小编mob*_*jug的帖子

例如,我的Podfile有

pod x
pod y
pod z

当我跑步时pod install,除了'x','y'和'z'之外,还会安装'a','b'和'c'.如果我想找出'a'来自哪里,(它来自'x'或'y'或'z',还是他们分享),我怎么知道？

这是代码片段

    self.xyzIcon = [UIImage mobileImageNamed:@"icon_xyz"];
    self.xyzIconImageView = [UIImageView new];
    [self.contentView addSubview:self.xyzIconImageView];

    [self.xyzIconImageView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(weakSelf.contentView.mas_left);
        make.width.equalTo(@(weakSelf.xyzIcon.size.width));
        make.height.equalTo(@(weakSelf.xyzIcon.size.height));
    }];

在视图控制器中,它使用tableview

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    if (!self.prototypeCell) {
        self.prototypeCell = [UITableViewCell new];
    }

    [self.prototypeCell configure];

    CGFloat heightCalculated = [self.prototypeCell.contentView systemLayoutSizeFittingSize:UILayoutFittingCompressedSize].height + 1.f;

    NSLog(@"Height calculated %f", heightCalculated);

    returns heightCalculated; 
}

这总是返回1.f. 请帮助,我不知道我在这里做错了什么.

这是我试过的代码片段:

[library    writeImageToSavedPhotosAlbum:self.checkInImage.CGImage metadata:self.metadata
            completionBlock             :^(NSURL * assetURL, NSError * error) {
        NSLog (@"Asset url = %@", assetURL);
         NSError *err;
        NSString *docDir = [NSSearchPathForDirectoriesInDomains (NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
        NSString *jpgFilePath = [NSString stringWithFormat:@"%@/test.jpg", docDir];
        NSFileManager *fileManager = [NSFileManager defaultManager];
                [fileManager moveItemAtURL:assetURL toURL:[NSURL URLWithString:jpgFilePath] error:&err];
                NSLog(@"error is %@", err);
    }];

我收到错误,因为错误域= NSCocoaErrorDomain Code = 262"操作无法完成.(Cocoa错误262.)"UserInfo = 0xb49a680 {NSURL = assets-library://asset/asset.JPG？id = 6FAC823A- 33CB-489B-A125-714FBA5F0EE8&EXT = JPG}

有任何想法吗？