我们如何从Android中的FragmentActivity调用FragmentActivity

Question

How can we call a FragmentActivity from a FragmentActivity on click of button .Please help me in this .

And please help me to understand the difference between FragmentActivity and Fragment

Answer 1

FragmentActivity is the base class for activities that want to use the support-based Fragment and Loader APIs.

So if you are using fragment below api level 11 you should use Fragment from the support library in which case your activity extends FragmentActivity

If you are using fragment in api level 11 and above you use Fragment and extend Activtiy.

Fragment is hosted by a Activity. You can't call a Activtiy. You can start another Activity from fragment or activity.

Answer 2

Similar way what we are doing with Activities

button1.setOnClickListener(new OnClickListener() {          
   @Override
   public void onClick(View v) {            
        startActivity(new Intent(FragmentActivity1.this, FragmentActivity2.class));
   }
});