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  3. android.bluetooth.BluetoothAdapter

Java 类android.bluetooth.BluetoothAdapter 实例源码

项目：iconsole-android    文件：DeviceListActivity.java    
@Override
public void onReceive(Context context, Intent intent) {
    String action = intent.getAction();

    // When discovery finds a device
    if (BluetoothDevice.ACTION_FOUND.equals(action)) {
        // Get the BluetoothDevice object from the Intent
        BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
        // If it's already paired, skip it, because it's been listed already
        if (device.getBondState() != BluetoothDevice.BOND_BONDED) {
            mNewDevicesArrayAdapter.add(device.getName() + "\n" + device.getAddress());
        }
        // When discovery is finished, change the Activity title
    } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
        setProgressBarIndeterminateVisibility(false);
        setTitle(R.string.select_device);
        if (mNewDevicesArrayAdapter.getCount() == 0) {
            String noDevices = getResources().getText(R.string.none_found).toString();
            mNewDevicesArrayAdapter.add(noDevices);
        }
    }
}
项目：react-native-blue-manager    文件：BleManager.java    
@ReactMethod
public void connect(String peripheralUUID, Callback callback) {
    Log.d(LOG_TAG, "Connect to: " + peripheralUUID );

    synchronized(peripherals) {
        Peripheral peripheral = peripherals.get(peripheralUUID);
        Log.e(LOG_TAG, "peripheral " + peripheral);
        if (peripheral == null) {
            if (peripheralUUID != null) {
                peripheralUUID = peripheralUUID.toUpperCase();
            }
            if (BluetoothAdapter.checkBluetoothAddress(peripheralUUID)) {
                BluetoothDevice device = bluetoothAdapter.getRemoteDevice(peripheralUUID);
                peripheral = new Peripheral(device, reactContext);
                peripherals.put(peripheralUUID, peripheral);
            } else {
                callback.invoke("Invalid peripheral uuid");
                return;
            }
        }
        peripheral.connect(callback, reactContext!=null?getCurrentActivity():context);
    }
}
项目：Linphone4Android    文件：BluetoothManager.java    
private boolean ensureInit() {
    if (mBluetoothAdapter == null) {
        mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    }
    if (mContext == null) {
        if (LinphoneService.isReady()) {
            mContext = LinphoneService.instance().getApplicationContext();
        } else {
            return false;
        }
    }
    if (mContext != null && mAudioManager == null) {
        mAudioManager = ((AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE));
    }
    return true;
}
项目：Cable-Android    文件：BluetoothStateManager.java    
public BluetoothStateManager(@NonNull Context context, @Nullable BluetoothStateListener listener) {
  this.context                     = context.getApplicationContext();
  this.bluetoothAdapter            = BluetoothAdapter.getDefaultAdapter();
  this.bluetoothScoReceiver        = new BluetoothScoReceiver();
  this.bluetoothConnectionReceiver = new BluetoothConnectionReceiver();
  this.listener                    = listener;

  if (this.bluetoothAdapter == null)
    return;

  requestHeadsetProxyProfile();

  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
    context.registerReceiver(bluetoothConnectionReceiver, new IntentFilter(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED));
  }

  Intent sticky = context.registerReceiver(bluetoothScoReceiver, new IntentFilter(getScoChangeIntent()));

  if (sticky != null) {
    bluetoothScoReceiver.onReceive(context, sticky);
  }

  handleBluetoothStateChange();
}
项目：BLE-PEPS    文件：BleClientMainActivity.java    
private static IntentFilter pairIntentFilter() {
        final IntentFilter intentFilter = new IntentFilter();
       /* reserved for other usages */
/*
        intentFilter.addAction(BluetoothDevice.ACTION_FOUND);
        intentFilter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
        intentFilter.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED);
        intentFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
        intentFilter.addAction(BluetoothDevice.ACTION_PAIRING_REQUEST);
        */
        intentFilter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
        intentFilter.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED);
        intentFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
        intentFilter.addAction(BluetoothDevice.ACTION_PAIRING_REQUEST);
        intentFilter.addAction("com.bluetooth.device.action.FOUND");
        intentFilter.setPriority(Integer.MAX_VALUE);

        return intentFilter;
    }
项目：CHIP-Android-SDK    文件：ConnectFragment.java    
@Override
public void onResume() {
    super.onResume();

