我有一个由工具栏和视图寻呼机组成的活动。其布局如下:
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingTop="112dp"
android:layout_gravity="bottom"
tools:context=".Rhino68PanelActivity" />
<LinearLayout
android:id="@+id/toolbarContainer"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<include
android:id="@+id/app_bar"
layout="@layout/app_bar" />
<include
android:id="@+id/tap_strip"
layout="@layout/tab_strip" />
</LinearLayout>
然后我将两个片段加载到视图寻呼机中。每个片段都包含自己的SwipeRefreshLayout
。我将展示一个片段布局:
<android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/swipe_refresh_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:weightSum="12"
tools:context=".Rhino68PanelActivity$DummySectionFragment">
...
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView_panel_status"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:clipToPadding="false" />
</LinearLayout>
现在,当我运行活动时,它似乎有效。但是我注意到我是水平滑动(即转到下一个标签)。它会触发swipeRefreshLayout
OnRefreshListener
mSwipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
mSwipeRefreshLayout.setRefreshing(true);
DoUpdate();
}
});
当我尝试刷新时,我也会遇到奇怪的视觉行为。装载标志(旋转圆圈)通常不显示,有时会显示但仍然很小。我不确定这是否也是导致两种观点相互冲突的原因。
有什么方法可以解决这个问题。我不确定如何。也许通过将SwipeRefreshLayout限制为仅侦听垂直滑动?
任何建议都将不胜感激。
答案 0 :(得分:3)
我也有这个愚蠢的问题。它似乎是SwipeRefreshLayout
中的错误。作为一种解决方法,我必须在Fragment.onDestroyView()
方法中删除其所有子视图。
public SwipeRefreshLayout mSwipeRefreshLayout;
...
@Override public void onDestroyView() {
mSwipeRefreshLayout.removeAllViews();
super.onDestroyView();
}
答案 1 :(得分:1)
这是因为SwipeRefreshLayout中存在错误! 如果没有调用onMeasure,那么错误就是&#34; onRefresh无法正常工作&#34; 你应该像这样扩展SwipeRefreshLayout!
public class SwipeRefreshLoading extends SwipeRefreshLayout {
public SwipeRefreshLoading(Context context) {
super(context, null);
}
public SwipeRefreshLoading(Context context, AttributeSet attrs) {
super(context, attrs);
}
private boolean mMeasured = false;
private boolean mPreMeasureRefreshing = false;
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
if (!mMeasured) {
mMeasured = true;
setRefreshing(mPreMeasureRefreshing);
}
}
@Override
public void setRefreshing(boolean refreshing) {
if (mMeasured) {
super.setRefreshing(refreshing);
} else {
mPreMeasureRefreshing = refreshing;
}
}
}