@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_bluetooth_scan); final BluetoothManager bluetooth_manager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE); bluetooth_adapter = bluetooth_manager.getAdapter(); mHandler = new Handler(); if (bluetooth_adapter == null) { Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_LONG).show(); finish(); return; } if (!bluetooth_manager.getAdapter().isEnabled()) { Toast.makeText(this, "Bluetooth is turned off on this device currently", Toast.LENGTH_LONG) .show(); } else { if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN_MR2) { Toast.makeText( this, "The android version of this device is not compatible with Bluetooth Low Energy", Toast.LENGTH_LONG) .show(); } } // Will request that GPS be enabled for devices running Marshmallow or newer. LocationHelper.requestLocationForBluetooth(this); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) initializeScannerCallback(); mLeDeviceListAdapter = new LeDeviceListAdapter(); setListAdapter(mLeDeviceListAdapter); }
@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(); } // 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; } Log.i("SCAN", "" + mBluetoothAdapter.isMultipleAdvertisementSupported()); Log.i("SCAN", "" + mBluetoothAdapter.isOffloadedFilteringSupported()); Log.i("SCAN", "" + mBluetoothAdapter.isOffloadedScanBatchingSupported()); }
@SuppressLint("NewApi") public void setview() { setContentView(R.layout.ibeacon); lin_device = (LinearLayout) findViewById(R.id.lin_device); so = (Button) findViewById(R.id.bt_so); so.setOnClickListener( new OnClickListener() { public void onClick(View v) { ibeacon.clear(); lin_device.removeAllViews(); } }); mHandler = new Handler(); ibeacon = new ArrayList<Ibeacon_device>(); if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) { 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) { finish(); return; } }
private String getLocalBluetoothMAC(Context context) { BluetoothManager manager = (BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE); BluetoothAdapter adapter = manager.getAdapter(); String mac = adapter.getAddress(); return mac; }
public boolean isSupportBle() { // is support 4.0 ? final BluetoothManager bluetoothManager = (BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE); mBluetoothAdapter = bluetoothManager.getAdapter(); if (mBluetoothAdapter == null) return false; else return true; }
@Override public void onCreate() { Log.i(TAG, "onCreate of IBeaconService called"); // Initializes Bluetooth adapter. final BluetoothManager bluetoothManager = (BluetoothManager) this.getApplicationContext().getSystemService(Context.BLUETOOTH_SERVICE); bluetoothAdapter = bluetoothManager.getAdapter(); }
private void startLeScan() { final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE); this.bluetoothAdapter = bluetoothManager.getAdapter(); Log.d(TAG, "startLeScan() ... "); this.bluetoothAdapter.startLeScan(this); }
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_calibeate_location); Button okButton = (Button) findViewById(R.id.ok); okButton.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { Intent returnIntent = new Intent(); if (distance1 < distance2 && distance1 < distance3) { returnIntent.putExtra("beaconAmaj", BEACON_MAJOR_1); returnIntent.putExtra("beaconAmin", BEACON_MINOR_1); returnIntent.putExtra("beaconBmaj", BEACON_MAJOR_2); returnIntent.putExtra("beaconBmin", BEACON_MAJOR_2); returnIntent.putExtra("beaconBdist", distance2); returnIntent.putExtra("beaconCmaj", BEACON_MAJOR_3); returnIntent.putExtra("beaconCmin", BEACON_MAJOR_3); returnIntent.putExtra("beaconCdist", distance3); } else if (distance2 < distance1 && distance2 < distance3) { returnIntent.putExtra("beaconAmaj", BEACON_MAJOR_2); returnIntent.putExtra("beaconAmin", BEACON_MINOR_2); returnIntent.putExtra("beaconBmaj", BEACON_MAJOR_1); returnIntent.putExtra("beaconBmin", BEACON_MAJOR_1); returnIntent.putExtra("beaconBdist", distance1); returnIntent.putExtra("beaconCmaj", BEACON_MAJOR_3); returnIntent.putExtra("beaconCmin", BEACON_MAJOR_3); returnIntent.putExtra("beaconCdist", distance3); } else { returnIntent.putExtra("beaconAmaj", BEACON_MAJOR_3); returnIntent.putExtra("beaconAmin", BEACON_MINOR_3); returnIntent.putExtra("beaconBmaj", BEACON_MAJOR_2); returnIntent.putExtra("beaconBmin", BEACON_MAJOR_2); returnIntent.putExtra("beaconBdist", distance2); returnIntent.putExtra("beaconCmaj", BEACON_MAJOR_1); returnIntent.putExtra("beaconCmin", BEACON_MAJOR_1); returnIntent.putExtra("beaconCdist", distance1); } setResult(Activity.RESULT_OK, returnIntent); finish(); } }); BluetoothManager btManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE); BluetoothAdapter btAdapter = btManager.getAdapter(); if (btAdapter != null && !btAdapter.isEnabled()) { Intent enableIntent = new Intent(ACTION_REQUEST_ENABLE); startActivityForResult(enableIntent, 0); } // I made a thread so i can Thread.sleep // It sleeps 3 seconds before terminating the search Runnable find = new FindDevices(btAdapter); Thread t = new Thread(find); t.start(); }
@Override public void onCreate(Bundle savedInstanceState) { appState = (GlobalVar) getApplicationContext(); // 获得全局变量 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); // 设置成竖屏 super.onCreate(savedInstanceState); // getActionBar().setTitle(R.string.title_devices); requestWindowFeature(Window.FEATURE_NO_TITLE); // 去掉title // 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(); } // 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(); appState.BluetoothAdapter = mBluetoothAdapter; // 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; } // 开启蓝牙 mBluetoothAdapter.enable(); mBLE_reciv = new BluetoothLeClassDianzichen(this); appState.mBLE_reciv_dianzichen = mBLE_reciv; // appState.init_BluetoothLeClassDianzichen(); if (!mBLE_reciv.initialize()) { Log.e(TAG, "Unable to initialize Bluetooth"); finish(); } // 发现BLE终端的Service时回调 mBLE_reciv.setOnServiceDiscoverListener(mOnServiceDiscover); // 收到BLE终端数据交互的事件 mBLE_reciv.setOnDataAvailableListener(mOnDataAvailable); mBLE_send = new BluetoothLeClassDianzichen(this); appState.mBLE_send_dianzichen = mBLE_send; if (!appState.mBLE_send_dianzichen.initialize()) { Log.e(TAG, "Unable to initialize Bluetooth"); finish(); } // 发现BLE终端的Service时回调 mBLE_send.setOnServiceDiscoverListener(mOnServiceDiscover); // 收到BLE终端数据交互的事件 mBLE_send.setOnDataAvailableListener(mOnDataAvailable); }
/** * Configures the Bluetooth adapter and stores a reference to it * * @param c the current context * @return <code>true</code> if initialization was successful. <code>false</code> otherwise. */ public static boolean configureBluetoothAdapter(Context c) { // Initializes Bluetooth adapter. final BluetoothManager bluetoothManager = (BluetoothManager) c.getSystemService(Context.BLUETOOTH_SERVICE); _ibp._bluetoothAdapter = bluetoothManager.getAdapter(); if (_ibp._bluetoothAdapter == null || !_ibp._bluetoothAdapter.isEnabled()) { return false; } return true; }
private BluetoothAdapter getBluetoothAdapter() { if (bluetoothAdapter == null) { // Initializes Bluetooth adapter. final BluetoothManager bluetoothManager = (BluetoothManager) this.getApplicationContext().getSystemService(Context.BLUETOOTH_SERVICE); bluetoothAdapter = bluetoothManager.getAdapter(); } return bluetoothAdapter; }
public ScanHelper(Context context, ScanCallback callback) { this.context = context; this.callback = callback; BluetoothManager bluetoothManager = (BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE); bluetoothAdapter = bluetoothManager.getAdapter(); }
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); /** * Check if the current mobile phone supports ble Bluetooth, if you do not support the exit * program */ if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) { Toast.makeText(this, "BLE is not supported", Toast.LENGTH_SHORT).show(); finish(); } /** * Adapter Bluetooth, get a reference to the Bluetooth adapter (API), which must be above * android4.3 or above. */ final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE); mBluetoothAdapter = bluetoothManager.getAdapter(); /** Check whether the device supports Bluetooth */ if (mBluetoothAdapter == null) { Toast.makeText(this, "Blue not supported", Toast.LENGTH_SHORT).show(); finish(); return; } // initialise list adapter mLeDeviceListAdapter = new LeDeviceListAdapter(); mDevicesListView = (ListView) findViewById(R.id.devices_list_view); mDevicesListView.setOnItemClickListener( new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) { onListItemClick(i); } }); // pass the adapter to the list view mDevicesListView.setAdapter(mLeDeviceListAdapter); // create service intent, later used to start/stop the service intent = new Intent(this, BluetoothLeScanService.class); // devices with marshmallow and above needs location service on to perform BLE scanning if (Build.VERSION.SDK_INT < 23) { // start scanning service startService(intent); } else { // check and ask for enabling location sevice checkLocationPermission(); } }
