java - How do i call my fragment class in android? -


i in mainactivity.java class , need call fragments inside mainactivity according user click list view item.is there way starting activity using intent calling fragment inside in mainactivity class?

 private void onlistitemclicked(int index) {     if(index==0){         intent one=new intent();         one.setclass(mainactivity.this,firstactivity.class);      }else{         intent two=new intent();         two.setclass(mainactivity.this,secondactivity.class);      }

here code.for 1 use starting activity.but need start calling fragment..is there way?

for adding fragment activity 

fragment newfragment = new fragment();             fragmenttransaction ft = getfragmentmanager().begintransaction();             ft.add(content_view_id, newfragment).commit();

where content_view_id id of container in want add fragment.


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