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public static interface HeadersFragment.OnHeaderViewSelectedListener

android.support.v17.leanback.app.HeadersFragment.OnHeaderViewSelectedListener

选择标题项目时调用回调的接口定义。

Public methods
`abstract void`	`onHeaderSelected(RowHeaderPresenter.ViewHolder viewHolder, Row row)` 当选择标题项目时调用。

void onHeaderSelected (RowHeaderPresenter.ViewHolder viewHolder, 
                Row row)

当选择标题项目时调用。

Parameters
`viewHolder`	`RowHeaderPresenter.ViewHolder`: Row ViewHolder object corresponding to the selected Header.
`row`	`Row`: Row object corresponding to the selected Header.