UISearchBar背景透明,去掉背景,自定义背景

  

   

    

     

    
    

     

      seachBar=[[UISearchBar alloc] init];
     
    
   

    

     

    
    

     

      //修改搜索框背景
     
    
   

    

     

    
    

     

      seachBar.backgroundColor=[UIColor clearColor];
     
    
   

    

     

    
    

     

      //去掉搜索框背景
     
    
   

    

     

    
    

     

      //1.
     
    
   

    

     

    
    

     

      [[searchbar.subviews objectAtIndex:0]removeFromSuperview];
     
    
   

    

     

    
    

     

      //2.
     
    
   

    

     

    
    

     

      for (UIView *subview in seachBar.subviews) 
     
    
   

    

     

    
    

     

      {  
     
    
   

    

     

    
    

     

      if ([subview isKindOfClass:NSClassFromString(@"UISearchBarBackground")])
     
    
   

    

     

    
    

     

      {  
     
    
   

    

     

    
    

     

      [subview removeFromSuperview];  
     
    
   

    

     

    
    

     

      break;  
     
    
   

    

     

    
    

     

      }  
     
    
   

    

     

    
    

     

      } 
     
    
   

    

     

    
    

     

      //3自定义背景
     
    
   

    

     

    
    

     

      UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"40-di.png"]];
     
    
   

    

     

    
    

     

          [mySearchBar insertSubview:imageView atIndex:1];
     
    
   

    

     

    
    

     

          [imageView release];
     
    
   

    

     

    
    

     

      //4输入搜索文字时隐藏搜索按钮，清空时显示
     
    
   

    

     

    
    

     

      - (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar {  
     
    
   

    

     

    
    

     

      searchBar.showsScopeBar = YES;  
     
    
   

    

     

    
    

     

      [searchBar sizeToFit];  
     
    
   

    

     

    
    

     

      [searchBar setShowsCancelButton:YES animated:YES];  
     
    
   

    

     

    
    

     

      return YES;  
     
    
   

    

     

    
    

     

      }  
     
    
   

    

     

    
    

     

      - (BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar {  
     
    
   

    

     

    
    

     

      searchBar.showsScopeBar = NO;  
     
    
   

    

     

    
    

     

      [searchBar sizeToFit];  
     
    
   

    

     

    
    

     

      [searchBar setShowsCancelButton:NO animated:YES];  
     
    
   

    

     

    
    

     

      return YES;  
     
    
   

    

     

    
    

     

      }  
     
    
   

    

     

    
    

     

      //改变搜索按钮文字
     
    
   

    

     

    
    

     

      //改变UISearchBar取消按钮字体
     
    
   

    

     

    
    

     

      for(id cc in [searchBar subviews])
     
    
   

    

     

    
    

     

          {
     
    
   

    

     

    
    

     

      if([cc isKindOfClass:[UIButton class]])
     
    
   

    

     

    
    

     

              {
     
    
   

    

     

    
    

     

                  UIButton *btn = (UIButton *)cc;
     
    
   

    

     

    
    

     

                  [btn setTitle:@"搜索"  forState:UIControlStateNormal];
     
    
   

    

     

    
    

     

              }
     
    
   

    

     

    
    

     

          }
     
    
  
 

  
 
 

文章来源: zzzili.blog.csdn.net，作者：清雨小竹，版权归原作者所有，如需转载，请联系作者。

原文链接：zzzili.blog.csdn.net/article/details/8745169