android,UI,AlertDialog(3buttons)

AlertDialogExample1

package com.alertdialog;

import android.app.Activity;
import android.os.Bundle;
import android.widget.LinearLayout;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.view.View.OnClickListener;
import android.app.AlertDialog;
import android.content.DialogInterface;

public class AlertDialogTestActivity extends Activity {
    /** Called when the activity is first created. */
	private final int WRAP_CONTENT = ViewGroup.LayoutParams.WRAP_CONTENT;

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

        //DialogBuilder
        final AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("タイトル");
        builder.setMessage("メッセージ");

        //Dialog Buttonの記述
    	builder.setPositiveButton("肯定",
                new DialogInterface.OnClickListener(){
			public void onClick(DialogInterface dialog, int which) {
				// TODO 自動生成されたメソッド・スタブ

			}
    	});

    	builder.setNeutralButton("中立",
    			new DialogInterface.OnClickListener() {
					public void onClick(DialogInterface dialog, int which) {
						// TODO 自動生成されたメソッド・スタブ

					}
				});

    	builder.setNegativeButton("否定",
    			new DialogInterface.OnClickListener() {
					public void onClick(DialogInterface dialog, int which) {
						// TODO 自動生成されたメソッド・スタブ

					}
				});


        LinearLayout linearLayout = new LinearLayout(this);
        linearLayout.setOrientation(LinearLayout.VERTICAL);
        setContentView(linearLayout);

        final Button button = new Button(this);
        button.setText("Open Dialog");
        button.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {

            	//Dialog
                AlertDialog dialog = builder.create();
                dialog.show();
            }
        });
        linearLayout.addView(button,
          new LinearLayout.LayoutParams(WRAP_CONTENT, WRAP_CONTENT));
    }
}