    // Register ChipRobotFinder broadcast receiver
    this.getActivity().registerReceiver(mChipFinderBroadcastReceiver, ChipRobotFinder.getChipRobotFinderIntentFilter());

    // Ensures Bluetooth is enabled on the device.  If Bluetooth is not currently enabled,
    // fire an intent to display a dialog asking the user to grant permission to enable it.
    if (mBluetoothAdapter != null && !mBluetoothAdapter.isEnabled()) {
        if (!mBluetoothAdapter.isEnabled()) {
            try {
                Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);

            } catch (ActivityNotFoundException ex) {
            }
        }
    }

    // Start scan
    ChipRobotFinder.getInstance().clearFoundChipList();
    scanLeDevice(false);
    updateChipList();
    scanLeDevice(true);
}
项目：mobile-store    文件：SwapWorkflowActivity.java    
public void sendFDroid() {
    // If Bluetooth has not been enabled/turned on, then enabling device discoverability
    // will automatically enable Bluetooth.
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (adapter != null) {
        if (adapter.getState() != BluetoothAdapter.STATE_ON) {
            Intent discoverBt = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
            discoverBt.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 120);
            startActivityForResult(discoverBt, REQUEST_BLUETOOTH_ENABLE_FOR_SEND);
        } else {
            sendFDroidApk();
        }
    } else {
        new AlertDialog.Builder(this)
                .setTitle(R.string.bluetooth_unavailable)
                .setMessage(R.string.swap_cant_send_no_bluetooth)
                .setNegativeButton(
                        R.string.cancel,
                        new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) { }
                        }
                ).create().show();
    }
}
项目：MobileAppForPatient    文件：BluetoothHandler.java    
/**
 * connect the device to bluetooth
 *
 * @param context    the context
 * @param deviceInfo the device info
 * @param receiver   the receiver
 * @throws DeviceConnectException the device connect exception
 */
public void connectToBluetooth(Context context, DeviceInfoBean deviceInfo, IHealthCareReceiver receiver) throws DeviceConnectException {
    isDeviceFound = false;
    iHealthCareReceiver = receiver;
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBluetoothAdapter == null) {
        throw new DeviceConnectException(mContext.getString(R.string.bluetooth_settings_problem));
    }

    mContext = context;
    mDeviceInfo = deviceInfo;
    IntentFilter filter = new IntentFilter();
    filter.addAction(BluetoothDevice.ACTION_FOUND);
    filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
    filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
    filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_STARTED);
    filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
    mContext.getApplicationContext().registerReceiver(mReceiver, filter);

    if (mBluetoothAdapter.getState() != BluetoothAdapter.STATE_ON)
        throw new DeviceConnectException(mContext.getString(R.string.bluetooth_state_not_ready));

    mBluetoothAdapter.startDiscovery();
}
项目：bluetooth-chat-appliction    文件：DeviceListActivity.java    
@Override
public void onReceive(Context context, Intent intent) {
    String action = intent.getAction();

    // When discovery finds a device
    if (BluetoothDevice.ACTION_FOUND.equals(action)) {
        // Get the BluetoothDevice object from the Intent
        BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
        // If it's already paired, skip it, because it's been listed already
        if (device.getBondState() != BluetoothDevice.BOND_BONDED) {
            mNewDevicesArrayAdapter.add(device.getName() + "\n" + device.getAddress());
        }
        // When discovery is finished, change the Activity title
    } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
        setProgressBarIndeterminateVisibility(false);
        setTitle(R.string.select_device);
        if (mNewDevicesArrayAdapter.getCount() == 0) {
            String noDevices = getResources().getText(R.string.none_found).toString();
            mNewDevicesArrayAdapter.add(noDevices);
        }
    }
}
项目：siiMobilityAppKit    文件：BLECentralPlugin.java    
private void addStateListener() {
    if (this.stateReceiver == null) {
        this.stateReceiver = new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {
                onBluetoothStateChange(intent);
            }
        };
    }

    try {
        IntentFilter intentFilter = new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED);
        webView.getContext().registerReceiver(this.stateReceiver, intentFilter);
    } catch (Exception e) {
        LOG.e(TAG, "Error registering state receiver: " + e.getMessage(), e);
    }
}
项目：GravityBox    文件：BluetoothTetheringTile.java    
@Override
public void handleClick() {
    if (mBluetoothEnableForTether)
        return;

