viewpager2与SwipeRefreshLayout的交互 [英] viewpager2 interaction with SwipeRefreshLayout

问题描述

我有4个片段的viewpager2.其中3个具有SwipeRefreshLayout来刷新特定片段中的异步任务数据.

I have viewpager2 with 4 fragments. 3 of them have SwipeRefreshLayout to refresh async task data in particular fragments.

使用SwipeRefreshLayout和viewpager2时，手势有些冲突.IE.向下滑动刷新以使屏幕如此敏感，向左或向右移动一点也可以使页面屏幕发生变化，刷新图标被冻结或过程未完成.

When using SwipeRefreshLayout and viewpager2 the gestures are somehow conflicting. ie. swype down to refresh makes screen so sensitive, that a little move to left or right also makes page screen change and refresh icon is freezing or the processis unfinished.

我的目标是使手势独立，例如，当我开始向下滑动Swip​​eRefreshLayout时，vp2被禁用，因此不会干扰SRL.

my goal is to make gestures independent, so for example when i start to swype down SwipeRefreshLayout, then vp2 is disabled so it it is not interfere with SRL.

在将标准viewpager与SwipeRefreshLayout一起使用时，这没有发生，手势没有冲突，但是我需要在VP2中使用"setUserInputEnabled".任何想法如何减轻这种行为，我应该在SwipeRefreshLayout级别还是在viepager2代码中减轻它?

This was not happening when using standard viewpager with SwipeRefreshLayout, gestures were not conflicting, but I need to use "setUserInputEnabled" in VP2. any idea how to mitigate this behaviour and should i mitigate it at SwipeRefreshLayout level or within viepager2 code?

推荐答案

当我添加到滚动视图时，问题似乎已解决:

It looks problem is resolved when I added to my scrollview:

android:nestedScrollingEnabled="true"

片段布局的最终​​代码如下:

Final code of the fragment layout then looks like this:

<?xml version="1.0" encoding="utf-8"?>
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/some_id"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/activity_background"
tools:context="some_fragment_name">

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:fillViewport="true"
    android:nestedScrollingEnabled="true" <<<<------ HERE the change
    android:id="@+id/some_id">

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/sensors_relative_layout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    tools:context="some_package_name">

    <TextView
        android:id="@+id/some_id"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:background="@android:color/white"
        android:gravity="center"
        android:textColor="@android:color/black"
        android:textStyle="bold"
        android:layout_marginTop="5sp"
        android:layout_marginLeft="5sp"
        android:layout_marginRight="5sp"
        android:textSize="20sp" />

...

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