private void checkBluetooth(Context context) { final BluetoothManager bluetoothManager = (BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE); BluetoothAdapter mBluetoothAdapter = bluetoothManager.getAdapter(); if (mBluetoothAdapter == null || !mBluetoothAdapter.isEnabled()) { Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT); } else { Toast.makeText(context, R.string.bluetooth_is_supported, Toast.LENGTH_SHORT).show(); } }
private void startScan() { Log.wtf(TAG, "Starting Scan"); BluetoothManager manager = (BluetoothManager) getSystemService(BLUETOOTH_SERVICE); mBluetoothAdapter = manager.getAdapter(); if (mConnectedGatt != null) { mConnectedGatt.close(); } mDevices.clear(); mBluetoothAdapter.startLeScan(this); setProgressBarIndeterminateVisibility(true); mHand.postDelayed(mStopRunnable, 5000); }
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mHandler = new Handler(); if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) { Toast.makeText(this, "BLE Not Supported", Toast.LENGTH_SHORT).show(); finish(); } final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE); mBluetoothAdapter = bluetoothManager.getAdapter(); }
private void firstRunSetup() { BluetoothManager manager = (BluetoothManager) getSystemService(BLUETOOTH_SERVICE); bluetoothAdapter = manager.getAdapter(); bluetoothAdapter.setName("Alexandra-f1e1ddd0"); if (bluetoothAdapter.getScanMode() != BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE) { Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE); discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 120); startActivity(discoverableIntent); } BluetoothChatService bluetoothChatService = new BluetoothChatService(getApplicationContext(), mHandler); bluetoothChatService.start(); }
public View onCreateView( LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View InputFragmentView = inflater.inflate(R.layout.sensor, container, false); // Bluetooth in Android 4.3 is accessed via the BluetoothManager, rather than // the old static bluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); BluetoothManager manager = (BluetoothManager) getActivity().getSystemService(Context.BLUETOOTH_SERVICE); bluetoothAdapter = manager.getAdapter(); // TODO (jos | tariq) if bluetoothAdapter is null here, there's no need to continue with the // fragment. // There's a method enable_bluetooth later in the file. This should be consistent. // 3d Cube FragmentManager fm = getFragmentManager(); FragmentTransaction ft = fm.beginTransaction(); if (savedInstanceState == null) { newFragment = new _3D_object(); ft.replace(R.id.container_3D, newFragment); ft.commit(); } // TextViews deviceInfoText = (TextView) InputFragmentView.findViewById(R.id.d_Info); timestamp = (TextView) InputFragmentView.findViewById(R.id.timestamp); packetnumber = (TextView) InputFragmentView.findViewById(R.id.packetnumber); accelData = (TextView) InputFragmentView.findViewById(R.id.accelData); batteryVoltage = (TextView) InputFragmentView.findViewById(R.id.batteryVoltage); gyroData = (TextView) InputFragmentView.findViewById(R.id.gyroData); arrow_nw = (ImageView) InputFragmentView.findViewById(R.id.arrow_nw); arrow_n = (ImageView) InputFragmentView.findViewById(R.id.arrow_n); arrow_ne = (ImageView) InputFragmentView.findViewById(R.id.arrow_ne); arrow_w = (ImageView) InputFragmentView.findViewById(R.id.arrow_w); arrow_center = (ImageView) InputFragmentView.findViewById(R.id.arrow_center); arrow_e = (ImageView) InputFragmentView.findViewById(R.id.arrow_e); arrow_sw = (ImageView) InputFragmentView.findViewById(R.id.arrow_sw); arrow_s = (ImageView) InputFragmentView.findViewById(R.id.arrow_s); arrow_se = (ImageView) InputFragmentView.findViewById(R.id.arrow_se); arrow_nw.setRotation(-45); arrow_ne.setRotation(45); arrow_w.setRotation(-90); arrow_e.setRotation(90); arrow_sw.setRotation(-135); arrow_s.setRotation(180); arrow_se.setRotation(135); return InputFragmentView; }
