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:com.shenqu.jlplayer.nRFUARTv2.MainActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.rfuart_main);

    mBtAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBtAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();/*from  www  .  j  a  v a  2  s.c  o  m*/
        return;
    }

    messageListView = (ListView) findViewById(R.id.listMessage);
    listAdapter = new ArrayAdapter<String>(this, R.layout.message_detail);
    messageListView.setAdapter(listAdapter);
    messageListView.setDivider(null);

    edtMessage = (EditText) findViewById(R.id.sendText);
    btnConnectDisconnect = (Button) findViewById(R.id.btn_select);
    btnConnectDisconnect.setOnClickListener(this);
    btnSend = (Button) findViewById(R.id.sendButton);
    btnSend.setOnClickListener(this);

    /**
     * ? nRFUART service
     * */
    Intent bindIntent = new Intent(this, UartService.class);
    bindService(bindIntent, mServiceConnection, Context.BIND_AUTO_CREATE);
    LocalBroadcastManager.getInstance(this).registerReceiver(UARTStatusChangeReceiver,
            makeGattUpdateIntentFilter());
}

From source file:com.polyvi.xface.extension.bluetooth.XBluetoothExt.java

@Override
public void initialize(CordovaInterface cordova, CordovaWebView webView) {
    mCordova = cordova;/*from www.j a  v  a2  s  .c o  m*/
    try {
        mBtadapter = BluetoothAdapter.getDefaultAdapter();
    } catch (RuntimeException e) {
        XLog.e(CLASS_NAME, "init: RuntimeException");
        return;
    }
    mFoundDevices = new ArrayList<BluetoothDevice>();
    Context context = cordova.getActivity();

    IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
    context.registerReceiver(mReceiver, filter);

    filter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_STARTED);
    context.registerReceiver(mReceiver, filter);

    filter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
    context.registerReceiver(mReceiver, filter);

    filter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
    context.registerReceiver(mReceiver, filter);
}

From source file:com.sdingba.su.lanya.MainActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mBtAdapter = BluetoothAdapter.getDefaultAdapter();

    if (mBtAdapter == null) {
        //            Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        Toast.makeText(this, " Bluetooth is not available------Bluetooth ??", Toast.LENGTH_LONG)
                .show();//from   ww  w  .  j av a  2s  .  co m
        finish();
        return;
    }
    //        showMessage("??");

    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()) {
                //                      mBtAdapter.isEnabled()  == null ??
                //
                //                    showMessage("mBtAdapter.isEnabled() = "+mBtAdapter.isEnabled());
                //mBtAdapter.isEnabled()::::Return true if Bluetooth is currently enabled and ready for use.
                //Equivalent to: getBluetoothState() == STATE_ON

                Log.i(TAG, "onClick - BT not enabled yet");
                Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
            } else {
                //TODO   BUG
                //// TODO: 16-6-5  ???   ?

                //   Connect ?? listView
                showMessage(" ??" + mState + "    "
                        + "    21 = UART_PROFILE_DISCONNECTED ; 20 = connection");
                if (btnConnectDisconnect.getText().equals("Connect")) {
                    //Connect button pressed, open DeviceListActivity
                    // class, with popup windows that scan for devices
                    // showMessage(" =-=======-= ");
                    Intent newIntent = new Intent(MainActivity.this, DeviceListActivity.class);
                    startActivityForResult(newIntent, REQUEST_SELECT_DEVICE);
                } else {

                    showMessage(" ******** ");
                    //Disconnect button pressed
                    if (mDevice != null) {
                        mService.disconnect();
                    }
                }
            }
        }
    });

    //// TODO: 16-6-13 ]   ? ?

    //??
    // 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:sean.dataexchange.BluetoothChatFragment.java

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

    test = new SurveyPointHandler("TestFile.txt", this.getContext());
    System.out.println("Fragment Accessed to File");

    setHasOptionsMenu(true);/*  w  w w .j a v  a  2  s.com*/
    // Get local Bluetooth adapter
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

    // 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.android.BluetoothSerial.BluetoothSerialService.java

/**
 * Constructor. Prepares a new BluetoothChat session.
 * @param context  The UI Activity Context
 * @param handler  A Handler to send messages back to the UI Activity
 *///from   w  ww  .  j  a va2s  .c  o m
public BluetoothSerialService(Context context, Handler handler) {
    mAdapter = BluetoothAdapter.getDefaultAdapter();
    mState = STATE_NONE;
    mHandler = handler;
}

From source file:com.example.android.comunicacaoBluetooth.BluetoothChatFragment.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setHasOptionsMenu(true);// ww  w .  j a  v a2 s . co  m
    // Get local Bluetooth adapter
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

    PersistenciaTextoBinario.getInstance().criarStream();

    // If the adapter is null, then Bluetooth is not supported
    if (mBluetoothAdapter == null) {
        FragmentActivity activity = getActivity();
        Toast.makeText(activity, "O Bluetooth no est disponvel", Toast.LENGTH_LONG).show();
        activity.finish();
    }
}

From source file:com.bluetooth.comp529.bluetoothchatproj.chat.BluetoothChatFragment.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setHasOptionsMenu(true);//w  w  w . j  a  va  2s.c  om
    // Get local Bluetooth adapter
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

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

    ensureDiscoverable();

}

From source file:com.dipesan.miniatm.miniatm.services.BluetoothConnexionManager.java

@Override
public void onReceive(Context context, Intent intent) {
    switch (intent.getAction()) {
    case BluetoothAdapter.ACTION_STATE_CHANGED:
        if (BluetoothAdapter.getDefaultAdapter().isEnabled()) {
            connect();/* w w  w  .  j a  v  a 2s. com*/
        }
        break;
    }
}

From source file:com.ght.cerberus.StatusFragment.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setHasOptionsMenu(true);//from w w w.  j  av  a 2  s.  c o  m
    // Get local Bluetooth adapter
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

    // 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();
    }
    mRobot = new ImageView(getContext());
    mStateText = new TextView(getContext());
}

From source file:com.manuelmazzuola.speedtogglebluetooth.service.MonitorSpeed.java

@Override
public void onCreate() {
    DEFAULT_TITLE = this.getString(R.string.app_name);
    DEFAULT_MESSAGE = this.getString(R.string.service_is_running);
    WAITING_MESSAGE = this.getString(R.string.waiting_device);
    WAITING_TO_SLOWDOWN = this.getString(R.string.waiting_to_slowdown);
    activated = BluetoothAdapter.getDefaultAdapter().isEnabled();
    running = Boolean.FALSE;/*w  w w  . ja va  2s.  c  o  m*/
}