Google fit API, onDatapoint method is not being invoked - google-fit

Question

I am not able to get step count. I've been stuck on getting the onDataPoint method to be called. This code is almost correct. I am not able to find why it is not showing step count.
package com.example.akkisocc.heath;
import android.content.Intent;
import android.content.IntentSender;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.Scopes;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.ResultCallback;
import com.google.android.gms.common.api.Scope;
import com.google.android.gms.common.api.Status;
import com.google.android.gms.fitness.Fitness;
import com.google.android.gms.fitness.data.DataPoint;
import com.google.android.gms.fitness.data.DataSource;
import com.google.android.gms.fitness.data.DataType;
import com.google.android.gms.fitness.data.Field;
import com.google.android.gms.fitness.data.Value;
import com.google.android.gms.fitness.request.DataSourcesRequest;
import com.google.android.gms.fitness.request.OnDataPointListener;
import com.google.android.gms.fitness.request.SensorRequest;
import com.google.android.gms.fitness.result.DataSourcesResult;
import java.util.concurrent.TimeUnit;
public class MainActivity extends AppCompatActivity implements OnDataPointListener,
GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener {
private static final int REQUEST_OAUTH = 1;
private static final String AUTH_PENDING = "auth_state_pending";
TextView msg;
private boolean authInProgress = false;
private GoogleApiClient mApiClient;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
msg = (TextView) findViewById(R.id.msg);
msg.setText("On Create");
Log.e("GoogleFit", "Oncreate");
if (savedInstanceState != null) {
authInProgress = savedInstanceState.getBoolean(AUTH_PENDING);
}
mApiClient = new GoogleApiClient.Builder(this)
.addApi(Fitness.SENSORS_API)
.addScope(new Scope(Scopes.FITNESS_ACTIVITY_READ_WRITE))
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.build();
}
#Override
protected void onStart() {
super.onStart();
mApiClient.connect();
}
#Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_OAUTH) {
authInProgress = false;
if (resultCode == RESULT_OK) {
if (!mApiClient.isConnecting() && !mApiClient.isConnected()) {
mApiClient.connect();
}
} else if (resultCode == RESULT_CANCELED) {
Log.e("GoogleFit", "RESULT_CANCELED");
}
} else {
Log.e("GoogleFit", "requestCode NOT request_oauth");
}
}
#Override
public void onConnected(Bundle bundle) {
DataSourcesRequest dataSourceRequest = new DataSourcesRequest.Builder()
.setDataTypes(DataType.TYPE_STEP_COUNT_CUMULATIVE)
.setDataSourceTypes(DataSource.TYPE_RAW)
.build();
ResultCallback<DataSourcesResult> dataSourcesResultCallback = new ResultCallback<DataSourcesResult>() {
#Override
public void onResult(DataSourcesResult dataSourcesResult) {
for (DataSource dataSource : dataSourcesResult.getDataSources()) {
if (DataType.TYPE_STEP_COUNT_CUMULATIVE.equals(dataSource.getDataType())) {
registerFitnessDataListener(dataSource, DataType.TYPE_STEP_COUNT_CUMULATIVE);
}
}
}
};
Fitness.SensorsApi.findDataSources(mApiClient, dataSourceRequest)
.setResultCallback(dataSourcesResultCallback);
}
#Override
public void onConnectionSuspended(int i) {
}
#Override
public void onConnectionFailed(ConnectionResult connectionResult) {
if (!authInProgress) {
try {
authInProgress = true;
connectionResult.startResolutionForResult(MainActivity.this, REQUEST_OAUTH);
} catch (IntentSender.SendIntentException e) {
}
} else {
Log.e("GoogleFit", "authInProgress");
}
}
private void registerFitnessDataListener(DataSource dataSource, DataType dataType) {
SensorRequest request = new SensorRequest.Builder()
.setDataSource(dataSource)
.setDataType(dataType)
.setSamplingRate(3, TimeUnit.SECONDS)
.build();
Fitness.SensorsApi.add(mApiClient, request, this)
.setResultCallback(new ResultCallback<Status>() {
#Override
public void onResult(Status status) {
if (status.isSuccess()) {
Log.e("GoogleFit", "SensorApi successfully added");
}
}
});
}
#Override
public void onDataPoint(DataPoint dataPoint) {
for (final Field field : dataPoint.getDataType().getFields()) {
final Value value = dataPoint.getValue(field);
runOnUiThread(new Runnable() {
#Override
public void run() {
Toast.makeText(getApplicationContext(), "Field: " + field.getName() + " Value: " + value, Toast.LENGTH_SHORT).show();
}
});
}
}
}

Answer 1

(As solved in the comments) The issue is that TYPE_STEP_COUNT_CUMULATIVE is not a raw data type—Google uses a combination of sensors, accelerometer, machine learning, etc. to determine step count. So the .setDataSourceTypes(DataSource.TYPE_RAW) line needs to be removed.
OP noticed that just removing the line gives less accurate results than replacing it with DataSource.TYPE_DERIVED.
Also, the Google Fit FAQ has an example which uses TYPE_DERIVED.