gettargetfrag

Activity
package com.example.dialogfragment;

import android.app.Activity;
import android.app.FragmentManager;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

//memo
//activyからdialogfragmentをよぶ方法。リスナーで

public class MainActivity extends Activity implements OnClickListener{
    Button button;
    FragmentManager manager;
    //android.support.v4.app.FragmentManager manager;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        manager = getFragmentManager(); 
        button = (Button) findViewById(R.id.button1);
        button.setOnClickListener(this);       
/*        Fragment01 frag = new Fragment01();
        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
        ft.add(R.id.main, frag, "Fragment01");
        ft.commit();*/
    }
   
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.button1:
                // 以前ゴチャゴチャやってたけどもっとシンプルに書けました。考慮不足で申し訳ありません！
                CommonDialogFragment newFragment = CommonDialogFragment.newInstance(
                        "title", "this is message");
                //CommonDialogFragment newFragment =new CommonDialogFragment();
                //newFragment.setDialogListener(this);
               
                String[] Iteams={"test1","test2","test3","test4","test5"};
                newFragment.setIteams(Iteams);
                newFragment.show(manager, "CommonDialogFragment");

                break;

            default:
                break;
        }
    }
   


    public void onPositiveClick() {
        //Toast.makeText(this, "ok ボタンが押された", Toast.LENGTH_SHORT).show();
    }


    public void onNegativeClick() {
        //Toast.makeText(this, "cancel ボタンが押された", Toast.LENGTH_SHORT).show();
    }
}

com.java
package com.example.dialogfragment;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;
//import android.support.v4.app.DialogFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class CommonDialogFragment extends DialogFragment implements OnClickListener{
private Button findbutton ;
private TextView textView1 ;
private String[] Iteams;
private MainActivity activity = (MainActivity) getActivity();

    public static CommonDialogFragment newInstance(String title, String message) {
        CommonDialogFragment frag = new CommonDialogFragment();
        Bundle bundle = new Bundle();
        bundle.putString("title", title);
        bundle.putString("message", message);
        frag.setArguments(bundle);

        return frag;
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
       
        String title = getArguments().getString("title");
        String message = getArguments().getString("message");
        LayoutInflater inflater = LayoutInflater.from(getActivity());
        View createdialog = inflater.inflate(R.layout.createdialog, null);
        findbutton = (Button)createdialog.findViewById(R.id.findbutton);
        findbutton.setOnClickListener(this);
        textView1 = (TextView)createdialog.findViewById(R.id.textView1);

       
        return new AlertDialog.Builder(getActivity())
                .setIcon(R.drawable.ic_launcher)
                .setTitle(title)
                .setMessage(message)
                .setView(createdialog)
                .setPositiveButton(android.R.string.ok,
                        new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int whichButton) {
                                activity.onPositiveClick();
                                dismiss();
                            }
                        }
                )
                .setNegativeButton(android.R.string.cancel,
                        new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int whichButton) {
                                activity.onNegativeClick();
                                dismiss();
                            }
                        }
                )
                .create();
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    /**
     * リスナーを追加する
     *
     * @param listener
     */
/*    public void setDialogListener(DialogListener listener) {
        this.listener = listener;
    }

    *//**
     * リスナーを削除する
     *//*
    public void removeDialogListener() {
        this.listener = null;
    }
    */
    public void setIteams(String[] Iteams) {
        this.Iteams = Iteams;
    }
    @Override
    public void onClick(View arg0) {
        SelectDialogFragment newFragment = SelectDialogFragment.newInstance(
                "title", "this is message");
        newFragment.setTargetFragment(this, 0);
        //newFragment.setDialogListener(this);
        newFragment.show(getActivity().getFragmentManager(), "CommonDialogFragment");

       
    }

    public void onSetIteam(int whichButton) {
       
        //   Toast.makeText( getActivity(), Integer.toString(whichButton), Toast.LENGTH_SHORT ).show();
        textView1.setText((Iteams[whichButton]));
       
    }
}

sel.java
package com.example.dialogfragment;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
//import android.support.v4.app.DialogFragment;
import android.app.DialogFragment;

public class SelectDialogFragment extends DialogFragment implements DialogInterface.OnClickListener{
       //private comDialogListener listener = null;
    private MainActivity activity = (MainActivity) getActivity();
   
        public static SelectDialogFragment newInstance(String title, String message) {
            SelectDialogFragment frag = new SelectDialogFragment();
            Bundle bundle = new Bundle();
            bundle.putString("title", title);
            bundle.putString("message", message);
            frag.setArguments(bundle);
            return frag;
        }

        @Override
        public Dialog onCreateDialog(Bundle savedInstanceState) {

            String title = getArguments().getString("title");
            String message = getArguments().getString("message");
            final CharSequence[] items = {"item1", "item2", "item3"};
            return new AlertDialog.Builder(getActivity())
                    //.setIcon(R.drawable.ic_launcher)
                    //.setTitle(title)
                    //.setMessage(message)
/*                    .setPositiveButton(android.R.string.ok,
                            new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int whichButton) {
                                    listener.onSelectClick();
                                    dismiss();
                                }
                            }
                    )*/
/*                    .setNegativeButton(android.R.string.cancel,
                            new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int whichButton) {
                                    //listener.onNegativeClick();
                                    dismiss();
                                }
                            }
                    )*/
/*                    .setItems(
                            items,
                            new DialogInterface.OnClickListener() {
                                public void onClick(DialogInterface dialog, int which) {
                                    // リスト選択時の処理
                                    // which は、選択されたアイテムのインデックス
                                }
                            })*/
                    .setItems(items,this)
                    .create();
        }

        /**
         * リスナーを追加する
         *
         * @param listener
         */
/*        public void setDialogListener(comDialogListener listener) {
            this.listener = listener;
        }

        *//**
         * リスナーを削除する
         *//*
        public void removeDialogListener() {
            this.listener = null;
        }*/

        @Override
        public void onClick(DialogInterface dialog, int whichButton) {
            CommonDialogFragment cdf = (CommonDialogFragment)getTargetFragment();
            cdf.onSetIteam(whichButton);
           
        }
}