Fix initialPage for Tabs

src/Utils/index.js

@@ -1,3 +1,4 @@
 import { ViewPropTypes } from "react-native";
+import InteractionManager from './interactionManager'
 
-export { ViewPropTypes };
+export { InteractionManager, ViewPropTypes }

src/Utils/interactionManager.js

@@ -0,0 +1,15 @@
+import { InteractionManager } from "react-native";
+export default {
+  ...InteractionManager,
+  runAfterInteractions:  f => {
+    // ensure f get called, timeout at 10ms
+    // @gre workaround https://github.com/facebook/react-native/issues/8624
+    let called = false;
+    const timeout = setTimeout(() => { called = true; f() }, 10);
+    InteractionManager.runAfterInteractions(() => {
+      if (called) return;
+      clearTimeout(timeout);
+      f();
+    });
+  }
+};

src/basic/Tabs/index.js

@@ -9,10 +9,9 @@ const {
   Animated,
   ScrollView,
   StyleSheet,
-  InteractionManager,
   Platform,
 } = ReactNative;
-import { ViewPropTypes } from "../../Utils";
+import { InteractionManager, ViewPropTypes } from "../../Utils";
 const TimerMixin = require("react-timer-mixin");
 import _ from "lodash";
 
@@ -66,14 +65,12 @@ const ScrollableTabView = createReactClass({
 
   componentDidMount() {
     const scrollFn = () => {
-      if (this.scrollView && Platform.OS === "android") {
+      if (this.scrollView) {
         const x = this.props.initialPage * this.state.containerWidth;
         this.scrollView.scrollTo({ x, animated: false });
       }
     };
-    this.setTimeout(() => {
-      InteractionManager.runAfterInteractions(scrollFn);
-    }, 0);
+    InteractionManager.runAfterInteractions(scrollFn);
   },
 
   componentWillReceiveProps(props) {