最近再做一個項目的時候,同時使用了SpringView以及CoordinatorLayout嵌套AppBarLayout的布局,在測試的時候,發現SpringView的是滑動事件與CoordinatorLayout中的滑動事件沖突。經過測試,發現可以用AppBarLayout的狀态來解決此問題。
xml布局為:
<com.gsitv.view.PullRefresh.SpringView
android:id="@+id/pullrefreshlayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.CoordinatorLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fitsSystemWindows="true"
android:orientation="vertical">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:contentScrim="#00000000"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:statusBarScrim="@color/white">
</android.support.design.widget.CollapsingToolbarLayout>
<android.support.v7.widget.RecyclerView
android:id="@+id/function_recycler"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:background="@color/white" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<android.support.v7.widget.RecyclerView
android:id="@+id/recommend_recycler"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</android.support.v7.widget.RecyclerView>
</android.support.v4.widget.NestedScrollView>
</android.support.design.widget.CoordinatorLayout>
</com.gsitv.view.PullRefresh.SpringView>
Java代碼為:
app_bar = (AppBarLayout) contentView.findViewById(R.id.appbar);
springView = (SpringView) contentView.findViewById(R.id.pullrefreshlayout);
springView.setType(SpringView.Type.FOLLOW);
springView.setListener(new SpringView.OnFreshListener() {
@Override
public void onRefresh() {
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
springView.onFinishFreshAndLoad();
}
}, 1000);
}
@Override
public void onLoadmore() {
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
springView.onFinishFreshAndLoad();
}
}, 1000);
}
});
springView.setHeader(new DefaultHeader(getActivity()));
app_bar.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener(){
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if(verticalOffset==0){
springView.setEnable(true);
}else {
springView.setEnable(false);
}
}
});
解決此問題的關鍵代碼便是。根據AppBarLayout的狀态來判斷SpringView的事件是true還是false,當AppBarLayout處于展開狀态時,SpringView的狀态設定為true,當AppBarLayout狀态為折疊或者正處于展開折疊的過程中時,将SpringView的狀态設定為false。即以下代碼:
app_bar.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener(){
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if(verticalOffset==0){
springView.setEnable(true);
}else {
springView.setEnable(false);
}
}
});