<?xml version="1.0" encoding="utf-8"?> <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_gravity="center" > <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_gravity="center" > <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="3" android:minWidth="200dp" android:background="@drawable/dialog_list_bg" android:orientation="vertical" android:scrollbars="vertical"> <android.support.v7.widget.RecyclerView android:layout_marginTop="5dp" android:id="@+id/dialog_list_rcv" android:layout_width="match_parent" android:layout_height="match_parent"></android.support.v7.widget.RecyclerView> <TextView android:id="@+id/last_btn" android:layout_width="match_parent" android:layout_height="40dp" android:textSize="18sp" android:gravity="center" android:layout_marginBottom="5dp" android:background="@drawable/normaldialog_right_btn_select" android:text="确定"/> </LinearLayout> </LinearLayout> </ScrollView>