<LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <LinearLayout android:layout_width="23dp" android:layout_height="match_parent" android:background="@drawable/linear_style" > </LinearLayout> <LinearLayout android:id="@+id/item_ll_control" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" > <TextView android:id="@+id/main_tv_content" android:layout_width="match_parent" android:layout_height="50dp" android:background="#ffffff" android:lineSpacingExtra="4dp" android:paddingLeft="33dp" android:paddingRight="15dp" android:paddingTop="5dp" android:text="今天,你什么都没写下..." android:textColor="@color/gray" android:textSize="16sp" /> </LinearLayout> </LinearLayout> </LinearLayout> <android.support.v7.widget.RecyclerView android:id="@+id/main_rv_show_diary" android:layout_width="match_parent" android:layout_height="match_parent" > </android.support.v7.widget.RecyclerView> </LinearLayout> <android.support.design.widget.FloatingActionButton android:id="@+id/main_fab_enter_edit" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:layout_marginBottom="36dp" android:layout_marginLeft="30dp" android:layout_marginStart="30dp" android:src="@drawable/add" app:backgroundTint="#ee722f" app:borderWidth="0dp" app:elevation="6dp" app:fabSize="normal" app:layout_anchorGravity="bottom|right" app:pressedTranslationZ="12dp" app:rippleColor="#a6a6a6"/> </RelativeLayout>