Android SwipeRefreshLayout - 向下滑动以刷新但不向下移动视图下拉
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SwipeRefreshLayout - swipe down to refresh but not move the view pull down
提问by Jongz Puangput
Is it possible ?? as a Title said
是否可以 ？？正如标题所说
swipe down to refresh Layout but stick the Layout not move it down along swipe gusture
向下滑动以刷新布局但坚持布局而不是沿着滑动手势向下移动
Thank you - I'm using SwipeRefreshLayout
谢谢 - 我正在使用 SwipeRefreshLayout
回答by Cabezas
You try this way
你试试这个方法
listView.setOnScrollListener(new OnScrollListener() {
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
}
@Override
public void onScroll(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount) {
boolean enable = false;
if(listView != null && listView.getChildCount() > 0){
// check if the first item of the list is visible
boolean firstItemVisible = listView.getFirstVisiblePosition() == 0;
// check if the top of the first item is visible
boolean topOfFirstItemVisible = listView.getChildAt(0).getTop() == 0;
// enabling or disabling the refresh layout
enable = firstItemVisible && topOfFirstItemVisible;
}
swipeRefreshLayout.setEnabled(enable);
}});
This code doesn't work if listView has paddingTop
如果 listView 有 paddingTop，则此代码不起作用
回答by Jongz Puangput
After my trial and error, I found one solution from
经过反复试验，我找到了一个解决方案
http://www.dailydevbook.de/android-swiperefreshlayout-without-overscroll/
http://www.dailydevbook.de/android-swiperrefreshlayout-without-overscroll/
For people who can implement SwipeRefreshLayout, in order to achieve it
对于可以实现 SwipeRefreshLayout 的人，为了实现它
STEP 1: DOWNLOADandroid-support v4 (Open Source) from github
第 1步：从 github下载android-support v4（开源）
STEP 2: COPYfollowing java class to your project src
第 2步：将以下 java 类复制到您的项目 src
- SwipeRefreshLayout
- SwipeProgressBar
- BakedBezierInterpolator
- 滑动刷新布局
- 滑动进度条
- 烘焙贝塞尔插值器
note1- (Refactor SwipeRefreshLayout to mySwipeRefreshLayout to prevent confusing with original) note2- (Fix these classes and use the source from each other instead of v4)
note1-（将 SwipeRefreshLayout 重构为 mySwipeRefreshLayout 以防止与原始版本混淆） note2-（修复这些类并使用彼此的源而不是 v4）
STEP 3: UPDATE CODEuse
第 3步：更新代码使用
- mySwipeRefreshLayout instead of
- SwipeRefreshLayout
- mySwipeRefreshLayout而不是
- 滑动刷新布局
STEP 4: UPDATE LAYOUTuse
第 4步：更新布局使用
- com.yourpackage.mySwipeRefreshLaout instead of
- android.support.v4.widget.SwipeRefreshLayout
- com.yourpackage.mySwipeRefreshLaout而不是
- android.support.v4.widget.SwipeRefreshLayout
STEP 5: In your mySwipeRefreshLayout.java, find and changeto a following code
第 5 步：在您的 mySwipeRefreshLayout.java 中，找到并更改为以下代码
private void updateContentOffsetTop ( int targetTop) {
final int currentTop = mTarget.getTop ();
if (targetTop> mDistanceToTriggerSync) {
targetTop = ( int ) mDistanceToTriggerSync;
} else if (targetTop < 0 ) {
targetTop = 0 ;
}
// SetTargetOffsetTopAndBottom (targetTop - currentTop);
setTargetOffsetTopAndBottom ( 0 ); // MOD: Prevent Scroll Down Animation
}
回答by Alex Vasilkov
Thanks to Jongz Puangputfor the workaround, but I want to suggest another solution, that I find simplier.
感谢Jongz Puangput的解决方法，但我想建议另一种解决方案，我觉得更简单。
In order to prevent pull down of the SwipeRefreshLayout's child you can provide your own child view with overriden offsetTopAndBottommethod like this:
为了防止下拉 SwipeRefreshLayout 的子视图，您可以使用如下覆盖offsetTopAndBottom方法提供自己的子视图：
public class FixedRelativeLayout extends RelativeLayout {
...
@Override
public void offsetTopAndBottom(int offset) {
// Ignoring movement from SwipeRefreshLayout
super.offsetTopAndBottom(0);
}
}
That works for me, hope it'll help anybody.
这对我有用，希望它可以帮助任何人。
回答by Noman
I was also facing same issue. try this:
我也面临同样的问题。尝试这个：
guidesList.setOnScrollListener(new AbsListView.OnScrollListener() {
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
}
@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
int topRowVerticalPosition = (guidesList == null ||
guidesList.getChildCount() == 0) ? 0 : guidesList.getChildAt(0).getTop();
swipeContainer.setEnabled(firstVisibleItem == 0 && topRowVerticalPosition >= 0);
}
});
回答by Angga Ari Wijaya
You can find out the recycler view currently at the top and by knowing that you can disable or enable SwipeRefreshLayout, let me give an example
您可以找到当前位于顶部的回收器视图，并且知道您可以禁用或启用 SwipeRefreshLayout，让我举个例子
let's say you use linear layout manager or grid then you can find out the recycler position from there
假设您使用线性布局管理器或网格，然后您可以从那里找到回收站的位置
LinearLayoutManager mLayoutManager;
if (mColumnCount <= 1) {
mLayoutManager = new LinearLayoutManager(getBaseContext());
} else {
mLayoutManager = new GridLayoutManager(getBaseContext(), mColumnCount);
}
recyclerAdapter = new RecyclerViewAdapter(allData);
mRecycler.setAdapter(recyclerAdapter);
mRecycler.setLayoutManager(layoutManager);
if (mLayoutManager.findFirstCompletelyVisibleItemPosition() == 0) {
swipeRefreshLayout.setEnabled(true);
}
else{
swipeRefreshLayout.setEnabled(false);
}
so your recycler scroll will work fine and if reach the top the swipeRefreshLayout handle the refresh event...
所以你的回收器滚动会正常工作，如果到达顶部 swipeRefreshLayout 处理刷新事件......
