У меня есть проект Navigation Drawer с несколькими фрагментами. В одном случае мне нужно вызвать фрагмент из другого фрагмента. Но я получаю ошибку ниже.
E / AndroidRuntime: FATAL EXCEPTION: main
Процесс: pe.soltec.yupay17, PID: 4404
java.lang.RuntimeException: pe.soltec.yupay17.MainActivity@acf9ed30 должен реализовывать OnFragmentInteractionListener
at pe.soltec.yupay17.PinkFragment.onAttach (PinkFragment.java:83)
на android.support.v4.app.FragmentManagerImpl.moveToState (FragmentManager.java:1404)
на android.support.v4.app.FragmentTransition.addToFirstInLastOut (FragmentTransition.java:1195)
на android.support.v4.app.FragmentTransition.calculateFragments (FragmentTransition.java:1078)
на android.support.v4.app.FragmentTransition.startTransitions (FragmentTransition.java:117)
на android.support.v4.app.FragmentManagerImpl.executeOpsTogether (FragmentManager.java:2408)
на android.support.v4.app.FragmentManagerImpl.removeRedundantOperationsAndExecute (FragmentManager.java:2366)
на android.support.v4.app.FragmentManagerImpl.execPendingActions (FragmentManager.java:2273)
на android.support.v4.app.FragmentManagerImpl $ 1.run (FragmentManager.java:733)
на android.os.Handler.handleCallback (Handler.java:733)
на android.os.Handler.dispatchMessage (Handler.java:95)
на android.os.Looper.loop (Looper.java:136)
на android.app.ActivityThread.main (ActivityThread.java:5017)
в java.lang.reflect.Method.invokeNative (родной метод)
в java.lang.reflect.Method.invoke (Method.java:515)
на com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run (ZygoteInit.java:779)
на com.android.internal.os.ZygoteInit.main (ZygoteInit.java:595)
at dalvik.system.NativeStart.main (собственный метод)
Я пытался назвать это так, как я называю фрагмент в основной деятельности.
getSupportFragmentManager().beginTransaction().replace(R.id.content_main,miFragment).commit();
package pe.soltec.yupay17;
import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.Toast;
public class RedFragment extends Fragment
implements PinkFragment.OnFragmentInteractionListener {
// TODO: Rename parameter arguments, choose names that match
// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
// TODO: Rename and change types of parameters
private String mParam1;
private String mParam2;
private OnFragmentInteractionListener mListener;
public RedFragment() {
// Required empty public constructor
}
/**
* Use this factory method to create a new instance of
* this fragment using the provided parameters.
*
* @param param1 Parameter 1.
* @param param2 Parameter 2.
* @return A new instance of fragment RedFragment.
*/
// TODO: Rename and change types and number of parameters
public static RedFragment newInstance(String param1, String param2) {
RedFragment fragment = new RedFragment();
Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_red, container, false);
}
// TODO: Rename method, update argument and hook method into UI event
public void onButtonPressed(Uri uri) {
if (mListener != null) {
mListener.onFragmentInteraction(uri);
}
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
if (context instanceof OnFragmentInteractionListener) {
mListener = (OnFragmentInteractionListener) context;
} else {
throw new RuntimeException(context.toString()
+ " must implement OnFragmentInteractionListener");
}
}
@Override
public void onDetach() {
super.onDetach();
mListener = null;
}
@Override
public void onFragmentInteraction(Uri uri) {
}
/**
* This interface must be implemented by activities that contain this
* fragment to allow an interaction in this fragment to be communicated
* to the activity and potentially other fragments contained in that
* activity.
* <p>
* See the Android Training lesson <a href=
* "http://developer.android.com/training/basics/fragments/communicating.html"
* >Communicating with Other Fragments</a> for more information.
*/
public interface OnFragmentInteractionListener {
// TODO: Update argument type and name
void onFragmentInteraction(Uri uri);
}
public void LlamarPink(View view){
// Toast.makeText(getActivity(), "You clicked on Item 1",
// Toast.LENGTH_LONG).show();
Fragment fragment2 = new PinkFragment();
FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.container, fragment2);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}
}
Я хочу показать новый фрагмент в content_main.