
}

18
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/NotificationListener.java
View File

@ -22,14 +22,20 @@ public class NotificationListener extends NotificationListenerService {
@Override
public void onNotificationPosted(StatusBarNotification sbn) {
Intent i = new Intent("nodomain.freeyourgadget.gadgetbridge.NOTIFICATION_LISTENER");
Notification notification = sbn.getNotification();
Bundle extras = notification.extras;
String title = extras.getCharSequence(Notification.EXTRA_TITLE).toString();
String content = extras.getCharSequence(Notification.EXTRA_TEXT).toString();
i.putExtra("notification_title", title);
i.putExtra("notification_content", content);
sendBroadcast(i);
String title = extras.getString(Notification.EXTRA_TITLE);
String content = "";
if (extras.containsKey(Notification.EXTRA_TEXT))
content = extras.getString(Notification.EXTRA_TEXT);
if (content != null) {
Intent startIntent = new Intent(NotificationListener.this, BluetoothCommunicationService.class);
startIntent.setAction(BluetoothCommunicationService.ACTION_SENDBLUETOOTHMESSAGE);
startIntent.putExtra("notification_title", title);
startIntent.putExtra("notification_content", content);
startService(startIntent);
}
}
@Override

2
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/PebbleProtocol.java
View File

@ -126,7 +126,7 @@ public class PebbleProtocol {
default:
break;
}
String ret = Short.toString(length) + "/" + Short.toString(endpoint) + "/" + Byte.toString(extra);
String ret = "length: " + Short.toString(length) + " Endpoint:" + Short.toString(endpoint) + "/" + Byte.toString(extra);
return ret;
}

9
app/src/main/res/layout/activity_controlcenter.xml
View File

@ -51,4 +51,13 @@
android:text="Create test Notification"
android:layout_alignParentBottom="true"
android:layout_alignParentStart="true" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="start Service"
android:id="@+id/startServiceButton"
android:layout_above="@+id/sendButton"
android:layout_alignEnd="@+id/sendButton"
android:layout_alignParentStart="true" />
</RelativeLayout>