Here is a solution for those who are interested.
Install OnOpenedListener and OnClosedListener on the SlidingMenu object
SlidingMenu menu = new SlidingMenu(this);
Back button (sliding menu closed)
menu.setOnOpenedListener(new OnOpenedListener() { @Override public void onOpened() { getSupportActionBar().setDisplayHomeAsUpEnabled(false); } });
To hide the back button (a sliding menu opens)
menu.setOnClosedListener(new OnOpenedListener() { @Override public void onClosed() { getSupportActionBar().setDisplayHomeAsUpEnabled(true); } });
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