优化滑动冲突处理

donkingliang · Jul 6, 2020 · a50f514 · a50f514
1 parent 6b854eb
commit a50f514
Show file tree

Hide file tree

Showing 2 changed files with 50 additions and 6 deletions.
diff --git a/...croller/src/main/java/com/donkingliang/consecutivescroller/ConsecutiveScrollerLayout.java b/...croller/src/main/java/com/donkingliang/consecutivescroller/ConsecutiveScrollerLayout.java
@@ -547,15 +547,19 @@ public boolean dispatchTouchEvent(MotionEvent ev) {
                     mAdjustVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
                     int yVelocity = (int) mAdjustVelocityTracker.getYVelocity();
                     recycleAdjustVelocityTracker();
-                    boolean canScrollVerticallyChild = ScrollUtils.canScrollVertically(getTouchTarget(
-                            ScrollUtils.getRawX(this, ev, actionIndex), ScrollUtils.getRawY(this, ev, actionIndex)));
-                    if (SCROLL_ORIENTATION != SCROLL_VERTICAL && canScrollVerticallyChild && Math.abs(yVelocity) >= mMinimumVelocity) {
+                    int touchX = ScrollUtils.getRawX(this, ev, actionIndex);
+                    int touchY= ScrollUtils.getRawY(this, ev, actionIndex);
+                    boolean canScrollVerticallyChild = ScrollUtils.canScrollVertically(getTouchTarget(touchX, touchY));
+                    if (SCROLL_ORIENTATION != SCROLL_VERTICAL && canScrollVerticallyChild
+                            && Math.abs(yVelocity) >= mMinimumVelocity
+                            && !ScrollUtils.isHorizontalScroll(this,touchX,touchY)) {
                         //如果当前是横向滑动，但是触摸的控件可以垂直滑动，并且产生垂直滑动的fling事件，
                         // 为了不让这个控件垂直fling，把事件设置为MotionEvent.ACTION_CANCEL。
                         ev.setAction(MotionEvent.ACTION_CANCEL);
                     }
 
-                    if (SCROLL_ORIENTATION == SCROLL_NONE && isIntercept(ev) && Math.abs(yVelocity) >= mMinimumVelocity) {
+                    if (SCROLL_ORIENTATION == SCROLL_NONE && !ScrollUtils.isConsecutiveScrollParent(this)
+                            && isIntercept(ev) && Math.abs(yVelocity) >= mMinimumVelocity) {
                         fling(-yVelocity);
                     }
                 }
@@ -614,6 +618,10 @@ public boolean onInterceptTouchEvent(MotionEvent ev) {
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
 
+        if (ScrollUtils.isConsecutiveScrollParent(this)){
+            return false;
+        }
+
         MotionEvent vtev = MotionEvent.obtain(ev);
 
         if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {

diff --git a/consecutivescroller/src/main/java/com/donkingliang/consecutivescroller/ScrollUtils.java b/consecutivescroller/src/main/java/com/donkingliang/consecutivescroller/ScrollUtils.java
@@ -266,7 +266,7 @@ static View getScrolledView(View view) {
     }
 
     static boolean startInterceptRequestLayout(RecyclerView view) {
-        if ("InterceptRequestLayout".equals(view.getTag())){
+        if ("InterceptRequestLayout".equals(view.getTag())) {
             try {
                 Method method = RecyclerView.class.getDeclaredMethod("startInterceptRequestLayout");
                 method.setAccessible(true);
@@ -279,7 +279,7 @@ static boolean startInterceptRequestLayout(RecyclerView view) {
     }
 
     static void stopInterceptRequestLayout(RecyclerView view) {
-        if ("InterceptRequestLayout".equals(view.getTag())){
+        if ("InterceptRequestLayout".equals(view.getTag())) {
             try {
                 Method method = RecyclerView.class.getDeclaredMethod("stopInterceptRequestLayout", boolean.class);
                 method.setAccessible(true);
@@ -289,4 +289,40 @@ static void stopInterceptRequestLayout(RecyclerView view) {
         }
     }
 
+    /**
+     * 判断父级容器是否是isConsecutive：true.判断到最近的ConsecutiveScrollerLayout容器
+     * @param view
+     * @return
+     */
+    static boolean isConsecutiveScrollParent(View view) {
+        View child = view;
+        while (child.getParent() instanceof ViewGroup && !(child.getParent() instanceof ConsecutiveScrollerLayout)) {
+            child = (View) child.getParent();
+        }
+
+        if (child.getParent() instanceof ConsecutiveScrollerLayout) {
+            return isConsecutiveScrollerChild(child);
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * 判断当前触摸点下是否有view可以水平滑动
+     * @param rootView
+     * @param touchX
+     * @param touchY
+     * @return
+     */
+    static boolean isHorizontalScroll(View rootView, int touchX, int touchY) {
+        List<View> views = getTouchViews(rootView, touchX, touchY);
+        for (View view : views) {
+            if (view.canScrollHorizontally(1) || view.canScrollHorizontally(-1)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+
 }