优化 Overlay 更新通知

components/Overlay.js

@@ -2,8 +2,6 @@ import React, {PropTypes, Component} from 'react'
 import {
   View,
   UIManager,
-  Platform,
-  NativeModules,
   findNodeHandle,
   requireNativeComponent,
 } from 'react-native'
@@ -13,7 +11,7 @@ class Overlay extends Component {
     ...View.propTypes,
   }
 
-  componentDidUpdate() {
+  _update() {
     setTimeout(() => {
       UIManager.dispatchViewManagerCommand(
         findNodeHandle(this),
@@ -23,6 +21,9 @@ class Overlay extends Component {
     }, 0)
   }
 
+  componentDidUpdate = this._update
+  componentDidMount = this._update
+
   render() {
     return <AMapOverlay {...this.props}/>
   }

example/src/examples/marker.js

@@ -40,7 +40,6 @@ export default class MarkerExample extends Component {
       />
       <Marker
         icon='green'
-        infoWindowWidth={100}
         coordinate={{
           latitude: 39.806901,
           longitude: 116.297972,