Example usage for android.bluetooth BluetoothAdapter isEnabled

Introduction

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

Prototype

@RequiresPermission(Manifest.permission.BLUETOOTH)
public boolean isEnabled()

Source Link

Document

Return true if Bluetooth is currently enabled and ready for use.

Usage

From source file:Main.java

/**
 * Enable bluetooth and get the adapter object
 * @return A BluetoothAdapter instance//from ww w  .  j  av a2  s.  co  m
 */
public static BluetoothAdapter getLeAdapter(Activity _this) {
    // Initializes Bluetooth adapter.
    final BluetoothManager bluetoothLeManager = (BluetoothManager) _this
            .getSystemService(Context.BLUETOOTH_SERVICE);
    final BluetoothAdapter bluetoothLeAdapter = bluetoothLeManager.getAdapter();

    // Ensures Bluetooth is available on the device and it is enabled. If not,
    // displays a dialog requesting user permission to mEnableCharacteristic Bluetooth.
    // TODO / FIXME currently this bugs if the user doesn't have BT enabled,
    // TODO / FIXME since it just returns null and doesn't check the result later.
    if (bluetoothLeAdapter == null || !bluetoothLeAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        _this.startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
        return null;
    } else {
        return bluetoothLeAdapter;
    }
}

From source file:Main.java

public static Pair<BluetoothManager, BluetoothAdapter> checkBT(final Activity activity) {
    // Use this check to determine whether BLE is supported on the device. Then
    // you can selectively disable BLE-related features.
    if (!btleSupport(activity)) {
        return null;
    }//from w  ww . j  a  v a2  s  .  c o m
    final BluetoothManager bluetoothManager = (BluetoothManager) activity
            .getSystemService(Context.BLUETOOTH_SERVICE);
    BluetoothAdapter bluetoothAdapter = bluetoothManager.getAdapter();

    //On some devices this does not work
    try {
        bluetoothAdapter.getBluetoothLeScanner();
    } catch (NoSuchMethodError e) {
        return null;
    }

    // Ensures Bluetooth is available on the device and it is enabled. If not,
    // displays a dialog requesting user permission to enable Bluetooth.
    if (bluetoothAdapter == null || !bluetoothAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        activity.startActivityForResult(enableBtIntent, 1);
        bluetoothAdapter = bluetoothManager.getAdapter();
    }
    return new Pair<BluetoothManager, BluetoothAdapter>(bluetoothManager, bluetoothAdapter);
}

From source file:com.coinblesk.client.utils.UIUtils.java

private static boolean isBluetoothEnabled(Context context) {
    BluetoothManager bm = (BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE);
    BluetoothAdapter mBluetoothAdapter = bm.getAdapter();
    return mBluetoothAdapter != null && mBluetoothAdapter.isEnabled();
}

From source file:com.coinblesk.client.utils.UIUtils.java

private static void disableBluetooth(Activity activity) {
    BluetoothManager bm = (BluetoothManager) activity.getSystemService(Context.BLUETOOTH_SERVICE);
    BluetoothAdapter mBluetoothAdapter = bm.getAdapter();
    if (mBluetoothAdapter != null && mBluetoothAdapter.isEnabled()) {
        mBluetoothAdapter.disable();//from  www. j a  va 2s  .  c o  m
        Intent exchangeRateChanged = new Intent(Constants.EXCHANGE_RATE_CHANGED_ACTION);
        LocalBroadcastManager.getInstance(activity).sendBroadcast(exchangeRateChanged);
    }
}

From source file:cordova.plugins.Diagnostic.java

public static boolean setBluetoothState(boolean enable) {
    BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    boolean isEnabled = bluetoothAdapter.isEnabled();
    if (enable && !isEnabled) {
        return bluetoothAdapter.enable();
    } else if (!enable && isEnabled) {
        return bluetoothAdapter.disable();
    }//from  w  w  w .  j  a v  a2  s  .  co m
    return true;
}

From source file:org.bcsphere.bluetooth.tools.Tools.java

public static boolean getBluetoothState() {
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (adapter.isEnabled()) {
        return true;
    } else {//from w ww . j  a  va 2 s.  c  om
        return false;
    }
}

From source file:org.bcsphere.bluetooth.tools.Tools.java

static public boolean isOpenBluetooth() {
    BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (bluetoothAdapter.isEnabled()) {
        return true;
    } else {/*from w ww  .j a  v a  2 s  . c o  m*/
        return false;
    }
}

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

private BluetoothConnexionManager() {
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();

    if (!adapter.isEnabled()) {
        adapter.enable();
    }
}

From source file:shantanu.housemate.bluetoothchat.BluetoothActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_bluetooth_main);
    //Disable bluetooth
    BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBluetoothAdapter.isEnabled()) {
        mBluetoothAdapter.disable();//from   w  w w.ja va2  s.  com
    }
    Log.i("BLUETOOTH ACTIVITY", "STARTED");

    if (savedInstanceState == null) {
        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
        fragment = new BluetoothChatFragment();
        transaction.replace(R.id.sample_content_fragment, fragment);
        transaction.commit();
    }
}

From source file:com.djit.mixfader.sample.BaseActivity.java

/**
 * Handles permissions and features needed by the app
 *//*from ww  w .j  a va2s  .  co m*/
@Override
protected void onResume() {
    super.onResume();

    // Asks for Bluetooth activation is needed
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    final BluetoothAdapter bluetoothAdapter = bluetoothManager.getAdapter();
    if (bluetoothAdapter == null || !bluetoothAdapter.isEnabled()) {
        final Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
    }

    // Asks for permissions if needed
    final int checkCoarseLocation = ContextCompat.checkSelfPermission(this,
            "android.permission.ACCESS_COARSE_LOCATION");
    final int checkFineLocation = ContextCompat.checkSelfPermission(this,
            "android.permission.ACCESS_FINE_LOCATION");
    if (checkCoarseLocation == PackageManager.PERMISSION_DENIED
            && checkFineLocation == PackageManager.PERMISSION_DENIED) {
        ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.ACCESS_COARSE_LOCATION },
                MY_PERMISSIONS_REQUEST_COARSE_LOCATION);
    } else {
        // Ask for location service if needed
        if (needToEnableLocation(this)) {
            final Intent viewIntent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
            startActivity(viewIntent);
        }
    }
}