Framework定制系列（二）-----Android多指滑屏相关功能解决方案

代码路径：frameworks/base/services/core/java/com/android/server/wm/DisplayPolicy.java

diff --git a/services/core/java/com/android/server/wm/DisplayPolicy.java b/services/core/java/com/android/server/wm/DisplayPolicy.java
index 2022gdc7658..u58jui987d0 111555
--- a/services/core/java/com/android/server/wm/DisplayPolicy.java
+++ b/services/core/java/com/android/server/wm/DisplayPolicy.java
@@ -536,6 +536,18 @@ public class DisplayPolicy {
                         }
                     }
 
+                    @Override
+                    public void onMorePointerSwipe() {
+                       // 多指滑动相关功能需求代码写这里（示例代码返回Laucher）。
+                       
+                        Log.d("ljx", "---------------------->onMor