feat:fix iOS UIImageView wrapcontent

demo/src/SliderDemo.ts

@@ -6,6 +6,8 @@ const imageUrls = [
     'http://f.hiphotos.baidu.com/image/pic/item/0e2442a7d933c8956c0e8eeadb1373f08202002a.jpg',
     'http://f.hiphotos.baidu.com/image/pic/item/b151f8198618367aa7f3cc7424738bd4b31ce525.jpg',
     'http://b.hiphotos.baidu.com/image/pic/item/0eb30f2442a7d9337119f7dba74bd11372f001e0.jpg',
+    'http://a.hiphotos.baidu.com/image/h%3D300/sign=b38f3fc35b0fd9f9bf175369152cd42b/9a504fc2d5628535bdaac29e9aef76c6a6ef63c2.jpg',
+    'http://h.hiphotos.baidu.com/image/pic/item/810a19d8bc3eb1354c94a704ac1ea8d3fd1f4439.jpg',
     'http://calonye.com/wp-content/uploads/2015/08/0-wx_fmtgiftpwebpwxfrom5wx_lazy1-9.gif',
     'http://hbimg.b0.upaiyun.com/ca29ea125b7f2d580f573e48eb594b1ef509757f34a08-m0hK45_fw658',
     'https://misc.aotu.io/ONE-SUNDAY/SteamEngine.png',
@@ -31,7 +33,7 @@ class SliderPanel extends Panel {
                 renderPage: (idx) => {
                     return slideItem(image({
                         imageUrl: imageUrls[idx % imageUrls.length],
-                        layoutConfig: layoutConfig().wrap().a(gravity().center()),
+                        layoutConfig: layoutConfig().w(LayoutSpec.WRAP_CONTENT).h(LayoutSpec.WRAP_CONTENT).a(gravity().center()),
                     })).also(it => {
                         let start = idx
                         it.onClick = () => {