How to use

invalidateOptionsMenu

method

in

com.eveningoutpost.dexdrip.BluetoothScan

  @Override
  public void run() {
    is_scanning = false;
    try {
      if ((bluetooth_adapter != null) && (mLeScanCallback != null)) {
        bluetooth_adapter.stopLeScan(mLeScanCallback);
      }
    } catch (NullPointerException e) {
      // concurrency pain
    }
    invalidateOptionsMenu();
  }
}, SCAN_PERIOD);

  @Override
  public void run() {
    is_scanning = false;
    try {
      if ((bluetooth_adapter != null) && (mLeScanCallback != null)) {
        bluetooth_adapter.stopLeScan(mLeScanCallback);
      }
    } catch (NullPointerException e) {
      // concurrency pain
    }
    invalidateOptionsMenu();
  }
}, SCAN_PERIOD);

@TargetApi(19)
private synchronized void scanLeDevice(final boolean enable) {
  if (enable) {
    // Stops scanning after a pre-defined scan period.
    Log.d(TAG, "Start scan 19");
    mHandler.postDelayed(new Runnable() {
      @Override
      public void run() {
        is_scanning = false;
        try {
          if ((bluetooth_adapter != null) && (mLeScanCallback != null)) {
            bluetooth_adapter.stopLeScan(mLeScanCallback);
          }
        } catch (NullPointerException e) {
          // concurrency pain
        }
        invalidateOptionsMenu();
      }
    }, SCAN_PERIOD);
    is_scanning = true;
    if (bluetooth_adapter != null) bluetooth_adapter.startLeScan(mLeScanCallback);
  } else {
    is_scanning = false;
    if (bluetooth_adapter != null && bluetooth_adapter.isEnabled()) {
      bluetooth_adapter.stopLeScan(mLeScanCallback);
    }
  }
  invalidateOptionsMenu();
}

@TargetApi(19)
private synchronized void scanLeDevice(final boolean enable) {
  if (enable) {
    // Stops scanning after a pre-defined scan period.
    Log.d(TAG, "Start scan 19");
    mHandler.postDelayed(new Runnable() {
      @Override
      public void run() {
        is_scanning = false;
        try {
          if ((bluetooth_adapter != null) && (mLeScanCallback != null)) {
            bluetooth_adapter.stopLeScan(mLeScanCallback);
          }
        } catch (NullPointerException e) {
          // concurrency pain
        }
        invalidateOptionsMenu();
      }
    }, SCAN_PERIOD);
    is_scanning = true;
    if (bluetooth_adapter != null) bluetooth_adapter.startLeScan(mLeScanCallback);
  } else {
    is_scanning = false;
    if (bluetooth_adapter != null && bluetooth_adapter.isEnabled()) {
      bluetooth_adapter.stopLeScan(mLeScanCallback);
    }
  }
  invalidateOptionsMenu();
}

  @Override
  public void run() {
    is_scanning = false;
    if (bluetooth_adapter != null && bluetooth_adapter.isEnabled()) {
      try {
        lollipopScanner.stopScan(mScanCallback);
      } catch (IllegalStateException e) {
        JoH.static_toast_long(e.toString());
        UserError.Log.e(TAG, "error stopping scan: " + e.toString());
      }
    }
    invalidateOptionsMenu();
  }
}, SCAN_PERIOD);

  @Override
  public void run() {
    is_scanning = false;
    if (bluetooth_adapter != null && bluetooth_adapter.isEnabled()) {
      try {
        lollipopScanner.stopScan(mScanCallback);
      } catch (IllegalStateException e) {
        JoH.static_toast_long(e.toString());
        UserError.Log.e(TAG, "error stopping scan: " + e.toString());
      }
    }
    invalidateOptionsMenu();
  }
}, SCAN_PERIOD);

invalidateOptionsMenu();

invalidateOptionsMenu();