Java Code Examples for android.bluetooth.BluetoothAdapter#isDiscovering()

The following examples show how to use android.bluetooth.BluetoothAdapter#isDiscovering() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: OBConnectionManager.java From GLEXP-Team-onebillion with Apache License 2.0

6 votes

public boolean isScanningDisabled ()
{
    WifiManager wifiManager = (WifiManager) MainActivity.mainActivity.getApplicationContext().getSystemService(MainActivity.WIFI_SERVICE);
    if (wifiManager.isScanAlwaysAvailable()) return false;
    //
    BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (bluetoothAdapter.isDiscovering()) return false;
    //
    return true;
}

Example 2

Source File: P_BluetoothCrashResolver.java From AsteroidOSSync with GNU General Public License v3.0

6 votes

@Override
protected Void doInBackground(Void... params) {
    try {
        Thread.sleep(TIME_TO_LET_DISCOVERY_RUN_MILLIS);
        if (!discoveryStartConfirmed) {
            Log.w(TAG, "BluetoothAdapter.ACTION_DISCOVERY_STARTED never received.  Recovery may fail.");
        }

        final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
        if (adapter.isDiscovering()) {
            if (isDebugEnabled()) Log.d(TAG, "Cancelling discovery");
            adapter.cancelDiscovery();
        }
        else {
            if (isDebugEnabled()) Log.d(TAG, "Discovery not running.  Won't cancel it");
        }
    } catch (InterruptedException e) {
        if (isDebugEnabled()) Log.d(TAG, "DiscoveryCanceller sleep interrupted.");
    }
    return null;
}

Example 3

Source File: P_BluetoothCrashResolver.java From SweetBlue with GNU General Public License v3.0

6 votes

@Override
protected Void doInBackground(Void... params) {
    try {
        Thread.sleep(TIME_TO_LET_DISCOVERY_RUN_MILLIS);
        if (!discoveryStartConfirmed) {
            Log.w(TAG, "BluetoothAdapter.ACTION_DISCOVERY_STARTED never received.  Recovery may fail.");
        }

        final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
        if (adapter.isDiscovering()) {
            if (isDebugEnabled()) Log.d(TAG, "Cancelling discovery");
            adapter.cancelDiscovery();
        }
        else {
            if (isDebugEnabled()) Log.d(TAG, "Discovery not running.  Won't cancel it");
        }
    } catch (InterruptedException e) {
        if (isDebugEnabled()) Log.d(TAG, "DiscoveryCanceller sleep interrupted.");
    }
    return null;
}

Example 4

Source File: BluetoothCrashResolver.java From android-beacon-library with Apache License 2.0

6 votes

private void cancelDiscovery() {
    try {
        Thread.sleep(TIME_TO_LET_DISCOVERY_RUN_MILLIS);
        if (!discoveryStartConfirmed) {
            LogManager.w(TAG, "BluetoothAdapter.ACTION_DISCOVERY_STARTED never received.  Recovery may fail.");
        }

        final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
        if (adapter.isDiscovering()) {
            LogManager.d(TAG, "Cancelling discovery");
            adapter.cancelDiscovery();
        }
        else {
            LogManager.d(TAG, "Discovery not running.  Won't cancel it");
        }
    } catch (InterruptedException e) {
        LogManager.d(TAG, "DiscoveryCanceller sleep interrupted.");
    }
}

Example 5

Source File: BluetoothCrashResolver.java From android-sdk with MIT License

6 votes

@Override
protected Void doInBackground(Void... params) {
    try {
        Thread.sleep(TIME_TO_LET_DISCOVERY_RUN_MILLIS);
        if (!discoveryStartConfirmed) {
            Logger.log.verbose("BluetoothAdapter.ACTION_DISCOVERY_STARTED never received.  Recovery may fail.");
        }

        final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
        if (adapter.isDiscovering()) {
            if (isDebugEnabled()) Log.d(TAG, "Cancelling discovery");
            adapter.cancelDiscovery();
        }
        else {
            if (isDebugEnabled()) Log.d(TAG, "Discovery not running.  Won't cancel it");
        }
    } catch (InterruptedException e) {
        if (isDebugEnabled()) Log.d(TAG, "DiscoveryCanceller sleep interrupted.");
    }
    return null;
}

