udpate docs

Author: huangminlinux

documents/api.md

@@ -19,6 +19,7 @@
   * [setBadge](#setbadge)
   * [getBadge](#getbadge)
   * [setLocalNotification](#setlocalnotification)
+  * [getLaunchAppNotification](#getlaunchappnotification)
   * [点击推送启动应用事件](#open-notification-launch-app-event)
   * [网络成功登陆事件](#network-did-login-event)
 * [Android Only API](#android-only-api)
@@ -292,6 +293,22 @@ JPushModule.setLocalNotification(
 )
 ```
 
+#### getLaunchAppNotification
+
+点击推送启动应用的时候原生会将该 notification 缓存起来，该方法用于获取缓存的 notification。
+
+```javascript
+JPushModule.getLaunchAppNotification( notification => {
+  if (notification === undefined) {
+    // 说明应用不是通过点击通知启动的，是通过点击应用 icon
+  } else if (notification['aps'] === undefined) {
+    // 说明是 local notification
+  } else {
+    // 说明是 remote notification
+  }
+})
+```
+
 #### 点击推送启动应用事件
 
 **NOTE**: iOS 需要安装到 [email protected]+ 。

documents/api_en.md

@@ -19,6 +19,7 @@
   * [setBadge](#setbadge)
   * [getBadge](#getbadge)
   * [setLocalNotification](#setlocalnotification)
+  * [getLaunchAppNotification](#getlaunchappnotification)
   * [Open Notification Launch App Event](#open-notification-launch-app-event)
   * [Network Did Login Event](#network-did-login-event)
 * [Android Only API](#android-only-api)
@@ -263,6 +264,22 @@ JPushModule.setLocalNotification(
 )
 ```
 
+#### getLaunchAppNotification
+
+Get Launch app's notification, this function will get the launch notificatiton from cache .
+
+```javascript
+JPushModule.getLaunchAppNotification( notification => {
+  if (notification === undefined) {
+    // application was launch by tap app's icon
+  } else if (notification['aps'] === undefined) {
+    // application was launch by tap local notification
+  } else {
+    // application was launch by tap remote notification
+  }
+})
+```
+
 #### Open Notification Launch App Event
 
 **NOTE**: iOS need update to [email protected]+