袁凤鸣的博客 | Fleeming's Blog Front-end Dev Engineer

One line code handle empty list placeholder logic.

2019-01-16
袁凤鸣
iOS



GitHub Link :https://github.com/yfming93/FMListPlaceholder

platform
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cocoapods
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中文说明

A delightful Placeholder for List View (UITableView, UICollectionView).

One line code handle empty list placeholder logic.

0x001 Different From Other Similar:

  • Placeholders are not displayed at first time while you enter the list. The logic is processed when the list is refreshed again after network request is completed.
  • Simple, efficient and practical, one line code can be integrated;
  • Provide a more comprehensive and highly customized effect.
  • The default effect can be replaced with one line code. Set your own global default effects. You can also customize the effect again in a special list.
  • Support custom views as the placeholder.

0x002 Renderings

0x003 How to use

  • Use CocoaPods:
    • write pod "FMListPlaceholder" in the Podfile file.
    • Open terminal, cd the directory of project. run pod install.
    • Import the main file:#import <FMListPlaceholder.h>
  • Manual import:
    • Drag All files in the FMListPlaceholder folder to project.
    • Import the main file:#import "FMListPlaceholder.h"
One Line Use
_tableView.needPlaceholderView = YES;   //the same as UICollectionView

Or Use Below

Custom Global Default
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    
    [FMListPlaceholder fm_defaultBackgroundColor:UIColor.whiteColor coverName:@"xxx" tips:@"Sorroy,nil here!" tipsTextColor:UIColor.grayColor tipsFont:[UIFont systemFontOfSize:16] coverSize:CGSizeZero coverCenterYOffset:-30 coverSpaceToTips:10];

    return YES;
}

0x004 Custom

Custom One List
[_tableView fm_emptyCoverName:@"fm_placeholder_nil" emptyTips:@" "];
[_tableView fm_backgroundColor:[UIColor colorWithRed:0.91 green:0.90 blue:0.90 alpha:1.00] tipsTextColor:UIColor.redColor tipsFont:nil];
[_tableView fm_coverCenterYOffset:-80 coverSize:CGSizeMake(90, 120) coverSpaceToTips:20];
// the same as UICollectionView


Click Reload Handle
_tableView.reloadBlock = ^(UIScrollView *listView) {
  // Reload Handle is Here!
  // [listView.mj_header beginRefreshing]; // reloadData
};
Details (See the example program FMListPlaceholderExample for details)

0x005 Hope

  • If you have any questions during the process or want more interfaces to customize,you can issues me!
    Instead of giving me star, it is better to throw a bug to me!
  • If you want to participate in the maintenance of this project or have a good design style, welcome to pull request!
  • If you feel slightly discomfort in use, please contact me.
  • Hope to improve this project together, let it become more powerful, able to meet the needs of most users!

0x006 Change Log

2019.01.23 V1.1.0

  • [+] Support custom views as the placeholder;
  • [+] Added some usage examples

0x007 QQ Chat Room

0x008 Requirements

  • iOS 9.0 or later
  • Xcode 9.0 or later

0x009 Licenses

All source code is licensed under the MIT License.

MIT License

Copyright (c) 2019 Fleeming

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the “Software”), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.



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