Example usage for android.bluetooth BluetoothAdapter getDefaultAdapter

Introduction

In this page you can find the example usage for android.bluetooth BluetoothAdapter getDefaultAdapter.

Prototype

public static synchronized BluetoothAdapter getDefaultAdapter() 

Source Link

Document

Get a handle to the default local Bluetooth adapter.

Usage

From source file:edu.uwb.css.a545.project.socialplay.BluetoothChatFragment.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setHasOptionsMenu(true);/*from  w w  w .  j av a  2s . com*/
    // Get local Bluetooth adapter
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    mServices = new ArrayList<BluetoothChatService>();
    deviceCount = 0;

    // If the adapter is null, then Bluetooth is not supported
    if (mBluetoothAdapter == null) {
        FragmentActivity activity = getActivity();
        Toast.makeText(activity, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        activity.finish();
    }
}

---

From source file:com.example.bikey.BluetoothActivity.java

/** 
 * Constructor. Prepares a new BluetoothChat session.
 * @param fragmentActivity  The UI Activity Context
 * @param handler  A Handler to send messages back to the UI Activity
 *//* w  ww  .  java 2s  .com*/
public BluetoothActivity(FragmentActivity fragmentActivity, Handler handler) {
    mAdapter = BluetoothAdapter.getDefaultAdapter();
    mState = STATE_NONE;
    mHandler = handler;
}

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From source file:com.googlecode.android_scripting.facade.bluetooth.BluetoothSocketConnFacade.java

public BluetoothSocketConnFacade(FacadeManager manager) {
    super(manager);
    mEventFacade = manager.getReceiver(EventFacade.class);
    mService = manager.getService();//from  w  w  w.  j ava  2 s. co m
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
}

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From source file:com.hwx.wheel.steeringwheel.bluetooth.ScaleActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (D)//from  w  w w .  j  a v a 2  s  .c om
        Log.e(TAG, "+++ ON CREATE +++");
    setContentView(R.layout.bluetooth_other);
    connect_state = (TextView) findViewById(R.id.connect_state);
    text_data = (TextView) findViewById(R.id.text_data);
    CONNECT_MAC = AppConfig.getInstance().getString("isEmpetConnectMac", "");
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    itemClickAdapter = new ItemClickAdapter(deviceList);
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }
    IntentFilter filter = new IntentFilter();
    filter.addAction(BluetoothDevice.ACTION_FOUND);
    filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
    LocalBroadcastManager.getInstance(Application.getContext()).registerReceiver(mReceiver, filter);
    new CommandReceiver() {
        @Override
        public void onDataReceived(byte[] buffer, byte function, byte safeCod) {
        }

        @Override
        public void onFail() {
            connect_state.setText("fail connect");
            builder.setLength(0);
            connect_state.postDelayed(() -> startOpen(), 3000);
            startOpen();
        }

        @Override
        public void onLost() {
            connect_state.setText("lost connect");
            builder.setLength(0);
            connect_state.postDelayed(() -> startOpen(), 3000);
        }

        @Override
        public void onDeviceInfo(String name, String address) {
            connect_state.append("\t" + name);
        }

        @Override
        public void onStadeTag(int stade) {
            switch (stade) {
            case 0:
                connect_state.setText("we're doing nothing");
                break;
            case 1:
                connect_state.setText("now listening for incoming connections");
                break;
            case 2:
                connect_state.setText("now initiating an outgoing connection");
                break;
            case 3:
                connect_state.setText("now connected to a remote " + CONNECT_NAME);
                break;
            }
        }
    }.regiest();
    getSupportFragmentManager().beginTransaction().replace(R.id.content_frame, ControlFragment.newInstance(1))
            .commit();
}

---

From source file:com.scytulip.nrfUARTbackrec.MainActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    Log.i(TAG, "onCreate");
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);//from w  w  w .  ja  v a 2s.  c  o m
    mBtAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBtAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }
    messageListView = (ListView) findViewById(R.id.listMessage);
    listAdapter = new ArrayAdapter<String>(this, R.layout.message_detail);
    messageListView.setAdapter(listAdapter);
    messageListView.setDivider(null);
    btnConnectDisconnect = (Button) findViewById(R.id.btn_select);
    btnSend = (Button) findViewById(R.id.sendButton);
    btnDwnd = (Button) findViewById(R.id.dlButton);
    edtMessage = (EditText) findViewById(R.id.sendText);
    service_init();

    mBackData = new BackRecData(getApplicationContext());

