Instrumentation class, calling the Activity's onCreate

medium-starting-activity-main-instrumentation-class.java

/**
 * @Retrieved from AOSP
 * Instrumentation class
 */
public void callActivityOnCreate(Activity activity, Bundle icicle) {
    //Note that the activity has already been initialized thanks to the prepareLaunchActivity().
    //all that remains is just calling onCreate()
    prePerformCreate(activity); //prepares the activity
    activity.performCreate(icicle); //calls the oncreate
    postPerformCreate(activity);
}