网络判断

private boolean hasNewWork(){

ConnectivityManager cm = (ConnectivityManager)this.getSystemService(Context.CONNECTIVITY_SERVICE);

NetworkInfo activeNetworkInfo = cm.getActiveNetworkInfo();

return activeNetworkInfo!=null && activeNetworkInfo.isAvailable();

}

调用

if (!hasNewWork()){

Toast.makeText(this,"无网络，正在从数据库获取数据",Toast.LENGTH_SHORT).show();

List query = greenDaoUtils.query();

myAdapter.setUserList(query);

}

rec.setLoadingListener(new XRecyclerView.LoadingListener() {

@Override

public void onRefresh() {

rec.refreshComplete();

}

@Override

public void onLoadMore() {

Toast.makeText(MainActivity.this,"无更多数据",Toast.LENGTH_SHORT).show();

rec.loadMoreComplete();

}

});