ios 怎么用代码显示.svg 的矢量图

Question

ios 怎么用代码显示.svg 的矢量图

Answer 1

写一个控制器继承自UITabBarController，
在该控制器的ViewDidLoad方法中加入如下代码
// tabBarItem的图片名称
NSArray *images = @[@"tabBarItem_allTest_normal.png",@"tabBarItem_allTest_selected.png",@"tabBarItem_oneStation_normal.png",@"tabBarItem_oneStation_selected.png",@"tabBarItem_testResult_normal.png",@"tabBarItem_testResult_selected.png",@"tabBarItem_userCenter_normal.png",@"tabBarItem_userCenter_selected.png"];
for(int i= 0;i< 8;){
// 分别给tabBarItem设置图片，图片模式为源图片
UITabBarItem *item = [self.tabBar.items objectAtIndex:i/2];
UIImage *normalImage = [UIImage imageNamed:images[i+1]];
normalImage = [normalImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
UIImage *selectImage = [UIImage imageNamed:images[i]];
selectImage = [selectImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
[item setFinishedSelectedImage:normalImage
withFinishedUnselectedImage:selectImage];
i+=2;
}
// 设置tabbar的选中和未选中的字体颜色
[[UITabBarItem appearance] setTitleTextAttributes:@{
NSForegroundColorAttributeName:[UIColor lightGrayColor]
} forState:UIControlStateNormal];
[[UITabBarItem appearance] setTitleTextAttributes:@{
NSForegroundColorAttributeName:[UIColor lightGrayColor]
} forState:UIControlStateSelected];