Example usage for android.content Context BLUETOOTH_SERVICE

Introduction

In this page you can find the example usage for android.content Context BLUETOOTH_SERVICE.

Prototype

String BLUETOOTH_SERVICE

To view the source code for android.content Context BLUETOOTH_SERVICE.

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Document

Use with #getSystemService(String) to retrieve a android.bluetooth.BluetoothManager for using Bluetooth.

Usage

From source file:me.iasc.microduino.blueserial.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // Use this check to determine whether BLE is supported on the device.  Then you can
    // selectively disable BLE-related features.
    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
        Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
        finish();/* w  ww. j a  v  a 2 s. co m*/
    }

    // Initializes a Bluetooth adapter.  For API level 18 and above, get a reference to
    // BluetoothAdapter through BluetoothManager.
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
        finish();
        return;
    }

    ActivityCompat.requestPermissions(this,
            new String[] { Manifest.permission.BLUETOOTH, Manifest.permission.BLUETOOTH_ADMIN,
                    Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION },
            1);
}

---

From source file:com.example.android.plenty.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    ActivityCompat.requestPermissions(this,
            new String[] { Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION,
                    Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE },
            MY_PERMISSIONS_REQUEST);/*ww  w. j a va2s.  c  o  m*/

    // Use this check to determine whether BLE is supported on the device.  Then you can
    // selectively disable BLE-related features.
    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
        Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
        finish();
    }

    // Initializes a Bluetooth adapter.  For API level 18 and above, get a reference to
    // BluetoothAdapter through BluetoothManager.
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
        finish();
        return;
    }
}

---

From source file:com.example.android.bluetoothlegatt.ui.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // Use this check to determine whether BLE is supported on the device.  Then you can
    // selectively disable BLE-related features.
    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
        Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
        finish();//from w w  w. j a v  a  2 s .  c o  m
    }

    // Initializes a Bluetooth adapter.  For API level 18 and above, get a reference to
    // BluetoothAdapter through BluetoothManager.
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
        finish();
        return;
    }
}

---

From source file:com.amobletool.bluetooth.le.downexample.ui.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // ???ble ?,???
    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
        Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
        finish();/*from   w  w  w  . j  a v  a2s .  co  m*/
    }

    // ? Bluetooth adapter, ?????(APIandroid4.3)
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();
    mBluetoothLeScanner = mBluetoothAdapter.getBluetoothLeScanner();

    // ???
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
        finish();
        return;
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {// API level  23(Android 6.0) 
        //???
        if (ContextCompat.checkSelfPermission(this,
                Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            //??????
            if (ActivityCompat.shouldShowRequestPermissionRationale(this,
                    Manifest.permission.ACCESS_COARSE_LOCATION)) {
                //                    showToast("Android 6.0???????Ble");
            }
            //??
            ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.ACCESS_COARSE_LOCATION },
                    REQUEST_CODE_ACCESS_COARSE_LOCATION);
        }
    }
}

---

From source file:net.kenevans.android.bleexplorer.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    ActionBar actionBar = getActionBar();
    if (actionBar != null) {
        actionBar.setTitle(R.string.title_devices);
    }// ww  w .ja v a2 s .c  o m
    mHandler = new Handler();

    // Use this check to determine whether BLE is supported on the device.
    // Then you can
    // selectively disable BLE-related features.
    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
        Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_LONG).show();
        finish();
    }

    // Initializes a Bluetooth adapter. For API level 18 and above, get a
    // reference to BluetoothAdapter through BluetoothManager.
    mBluetoothAdapter = null;
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    if (bluetoothManager == null) {
        Toast.makeText(this, R.string.error_bluetooth_manager, Toast.LENGTH_LONG).show();
        finish();
        return;
    }
    try {
        mBluetoothAdapter = bluetoothManager.getAdapter();
    } catch (NullPointerException ex) {
        Toast.makeText(this, R.string.error_bluetooth_adapter, Toast.LENGTH_LONG).show();
    }