    if (isTetheringOn()) {
        setTethering(false);
    } else {
        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
        if (adapter != null) {
            if (adapter.getState() == BluetoothAdapter.STATE_OFF) {
                mBluetoothEnableForTether = true;
                adapter.enable();
            } else if (adapter.getState() == BluetoothAdapter.STATE_ON) {
                setTethering(true);
            }
        }
    }
    refreshState();
}
项目：AndroidRTC    文件：AppRTCBluetoothManager.java    
/**
 * Logs the state of the local Bluetooth adapter.
 */
protected void logBluetoothAdapterInfo(BluetoothAdapter localAdapter) {
    Log.d(TAG, "BluetoothAdapter: "
            + "enabled=" + localAdapter.isEnabled() + ", "
            + "state=" + stateToString(localAdapter.getState()) + ", "
            + "name=" + localAdapter.getName() + ", "
            + "address=" + localAdapter.getAddress());
    // Log the set of BluetoothDevice objects that are bonded (paired) to the local adapter.
    Set<BluetoothDevice> pairedDevices = localAdapter.getBondedDevices();
    if (!pairedDevices.isEmpty()) {
        Log.d(TAG, "paired devices:");
        for (BluetoothDevice device : pairedDevices) {
            Log.d(TAG, " name=" + device.getName() + ", address=" + device.getAddress());
        }
    }
}
项目：buildAPKsSamples    文件：DeviceListActivity.java    
@Override
public void onReceive(Context context, Intent intent) {
    String action = intent.getAction();

    // When discovery finds a device
    if (BluetoothDevice.ACTION_FOUND.equals(action)) {
        // Get the BluetoothDevice object from the Intent
        BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
        // If it's already paired, skip it, because it's been listed already
        if (device.getBondState() != BluetoothDevice.BOND_BONDED) {
            mNewDevicesArrayAdapter.add(device.getName() + "\n" + device.getAddress());
        }
    // When discovery is finished, change the Activity title
    } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
        setProgressBarIndeterminateVisibility(false);
        setTitle(R.string.select_device);
        if (mNewDevicesArrayAdapter.getCount() == 0) {
            String noDevices = getResources().getText(R.string.none_found).toString();
            mNewDevicesArrayAdapter.add(noDevices);
        }
    }
}
项目：SmartRC    文件：DeviceListActivity.java    
@Override
public void onReceive(Context context, Intent intent) {
    String action = intent.getAction();

    // When discovery finds a device
    if (BluetoothDevice.ACTION_FOUND.equals(action)) {
        // Get the BluetoothDevice object from the Intent
        BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
        // If it's already paired, skip it, because it's been listed already
        if (device.getBondState() != BluetoothDevice.BOND_BONDED) {
            mNewDevicesArrayAdapter.add(device.getName() + "\n" + device.getAddress());
        }
        // When discovery is finished, change the Activity title
    } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
        setProgressBarIndeterminateVisibility(false);
        setTitle(R.string.select_device);
        if (mNewDevicesArrayAdapter.getCount() == 0) {
            String noDevices = getResources().getText(R.string.none_found).toString();
            mNewDevicesArrayAdapter.add(noDevices);
        }
    }
}
项目：BluetoothKit    文件：BluetoothReceiver.java    
@Override
public void onReceive(Context context, Intent intent) {
    switch (intent.getAction()) {
        case BluetoothAdapter.ACTION_STATE_CHANGED:
            int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
            switch (state) {
                case BluetoothAdapter.STATE_TURNING_ON:// 蓝牙打开中

                    break;
                case BluetoothAdapter.STATE_ON:// 蓝牙打开完成

                    break;
                case BluetoothAdapter.STATE_TURNING_OFF:// 蓝牙关闭中

                    break;
                case BluetoothAdapter.STATE_OFF:// 蓝牙关闭完成

                    break;
                default:
                    break;
            }
        default:
            break;
    }
}
项目：buildAPKsSamples    文件：BluetoothChat.java    
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if(D) Log.e(TAG, "+++ ON CREATE +++");

    // Set up the window layout
    setContentView(R.layout.main);

    // Get local Bluetooth adapter
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

