Day8

1 延迟执行函数

[self performSelector:@selector(
                                            nextQuestion) withObject:nil afterDelay:0.5];

2 应用名称国际化

 （1）项目－》Project-Localozations-> + -> 简体中文

可以看到选择需要翻译的文件

/* Class = "UIButton"; normalTitle = "Button"; ObjectID = "2BG-gd-p0U"; */
"2BG-gd-p0U.normalTitle" = "Button";

/* Class = "UIButton"; normalTitle = "帮助"; ObjectID = "QP7-rm-9fl"; */
"QP7-rm-9fl.normalTitle" = "帮c助";

/* Class = "UIButton"; normalTitle = "1000"; ObjectID = "SLM-zq-Nu3"; */
"SLM-zq-Nu3.normalTitle" = "1000";

/* Class = "UIButton"; normalTitle = "下一题"; ObjectID = "Wch-1s-HSN"; */
"Wch-1s-HSN.normalTitle" = "下一题";

/* Class = "UIButton"; normalTitle = "大图"; ObjectID = "g1i-Um-lRB"; */
"g1i-Um-lRB.normalTitle" = "大图";

/* Class = "UIButton"; normalTitle = "提示"; ObjectID = "gfM-tK-q6V"; */
"gfM-tK-q6V.normalTitle" = "提示";

/* Class = "UILabel"; text = "1/10"; ObjectID = "ikI-P8-Bp7"; */
"ikI-P8-Bp7.text" = "1/10";

/* Class = "UILabel"; text = "喜剧大片"; ObjectID = "kCp-a9-uVx"; */
"kCp-a9-uVx.text" = "喜剧大片";

修改就ok了