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        String msg = getString(R.string.bluetooth_not_supported);
        Utils.errMsg(this, msg);
        Toast.makeText(this, msg, Toast.LENGTH_LONG).show();
        finish();
    }

    // Set result CANCELED in case the user backs out
    setResult(Activity.RESULT_CANCELED);
}

---

From source file:com.example.android.bluetoothlegatt.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // Use this check to determine whether BLE is supported on the device.  Then you can
    // selectively disable BLE-related features.
    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
        Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
        finish();//www. j  a va 2  s  .c  o m
    }

    // Prompt for permissions
    if (ContextCompat.checkSelfPermission(this,
            Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
        Log.w("BleActivity", "Location access not granted!");
        ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.ACCESS_COARSE_LOCATION },
                MY_PERMISSION_RESPONSE);
    }

    // Initializes a Bluetooth adapter.  For API level 18 and above, get a reference to
    // BluetoothAdapter through BluetoothManager.
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
        finish();
        return;
    }
}

---

From source file:is.hello.buruberi.bluetooth.stacks.android.NativeBluetoothStack.java

@RequiresPermission(Manifest.permission.BLUETOOTH)
public NativeBluetoothStack(@NonNull Context applicationContext, @NonNull ErrorListener errorListener,
        @NonNull LoggerFacade logger) {//from  www  . j a va2  s . c o m
    this.applicationContext = applicationContext;
    this.errorListener = errorListener;
    this.logger = logger;

    this.bluetoothManager = (BluetoothManager) applicationContext.getSystemService(Context.BLUETOOTH_SERVICE);
    this.adapter = bluetoothManager.getAdapter();
    if (adapter != null) {
        final BroadcastReceiver powerStateReceiver = new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {
                final int newState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
                if (newState == BluetoothAdapter.STATE_ON) {
                    enabled.onNext(true);
                } else if (newState == BluetoothAdapter.STATE_OFF || newState == BluetoothAdapter.ERROR) {
                    enabled.onNext(false);
                }
            }
        };
        applicationContext.registerReceiver(powerStateReceiver,
                new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED));
        enabled.onNext(adapter.isEnabled());

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            final BroadcastReceiver pairingReceiver = new BroadcastReceiver() {
                @Override
                public void onReceive(Context context, Intent intent) {
                    final BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
                    final Intent broadcast = new Intent(ACTION_PAIRING_REQUEST);
                    broadcast.putExtra(GattPeripheral.EXTRA_NAME, device.getName());
                    broadcast.putExtra(GattPeripheral.EXTRA_ADDRESS, device.getAddress());
                    LocalBroadcastManager.getInstance(context).sendBroadcast(broadcast);
                }
            };
            applicationContext.registerReceiver(pairingReceiver,
                    new IntentFilter(BluetoothDevice.ACTION_PAIRING_REQUEST));
        }
    } else {
        logger.warn(LOG_TAG, "Host device has no bluetooth hardware!");
        enabled.onNext(false);
    }
}

---

From source file:com.megster.cordova.ble.central.BLECentralPlugin.java

@Override
public boolean execute(String action, CordovaArgs args, CallbackContext callbackContext) throws JSONException {

    LOG.d(TAG, "action = " + action);

    if (bluetoothAdapter == null) {
        Activity activity = cordova.getActivity();
        BluetoothManager bluetoothManager = (BluetoothManager) activity
                .getSystemService(Context.BLUETOOTH_SERVICE);
        bluetoothAdapter = bluetoothManager.getAdapter();
    }// w  ww .j a  va2 s  .  co  m

    boolean validAction = true;

    if (action.equals(SCAN)) {

        UUID[] serviceUUIDs = parseServiceUUIDList(args.getJSONArray(0));
        int scanSeconds = args.getInt(1);
        findLowEnergyDevices(callbackContext, serviceUUIDs, scanSeconds);

    } else if (action.equals(START_SCAN)) {

        UUID[] serviceUUIDs = parseServiceUUIDList(args.getJSONArray(0));
        findLowEnergyDevices(callbackContext, serviceUUIDs, -1);

