Question

我有一个带有ViewPager的MotionLayout。在ViewPager托管的一个片段中，我有一个垂直RecyclerView和两个水平RecyclerView。垂直滚动效果很好，但是，当我尝试在内部RecyclerViews上水平滚动时，效果并不理想。它似乎尝试垂直滚动（问题的视频：https://youtu.be/94rQ5Qkr2ew）我怀疑这与我使用的视图组合有关，但我不确定如何解决或确定它找出问题所在。我已经在内部（水平）RecyclerView上尝试过此方法，但似乎没有太大区别：

recyclerView.setOnTouchListener((v, event) -> {
        int action = event.getAction();
        View
        switch (action) {
            case MotionEvent.ACTION_CANCEL:
                v.getParent().requestDisallowInterceptTouchEvent(false);
            case MotionEvent.ACTION_UP:
                v.getParent().requestDisallowInterceptTouchEvent(false);
            case MotionEvent.ACTION_MOVE:
                v.getParent().requestDisallowInterceptTouchEvent(true);
                break;
        }
        return false;
    });

这是MotionLayout容器的布局文件：

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.motion.widget.MotionLayout android:id="@+id/container"
                                                      xmlns:app="http://schemas.android.com/apk/res-auto"
                                                      xmlns:tools="http://schemas.android.com/tools"
                                                      xmlns:android="http://schemas.android.com/apk/res/android"
                                                      android:layout_width="match_parent"
                                                      android:layout_height="match_parent"
                                                      android:orientation="vertical"
                                                      app:layoutDescription="@xml/motion_scene_home_tab">

    <com.github.florent37.shapeofview.shapes.DiagonalView
        android:id="@+id/header"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:elevation="@dimen/header_elevation_expanded"
        app:layout_constraintBottom_toTopOf="@+id/guideline"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:shape_diagonal_angle="@dimen/menu_header_angle"
        app:shape_diagonal_direction="left"
        app:shape_diagonal_position="bottom">

        <View
            android:id="@+id/background"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@color/redE64"/>
    </com.github.florent37.shapeofview.shapes.DiagonalView>

    <TextView
        android:id="@+id/toolbar_title"
        style="@style/title.white"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:ellipsize="end"
        android:gravity="center"
        android:maxLines="1"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        android:layout_marginTop="@dimen/status_bar_height"
        tools:text="Help Center Help Center Help Center "/>

    <com.google.android.material.tabs.TabLayout
        android:id="@+id/tabs_bar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@color/transparent"
        android:elevation="2dp"
        android:textAlignment="center"
        app:layout_constraintBottom_toTopOf="@id/guideline"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/toolbar_title"
        app:layout_constraintVertical_bias="0.0"
        app:tabBackground="@color/transparent"
        app:tabIndicatorColor="@color/white"
        app:tabSelectedTextColor="@color/white"
        app:tabTextColor="@color/white_50_percent"/>

    <androidx.viewpager.widget.ViewPager
        android:id="@+id/view_pager"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:elevation="1dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@id/view_pager_guideline"
        app:layout_constraintBottom_toBottomOf="parent"/>

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.35"/>

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/view_pager_guideline"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.18"/>

</androidx.constraintlayout.motion.widget.MotionLayout>

它使用以下运动场景：

<MotionScene xmlns:android="http://schemas.android.com/apk/res/android"
             xmlns:app="http://schemas.android.com/apk/res-auto">
    <Transition
        app:constraintSetEnd="@layout/fragment_home_end"
        app:constraintSetStart="@layout/fragment_home"
        app:duration="500">
        <OnSwipe
            app:dragDirection="dragUp"
            app:touchAnchorId="@id/view_pager"
            app:touchAnchorSide="top"/>
        <KeyFrameSet>
            <KeyAttribute
                android:elevation="0dp"
                app:framePosition="0"
                app:target="@id/header"/>
            <KeyAttribute
                android:elevation="0dp"
                app:framePosition="90"
                app:target="@id/header"/>
            <KeyAttribute
                android:elevation="@dimen/schedule_header_elevation_collapsed"
                app:framePosition="100"
                app:target="@id/header"/>

            <KeyAttribute
                android:elevation="0dp"
                app:framePosition="0"
                app:target="@id/toolbar"/>
            <KeyAttribute
                android:elevation="0dp"
                app:framePosition="90"
                app:target="@id/toolbar"/>
            <KeyAttribute
                android:elevation="@dimen/schedule_header_elevation_collapsed"
                app:framePosition="100"
                app:target="@id/toolbar"/>

            <KeyAttribute
                android:elevation="0dp"
                app:framePosition="0"
                app:target="@id/tabs_bar"/>
            <KeyAttribute
                android:elevation="0dp"
                app:framePosition="90"
                app:target="@id/tabs_bar"/>
            <KeyAttribute
                android:elevation="@dimen/schedule_header_elevation_collapsed"
                app:framePosition="100"
                app:target="@id/tabs_bar"/>


            <KeyAttribute
                android:alpha="1"
                app:framePosition="0"
                app:target="@id/toolbar_title"/>

            <KeyAttribute
                android:alpha="0"
                app:framePosition="100"
                app:target="@id/toolbar_title"/>
        </KeyFrameSet>
    </Transition>
</MotionScene>

您知道如何解决此问题吗？或至少可以改善它？

Answer 1

您可以尝试此组件 https://gist.github.com/Veeyikpong/aec06cfaf66dfcad427a47654953cd7d

样品用量

只需将此组件用作XML的常规回收视图，就可以像这样：

Select   COUNT(ValuableCode)
   INTO      L_COUNTCURS1
   From      TSTSHMA.CTStampCurrentEntity, TSTSHMA.CTTPValuable
   Where     TypeCode   =   PI_VALUABLECODE     
   and       Branch = PI_Branch             
   and       StatusX = 1                
   and       Amount <= L_Amount  

-- WHILE loop

SET L_COUNTER = 1;
   WHILE L_COUNTER <= L_COUNTCURS1 DO

          If ((PI_StampAmnt <= (L_AmountCUR * L_StampCurrentEntityCUR))
          And (Mod(PI_StampAmnt , L_AmountCUR) = 0 ))   Then

         Set    PO_ValuableCode =   L_ValuableCodeCUR;
         Set    PO_StampCount   =   PI_StampAmnt    /L_AmountCUR;

      End IF;

      FETCH CURSOR1 INTO L_ValuableCodeCUR ,
                      L_StampCurrentEntityCUR,
                      L_AmountCUR;  

      SET L_COUNTER = L_COUNTER + 1; 
      SET L_SQLCODE = 0; 
END WHILE;

你很好！如果可行，请标记为答案：）

Answer 2

赋予 nestadscrollingenabled = false 到xml中的水平recyclerview

卧式和立式Recyclerview中的滚动问题

2 个答案: