1.Cell左滑自定义按钮:
#pragma mark - 编辑左滑删除 - (void)layoutSubviews { [super layoutSubviews]; for (UIView *subview in self.subviews) { if ([subview isKindOfClass:NSClassFromString(@"UITableViewCellDeleteConfirmationView")]) { UIButton *deleteButton = subview.subviews[0]; deleteButton.backgroundColor = [UIColor whiteColor]; [deleteButton.titleLabel setFont:[UIFont fontWithName:@"SFUIText-Regular" size:12.0]]; [deleteButton setImage:[UIImage imageNamed:@"mine_collection_delete_icon"] forState:UIControlStateNormal]; [deleteButton setTitle:@" " forState:UIControlStateNormal]; [self centerImageAndTextOnButton:deleteButton]; } } } - (void)centerImageAndTextOnButton:(UIButton*)button { // this is to center the image and text on button. // the space between the image and text CGFloat spacing = 35.0; // lower the text and push it left so it appears centered below the image CGSize imageSize = button.imageView.image.size; button.titleEdgeInsets = UIEdgeInsetsMake(0.0, - imageSize.width, - (imageSize.height + spacing), 0.0); // raise the image and push it right so it appears centered above the text CGSize titleSize = [button.titleLabel.text sizeWithAttributes:@{NSFontAttributeName: button.titleLabel.font}]; button.imageEdgeInsets = UIEdgeInsetsMake(-(titleSize.height + spacing - 20), -25, 0.0, - titleSize.width); // increase the content height to avoid clipping CGFloat edgeOffset = (titleSize.height - imageSize.height) / 2.0; button.contentEdgeInsets = UIEdgeInsetsMake(edgeOffset, 0.0, edgeOffset, 0.0); // move whole button down a little bit, this can be changed according to your own preference CGRect btnFrame = button.frame; btnFrame.origin.y = 18; button.frame = btnFrame; }
2.Slide的使用:
- (void)addSlider { self.mySlider = [[UISlider alloc]init]; //设置Slider的最大值和最小值 self.mySlider.minimumValue = 0; self.mySlider.maximumValue = self.myDataArray.count - 1; //设置Slider的初始值 self.mySlider.value = 0; [self.mySlider setMaximumTrackImage:[UIImage imageNamed:@"progress_right"] forState:UIControlStateNormal]; [self.mySlider setMinimumTrackImage:[UIImage imageNamed:@"progress_left"] forState:UIControlStateNormal]; [self.mySlider setThumbImage:[UIImage imageNamed:@"task_progress_bar_location_dot"] forState:UIControlStateNormal]; [self.mySlider setThumbImage:[UIImage imageNamed:@"task_progress_bar_location_dot"] forState:UIControlStateHighlighted]; //为UISlider添加事件方法 [self.mySlider addTarget:self action:@selector(sliderValueChanged:) forControlEvents:UIControlEventValueChanged]; //新建一个UILabel对象 [self.view addSubview:self.mySlider]; [self.mySlider mas_makeConstraints:^(MASConstraintMaker *make) { make.bottom.equalTo(self.view).offset(-10); make.left.equalTo(self.view).offset(55); make.right.equalTo(self.view).offset(-55); }]; [self addSliderLabel]; }