Example 6

Source File: BluetoothDevicePreference.java From wearmouse with Apache License 2.0

5 votes

private void stopDiscovery() {
    final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (adapter != null) {
        if (adapter.isDiscovering()) {
            adapter.cancelDiscovery();
        }
    }
}

Example 7

Source File: P_BluetoothCrashResolver.java From AsteroidOSSync with GNU General Public License v3.0

5 votes

@TargetApi(17)
private void startRecovery() {
    // The discovery operation will start by clearing out the bluetooth mac list to only the 256
    // most recently seen BLE mac addresses.
    recoveryAttemptCount++;
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (isDebugEnabled()) Log.d(TAG, "about to check if discovery is active");
    if (!adapter.isDiscovering()) {
        Log.w(TAG, "Recovery attempt started");
        recoveryInProgress = true;
        discoveryStartConfirmed = false;
        if (isDebugEnabled()) Log.d(TAG, "about to command discovery");
        if (!adapter.startDiscovery()) {
            Log.w(TAG, "Can't start discovery.  Is bluetooth turned on?");
        }
        if (isDebugEnabled()) Log.d(TAG, "startDiscovery commanded.  isDiscovering()="+adapter.isDiscovering());
        // We don't actually need to do a discovery -- we just need to kick one off so the
        // mac list will be pared back to 256.  Because discovery is an expensive operation in
        // terms of battery, we will cancel it.
        if (TIME_TO_LET_DISCOVERY_RUN_MILLIS > 0 ) {
            if (isDebugEnabled()) Log.d(TAG, "We will be cancelling this discovery in "+TIME_TO_LET_DISCOVERY_RUN_MILLIS+" milliseconds.");
            discoveryCanceller.doInBackground();
        }
        else {
            Log.d(TAG, "We will let this discovery run its course.");
        }
    }
    else {
        Log.w(TAG, "Already discovering.  Recovery attempt abandoned.");
    }

}

Example 8

Source File: P_BluetoothCrashResolver.java From SweetBlue with GNU General Public License v3.0

5 votes

@TargetApi(17)
private void startRecovery() {
    // The discovery operation will start by clearing out the bluetooth mac list to only the 256
    // most recently seen BLE mac addresses.
    recoveryAttemptCount++;
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (isDebugEnabled()) Log.d(TAG, "about to check if discovery is active");
    if (!adapter.isDiscovering()) {
        Log.w(TAG, "Recovery attempt started");
        recoveryInProgress = true;
        discoveryStartConfirmed = false;
        if (isDebugEnabled()) Log.d(TAG, "about to command discovery");
        if (!adapter.startDiscovery()) {
            Log.w(TAG, "Can't start discovery.  Is bluetooth turned on?");
        }
        if (isDebugEnabled()) Log.d(TAG, "startDiscovery commanded.  isDiscovering()="+adapter.isDiscovering());
        // We don't actually need to do a discovery -- we just need to kick one off so the
        // mac list will be pared back to 256.  Because discovery is an expensive operation in
        // terms of battery, we will cancel it.
        if (TIME_TO_LET_DISCOVERY_RUN_MILLIS > 0 ) {
            if (isDebugEnabled()) Log.d(TAG, "We will be cancelling this discovery in "+TIME_TO_LET_DISCOVERY_RUN_MILLIS+" milliseconds.");
            discoveryCanceller.doInBackground();
        }
        else {
            Log.d(TAG, "We will let this discovery run its course.");
        }
    }
    else {
        Log.w(TAG, "Already discovering.  Recovery attempt abandoned.");
    }

}

Example 9

Source File: BluetoothCrashResolver.java From android-beacon-library with Apache License 2.0

