Android-如何将mainActivity中的方法与另一个类的静态布尔变量同步？

Question

I have a method in the mainActivity , this method Refresh my RecyclerView . I want sync that method to a static boolean variable and can be Called for every change of that boolean variable.

here's my Method:

public void RefreshView() {

    recyclerView = (RecyclerView) findViewById(R.id.recyclerMainView);
    recyclerAdapter = new RecyclerAdapter(context, getData());
    recyclerView.setAdapter(recyclerAdapter);
    recyclerView.setLayoutManager(new LinearLayoutManager(context));

}

Answer 1

Pass the context of MainActivity to your class/fragment in the class constructor and use it call the MainActivity methods whenever your boolean variable is changed

if(booleanChanged){
((MainActivity) context).RefreshView();
}