private void connectToBLE() { BluetoothManager manager = (BluetoothManager) getSystemService(BLUETOOTH_SERVICE); bluetoothAdapter = manager.getAdapter(); if (bluetoothAdapter.getScanMode() != BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE) { Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE); discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 120); startActivity(discoverableIntent); } Log.i("BLE", "setting up"); logEvent(CONFIGURATION_TAG, "setting up BLE"); bluetoothAdapter = manager.getAdapter(); stopScan(); startScan(); }
@TargetApi(18) private BluetoothAdapter getBluetoothAdapter() { if (android.os.Build.VERSION.SDK_INT < 18) { Log.w(TAG, "Not supported prior to API 18."); return null; } if (bluetoothAdapter == null) { // Initializes Bluetooth adapter. final BluetoothManager bluetoothManager = (BluetoothManager) this.getApplicationContext().getSystemService(Context.BLUETOOTH_SERVICE); bluetoothAdapter = bluetoothManager.getAdapter(); } return bluetoothAdapter; }
/** * Initializes a reference to the local Bluetooth adapter. * * @return Return true if the initialization is successful. */ public boolean initialize() { // For API level 18 and above, get a reference to BluetoothAdapter through // BluetoothManager. log27_a = new StringBuilder(); log27_g = new StringBuilder(); log27_q = new StringBuilder(); log27_e = new StringBuilder(); log27_h = new StringBuilder(); log26 = new StringBuilder(); log28 = new StringBuilder(); log27 = new StringBuilder(); if (mBluetoothManager == null) { mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE); if (mBluetoothManager == null) { Log.e(TAG, "Unable to initialize BluetoothManager."); return false; } } mBluetoothAdapter = mBluetoothManager.getAdapter(); if (mBluetoothAdapter == null) { Log.e(TAG, "Unable to obtain a BluetoothAdapter."); return false; } return true; }
@Override public void onCreate() { // 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(); mBleSupported = false; } // Initializes a Bluetooth adapter. For API level 18 and above, get a // reference to BluetoothAdapter through BluetoothManager. mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE); mBtAdapter = mBluetoothManager.getAdapter(); // Checks if Bluetooth is supported on the device. if (mBtAdapter == null) { Toast.makeText(this, R.string.bt_not_supported, Toast.LENGTH_LONG).show(); mBleSupported = false; } mFilter = new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED); registerReceiver(mReceiver, mFilter); if (!mBtAdapter.isEnabled()) { Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); enableIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(enableIntent); } startBluetoothLeService(); super.onCreate(); }
private void onServiceAdded() { final BluetoothLeAdvertiser bluetoothLeAdvertiser = mBluetoothManager.getAdapter().getBluetoothLeAdvertiser(); AdvertiseData.Builder dataBuilder = new AdvertiseData.Builder(); dataBuilder.setIncludeTxPowerLevel(false); // necessity to fit in 31 byte advertisement // dataBuilder.setManufacturerData(0, advertisingBytes); dataBuilder.addServiceUuid(new ParcelUuid(UUID.fromString(Constants.CHAT_SERVICE_UUID))); // dataBuilder.setServiceData(pUUID, new byte[]{}); AdvertiseSettings.Builder settingsBuilder = new AdvertiseSettings.Builder(); settingsBuilder.setAdvertiseMode(AdvertiseSettings.ADVERTISE_MODE_BALANCED); settingsBuilder.setTxPowerLevel(AdvertiseSettings.ADVERTISE_TX_POWER_HIGH); settingsBuilder.setConnectable(true); bluetoothLeAdvertiser.startAdvertising( settingsBuilder.build(), dataBuilder.build(), mAdvertiseCallback); final Handler handler = new Handler(Looper.getMainLooper()); handler.postDelayed( new Runnable() { @Override public void run() { bluetoothLeAdvertiser.stopAdvertising(mAdvertiseCallback); } }, ADVERTISE_TIMEOUT); }
