// ----------------------------------------------------------------------------------------------------------------
// Broadcast an intent with a string representing an action an extra string with the data
// Modify this code for data that is not in a string format
private void broadcastUpdate(
final String action, final BluetoothGattCharacteristic characteristic) {
final Intent intent = new Intent(action); // Create new intent to broadcast the action
if (action.equals(ACTION_DATA_AVAILABLE)) { // See if we need to send data
if (UUID_MLDP_DATA_PRIVATE_CHARACTERISTIC.equals(
characteristic.getUuid())) { // See if this is the correct characteristic
String dataValue =
characteristic.getStringValue(0); // Get the data (in this case it is a string)
intent.putExtra(EXTRA_DATA, dataValue); // Add the data string to the intent
}
} else { // Did not get an action string we expect
Log.d(TAG, "Action: " + action);
}
sendBroadcast(intent); // Broadcast the intent
}
// Called when a remote characteristic changes (like the RX characteristic).
@Override
public void onCharacteristicChanged(
BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
super.onCharacteristicChanged(gatt, characteristic);
vitaminValue = characteristic.getStringValue(0);
Intent intent = new Intent(MainActivity.this, ResultsActivity.class);
intent.putExtra(EXTRA_MESSAGE, vitaminValue);
startActivity(intent);
animatedCircleLoadingView.stopOk();
presentValue();
}
private void broadcastUpdate(
final String action, final BluetoothGattCharacteristic characteristic) {
final Intent intent = new Intent(action);
// This is special handling for the Heart Rate Measurement profile. Data parsing is
// carried out as per profile specifications:
// http://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml
if (UUID_LUGGAGE_NTF.equals(characteristic.getUuid())) {
final String recData = characteristic.getStringValue(0);
Log.d(TAG, String.format("Received heart rate: %s", recData));
intent.putExtra(EXTRA_DATA, recData);
} else {
// For all other profiles, writes the data formatted in HEX.
final byte[] data = characteristic.getValue();
if (data != null && data.length > 0) {
final StringBuilder stringBuilder = new StringBuilder(data.length);
for (byte byteChar : data) stringBuilder.append(String.format("%02X ", byteChar));
intent.putExtra(EXTRA_DATA, new String(data) + "\n" + stringBuilder.toString());
}
}
sendBroadcast(intent);
}
@Override
public void onCharacteristicChanged(
BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
LogUtil.info(TAG, "接收数据onCharacteristicChanged()");
String str = "";
switch (DEVICE_TYPE) {
case 1: // 脂肪秤
broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
if (characteristic.getValue() != null) {
LogUtil.info(TAG, characteristic.getStringValue(0));
}
break;
case 2: // 血压计
LogUtil.info(TAG, "数据长度：" + characteristic.getValue().length);
for (int i = 0; ; ++i) {
if (i >= characteristic.getValue().length) {
receiveData = str;
broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
LogUtil.info(TAG, "血压计结果数据：" + receiveData);
return;
}
str = str + (0xFF & characteristic.getValue()[i]) + " ";
}
case 3: // 血糖仪
for (int i = 0; ; ++i) {
if (i >= characteristic.getValue().length) {
receiveData = str;
broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
LogUtil.info(TAG, "血糖仪结果数据：" + receiveData);
return;
}
str = str + (0xFF & characteristic.getValue()[i]) + " ";
}
default:
break;
}
}
@Override
public void onCharacteristicNotified(
final BluetoothGatt gatt, final BluetoothGattCharacteristic characteristic) {
final String data = characteristic.getStringValue(0);
mCallbacks.onDataReceived(data);
}
@Override
public void onCharacteristicWrite(
final BluetoothGatt gatt, final BluetoothGattCharacteristic characteristic) {
final String data = characteristic.getStringValue(0);
mCallbacks.onDataSent(data);
}