    } else if (action.equals(STOP_SCAN)) {

        bluetoothAdapter.stopLeScan(this);
        callbackContext.success();

    } else if (action.equals(LIST)) {

        listKnownDevices(callbackContext);

    } else if (action.equals(CONNECT)) {

        String macAddress = args.getString(0);
        connect(callbackContext, macAddress);

    } else if (action.equals(DISCONNECT)) {

        String macAddress = args.getString(0);
        disconnect(callbackContext, macAddress);

    } else if (action.equals(READ)) {

        String macAddress = args.getString(0);
        UUID serviceUUID = uuidFromString(args.getString(1));
        UUID characteristicUUID = uuidFromString(args.getString(2));
        read(callbackContext, macAddress, serviceUUID, characteristicUUID);

    } else if (action.equals(WRITE)) {

        String macAddress = args.getString(0);
        UUID serviceUUID = uuidFromString(args.getString(1));
        UUID characteristicUUID = uuidFromString(args.getString(2));
        byte[] data = args.getArrayBuffer(3);
        int type = BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT;
        write(callbackContext, macAddress, serviceUUID, characteristicUUID, data, type);

    } else if (action.equals(WRITE_WITHOUT_RESPONSE)) {

        String macAddress = args.getString(0);
        UUID serviceUUID = uuidFromString(args.getString(1));
        UUID characteristicUUID = uuidFromString(args.getString(2));
        byte[] data = args.getArrayBuffer(3);
        int type = BluetoothGattCharacteristic.WRITE_TYPE_NO_RESPONSE;
        write(callbackContext, macAddress, serviceUUID, characteristicUUID, data, type);

    } else if (action.equals(START_NOTIFICATION)) {

        String macAddress = args.getString(0);
        UUID serviceUUID = uuidFromString(args.getString(1));
        UUID characteristicUUID = uuidFromString(args.getString(2));
        registerNotifyCallback(callbackContext, macAddress, serviceUUID, characteristicUUID);

    } else if (action.equals(STOP_NOTIFICATION)) {

        String macAddress = args.getString(0);
        UUID serviceUUID = uuidFromString(args.getString(1));
        UUID characteristicUUID = uuidFromString(args.getString(2));
        removeNotifyCallback(callbackContext, macAddress, serviceUUID, characteristicUUID);

    } else if (action.equals(IS_ENABLED)) {

        if (bluetoothAdapter.isEnabled()) {
            callbackContext.success();
        } else {
            callbackContext.error("Bluetooth is disabled.");
        }

    } else if (action.equals(IS_CONNECTED)) {

        String macAddress = args.getString(0);

        if (peripherals.containsKey(macAddress) && peripherals.get(macAddress).isConnected()) {
            callbackContext.success();
        } else {
            callbackContext.error("Not connected.");
        }

    } else if (action.equals(SETTINGS)) {

        Intent intent = new Intent(Settings.ACTION_BLUETOOTH_SETTINGS);
        cordova.getActivity().startActivity(intent);
        callbackContext.success();

    } else if (action.equals(ENABLE)) {

        enableBluetoothCallback = callbackContext;
        Intent intent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        cordova.startActivityForResult(this, intent, REQUEST_ENABLE_BLUETOOTH);

    } else {

        validAction = false;

    }

    return validAction;
}

---

From source file:com.robotic.goldenridge.blecontroller.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    //getSupportActionBar().setTitle(R.string.title_devices);
    // getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // Use this check to determine whether BLE is supported on the device.  Then you can
    // selectively disable BLE-related features.
    if (Utility.isLE()) {
        if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
            Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
            finish();//from  w w  w  .j ava 2  s .  c o m
        }
    }

    // Initializes a Bluetooth adapter.  For API level 18 and above, get a reference to
    // BluetoothAdapter through BluetoothManager.
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.bt_support_err, Toast.LENGTH_SHORT).show();
        finish();
        return;
    } else {
        //les = mBluetoothAdapter.getBluetoothLeScanner();
    }
}

---

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