    // Handler Disconnect & Connect button
    btnConnectDisconnect.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (!mBtAdapter.isEnabled()) {
                Log.i(TAG, "onClick - BT not enabled yet");
                Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
            } else {
                if (btnConnectDisconnect.getText().equals("Connect")) {

                    //Connect button pressed, open DeviceListActivity class, with popup windows that scan for devices

                    Intent newIntent = new Intent(MainActivity.this, DeviceListActivity.class);
                    startActivityForResult(newIntent, REQUEST_SELECT_DEVICE);
                } else {
                    //Disconnect button pressed
                    if (mDevice != null) {
                        mService.disconnect();

                    }
                }
            }
        }
    });
    // Handler Send button  
    btnSend.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            EditText editText = (EditText) findViewById(R.id.sendText);
            String message = editText.getText().toString();
            byte[] value;
            try {
                //send data to service
                value = message.getBytes("UTF-8");
                mService.writeRXCharacteristic(value);
                //Update the log with time stamp
                String currentDateTimeString = DateFormat.getTimeInstance().format(new Date());
                listAdapter.add("[" + currentDateTimeString + "] TX: " + message);
                messageListView.smoothScrollToPosition(listAdapter.getCount() - 1);
                edtMessage.setText("");
            } catch (UnsupportedEncodingException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });

    // Handler Download Button
    btnDwnd.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            try {
                mService.writeRXCharacteristic("T".getBytes("UTF-8"));
            } catch (Exception e) {
                Log.i(TAG, e.toString());
            }

        }
    });

    // Set initial UI state

}

---

From source file:com.fastbootmobile.encore.app.fragments.SettingsFragment.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    getPreferenceManager().setSharedPreferencesName(SettingsKeys.PREF_SETTINGS);

    // Load the preferences from an XML resource
    addPreferencesFromResource(R.xml.settings);

    // Load Bluetooth paired devices
    final ListPreference btNameList = (ListPreference) findPreference(
            SettingsKeys.KEY_BLUETOOTH_AUTOCONNECT_NAME);
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();

    if (adapter == null) {
        // No Bluetooth adapter, remove preferences
        getPreferenceScreen().removePreference(findPreference(SettingsKeys.KEY_BLUETOOTH_AUTOCONNECT_ENABLE));
        getPreferenceScreen().removePreference(findPreference(SettingsKeys.KEY_BLUETOOTH_AUTOCONNECT_ACTION));
        getPreferenceScreen().removePreference(findPreference(SettingsKeys.KEY_BLUETOOTH_AUTOCONNECT_NAME));
        getPreferenceScreen().removePreference(findPreference("category_bluetooth"));
    } else {/* w  w w . j  av  a 2 s .com*/
        Set<BluetoothDevice> pairedDevices = adapter.getBondedDevices();
        CharSequence[] entries = new CharSequence[pairedDevices.size()];

        String currentPreferred = getPrefs().getString(SettingsKeys.KEY_BLUETOOTH_AUTOCONNECT_NAME, null);

        int i = 0;
        for (BluetoothDevice device : pairedDevices) {
            entries[i] = device.getName();
            ++i;
        }
        btNameList.setEntries(entries);
        btNameList.setEntryValues(entries);

        if (currentPreferred != null) {
            btNameList.setDefaultValue(currentPreferred);
        }
    }
}

---

From source file:com.cardiograph.view.BLEActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);//from w  w w  . ja  v  a  2s. c  om
    mBtAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBtAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }
    messageListView = (ListView) findViewById(R.id.listMessage);
    listAdapter = new ArrayAdapter<String>(this, R.layout.message_detail);
    messageListView.setAdapter(listAdapter);
    messageListView.setDivider(null);
    btnConnectDisconnect = (Button) findViewById(R.id.btn_select);
    btnSend = (Button) findViewById(R.id.sendButton);
    edtMessage = (EditText) findViewById(R.id.sendText);
    service_init();

