如何将值从列表视图适配器传递到android中的片段

Question

I want to pass same value from adapter to fragment and I send it in next way:

Fragment fr = new Fragment 

fr.deleteMothod(Position);

when I call above code , it is creating new instance of Fragment therefore I am not accessing values of fragment. How to use old instance of fragment.

Answer 1

You can modify the constructor of your fragment like so:

 public static DetailsFragment newInstance(String selection, String[] selectionArgs) {
        DetailsFragment detailsFragment = new DetailsFragment();
        Bundle args = new Bundle();
        args.putString("selection", selection);
        args.putStringArray("selectionArgs", selectionArgs);
        detailsFragment.setArguments(args);
        return detailsFragment;
    }

However there is a much better way of doing this, if you use an interface.

Answer 2

You should retrieve your fragment from the Fragment manager by id or tag, then call the method on it. These are the official docs http://developer.android.com/training/basics/fragments/communicating.html#Deliver