This worked for me. -Add .addToBackStack(null) when you call the new fragment from activity. FragmentTransaction mFragmentTransaction = getFragmentManager() .beginTransaction(); …. mFragmentTransaction.addToBackStack(null); -Add onBackPressed() to your activity @Override public void onBackPressed() { if (getFragmentManager().getBackStackEntryCount() == 0) { this.finish(); } else { getFragmentManager().popBackStack(); } }
try: header(‘Location: ‘ . $_SERVER[‘HTTP_REFERER’]); Note that this may not work with secure pages (HTTPS) and it’s a pretty bad idea overall as the header can be hijacked, sending the user to some other destination. The header may not even be sent by the browser. Ideally, you will want to either: Append the return address … Read more
My suggestion would be to finish the activity that you don’t want the users to go back to. For instance, in your sign in activity, right after you call startActivity, call finish(). When the users hit the back button, they will not be able to go to the sign in activity because it has been … Read more
public void onBackPressed() { FragmentManager fm = getActivity().getSupportFragmentManager(); fm.popBackStack(); }
From SDK: Cancelling a task A task can be cancelled at any time by invoking cancel(boolean). Invoking this method will cause subsequent calls to isCancelled() to return true. After invoking this method, onCancelled(Object), instead of onPostExecute(Object) will be invoked after doInBackground(Object[]) returns. To ensure that a task is cancelled as quickly as possible, you should … Read more
Most of the time you need to create a Service to perform something in the background, and your visible Activity simply controls this Service. (I’m sure the Music player works in the same way, so the example in the docs seems a bit misleading.) If that’s the case, then your Activity can finish as usual … Read more
(Note: As per Sharky’s feedback, I’ve included code to detect backspaces) So, I’ve seen these questions frequently on SO, and have recently run into the issue of controlling back button functionality myself. After a few days of searching for the best solution for my application (Single-Page with Hash Navigation), I’ve come up with a simple, … Read more