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limxing / LFRecyclerView-Android

RecyclerView下拉刷新,上拉加载recyclerview
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老版本 viewpager兼容有问题，，LFRecyclerView.setAdapter 在切换fragment时observer 报空异常 #7

Open wpsmgkn opened 7 years ago

wpsmgkn commented 7 years ago

java.lang.IllegalArgumentException: The observer is null. at android.database.Observable.registerObserver(Observable.java:45) at android.support.v7.widget.RecyclerView$Adapter.registerAdapterDataObserver(RecyclerView.java:6492) at me.leefeng.lfrecyclerview.LFRecyclerView.setAdapter(LFRecyclerView.java:100)

limxing commented 7 years ago

我添加了一个判断，看看能满足你的需求不

@Override public void setAdapter(Adapter adapter) { this.adapter = adapter; if(observer==null) observer = new LFAdapterDataObserver(); adapter.registerAdapterDataObserver(observer);