    // Handler Disconnect & Connect button
    btnConnectDisconnect.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (!mBtAdapter.isEnabled()) {
                Log.i(TAG, "onClick - BT not enabled yet");
                Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
            } else {
                if (btnConnectDisconnect.getText().equals("Connect")) {

                    //Connect button pressed, open DeviceListActivity class, with popup windows that scan for devices

                    Intent newIntent = new Intent(BLEActivity.this, DeviceListActivity.class);
                    startActivityForResult(newIntent, REQUEST_SELECT_DEVICE);
                } else {
                    //Disconnect button pressed
                    if (mDevice != null) {
                        mService.disconnect();

                    }
                }
            }
        }
    });
    // Handler Send button  
    btnSend.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            EditText editText = (EditText) findViewById(R.id.sendText);
            String message = editText.getText().toString();
            byte[] value;
            try {
                //send data to service
                value = message.getBytes("UTF-8");
                mService.writeRXCharacteristic(value);
                //Update the log with time stamp
                String currentDateTimeString = DateFormat.getTimeInstance().format(new Date());
                listAdapter.add("[" + currentDateTimeString + "] TX: " + message);
                messageListView.smoothScrollToPosition(listAdapter.getCount() - 1);
                edtMessage.setText("");
            } catch (UnsupportedEncodingException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });

    // Set initial UI state

}

---

From source file:net.openracer.remote.DeviceListActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    Log.i(LOGTAG, "on-create");

    setContentView(R.layout.activity_device_list);
    getActionBar().setDisplayHomeAsUpEnabled(true);

    setResult(Activity.RESULT_CANCELED);

    Button scanButton = (Button) findViewById(R.id.button1);
    scanButton.setOnClickListener(new OnClickListener() {
        @Override//from w  ww  .j a  v a 2 s.  co m
        public void onClick(View v) {

            if (hasBtPerms()) {
                Log.e(LOGTAG, "pushed");
                v.setEnabled(false);
                discoveredDevices.clear();
                doDiscovery();
            }
        }
    });

    pairedDevices = new ArrayAdapter<String>(this, R.layout.btdevice_list_item);
    discoveredDevices = new ArrayAdapter<String>(this, R.layout.btdevice_list_item);

    ListView discoveredListView = (ListView) findViewById(R.id.listView2);
    discoveredListView.setAdapter(discoveredDevices);
    discoveredListView.setOnItemClickListener(deviceClickListener);

    ListView pairedListView = (ListView) findViewById(R.id.listView1);
    pairedListView.setAdapter(pairedDevices);
    pairedListView.setOnItemClickListener(deviceClickListener);

    registerReceiver(receiver, new IntentFilter(BluetoothDevice.ACTION_FOUND));
    registerReceiver(receiver, new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED));

    btAdapter = BluetoothAdapter.getDefaultAdapter();
    if (btAdapter == null) {
        Log.e(LOGTAG, "No bluetooth adapter");
    }

    if (!hasBtPerms()) {
        Button button = (Button) findViewById(R.id.button1);
        button.setText("No Bluetooth permissions");
        button.setEnabled(false);
    }

    if (btAdapter != null) {
        if (!btAdapter.isEnabled()) {
            Button button = (Button) findViewById(R.id.button1);
            button.setText("Bluetooth not enabled");
            button.setEnabled(false);
        }
        Set<BluetoothDevice> sysPairedDevices = btAdapter.getBondedDevices();
        if (sysPairedDevices.isEmpty()) {
            pairedDevices.add("No paired devices.");
        } else {
            for (BluetoothDevice pDev : sysPairedDevices) {
                pairedDevices.add(pDev.getName() + "\n" + pDev.getAddress());
            }
        }
    } else {
        Button button = (Button) findViewById(R.id.button1);
        button.setText("No Bluetooth device");
        button.setEnabled(false);
    }

