ios學習筆記

actionsheet：

標頭檔案裡加協議。

- (ibaction)buttonpressed:(id)sender 

- (void)actionsheet:(uiactionsheet *)actionsheet
diddismisswithbuttonindex:(nsinteger)buttonindex
}

從plist裡讀資料【08 - sections】：

@property (strong, nonatomic) nsdictionary *names;

@property (strong, nonatomic) nsarray *keys;
nsstring *path = [[nsbundle mainbundle] pathforresource:@"sortednames"
oftype:@"plist"];
nsdictionary *dict = [[nsdictionary alloc]
initwithcontentsoffile:path];
self.names = dict;
nsarray *array = [[names allkeys] sortedarrayusingselector:
@selector(compare:)];
self.keys = array;

是否iphone5

#define iphone5 ([uiscreen instancesrespondtoselector:@selector(currentmode)] ? cgsizeequaltosize(cgsizemake(640, 1136), [[uiscreen mainscreen] currentmode].size) : no)

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