/** * Turns bluetooth on if bluetooth is supported * * @param activity application activity */ public void turnBluetoothOn(Activity activity) { checkActivity(activity); if (hasBluetooth(activity)) { BluetoothManager mBluetoothManager = (BluetoothManager) activity.getSystemService(Context.BLUETOOTH_SERVICE); BluetoothAdapter mBluetoothAdapter = mBluetoothManager.getAdapter(); if (mBluetoothAdapter == null || !mBluetoothAdapter.isEnabled()) { Log.i(DEBUG_BLUETOOTH, "Bluetooth is turned off"); Log.i(DEBUG_BLUETOOTH, "Launch request to enable bluetooth"); Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); activity.startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT); } if (mBluetoothAdapter.isEnabled()) { Log.i(DEBUG_BLUETOOTH, "Bluetooth is enabled"); } } }
public void start(Context context) { mContext = context; mHandler = new Handler(); final BluetoothManager bluetoothManager = (BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE); mBluetoothAdapter = bluetoothManager.getAdapter(); mBluetoothAdapter.cancelDiscovery(); final Intent gattServiceIntent = new Intent(context, BluetoothLeService.class); context.bindService(gattServiceIntent, mServiceConnection, context.BIND_AUTO_CREATE); if (BluetoothLEUtils.hasBluetoothLE(context)) { registerReceivers(); } }
public void createServer() { server = bluetoothManager.openGattServer(activity, new Callback()); service = new BluetoothGattService( UUID.fromString(B4UUID), BluetoothGattService.SERVICE_TYPE_SECONDARY); server.addService(service); System.out.println("server: " + server); }
@Override protected void onCreate(Bundle savedInstanceState) { // setTheme(R.style.AppThemeRed); super.onCreate(savedInstanceState); setContentView(R.layout.activity_part_one); initToolbar(); mFabButton = (ImageButton) findViewById(R.id.fabButton); mFabButton.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { if (!isRunning) { scanLeDevice(true); mFabButton.setImageResource(R.drawable.ic_not_interested_white_24dp); isRunning = true; } else { scanLeDevice(false); mFabButton.setImageResource(R.drawable.ic_autorenew_white_24dp); isRunning = false; } } }); 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, "不支持BLE", Toast.LENGTH_SHORT).show(); finish(); } 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, "不支持BLE", Toast.LENGTH_SHORT).show(); finish(); return; } // initRecyclerView(); }
@Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.menu_scan: BluetoothManager bluetooth_manager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE); Toast.makeText(this, "Scanning", Toast.LENGTH_LONG).show(); if (bluetooth_manager == null) { Toast.makeText(this, "This device does not seem to support bluetooth", Toast.LENGTH_LONG) .show(); return true; } else { if (!bluetooth_manager.getAdapter().isEnabled()) { Toast.makeText( this, "Bluetooth is turned off on this device currently", Toast.LENGTH_LONG) .show(); return true; } else { if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN_MR2) { Toast.makeText( this, "The android version of this device is not compatible with Bluetooth Low Energy", Toast.LENGTH_LONG) .show(); return true; } } } if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { scanLeDeviceLollipop(true); } else { scanLeDevice(true); } return true; // case R.id.menu_stop: // Intent tableIntent = new Intent(this, RawDataTable.class); // startActivity(tableIntent); // return true; default: return super.onOptionsItemSelected(item); } }
private void InitBLE() { if (getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE) == false) { Toast.makeText(this, "BLE not supported", Toast.LENGTH_SHORT).show(); finish(); } final BluetoothManager mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE); mBluetoothAdapter = mBluetoothManager.getAdapter(); if (mBluetoothAdapter == null) { Toast.makeText(this, "BLE not supported", Toast.LENGTH_SHORT).show(); finish(); } if (mBluetoothAdapter.isEnabled() == false) { Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT); } }
boolean initiate() { // Use this check to determine whether BLE is supported on the device. // Then you can // selectively disable BLE-related features. if (!mainContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) { return false; } // Initializes a Bluetooth adapter. For API level 18 and above, get a // reference to // BluetoothAdapter through BluetoothManager. final BluetoothManager bluetoothManager = (BluetoothManager) mainContext.getSystemService(Context.BLUETOOTH_SERVICE); mBluetoothAdapter = bluetoothManager.getAdapter(); // Checks if Bluetooth is supported on the device. if (mBluetoothAdapter == null) { return false; } return true; }