From c66d608caac685541d4ef46126090561ead7c9cb Mon Sep 17 00:00:00 2001
From: Paul Gschwendtner <paulgschwendtner@gmail.com>
Date: Sat, 1 Sep 2018 17:49:33 +0200
Subject: [PATCH] fix(sort): indicator hint not showing up on mobile

* Due to the fact that the sort module uses the `(longpress)` event, the custom HammerJS gesture config needs to be provided.

Related to #12940
---
 src/material/sort/sort-module.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/material/sort/sort-module.ts b/src/material/sort/sort-module.ts
index dc8151dda729..735c3fa28cfb 100644
--- a/src/material/sort/sort-module.ts
+++ b/src/material/sort/sort-module.ts
@@ -7,6 +7,8 @@
  */
 
 import {NgModule} from '@angular/core';
+import {GestureConfig} from '@angular/material/core';
+import {HAMMER_GESTURE_CONFIG} from '@angular/platform-browser';
 import {MatSortHeader} from './sort-header';
 import {MatSort} from './sort';
 import {MAT_SORT_HEADER_INTL_PROVIDER} from './sort-header-intl';
@@ -17,6 +19,9 @@ import {CommonModule} from '@angular/common';
   imports: [CommonModule],
   exports: [MatSort, MatSortHeader],
   declarations: [MatSort, MatSortHeader],
-  providers: [MAT_SORT_HEADER_INTL_PROVIDER]
+  providers: [
+    MAT_SORT_HEADER_INTL_PROVIDER,
+    {provide: HAMMER_GESTURE_CONFIG, useClass: GestureConfig},
+  ]
 })
 export class MatSortModule {}