    // If the adapter is null, then Bluetooth is not supported
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }
}
项目：blefun-androidthings    文件：GattServer.java    
private void startAdvertising() {
    BluetoothAdapter bluetoothAdapter = mBluetoothManager.getAdapter();
    mBluetoothLeAdvertiser = bluetoothAdapter.getBluetoothLeAdvertiser();
    if (mBluetoothLeAdvertiser == null) {
        Log.w(TAG, "Failed to create advertiser");
        return;
    }

    AdvertiseSettings settings = new AdvertiseSettings.Builder()
            .setAdvertiseMode(AdvertiseSettings.ADVERTISE_MODE_BALANCED)
            .setConnectable(true)
            .setTimeout(0)
            .setTxPowerLevel(AdvertiseSettings.ADVERTISE_TX_POWER_MEDIUM)
            .build();

    AdvertiseData data = new AdvertiseData.Builder()
            .setIncludeDeviceName(true)
            .setIncludeTxPowerLevel(false)
            .addServiceUuid(new ParcelUuid(SERVICE_UUID))
            .build();

    mBluetoothLeAdvertiser
            .startAdvertising(settings, data, mAdvertiseCallback);
}
项目：SmartOrnament    文件：LinkDeviceFragment.java    
private boolean openBtDevice() {
        // 获得蓝牙匹配器
        mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        // 蓝牙设备不被支持
        if (mBluetoothAdapter == null) {
            Toast.makeText(getActivity(), "该设备没有蓝牙设备", Toast.LENGTH_LONG).show();
            return false;
        }

        // 蓝牙如果没打开，直接提示需要打开蓝牙
        if (!mBluetoothAdapter.isEnabled()) {
            // 隐式Intent
            Intent enableBtIntent = new Intent(
                    BluetoothAdapter.ACTION_REQUEST_ENABLE);
            startActivityForResult(enableBtIntent, REQUES_BT_ENABLE_CODE);  //在onActivityResult有打开服务端线程的操作哦
        } else {
            // 如果蓝牙在运行本程序前已经人为打开，那么直接启动服务器端线程
            Toast.makeText(getActivity(), "蓝牙已经打开！  ", Toast.LENGTH_LONG).show();
            //暂时不启动服务端线程，因为手机充当的总是客服端
//            mAcceptThread = new AcceptThread(mBluetoothAdapter,mHandler); // // // // // // // // // // // // // // // // // // // // // // // // //
//            mAcceptThread.start(); // // // // // // // // // // // // // // // //蓝牙提前打开就启动服务端线程？ // // // // // //
        }
        return true;
    }
项目：Pc-Control    文件：BluetoothDevicesActivity.java    
public void onReceive(Context context, Intent intent)
{
    String action = intent.getAction();

    if (action.equals(BluetoothDevice.ACTION_FOUND))
    {
        BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);

        if (!BluetoothDevicesActivity.this.deviceList.contains(device))
        {
            BluetoothDevicesActivity.this.deviceList.add(device);
            BluetoothDevicesActivity.this.deviceListAdapter.notifyDataSetChanged();
        }
    }
    else if (action.equals(BluetoothAdapter.ACTION_DISCOVERY_STARTED))
    {
        Toast.makeText(context, "Bluetooth discovery started", Toast.LENGTH_SHORT).show();

    }
    else if (action.equals(BluetoothAdapter.ACTION_DISCOVERY_FINISHED))
    {
        Toast.makeText(context, "Bluetooth discovery finished", Toast.LENGTH_SHORT).show();

    }
}
项目：IBeaconBroadcastDemo    文件：MainActivity.java    
private void setupBLE() {
    if (!isBLESupported(this)) {
        Toast.makeText(this, "device not support ble", Toast.LENGTH_SHORT).show();
        finish();
        return;
    }

    BluetoothManager manager = getManager(this);
    if (manager != null) {
        mBTAdapter = manager.getAdapter();
    }
    if ((mBTAdapter == null) || (!mBTAdapter.isEnabled())) {
        Toast.makeText(this, "bluetooth not open", Toast.LENGTH_SHORT).show();
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
        return;
    }
}
项目：TrainAppTFG    文件：BluetoothLeService.java    
public void onReceive(Context context, Intent intent) {
    String action = intent.getAction();
    if (BluetoothAdapter.ACTION_DISCOVERY_STARTED.equals(action)) {
        Log.d("BLUETOOTH", "DISCOVERY STARTED"); //lo que se ejecuta cuando el bluetooth comienza a escanear
    } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) { //lo que se ejecuta cuando el bluetooth finaliza el escaneo
        Log.d("BLUETOOTH", "DISCOVERY FINISHED");

