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升級到ios11 在調用系統相冊的時候出現崩潰 調用相機不崩潰提示錯誤為：Only RGBA or White color spaces are...
走馬燈 NSString *str = @"人生若只如初見，何事秋風悲畫扇。"; self.scrollLabel = [[UILabel al...
1.首先在plist文件中添加一key值:View controller-based status bar appearance設置為NO 2....
復制粘貼為英文改info.plist
//截取字符串 -(NSString*)cutString:(NSString*)str { NSMutableString*c = [[NSM...
//得到字節數函數 - (int)stringConvertToInt:(NSString*)strtemp { intstrlength =0...
[[NSNotificationCenterdefaultCenter]addObserver:self selector:@selector(...
在b控制器中加入 self.navigationController.interactivePopGestureRecognizer.deleg...