CoordinatorLayoutの縦横比率指定のやり方が分かりません。

xml
1<?xml version="1.0" encoding="utf-8"?>
2
3<android.support.design.widget.CoordinatorLayout
4    xmlns:android="http://schemas.android.com/apk/res/android"
5    xmlns:app="http://schemas.android.com/apk/res-auto"
6    android:layout_width="match_parent"
7    android:layout_height="match_parent"
8    android:fitsSystemWindows="true">
9
10    <android.support.design.widget.AppBarLayout
11        android:id="@+id/app_bar_layout"
12        android:layout_width="match_parent"
13        android:layout_height="wrap_content"
14        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
15        android:fitsSystemWindows="true">
16
17        <android.support.design.widget.CollapsingToolbarLayout
18            android:id="@+id/collapsing_toolbar"
19            android:layout_width="match_parent"
20            android:layout_height="match_parent"
21            app:layout_scrollFlags="scroll|exitUntilCollapsed"
22            app:contentScrim="?attr/colorPrimary"
23            app:expandedTitleMarginStart="0dp"
24            app:expandedTitleMarginEnd="0dp"
25
26            android:fitsSystemWindows="true">
27
28            <android.support.v4.view.ViewPager
29                android:id="@+id/view_pager"
30                android:layout_width="match_parent"
31                android:layout_height="280dp"
32                android:adjustViewBounds="true"
33                />
34
35            <android.support.v7.widget.Toolbar
36                android:id="@+id/toolbar"
37                android:layout_width="match_parent"
38                android:layout_height="?attr/actionBarSize"
39                app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
40                app:layout_collapseMode="pin" />
41
42        </android.support.design.widget.CollapsingToolbarLayout>
43
44    </android.support.design.widget.AppBarLayout>
45
46    <android.support.v4.widget.NestedScrollView
47        android:id="@+id/scroll"
48        android:layout_width="match_parent"
49        android:layout_height="match_parent"
50        android:clipToPadding="false"
51        app:layout_behavior="@string/appbar_scrolling_view_behavior">
52
53
54        <android.support.v7.widget.CardView
55            android:layout_width="match_parent"
56            android:layout_height="wrap_content"
57            android:layout_marginTop="8dp"
58            android:layout_marginBottom="20dp"
59            app:cardElevation="6dp"
60            app:cardUseCompatPadding="true">
61
62            <LinearLayout
63                android:layout_width="match_parent"
64                android:layout_height="wrap_content"
65                android:orientation="vertical">
66
67                <TextView
68                    android:id="@+id/title"
69                    android:layout_width="match_parent"
70                    android:layout_height="wrap_content"
71                    android:layout_marginTop="20dp"
72                    android:layout_marginLeft="30dp"
73                    android:layout_marginRight="30dp"
74                    android:text="test"
75                    android:textStyle="bold"
76                    android:letterSpacing="0.1"
77                    android:textSize="18dp" />
78            <TextView
79                android:autoLink="web|all"
80                android:layout_width="match_parent"
81                android:layout_height="wrap_content"
82                android:layout_marginTop="15dp"
83                android:layout_marginLeft="30dp"
84                android:layout_marginRight="30dp"
85                android:layout_marginBottom="30dp"
86                android:lineSpacingExtra="5dp"
87                android:id="@+id/notes"
88                />
89
90                <TextView
91                    android:autoLink="web|all"
92                    android:layout_width="match_parent"
93                    android:layout_height="wrap_content"
94                    android:layout_marginTop="15dp"
95                    android:layout_marginLeft="30dp"
96                    android:layout_marginRight="30dp"
97                    android:layout_marginBottom="30dp"
98                    android:lineSpacingExtra="5dp"
99                    android:id="@+id/url"
100                    />
101
102            </LinearLayout>
103
104        </android.support.v7.widget.CardView>
105
106
107    </android.support.v4.widget.NestedScrollView>
108    <android.support.design.widget.FloatingActionButton
109        android:id="@+id/fab"
110        app:layout_anchor="@id/app_bar_layout"
111        style="@style/fab"
112        app:theme="@style/ThemeOverlay.AppCompat.Light"
113        app:layout_anchorGravity="bottom|right|end"
114        />
115
116</android.support.design.widget.CoordinatorLayout>