Android 弹窗提示 android 系统弹窗

AlertDialog.Builder builder = new AlertDialog.Builder(_context);
        builder.setTitle("温馨提示").setMessage("您的账户被锁定，请联系闭门！")
                .setPositiveButton("确定",
                        new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog,
                                                int which) {
                                // 不消失
                                try {
//                                    java.lang.reflect.Field field = dialog
//                                            .getClass().getSuperclass()
//                                            .getDeclaredField("mShowing");
//                                    field.setAccessible(true);
//                                    field.set(dialog, false);
                                    dialog.dismiss();

                                    /*****************************************/
                                    MobclickAgent.onKillProcess(MyApplication.mApp.context);
                                    Intent intent = new Intent(Intent.ACTION_MAIN);
                                    intent.addCategory(Intent.CATEGORY_HOME);
                                    _context.startActivity(intent);
                                    finishProcess();
                                    /*****************************************/

                                } catch (Exception e) {
                                    e.printStackTrace();
                                }
                            }
                        }).setCancelable(false).show();