android - SwipeRefreshLayout的onRefresh的方法
本文介绍了android - SwipeRefreshLayout的onRefresh的方法的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
问 题
public class RvList extends BaseFragment {
private boolean isConnected;
public RecyclerView mRecyclerView;
private FloatingActionButton floatingActionButton;
private SwipeRefreshLayout swipeRefreshWidget;
private RvAdapter adapter;
@Override
protected View initView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view= inflater.inflate(R.layout.viewpager_rv, container, false);
mRecyclerView = (RecyclerView) view.findViewById(R.id.rv);
swipeRefreshWidget = (SwipeRefreshLayout) view.findViewById(R.id.swipe_refresh_widget);
swipeRefreshWidget.setColorSchemeResources(R.color.colorPrimaryDark, R.color.colorAccent,R.color.colorPrimary);//setColorSchemeResources():设置进度条的颜色主题,最多设置四种
floatingActionButton = (FloatingActionButton) view.findViewById(R.id.fab);//FloatingActionButton的Id
floatingActionButton.setOnClickListener(new View.OnClickListener() {//FAB的点击事件
@Override
public void onClick(View v) {
mRecyclerView.smoothScrollToPosition(0);
}
});
mRecyclerView.setLayoutManager(new LinearLayoutManager(mActivity,LinearLayoutManager.VERTICAL,false));
return view;
}
@Override
protected void initData() {
isConnected = Utility.checkNetworkConnection(mActivity);
adapter = new RvAdapter(mActivity);
swipeRefreshWidget.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
if (isConnected) {
new LoadNewsTask(adapter).execute();
Toast.makeText(mActivity, "刷新完成", Toast.LENGTH_SHORT).show();
swipeRefreshWidget.setRefreshing(false);
} else {
Utility.noNetworkAlert(mActivity);
swipeRefreshWidget.setRefreshing(false);//设置SwipeRefreshLayout当前是否处于刷新状态,一般是在请求数据的时候设置为true,在数据被加载到View中后,设置为false。
}
}
},1000);
}
});
/* if (isConnected) new LoadNewsTask(adapter).execute();
else Utility.noNetworkAlert(mActivity);*/
mRecyclerView.setAdapter(adapter);
}
}
注:initView
在onCreateView
中 initData
在onActivityCreated
当中
注释掉的那两句话
if (isConnected) new LoadNewsTask(adapter).execute();
else Utility.noNetworkAlert(mActivity);
之前可以完美允许
但是想添加个SwipeRefreshLayout进行下拉刷新后的加载 但是 Toast打印出来了就是加载不出来数据
请问有人知道什么缘故吗
解决方案
添加完数据之后调用adapter.notifyiteminserted()才能显示出来
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