新增属性backgroundTextStyle动态设置下拉刷新loading雪花状样式。

pages.json

@@ -1866,7 +1866,8 @@
 		"navigationBarTextStyle": "@navigationBarTextStyle",
 		"navigationBarBackgroundColor": "@navigationBarBackgroundColor",
 		"backgroundColorContent": "@backgroundColorContent",
-		"backgroundColor": "@backgroundColor"
+		"backgroundColor": "@backgroundColor",
+    "backgroundTextStyle": "@backgroundTextStyle"
 	},
 	"tabBar": {
 		"color": "@tabBarColor",
@@ -2827,4 +2828,4 @@
 			]
 		}
 	]
-}
+}
\ No newline at end of file

theme.json

@@ -3,7 +3,8 @@
     "navigationBarTextStyle": "white",
     "navigationBarBackgroundColor": "#007AFF",
     "backgroundColorContent": "#efeff4",
-    "backgroundColor": "#efeff4",
+    "backgroundColor": "#efeff4",
+    "backgroundTextStyle": "dark",
 
     "tabBarColor": "#7A7E83",
     "tabBarSelectedColor": "#007AFF",
@@ -23,7 +24,8 @@
     "navigationBarTextStyle": "white",
     "navigationBarBackgroundColor": "#1F1F1F",
     "backgroundColor": "#1F1F1F",
-    "backgroundColorContent": "#646464",
+    "backgroundColorContent": "#646464",
+    "backgroundTextStyle": "light",
 
     "tabBarColor": "#cacaca",
     "tabBarSelectedColor": "#007AFF",