    } else if (BluetoothDevice.ACTION_FOUND.equals(action)) { //lo que se ejecuta cuando el bluetooth encuentra un dispositivo
        final BluetoothDevice device = (BluetoothDevice) intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
        Log.d("BLUETOOTH", "DEVICE DISCOVERED");

        listaDevices.put(device.getAddress(), device);
        Bundle bundle = new Bundle();
        bundle.putString("address", device.getAddress());
        //TODO crear constantes para los codigos de envio
        resultReceiverListarYConectar.send(100, bundle);
        /*runOnUiThread(new Runnable() {
            @Override
            public void run() {
                list.add(device.getAddress());
                listaDevices.put(device.getAddress(), device);
                adapter.notifyDataSetChanged();
            }
        });*/
    }
}
项目：LittleBitLouder    文件：BluetoothManager.java    
public void makeDiscoverable() {
    if (mBluetoothAdapter == null) {
        return;
    } else {
        if (mBluetoothAdapter.isEnabled() && isDiscoverable()) {
            Log.e("", "===> mBluetoothAdapter.isDiscoverable()");

            return;
        } else {
            Log.e("", "===> makeDiscoverable");

            Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
            discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, mTimeDiscoverable);
            mActivity.startActivityForResult(discoverableIntent, REQUEST_DISCOVERABLE_CODE);
        }
    }
}
项目：Nird2    文件：ShowQrCodeFragment.java    
@Override
public void onStart() {
    super.onStart();

    // Listen for changes to the Bluetooth state
    IntentFilter filter = new IntentFilter();
    filter.addAction(ACTION_STATE_CHANGED);
    receiver = new BluetoothStateReceiver();
    getActivity().registerReceiver(receiver, filter);

    // Enable BT adapter if it is not already on.
    final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (adapter != null && !adapter.isEnabled()) {
        waitingForBluetooth = true;
        androidExecutor.runOnBackgroundThread(new Runnable() {
            @Override
            public void run() {
                adapter.enable();
            }
        });
    } else {
        startListening();
    }
    cameraView.start();
}
项目：blefun-androidthings    文件：GattClient.java    
public void onDestroy() {
    mListener = null;

    BluetoothAdapter bluetoothAdapter = mBluetoothManager.getAdapter();
    if (bluetoothAdapter.isEnabled()) {
        stopClient();
    }

    mContext.unregisterReceiver(mBluetoothReceiver);
}
项目：Presenter-Client-Android    文件：BluetoothConnector.java    
@Override
public void onReceive(Context context, Intent intent) {
    String action = intent.getAction();

    if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(action)
            && intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR)
                == BluetoothAdapter.STATE_OFF) {
        //Device has disconnected
        Toast.makeText(BluetoothConnector.this, R.string.bluetooth_required_leaving,
                Toast.LENGTH_LONG).show();
        BluetoothConnector.this.finish();
    }
}
项目：Logistics-guard    文件：TestActivity3.java    
@Override
public void onStart() {
    super.onStart();
    Log.e(TAG, "onStart");
    if (BluetoothAdapter.getDefaultAdapter() == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        return;
    }
}
项目：AndroidMuseumBleManager    文件：BluetoothLeScannerCompat.java    
@Override
public void flushPendingScanResults(BluetoothAdapter adapter, ScanCallbackCompat callbackCompat) {
    API21ScanCallback result = callbackMap.get(callbackCompat);
    if (result == null) {
        return;
    }
    adapter.getBluetoothLeScanner().flushPendingScanResults(result);
}
项目：sample-bluetooth-audio    文件：A2dpSinkActivity.java    
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBluetoothAdapter == null) {
        Log.w(TAG, "No default Bluetooth adapter. Device likely does not support bluetooth.");
        return;
    }