5 votes

@TargetApi(17)
private void startRecovery() {
    // The discovery operation will start by clearing out the Bluetooth mac list to only the 256
    // most recently seen BLE mac addresses.
    recoveryAttemptCount++;
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    LogManager.d(TAG, "about to check if discovery is active");
    if (!adapter.isDiscovering()) {
        LogManager.w(TAG, "Recovery attempt started");
        recoveryInProgress = true;
        discoveryStartConfirmed = false;
        LogManager.d(TAG, "about to command discovery");
        if (!adapter.startDiscovery()) {
            LogManager.w(TAG, "Can't start discovery.  Is Bluetooth turned on?");
        }
        LogManager.d(TAG, "startDiscovery commanded.  isDiscovering()=%s", adapter.isDiscovering());
        // We don't actually need to do a discovery -- we just need to kick one off so the
        // mac list will be pared back to 256.  Because discovery is an expensive operation in
        // terms of battery, we will cancel it.
        if (TIME_TO_LET_DISCOVERY_RUN_MILLIS > 0 ) {
            LogManager.d(TAG, "We will be cancelling this discovery in %s milliseconds.", TIME_TO_LET_DISCOVERY_RUN_MILLIS);
            cancelDiscovery();
        }
        else {
            LogManager.d(TAG, "We will let this discovery run its course.");
        }
    }
    else {
        LogManager.w(TAG, "Already discovering.  Recovery attempt abandoned.");
    }

}

Example 10

Source File: BluetoothCrashResolver.java From android-sdk with MIT License

5 votes

@TargetApi(17)
private void startRecovery() {
    // The discovery operation will start by clearing out the bluetooth mac list to only the 256
    // most recently seen BLE mac addresses.
    recoveryAttemptCount++;
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (isDebugEnabled()) Log.d(TAG, "about to check if discovery is active");
    if (!adapter.isDiscovering()) {
        Logger.log.verbose("Recovery attempt started");
        recoveryInProgress = true;
        discoveryStartConfirmed = false;
        if (isDebugEnabled()) Log.d(TAG, "about to command discovery");
        if (!adapter.startDiscovery()) {
            Logger.log.verbose("Can't start discovery.  Is bluetooth turned on?");
        }
        if (isDebugEnabled()) Log.d(TAG, "startDiscovery commanded.  isDiscovering()="+adapter.isDiscovering());
        // We don't actually need to do a discovery -- we just need to kick one off so the
        // mac list will be pared back to 256.  Because discovery is an expensive operation in
        // terms of battery, we will cancel it.
        if (TIME_TO_LET_DISCOVERY_RUN_MILLIS > 0 ) {
            if (isDebugEnabled()) Log.d(TAG, "We will be cancelling this discovery in "+TIME_TO_LET_DISCOVERY_RUN_MILLIS+" milliseconds.");
            discoveryCanceller.doInBackground();
        }
        else {
            Logger.log.verbose("We will let this discovery run its course.");
        }
    }
    else {
        Logger.log.verbose("Already discovering.Recovery attempt abandoned.");
    }

}

Example 11

Source File: BluetoothScanner.java From Rumble with GNU General Public License v3.0

4 votes

public void stopScanner() {
    try {
        lock.lock();
        if (scanningState.equals(ScanningState.SCANNING_OFF))
            return;

        BluetoothAdapter mBluetoothAdapter = BluetoothUtil.getBluetoothAdapter(RumbleApplication.getContext());
        if (mBluetoothAdapter != null) {
            if (mBluetoothAdapter.isEnabled() && mBluetoothAdapter.isDiscovering())
                mBluetoothAdapter.cancelDiscovery();
        }

        switch (scanningState) {
            case SCANNING_IDLE:
                break;
            case SCANNING_SCHEDULED:
                handler.removeCallbacks(scanScheduleFires);
                break;
            case SCANNING_IN_PROGRESS:
                handler.removeCallbacks(scanTimeoutFires);
                EventBus.getDefault().post(new BluetoothScanEnded());
                break;
        }
        scanningState = ScanningState.SCANNING_OFF;

