BrewAssistant

开发了一款专用于小规模家庭啤酒酿造的数据计算器。项目里面的计算公式是由其他人提供的

- (void)viewDidLoad {     [super viewDidLoad];     // Do any additional setup after loading the view.          [self setupNavBar]; } - (void)setupNavBar {     UIView *navView = [UIView new];     [self.view addSubview:navView];     [navView mas_makeConstraints:^(MASConstraintMaker *make) {         make.left.top.right.equalTo(navView.superview);         make.height.equalTo(@64);     }];     navView.backgroundColor = UIColorFromRGB(0x2A2725);     self.navView = navView;          UILabel *titleLabel = [UILabel new];     [navView addSubview:titleLabel];     [titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {         make.left.bottom.right.equalTo(titleLabel.superview);         make.height.equalTo(@44);     }];     titleLabel.textAlignment = NSTextAlignmentCenter;     titleLabel.font = [UIFont boldSystemFontOfSize:17];     titleLabel.textColor = [UIColor whiteColor];     self.titleLabel = titleLabel;          UIView *line = [UIView new];     [navView addSubview:line];     [line mas_makeConstraints:^(MASConstraintMaker *make) {         make.left.bottom.right.equalTo(line.superview);         make.height.equalTo(@1);     }];     line.backgroundColor = CommonMainFontColor;          if ([self needBackButton]) {         [self addBackBarItem];     } } - (BOOL)needBackButton {     return NO; } - (void)onClickBack {     [self.navigationController popViewControllerAnimated:YES]; } #pragma mark Bar item - (void)addBackBarItem {     UIView *backView = [UIView new];     [self.navView addSubview:backView];     [backView mas_makeConstraints:^(MASConstraintMaker *make) {         make.left.bottom.right.equalTo(backView.superview);         make.height.equalTo(@44);     }];          UIButton *backButton = [UIButton new];     [backView addSubview:backButton];     [backButton mas_makeConstraints:^(MASConstraintMaker *make) {         make.left.equalTo(backButton.superview).offset(0);         make.centerY.equalTo(backButton.superview);         make.size.mas_equalTo(CGSizeMake(44, 44));     }];     [backButton addTarget:self action:@selector(onClickBack) forControlEvents:UIControlEventTouchUpInside];     [backButton setImage:[UIImage imageNamed:@"MenubarBack"] forState:UIControlStateNormal];     [backButton setImage:[[UIImage imageNamed:@"MenubarBack"] imageByApplyingAlpha:0.2] forState:UIControlStateHighlighted]; } - (void)addLeftBarTitle:(NSString *)title target:(id)target sel:(SEL)sel {     CGSize size = multilineTextSize(title, [UIFont systemFontOfSize:16], CGSizeMake(MAXFLOAT, MAXFLOAT));          UIButton *leftButton = [UIButton new];     [self.navView addSubview:leftButton];     [leftButton mas_makeConstraints:^(MASConstraintMaker *make) {         make.left.bottom.equalTo(leftButton.superview);         make.height.equalTo(@44);         make.width.equalTo(@(size.width + 32));     }];     [leftButton setTitle:title forState:UIControlStateNormal];     [leftButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];     leftButton.titleLabel.font = [UIFont systemFontOfSize:16];     [leftButton addTarget:target action:sel forControlEvents:UIControlEventTouchUpInside]; } - (void)addRightBarTitle:(NSString *)title target:(id)target sel:(SEL)sel {     CGSize size = multilineTextSize(title, [UIFont systemFontOfSize:16], CGSizeMake(MAXFLOAT, MAXFLOAT));          UIButton *rightButton = [UIButton new];     [self.navView addSubview:rightButton];     [rightButton mas_makeConstraints:^(MASConstraintMaker *make) {         make.right.bottom.equalTo(rightButton.superview);         make.height.equalTo(@44);         make.width.equalTo(@(size.width + 32));     }];     [rightButton setTitle:title forState:UIControlStateNormal];     [rightButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];     rightButton.titleLabel.font = [UIFont systemFontOfSize:16];     [rightButton addTarget:target action:sel forControlEvents:UIControlEventTouchUpInside]; } #pragma mark Loading ... - (void)showLoadingViewWithTitle:(NSString *)title {     UIView *coverView = [UIView new];     [self.view addSubview:coverView];     [coverView mas_makeConstraints:^(MASConstraintMaker *make) {         make.edges.equalTo(coverView.superview).insets(UIEdgeInsetsMake(64, 0, 0, 0));     }];     self.loadingCoverView = coverView;          UIView *loadingView = [UIView new];     [coverView addSubview:loadingView];     [loadingView mas_makeConstraints:^(MASConstraintMaker *make) {         make.center.equalTo(loadingView.superview);         make.height.equalTo(@40);     }];     loadingView.backgroundColor = UIColorFromRGB(0xDDDDDD);     loadingView.layer.cornerRadius = 5.0;     loadingView.layer.masksToBounds = YES;          UIActivityIndicatorView *activityIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];     [loadingView addSubview:activityIndicator];     [activityIndicator mas_makeConstraints:^(MASConstraintMaker *make) {         make.centerY.equalTo(activityIndicator.superview);         make.left.equalTo(activityIndicator.superview).offset(kPadding);         make.size.mas_equalTo(CGSizeMake(30, 30));     }];     activityIndicator.hidesWhenStopped = YES;     self.activityIndicator = activityIndicator;          UILabel *loadingTitle = [UILabel new];     [loadingView addSubview:loadingTitle];     [loadingTitle mas_makeConstraints:^(MASConstraintMaker *make) {         make.centerY.equalTo(loadingTitle.superview);         make.left.equalTo(activityIndicator.mas_right).offset(kPadding);         make.right.equalTo(loadingTitle.superview).offset(-kPadding);     }];     loadingTitle.text = title;     loadingTitle.textColor = [UIColor blackColor];     loadingTitle.font = [UIFont systemFontOfSize:14];          [activityIndicator startAnimating]; } - (void)hideLoadingView {     [self performSelectorOnMainThread:@selector(removeLoadingView) withObject:nil waitUntilDone:NO]; } - (void)removeLoadingView {     [self.activityIndicator stopAnimating];     [self.loadingCoverView removeFromSuperview]; } - (void)setNavTitle:(NSString *)navTitle {     _navTitle = navTitle;          self.titleLabel.text = _navTitle; }

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