    // We use Text-to-Speech to indicate status change to the user
    initTts();

    registerReceiver(mAdapterStateChangeReceiver, new IntentFilter(
            BluetoothAdapter.ACTION_STATE_CHANGED));
    registerReceiver(mSinkProfileStateChangeReceiver, new IntentFilter(
            A2dpSinkHelper.ACTION_CONNECTION_STATE_CHANGED));
    registerReceiver(mSinkProfilePlaybackChangeReceiver, new IntentFilter(
            A2dpSinkHelper.ACTION_PLAYING_STATE_CHANGED));

    if (mBluetoothAdapter.isEnabled()) {
        Log.d(TAG, "Bluetooth Adapter is already enabled.");
        initA2DPSink();
    } else {
        Log.d(TAG, "Bluetooth adapter not enabled. Enabling.");
        mBluetoothAdapter.enable();
    }

}
项目：sample-bluetooth-le-gattserver    文件：GattServerActivity.java    
/**
 * Verify the level of Bluetooth support provided by the hardware.
 * @param bluetoothAdapter System {@link BluetoothAdapter}.
 * @return true if Bluetooth is properly supported, false otherwise.
 */
private boolean checkBluetoothSupport(BluetoothAdapter bluetoothAdapter) {

    if (bluetoothAdapter == null) {
        Log.w(TAG, "Bluetooth is not supported");
        return false;
    }

    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
        Log.w(TAG, "Bluetooth LE is not supported");
        return false;
    }

    return true;
}
项目：CHIP-Android-SDK    文件：MainActivity.java    
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    BluetoothAdapter.getDefaultAdapter();
    FragmentHelper.switchFragment(getSupportFragmentManager(), new ConnectFragment(), R.id.view_id_content, false);
}
项目：an2linuxclient    文件：BluetoothPairedListDialog.java    
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    getDialog().requestWindowFeature(Window.FEATURE_NO_TITLE);

    View view = inflater.inflate(R.layout.view_add_bluetooth_server, container);

    ListView listViewBtPairedPCs = (ListView) view.findViewById(R.id.listViewBtPairedPCs);

    ArrayList<BluetoothDevice> pairedBluetoothList = new ArrayList<>();

    BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    Set<BluetoothDevice> pairedDevices = bluetoothAdapter.getBondedDevices();

    if (pairedDevices.size() > 0) {
        for (BluetoothDevice device : pairedDevices) {
            if(device.getBluetoothClass().getMajorDeviceClass() == BluetoothClass.Device.Major.COMPUTER) {
                pairedBluetoothList.add(device);
            }
        }
        if (pairedBluetoothList.size() == 0) {
            Toast.makeText(getActivity().getApplicationContext(), R.string.bluetooth_no_paired_found, Toast.LENGTH_LONG).show();
            return null;
        }
    } else {
        Toast.makeText(getActivity().getApplicationContext(), R.string.bluetooth_no_paired_found, Toast.LENGTH_LONG).show();
        return null;
    }
    BluetoothPairedDevicesAdapter adapter = new BluetoothPairedDevicesAdapter(getActivity(), pairedBluetoothList, this);
    listViewBtPairedPCs.setAdapter(adapter);
    return view;
}
项目：blue-pair    文件：BluetoothControllerTest.java    
/**
 * When try check that bluetooth is enable should check that method return correct data.
 * @throws Exception if something error happened.
 */
@Test
public void whenTryCheckThatBluetoothIsEnabledShouldCheckThatMethodReturnCorrectData() throws Exception {
    Activity activity = mock(Activity.class);
    BluetoothDiscoveryDeviceListener listener = mock(BluetoothDiscoveryDeviceListener.class);
    BluetoothAdapter adapter = mock(BluetoothAdapter.class);
    mockStatic(BluetoothAdapter.class);
    when(BluetoothAdapter.getDefaultAdapter()).thenReturn(adapter);
    when(adapter.isEnabled()).thenReturn(true);
    BluetoothController controller = new BluetoothController(activity, adapter, listener);
    assertThat(controller.isBluetoothEnabled(), is(true));
}
项目：neatle    文件：Neatle.java    
/**
 * Returns a {@link BluetoothDevice} based on the provided MAC address.
 *
 * @param mac the MAC address of the BTLE device
 * @return the created BT device.
 */
public static BluetoothDevice getDevice(@NonNull String mac) {
    String upperMac = mac.toUpperCase();
    if (isMacValid(upperMac)) {
        return BluetoothAdapter.getDefaultAdapter().getRemoteDevice(upperMac);
    }
    throw new UnsupportedOperationException("Device mac not recognized.");
}
项目：Blockly    文件：BluetoothActivity.java    
private boolean judgeHaveBluetooth() {
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    //判断设备是否支持蓝牙，不支持就没有后续操作了
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, "你的设备不支持蓝牙,无法连接和传输(｡•́︿•̀｡)", Toast.LENGTH_LONG).show();
        return false;
    }
    return true;
}
项目：bridgefy-android-samples    文件：MainActivity.java    
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ButterKnife.bind(this);
    setSupportActionBar(toolbar);

