Web/**Construct a Drawer by passing the activity to use for the generation * * @param activity current activity which will contain the drawer */ public DrawerBuilder(@NonNull Activity activity) { this.mRootView = (ViewGroup) activity. findViewById (android.R.id.content); this.mActivity = activity; this.mLayoutManager = new LinearLayoutManager(mActivity); ... WebJul 22, 2016 · Interface approach. You can also solve this problem using interface. 1) Create an interface. public interface ItemclickListerner{ public void startActivity(int index); }
android - null object reference on findViewById in Fragment
WebMar 26, 2024 · The Layout of your Fragment has nothing to do with the Layout of your Activity hence your getActivity().findViewById will fail.. In the onCreateView after inflating the Layout do the following:. Home = (TextView) v.findViewById(R.id.homename); Some coding style tips: Make your TextView's access private.When naming them start with … WebFeb 11, 2013 · You are doing two things wrong here: You cannot replace a fragment that is statically placed in an xml layout file. You should create a container (e.g. a FrameLayout) in the layout and then add the fragment programatically using FragmentTransaction.. FragmentTransaction.replace expects the id of the container that contains the fragment … krista\u0027s restaurant cornish me
android studio - Dudas con el traspaso de datos - Stack Overflow …
WebJun 4, 2015 · findViewById always requires a context to find the view. If you are calling this from a class which is extends the Activity class, you could just use findViewById, because Activity is the context.. When you are calling it from a class that extends fragment, you have to use getActivity().findViewById. In your case, since you are calling it in an adapter, … WebDec 20, 2010 · findViewById(android.R.id.content).getRootView() Also it was reported that on some devices you have to use . getWindow().getDecorView().findViewById(android.R.id.content) instead. Please note that as Booger reported, this may be behind navigation bar (with back button etc.) on some … WebJun 18, 2024 · There lies your problem. If your XML layout is inflated from the activity use getActivity().findViewById(R.id.FirstThem); If its inside the fragment layout, then use the view.findViewById(R.id.FirstThem); Code Example: map of 17th century