ios specific

App.js

@@ -76,6 +76,10 @@ async function showConfirmVsCancelPromiseDialog(msg, leftTip, rightTip) {
 //   }
 // }
 
+function onRegionChange(event) {
+  console.log(event.region.latitude, event.region.longitue)
+}
+
 const App = () => {
   var index = 0;
   const region = {
@@ -84,6 +88,8 @@ const App = () => {
     latitudeDelta: 0.1,
     longitudeDelta: 0.1,
   };
+
+  
   return (
     <>
       <StatusBar barStyle="dark-content" />
@@ -98,7 +104,7 @@ const App = () => {
           )}
           <View style={styles.buttonContainer}>
             <CustomerView style={{height: 80}}/>
-            <MapView region={region} zoomEnabled={false} style={{ flex: 1, height: 200}} />
+            <MapView region={region} zoomEnabled={false} onRegionChange={this.onRegionChange} style={{ flex: 1, height: 200}} />
           </View>
           <View style={styles.body}>
             <View style={styles.buttonContainer}>
@@ -153,8 +159,7 @@ const App = () => {
                     //   console.log("你点击了确定，结果为：" + result);
                     // }, true, "你点击了按钮222！", "确定");
                   } else {
-                    Alert.alert("ios undefine");
-                    
+                    NativeModules.ToastManager.showToast("iOS toast");
                   }
                 }}
                 title="单按钮提示框"

CustomerView.js

@@ -99,8 +99,8 @@ export default class CustomerView extends React.Component {
             });
         } else {
             const alertEmitter = new NativeEventEmitter(NativeModules.AlertManager)
-            this.subscription = alertEmitter.addListener('msg', (a) => {
-                console.log("你收到事件" + a.test);
+            this.subscription = alertEmitter.addListener('AlertEvent', (a) => {
+                console.log("你收到事件:" + a.btnTitle);
             });
         }
     }

ios @ 6cab4d44

-Subproject commit 068d46e210861b0b45160b9696df3031527cd46d
+Subproject commit 6cab4d4445022494b380f0f3bb6e29356b508d94

package.json

@@ -7,7 +7,8 @@
     "ios": "react-native run-ios",
     "start": "react-native start",
     "test": "jest",
-    "lint": "eslint ."
+    "lint": "eslint .",
+    "bundle-ios": "node node_modules/react-native/local-cli/cli.js bundle --entry-file index.js --platform ios --dev false --bundle-output ./ios/bundle/main.jsbundle --assets-dest ./ios/bundle"
   },
   "dependencies": {
     "bufferutil": "^4.0.1",