    // load our username
    username = getSharedPreferences(Constants.PREFS_NAME, 0).getString(Constants.PREFS_USERNAME, null);

    if (BridgefyListener.isThingsDevice(this)) {
        //if this device is running Android Things, don't go through any UI interaction and
        //start right away
        BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        //enabling bluetooth automatically
        bluetoothAdapter.enable();

        username = Build.MANUFACTURER + " " + Build.MODEL;
        // initialize the Bridgefy framework
        Bridgefy.initialize(getBaseContext(), registrationListener);
        setupList();

    } else {
        // check that we have permissions, otherwise fire the IntroActivity
        if ((ContextCompat.checkSelfPermission(getApplicationContext(),
                Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) ||
                (username == null)) {
            startActivity(new Intent(getBaseContext(), IntroActivity.class));
            finish();
        } else {
            // initialize the Bridgefy framework
            Bridgefy.initialize(getBaseContext(), registrationListener);
            setupList();
        }
    }
}
项目：Snach-Android    文件：BluetoothActivity.java    
private boolean activateBluetooth() {
    // TODO app freezes after enabling bluetooth through app instead of directly enabling it
    if (!mBluetoothAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableBtIntent, 1);
        return true;
    }
    return false;
}
项目：SecretTalk    文件：BluetoothChatService.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
 */
public BluetoothChatService(Context context, Handler handler) {
    mAdapter = BluetoothAdapter.getDefaultAdapter();
    mState = STATE_NONE;
    mNewState = mState;
    mHandler = handler;
}
项目：xlight_android_native    文件：BindDeviceSearchActivity.java    
public void BluetoothScan() {
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    IntentFilter filter = new IntentFilter();
    //发现设备
    filter.addAction(BluetoothDevice.ACTION_FOUND);
    //设备连接状态改变
    filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
    //蓝牙设备状态改变
    filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
    filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
    this.registerReceiver(mBluetoothReceiver, filter);
    mBluetoothAdapter.startDiscovery();
    Log.d("XLight", "Bluetooth scan start");
}
项目：microbit    文件：BluetoothUtils.java    
public static int getTotalPairedMicroBitsFromSystem() {
    int totalPairedMicroBits = 0;
    BluetoothAdapter mBluetoothAdapter = ((BluetoothManager) MBApp.getApp().getSystemService(Context
            .BLUETOOTH_SERVICE)).getAdapter();
    if(mBluetoothAdapter != null && !mBluetoothAdapter.isEnabled()) {
        Set<BluetoothDevice> pairedDevices = mBluetoothAdapter.getBondedDevices();
        for(BluetoothDevice bt : pairedDevices) {
            if(bt.getName().contains("micro:bit")) {
                ++totalPairedMicroBits;
            }
        }
    }
    return totalPairedMicroBits;
}
项目：MagicLight-Controller    文件：SelectDeviceActivity.java    
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.layout_bluetoothlist);
    this.setFinishOnTouchOutside(false);
    ButterKnife.bind(this);

    mHandler = new Handler();

    // indicate scanning in the title
    TextView status = (TextView) findViewById(R.id.bluetoothlist_status);
    status.setText(R.string.ble_startfind);

    // initialize bluetooth manager & adapter
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();
    bluetoothLeScanner = mBluetoothAdapter.getBluetoothLeScanner();

    // if bluetooth is not currently enabled,
    if (!mBluetoothAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
    }
    else {
        // initialize list view adapter
        deviceList = new ArrayList();
        mLeDeviceListAdapter = new LeDeviceListAdapter(this, R.layout.item_bluetoothdevice);
        listView_BluetoothList.setAdapter(mLeDeviceListAdapter);
        listView_BluetoothList.setOnItemClickListener(new ListViewItemClickListener());
        scanLeDevice(true);
    }
}