Google+ PlusClient cross-platform connection sequence misorder?

MainActivity.java

package com.example.app;

import android.content.Intent;
import android.content.IntentSender;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.widget.Toast;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesClient;
import com.google.android.gms.common.Scopes;
import com.google.android.gms.plus.PlusClient;

public class MainActivity extends ActionBarActivity implements GooglePlayServicesClient.ConnectionCallbacks, GooglePlayServicesClient.OnConnectionFailedListener {
    private static final String TAG = "MainActivity";
    private static final int REQUEST_CODE_RESOLVE_ERR = 9000;

    private PlusClient mPlusClient;
    private ConnectionResult mConnectionResult;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mPlusClient = new PlusClient.Builder(this, this, this)
                .setScopes(Scopes.PLUS_LOGIN)
                .build();
    }

    @Override
    protected void onStart() {
        super.onStart();
        mPlusClient.connect();
    }

    @Override
    protected void onStop() {
        super.onStop();
        mPlusClient.disconnect();
    }

    @Override
    public void onConnectionFailed(ConnectionResult result) {
        if (result.hasResolution()) {
            try {
                result.startResolutionForResult(this, REQUEST_CODE_RESOLVE_ERR);
            } catch (IntentSender.SendIntentException e) {
                mPlusClient.connect();
            }
        }
        mConnectionResult = result;
    }

    @Override
    protected void onActivityResult(int requestCode, int responseCode, Intent intent) {
        if (requestCode == REQUEST_CODE_RESOLVE_ERR && responseCode == RESULT_OK) {
            mConnectionResult = null;
            mPlusClient.connect();
        }
    }

    @Override
    public void onConnected(Bundle connectionHint) {
        String accountName = mPlusClient.getAccountName();
        Toast.makeText(this, accountName + " is connected.", Toast.LENGTH_LONG).show();
    }

    @Override
    public void onDisconnected() {
        Log.d(TAG, "disconnected");
    }

}

MainActivity2.java

package com.example.app;

import android.app.ProgressDialog;
import android.content.Intent;
import android.content.IntentSender;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.widget.Toast;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesClient;
import com.google.android.gms.common.Scopes;
import com.google.android.gms.plus.PlusClient;

public class MainActivity2 extends ActionBarActivity {
    private static final String TAG = "ExampleActivity";
    private static final int REQUEST_CODE_RESOLVE_ERR = 9000;

    private PlusClient mPlusClient;
    private ConnectionResult mConnectionResult;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mPlusClient = new PlusClient.Builder(this,
                new GooglePlayServicesClient.ConnectionCallbacks() {
                    @Override
                    public void onConnected(Bundle bundle) {
                        Log.i(TAG, "connected");

                        String accountName = mPlusClient.getAccountName();
                        Toast.makeText(MainActivity2.this, accountName + " is connected.", Toast.LENGTH_LONG).show();

                    }

                    @Override
                    public void onDisconnected() {
                        Log.d(TAG, "disconnected");
                    }
                },
                new GooglePlayServicesClient.OnConnectionFailedListener() {
                    @Override
                    public void onConnectionFailed(ConnectionResult connectionResult) {
                        Log.i(TAG, "failed " + connectionResult.getErrorCode());

                        if (connectionResult.hasResolution()) {
                            try {
                                connectionResult.startResolutionForResult(MainActivity2.this, REQUEST_CODE_RESOLVE_ERR);
                            } catch (IntentSender.SendIntentException e) {
                                mPlusClient.connect();
                            }
                        }
                        mConnectionResult = connectionResult;
                    }
                }
        )
                .setScopes(Scopes.PLUS_LOGIN)  // recommended login scope for social features
                .build();

    }

    @Override
    protected void onStart() {
        super.onStart();
        mPlusClient.connect();

    }

    @Override
    protected void onStop() {
        super.onStop();
        mPlusClient.disconnect();
    }

    @Override
    protected void onActivityResult(int requestCode, int responseCode, Intent intent) {
        if (requestCode == REQUEST_CODE_RESOLVE_ERR && responseCode == RESULT_OK) {
            mConnectionResult = null;
            mPlusClient.connect();
        }
    }

}