code push sync only works in wifi networks

Author: soliury

src/layouts/Utils.js

@@ -4,10 +4,9 @@ import React, {
 	StyleSheet,
 	Text,
 	StatusBar,
-	AppState
 } from 'react-native';
 import Toast from '../components/base/Toast';
-import codePush from "react-native-code-push";
+import * as codePushUtils from '../utils/codePushSync';
 import secretKey from '../testKey';
 
 
@@ -20,12 +19,7 @@ class Utils extends Component {
 		// 		actions.toast('登陆成功');
 		// 	});
 		// }
-		if (!__DEV__) {
-			codePush.sync();
-			AppState.addEventListener("change", (newState) => {
-				newState === "active" && codePush.sync();
-			});
-		}
+		codePushUtils.init();
 	}
 
 

src/utils/codePushSync.js

@@ -0,0 +1,31 @@
+import React, {
+	NetInfo,
+	AppState,
+	Platform
+} from 'react-native';
+import codePush from 'react-native-code-push';
+
+
+export function shouldSync() {
+	return NetInfo
+		.fetch()
+		.then((reach=> {
+			if (__DEV__) return false;
+			if (Platform.OS === 'ios') {
+				return reach === 'wifi';
+			}
+			else {
+				return ['WIFI', 'VPN'].indexOf(reach) > -1;
+			}
+		}));
+}
+
+
+export function init() {
+	shouldSync().done((shouldSync)=>shouldSync && codePush.sync());
+	AppState.addEventListener("change", (newState) => {
+		if (newState === "active") {
+			shouldSync().done((shouldSync)=>shouldSync && codePush.sync());
+		}
+	});
+}