Esempio n. 1
1
 @Override
 protected void onPause() {
   super.onPause();
   scanLeDevice(false);
   mLeDeviceListAdapter.clear();
   mLeDeviceListAdapter.notifyDataSetChanged();
 }
Esempio n. 2
0
  @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);
  }