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:Main.java

/**
 * Check if bluetooth function enabled/*from  w  ww.j  a va2 s  .  co  m*/
 *
 * @param context the context
 * @return true if bluetooth enabled
 */
public static boolean isBluetoothEnabled(@NonNull Context context) {
    BluetoothManager bluetoothManager = (BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE);

    if (bluetoothManager == null) {
        return false;
    }

    final BluetoothAdapter bluetoothAdapter;
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
        bluetoothAdapter = bluetoothManager.getAdapter();
    } else {
        bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    }

    if (bluetoothAdapter == null) {
        return false;
    }

    return bluetoothAdapter.isEnabled();
}

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From source file:Main.java

/**
 * Check if Bluetooth is on./*  ww w .  j ava  2 s. c om*/
 *
 * @param activity the activity
 * @return true, if successful
 */
public static boolean checkBLEOn(Activity activity) {
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    return adapter.isEnabled();
}

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From source file:Main.java

public static final String[] getBondedDeviceNames() {
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    Set<BluetoothDevice> devices = adapter.getBondedDevices();
    String[] names = new String[devices.size()];

    int i = 0;/* w  ww  .jav  a 2  s  .co m*/
    for (BluetoothDevice d : devices) {
        Log.d(TAG, "Found bonded device " + d.getName());
        names[i++] = d.getName();
    }

    return names;
}

---

From source file:Main.java

public static String getLocalAddress(Context context) {
    // http://stackoverflow.com/a/33749218
    // http://stackoverflow.com/a/34494459

    String address = "";

    if (Build.VERSION.SDK_INT <= 22) {
        address = BluetoothAdapter.getDefaultAdapter().getAddress();
    } else {/* w ww  .ja  v  a 2 s  .  c  om*/
        address = android.provider.Settings.Secure.getString(context.getContentResolver(), "bluetooth_address");
    }

    return address;
}

---

From source file:Main.java

/**
 * Check if Bluetooth LE device supported on the running environment.
 *
 * @param context the context/* ww w.  j  av  a2  s.c  o m*/
 * @return true if supported
 */
public static boolean isBleSupported(@NonNull Context context) {
    try {
        if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE) == false) {
            return false;
        }

        BluetoothManager bluetoothManager = (BluetoothManager) context
                .getSystemService(Context.BLUETOOTH_SERVICE);

        final BluetoothAdapter bluetoothAdapter;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
            bluetoothAdapter = bluetoothManager.getAdapter();
        } else {
            bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        }

        if (bluetoothAdapter != null) {
            return true;
        }
    } catch (Throwable t) {
        // ignore exception
    }
    return false;
}

---

From source file:Main.java

@SuppressWarnings("MissingPermission")
public static String getBluetoothMAC(Context context) {
    String result = null;//from ww w  .  j a  va2 s . c om
    try {
        if (context.checkCallingOrSelfPermission(
                Manifest.permission.BLUETOOTH) == PackageManager.PERMISSION_GRANTED) {
            BluetoothAdapter bta = BluetoothAdapter.getDefaultAdapter();
            result = bta.getAddress();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return result;
}

---

From source file:Main.java

public static String getMACAddress() {
    if ((mBluetoothAdapter != null) && (mBluetoothAdapter.isEnabled())) {
        return BluetoothAdapter.getDefaultAdapter().getAddress();
    } else/*from   w  w w.j  a v a2 s. c  o m*/
        return "00000000";
}

---

From source file:org.chromium.chrome.browser.physicalweb.Utils.java

public static int getBluetoothEnabledStatus() {
    int statusResult = RESULT_INDETERMINATE;
    if (isBluetoothPermissionGranted()) {
        BluetoothAdapter bt = BluetoothAdapter.getDefaultAdapter();
        statusResult = (bt != null && bt.isEnabled()) ? RESULT_SUCCESS : RESULT_FAILURE;
    }//from  w ww  . j  av a2 s  . c o m
    return statusResult;
}

---

From source file:com.android.tv.settings.name.DeviceManager.java

/**
 * Sets the system device name.//from  w  w w  .  j  a  va 2 s. c om
 *
 * For now it will explicitly call the different discoverable services that haven't been ported
 * to use the Settings.Global.DEVICE_NAME entry.
 *
 * @param context A context that can access Settings.Global
 * @param name The new device name.
 */
public static void setDeviceName(Context context, String name) {
    Settings.Global.putString(context.getContentResolver(), Settings.Global.DEVICE_NAME, name);
    BluetoothAdapter.getDefaultAdapter().setName(name);
    LocalBroadcastManager.getInstance(context).sendBroadcast(new Intent(ACTION_DEVICE_NAME_UPDATE));
}

---

From source file:Main.java

public static final String getOblyDevicesID(Context mContext) {

    String m_szImei = "";
    try {//  ww w  . ja  va  2  s .c om
        TelephonyManager TelephonyMgr = null;
        TelephonyMgr = (TelephonyManager) mContext.getSystemService(Activity.TELEPHONY_SERVICE);
        m_szImei = TelephonyMgr.getDeviceId();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    String m_szDevIDShort = null;
    try {
        m_szDevIDShort = "35" + //we make this look like a valid IMEI

                Build.BOARD.length() % 10 + Build.BRAND.length() % 10 + Build.CPU_ABI.length() % 10
                + Build.DEVICE.length() % 10 + Build.DISPLAY.length() % 10 + Build.HOST.length() % 10
                + Build.ID.length() % 10 + Build.MANUFACTURER.length() % 10 + Build.MODEL.length() % 10
                + Build.PRODUCT.length() % 10 + Build.TAGS.length() % 10 + Build.TYPE.length() % 10
                + Build.USER.length() % 10; //13 digits
    } catch (Exception ex) {
        ex.printStackTrace();
    }

    String m_szAndroidID = "";
    try {
        m_szAndroidID = "";
        Settings.Secure.getString(mContext.getContentResolver(), Settings.Secure.ANDROID_ID);
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    String m_szWLANMAC = "";
    try {
        WifiManager wm = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);
        m_szWLANMAC = wm.getConnectionInfo().getMacAddress();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    String m_szBTMAC = null;
    try {
        BluetoothAdapter m_BluetoothAdapter = null; // Local Bluetooth adapter
        m_BluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        m_szBTMAC = m_BluetoothAdapter.getAddress();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    String m_szLongID = m_szImei + m_szDevIDShort + m_szAndroidID + m_szWLANMAC + m_szBTMAC;
    // compute md5
    MessageDigest m = null;
    try {
        m = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    m.update(m_szLongID.getBytes(), 0, m_szLongID.length());
    // get md5 bytes
    byte p_md5Data[] = m.digest();
    // create a hex string
    String m_szUniqueID = new String();
    for (int i = 0; i < p_md5Data.length; i++) {
        int b = (0xFF & p_md5Data[i]);
        // if it is a single digit, make sure it have 0 in front (proper padding)
        if (b <= 0xF)
            m_szUniqueID += "0";
        // add number to string
        m_szUniqueID += Integer.toHexString(b);
    } // hex string to uppercase
    m_szUniqueID = m_szUniqueID.toUpperCase();

    return m_szUniqueID;
}

---

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