        Log.d(TAG, "--- Bluetooth Scanner stopped ---");

        if (EventBus.getDefault().isRegistered(this))
            EventBus.getDefault().unregister(this);

        if (registered) {
            RumbleApplication.getContext().unregisterReceiver(mReceiver);
            registered = false;
        }

        btNeighborhood.clear();
        resetTrickleTimer();
        /*
        if((mAccelerometer != null) && sensorregistered) {
            mSensorManager.unregisterListener(this);
            sensorregistered = false;
        }
        */
    } finally {
        lock.unlock();
    }
}

Example 12

Source File: BluetoothScanner.java From Rumble with GNU General Public License v3.0

4 votes

private void performScan(boolean force) {
    try {
        lock.lock();

        switch (scanningState) {
            case SCANNING_OFF:
                return;
            case SCANNING_IN_PROGRESS:
                return;
            case SCANNING_SCHEDULED:
                if(!force)
                    return;
                else {
                    handler.removeCallbacks(scanScheduleFires);
                    scanningState = ScanningState.SCANNING_IDLE;
                }
            case SCANNING_IDLE:
                break;
        }

        /*
        if((mAccelerometer != null) && !sensorregistered) {
            mSensorManager.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_NORMAL);
            sensorregistered = true;
        }
        */
        BluetoothAdapter mBluetoothAdapter = BluetoothUtil.getBluetoothAdapter(RumbleApplication.getContext());

        if (mBluetoothAdapter == null) {
            Log.d(TAG, "Bluetooth is not supported on this platform");
            return;
        }

        if( mBluetoothAdapter.isEnabled() ){
            btNeighborhood.clear();

            /*
             * it is possible that the device is already discovering if another app
             * ran a discovery procedure
             */
            if (!mBluetoothAdapter.isDiscovering())
                mBluetoothAdapter.startDiscovery();
            scanningState = ScanningState.SCANNING_IN_PROGRESS;
            EventBus.getDefault().post(new BluetoothScanStarted());

            /*
             * we set a timeout in case the scanning discovery procedure doesn't stop by itself
             * (yes. it does happen too.)
             */
            handler.postDelayed(scanTimeoutFires, (long)SCANNING_TIMEOUT);
        }
    }
    catch (Exception e) {
        Log.d(TAG, "Exception:"+e.toString());
    } finally {
        lock.unlock();
    }
}

Example 13

Source File: BluetoothScanner.java From Rumble with GNU General Public License v3.0

4 votes

public void onEvent(ChannelConnected event) {
    if (!event.neighbour.getLinkLayerIdentifier().equals(BluetoothLinkLayerAdapter.LinkLayerIdentifier))
        return;
    try {
        lock.lock();
        openedSocket++;

        if(openedSocket == 1) {
            Log.d(TAG, "[+] entering slow scan mode ");
            betamode = true;

            switch (scanningState) {
                case SCANNING_OFF:
                    return;
                case SCANNING_IDLE:
                    /*
                     * most probably we are in between a call to performScan(false)
                     * out from scanScheduleFires(). or for some reason the scanner stopped scanning
                     */
                    break;
                case SCANNING_IN_PROGRESS:
                    Log.d(TAG, "[-] cancelling current scan");
                    handler.removeCallbacks(scanTimeoutFires);
                    BluetoothAdapter mBluetoothAdapter = BluetoothUtil.getBluetoothAdapter(RumbleApplication.getContext());
                    if (mBluetoothAdapter.isDiscovering())
                        mBluetoothAdapter.cancelDiscovery();
                    EventBus.getDefault().post(new BluetoothScanEnded());
                    break;
                case SCANNING_SCHEDULED:
                    Log.d(TAG, "[-] cancelling previous scan scheduling");
                    handler.removeCallbacks(scanScheduleFires);
                    break;
            }

            handler.postDelayed(scanScheduleFires, (long) BETA_TRICKLE_TIMER);
            Log.d(TAG, "[->] next scan in: "+BETA_TRICKLE_TIMER/1000L+" seconds");
            scanningState = ScanningState.SCANNING_SCHEDULED;
        }
    } finally {
        lock.unlock();
    }
}