iOS在狀態(tài)欄上顯示提醒信息的功能定制
先看效果圖
實現(xiàn)這個效果,用到了JDStatusBarNotification,這是一個易于使用和定制的在狀態(tài)欄上顯示提醒信息的控件,可自定義顏色、字體以及動畫,支持進(jìn)度條展示,并可以顯示活動指示器。
假設(shè)這么一個場景,需要調(diào)接口修改個人資料,這時有3個狀態(tài),正在修改、修改成功、修改失敗。我們可以寫一個公共類,方便調(diào)用,譬如 NSObject+Common。
.h文件寫方法
#import <Foundation/Foundation.h> @interface NSObject (Common) - (void)showStatusBarQueryStr:(NSString *)tipStr; - (void)showStatusBarSuccessStr:(NSString *)tipStr; //此方法在實際開發(fā)中調(diào)用,調(diào)接口失敗返回的error - (void)showStatusBarError:(NSError *)error; //... - (void)showStatusBarErrorStr:(NSString *)tipStr; @end
.m文件實現(xiàn)方法
#import "NSObject+Common.h" #import "JDStatusBarNotification.h" @implementation NSObject (Common) //error返回的tipStr - (NSString *)tipFromError:(NSError *)error { if (error && error.userInfo) { NSMutableString *tipStr = [[NSMutableString alloc] init]; if ([error.userInfo objectForKey:@"msg"]) { NSArray *msgArray = [[error.userInfo objectForKey:@"msg"] allValues]; NSUInteger num = [msgArray count]; for (int i = 0; i < num; i++) { NSString *msgStr = [msgArray objectAtIndex:i]; if (i+1 < num) { [tipStr appendString:[NSString stringWithFormat:@"%@\n", msgStr]]; }else{ [tipStr appendString:msgStr]; } } }else{ if ([error.userInfo objectForKey:@"NSLocalizedDescription"]) { tipStr = [error.userInfo objectForKey:@"NSLocalizedDescription"]; }else{ [tipStr appendFormat:@"ErrorCode%ld", (long)error.code]; } } return tipStr; } return nil; } - (void)showStatusBarQueryStr:(NSString *)tipStr { [JDStatusBarNotification showWithStatus:tipStr styleName:JDStatusBarStyleSuccess]; [JDStatusBarNotification showActivityIndicator:YES indicatorStyle:UIActivityIndicatorViewStyleWhite]; } - (void)showStatusBarSuccessStr:(NSString *)tipStr { if ([JDStatusBarNotification isVisible]) { dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ [JDStatusBarNotification showActivityIndicator:NO indicatorStyle:UIActivityIndicatorViewStyleWhite]; [JDStatusBarNotification showWithStatus:tipStr dismissAfter:1.5 styleName:JDStatusBarStyleSuccess]; }); }else{ [JDStatusBarNotification showActivityIndicator:NO indicatorStyle:UIActivityIndicatorViewStyleWhite]; [JDStatusBarNotification showWithStatus:tipStr dismissAfter:1.0 styleName:JDStatusBarStyleSuccess]; } } - (void)showStatusBarError:(NSError *)error { if ([JDStatusBarNotification isVisible]) { dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ [JDStatusBarNotification showActivityIndicator:NO indicatorStyle:UIActivityIndicatorViewStyleWhite]; [JDStatusBarNotification showWithStatus:[self tipFromError:error] dismissAfter:1.5 styleName:JDStatusBarStyleError]; }); }else{ [JDStatusBarNotification showActivityIndicator:NO indicatorStyle:UIActivityIndicatorViewStyleWhite]; [JDStatusBarNotification showWithStatus:[self tipFromError:error] dismissAfter:1.5 styleName:JDStatusBarStyleError]; } } - (void)showStatusBarErrorStr:(NSString *)tipStr { if ([JDStatusBarNotification isVisible]) { dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ [JDStatusBarNotification showActivityIndicator:NO indicatorStyle:UIActivityIndicatorViewStyleWhite]; [JDStatusBarNotification showWithStatus:tipStr dismissAfter:1.5 styleName:JDStatusBarStyleError]; }); }else{ [JDStatusBarNotification showActivityIndicator:NO indicatorStyle:UIActivityIndicatorViewStyleWhite]; [JDStatusBarNotification showWithStatus:tipStr dismissAfter:1.5 styleName:JDStatusBarStyleError]; } }
調(diào)用方法
[self showStatusBarQueryStr:@"正在修改個人信息"];
[self showStatusBarSuccessStr:@"個人信息修改成功"];
//[self showStatusBarError:error]; [self showStatusBarErrorStr:@"修改失敗"];
總結(jié)
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