ImageView image = new ImageView(this);
        image.setImageResource(R.drawable.sincon);
        AlertDialog.Builder builder =
                new AlertDialog.Builder(this).
                        setMessage("").
                        setCancelable(true).
                        setPositiveButton("enviar", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                dialog.dismiss();
                            }
                        }).
                        setCancelable(true).
                        setPositiveButton("enviar", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                dialog.dismiss();
                            }
                        }).
                        setPositiveButton("Cerrar", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                dialog.dismiss();
                            }
                        }).
                        setView(image);
        builder.create().show();