DialogFragm

package com.example.hoa.dialog;

import android.app.DialogFragment;
import android.app.FragmentManager;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageButton;
import android.widget.TextView;


public class DialogFragm extends DialogFragment {

    private static final String TAG = "DialogFragm";

    public interface OnInputListner{
        void sendInput(String Input);
    }
    public OnInputListner mOnInputListner;

    ImageButton event1;
    ImageButton event2;
    ImageButton event3;
    ImageButton event4;
    String type ;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this
        View v = inflater.inflate(R.layout.fragment_dialog, container, false);

        event1 = (ImageButton)v.findViewById(R.id.imageButton);
        event1.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {

                type = "道路施工";

                FragmentManager newFragment = getFragmentManager();
                Dialog2 myDialog = new Dialog2();
                //Dialog2 myDialog = (Dialog2) getActivity().getFragmentManager().findFragmentByTag("Dialog2");

                mOnInputListner.sendInput(type);
                myDialog.show(newFragment,"Dialog2");
                getDialog().dismiss();
            }
        });

        event2 = (ImageButton)v.findViewById(R.id.imageButton2);
        event3 = (ImageButton)v.findViewById(R.id.imageButton3);
        event4 = (ImageButton)v.findViewById(R.id.imageButton4);

        return v;
    }


    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        try{
            mOnInputListner = (OnInputListner)getTargetFragment() ;
        }catch(ClassCastException e){
        }
    }

}