Switching between activities in android?

Question

In my android application, I have following requirement.

Activity A --> Activity B(Go to A Option) --> Activity C(Go To A Option,Go To B Option)

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Answer 1

Why can't you use,

@Override
protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    //Save your current instance
}

"...This method is called before an activity may be killed so that when it comes back some time in the future it can restore its state. For example, if activity B is launched in front of activity A, and at some point activity A is killed to reclaim resources, activity A will have a chance to save the current state of its user interface via this method so that when the user returns to activity A, the state of the user interface can be restored via onCreate(Bundle) or onRestoreInstanceState(Bundle)..."

I think that is what you wanted. With this you can use Intent from Activity C. Yes then it goes to onCreate method, BUT there you are checking whether there is any saved instance. If there are any saved instance you no need to load the rest of the onCreate items. It will speed your application.