错误代码：
LVbook=(ListView)findViewById(R.id.booklistID);
try {
LVbook.addHeaderView(getLayoutInflater().inflate(R.id.booklist_headid, null));
} catch (Exception e) {
e.printStackTrace();
}
正确代码：
try {
LVbook.addHeaderView(getLayoutInflater().inflate(R.layout.booklist_head, null));
} catch (Exception e) {
e.printStackTrace();
}
相关API信息：
public View inflate(int resource, ViewGroup root)
Inflate a new view hierarchy from the specified xml resource. Throws InflateException if there is an error.
Parameters:
resource - ID for an XML layout resource to load (e.g., R.layout.main_page)------>问题出现在这里，这里需要的是一个Layout布局ID号，
上面写的是View ID号，犯了个低级错误
root - Optional view to be the parent of the generated hierarchy.
Returns:
The root View of the inflated hierarchy. If root was supplied, this is the root View; otherwise it is the root of the
inflated XML file.
错误截图：
