ShowMsgActivity.java

package com.mingle.myapplication.activity;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.Window;
import android.view.WindowManager;

/**
 * Created by multimedia on 2016-05-22.
 */
public class ShowMsgActivity extends Activity{


    private AlertDialog mDialog = null;

    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND,
                WindowManager.LayoutParams.FLAG_BLUR_BEHIND);



        AlertDialog.Builder ab = new AlertDialog.Builder(this);
        ab.setTitle("전시장");

        ab.setCancelable(false);
        ab.setPositiveButton("확인", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface arg0, int arg1) {
                setDismiss(mDialog);
            }
        });

        ab.setNegativeButton("취소", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface arg0, int arg1) {
                setDismiss(mDialog);
            }
        });

        ab.show();



    }
    private void setDismiss(Dialog dialog){
        if(dialog != null && dialog.isShowing())
            dialog.dismiss();
    }
}