}

---

From source file:com.nordicsemi.UART_UDP_PROXY.MainActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);/*from  www .  j  a v  a 2  s.co m*/
    this.m_this = this;
    mBtAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBtAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }

    messageListView = (ListView) findViewById(R.id.listMessage);
    listAdapter = new ArrayAdapter<String>(this, R.layout.message_detail);
    messageListView.setAdapter(listAdapter);
    messageListView.setDivider(null);
    btnConnectDisconnect = (Button) findViewById(R.id.btn_select);
    exitButton = (Button) findViewById(R.id.exitButton);
    exitButton.setEnabled(true);
    btnConnectDisconnect.setEnabled(true);
    mRemoteRssiVal = (TextView) findViewById(R.id.rssival);
    mRemoteRssiVal.setText("");
    service_init();

    listAdapter.clear();
    listAdapter.add("Ready...");
    messageListView.smoothScrollToPosition(0);
    listAdapter.notifyDataSetChanged();
    messageListView.invalidateViews();

    // disable the screen saver
    getWindow().addFlags(LayoutParams.FLAG_KEEP_SCREEN_ON);

    // Handler Disconnect & Connect button
    btnConnectDisconnect.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (!mBtAdapter.isEnabled()) {
                Log.i(TAG, "onClick - BT not enabled yet");
                Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
            } else {
                if (btnConnectDisconnect.getText().equals("Connect")) {

                    //Connect button pressed, open DeviceListActivity class, with popup windows that scan for devices

                    Intent newIntent = new Intent(MainActivity.this, DeviceListActivity.class);
                    startActivityForResult(newIntent, REQUEST_SELECT_DEVICE);
                } else {
                    //Disconnect button pressed
                    if (mDevice != null) {
                        // disconnect
                        mService.disconnect();

                        // clear the UI
                        listAdapter.clear();
                        listAdapter.add("Ready...");
                        messageListView.smoothScrollToPosition(0);
                        listAdapter.notifyDataSetChanged();
                        messageListView.invalidateViews();
                    }
                }
            }
        }
    });
    // Handler Send button  
    exitButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            // DA
            mService.disconnect();
            Log.d(TAG, "exiting proxy application...");
            finish();
            System.exit(0);
        }
    });

    // Set initial UI state

}

---

From source file:com.wordpress.bennthomsen.bleuart.MainActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);//from ww w .j  av  a  2 s. c om
    mBtAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBtAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }
    messageListView = (ListView) findViewById(R.id.listMessage);
    listAdapter = new ArrayAdapter<String>(this, R.layout.message_detail);
    messageListView.setAdapter(listAdapter);
    messageListView.setDivider(null);
    btnConnectDisconnect = (Button) findViewById(R.id.btn_select);
    btnSend = (Button) findViewById(R.id.sendButton);
    edtMessage = (EditText) findViewById(R.id.sendText);
    service_init();

    // Handler Disconnect & Connect button
    btnConnectDisconnect.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (!mBtAdapter.isEnabled()) {
                Log.i(TAG, "onClick - BT not enabled yet");
                Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
            } else {
                if (btnConnectDisconnect.getText().equals("Connect")) {

                    //Connect button pressed, open DeviceListActivity class, with popup windows that scan for devices

                    Intent newIntent = new Intent(MainActivity.this, DeviceListActivity.class);
                    startActivityForResult(newIntent, REQUEST_SELECT_DEVICE);
                } else {
                    //Disconnect button pressed
                    if (mDevice != null) {
                        mService.disconnect();

                    }
                }
            }
        }
    });
    // Handler Send button
    btnSend.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            EditText editText = (EditText) findViewById(R.id.sendText);
            String message = editText.getText().toString();
            byte[] value;
            try {
                //send data to service
                value = message.getBytes("UTF-8");
                mService.writeRXCharacteristic(value);
                //Update the log with time stamp
                String currentDateTimeString = DateFormat.getTimeInstance().format(new Date());
                listAdapter.add("[" + currentDateTimeString + "] TX: " + message);
                messageListView.smoothScrollToPosition(listAdapter.getCount() - 1);
                edtMessage.setText("");
            } catch (UnsupportedEncodingException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });

    // Set initial UI state

}

---

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