android -运行时位置权限- GoogleApiClient尚未连接

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

public class MainActivity extends AppCompatActivity implements
        GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener {

    private GoogleApiClient mGoogleApiClient;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mGoogleApiClient = new GoogleApiClient.Builder(this)
                .addConnectionCallbacks(this)
                .addOnConnectionFailedListener(this)
                .addApi(LocationServices.API)
                .build();
    }

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

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

    @Override
    public void onConnected(@Nullable Bundle bundle) {
        // GoogleApiClient连接成功后的处理逻辑
    }

    @Override
    public void onConnectionSuspended(int i) {
        // GoogleApiClient连接暂停时的处理逻辑
    }

    @Override
    public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
        // GoogleApiClient连接失败时的处理逻辑
    }
}