From 0a33ce6ddd73f724c7124afb9cc15f4d08534313 Mon Sep 17 00:00:00 2001
From: qiang <guoshengqiang@live.com>
Date: Thu, 26 Sep 2019 18:56:46 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20App=E7=AB=AF=E5=A2=9E=E5=8A=A0=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95=20uni.onTabBarMidButtonTap?=
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---
 lib/apis.js                                   |  5 +++--
 src/core/runtime/todo.js                      |  7 ++++---
 src/core/service/api/ui/tab-bar.js            | 19 ++++++++++++++++++-
 .../app-plus/service/framework/tab-bar.js     |  4 ++++
 4 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/lib/apis.js b/lib/apis.js
index dc6fb851f8..042a2ec8b2 100644
--- a/lib/apis.js
+++ b/lib/apis.js
@@ -115,7 +115,7 @@ const device = [
 ]
 
 const keyboard = [
-  'hideKeyboard',
+  'hideKeyboard',
   'onKeyboardHeightChange'
 ]
 
@@ -138,6 +138,7 @@ const ui = [
   'removeTabBarBadge',
   'showTabBarRedDot',
   'hideTabBarRedDot',
+  'onTabBarMidButtonTap',
   'setBackgroundColor',
   'setBackgroundTextStyle',
   'createAnimation',
@@ -209,4 +210,4 @@ const apis = [
   ...third
 ]
 
-module.exports = apis
+module.exports = apis
diff --git a/src/core/runtime/todo.js b/src/core/runtime/todo.js
index 1e8d2349b9..90cbcb3c40 100644
--- a/src/core/runtime/todo.js
+++ b/src/core/runtime/todo.js
@@ -1,10 +1,11 @@
 import {
   isFn
-} from 'uni-shared'
-
+} from 'uni-shared'
+
 const todoApis = Object.create(null)
 
 const TODOS = [
+  'onTabBarMidButtonTap',
   'subscribePush',
   'unsubscribePush',
   'onPush',
@@ -29,4 +30,4 @@ TODOS.forEach(function (name) {
   todoApis[name] = createTodoApi(name)
 })
 
-export default todoApis
+export default todoApis
diff --git a/src/core/service/api/ui/tab-bar.js b/src/core/service/api/ui/tab-bar.js
index b7728006fb..1d6a0d5c15 100644
--- a/src/core/service/api/ui/tab-bar.js
+++ b/src/core/service/api/ui/tab-bar.js
@@ -1,7 +1,12 @@
 import {
+  onMethod,
   invokeMethod
 } from '../../platform'
 
+import {
+  invoke
+} from 'uni-core/service/bridge'
+
 export function removeTabBarBadge ({
   index
 }) {
@@ -20,4 +25,16 @@ export function showTabBarRedDot ({
   })
 }
 
-export const hideTabBarRedDot = removeTabBarBadge
+export const hideTabBarRedDot = removeTabBarBadge
+
+const callbacks = []
+
+onMethod('onTabBarMidButtonTap', res => {
+  callbacks.forEach(callbackId => {
+    invoke(callbackId, res)
+  })
+})
+
+export function onTabBarMidButtonTap (callbackId) {
+  callbacks.push(callbackId)
+}
diff --git a/src/platforms/app-plus/service/framework/tab-bar.js b/src/platforms/app-plus/service/framework/tab-bar.js
index 2ef4f35106..6cae39b11f 100644
--- a/src/platforms/app-plus/service/framework/tab-bar.js
+++ b/src/platforms/app-plus/service/framework/tab-bar.js
@@ -3,6 +3,7 @@ import {
 } from '../api/util'
 
 import {
+  publish,
   requireNativePlugin
 } from '../bridge'
 
@@ -102,6 +103,9 @@ export default {
     tabBar && tabBar.onClick(({ index }) => {
       clickCallback(config.list[index], index, true)
     })
+    tabBar && tabBar.onMidButtonClick(() => {
+      publish('onTabBarMidButtonTap', {})
+    })
   },
   switchTab (page) {
     const itemLength = config.list.length
-- 
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