1. 总的布局文件

1<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
2    xmlns:app="http://schemas.android.com/apk/res-auto"
3    xmlns:tools="http://schemas.android.com/tools"
4    android:layout_width="match_parent"
5    android:layout_height="match_parent"
6    android:orientation="vertical"
7    tools:context="com.gx.gxzx.ui.realtime.commonElec.CommonElecActivity">
8    <android.support.design.widget.AppBarLayout xmlns:android="http://schemas.android.com/apk/res/android"
9        android:layout_width="match_parent"
10        android:layout_height="wrap_content"
11        xmlns:app="http://schemas.android.com/apk/res-auto">
12        <android.support.design.widget.CollapsingToolbarLayout
13            android:layout_width="match_parent"
14            app:layout_scrollFlags="scroll|enterAlways|snap"
15            android:layout_height="wrap_content">
16            <android.support.v7.widget.Toolbar
17                android:id="@+id/my_toolbar"
18                android:paddingTop="20dp"
19                app:contentInsetStart="0dp"
20                android:layout_width="match_parent"
21                android:layout_height="wrap_content">
22                <RelativeLayout
23                    android:layout_width="match_parent"
24                    android:layout_height="wrap_content">
25                    <android.support.v7.widget.AppCompatImageButton
26                        android:id="@+id/my_toolbar_back"
27                        android:src="@drawable/ic_back_white"
28                        android:background="?controlBackground"
29                        android:layout_margin="10dp"
30                        android:layout_centerVertical="true"
31                        android:layout_width="25dp"
32                        android:layout_height="25dp" />
33                    <ImageView
34                        android:id="@+id/my_toolbar_loading"
35                        android:layout_centerVertical="true"
36                        android:layout_toLeftOf="@+id/my_toolbar_title"
37                        android:layout_width="25dp"
38                        android:layout_marginRight="10dp"
39                        android:layout_height="25dp" />
40                    <TextView
41                        android:id="@+id/my_toolbar_title"
42                        android:text="tltie"
43                        android:textColor="@color/white"
44                        android:textSize="@dimen/title"
45                        android:gravity="center"
46                        android:layout_centerInParent="true"
47                        android:layout_width="wrap_content"
48                        android:layout_height="wrap_content" />
49                </RelativeLayout>
50            </android.support.v7.widget.Toolbar>
51        </android.support.design.widget.CollapsingToolbarLayout>
52        <com.gx.gxzx.widget.MyDeviceSelector
53            android:id="@+id/my_device_selector"
54            android:layout_width="match_parent"
55            android:layout_height="wrap_content"/>
56    </android.support.design.widget.AppBarLayout>
57        <android.support.v4.widget.SwipeRefreshLayout
58        android:id="@+id/swipe_refresh_layout"
59        android:layout_width="match_parent"
60        android:layout_height="match_parent"
61        app:layout_behavior="@string/appbar_scrolling_view_behavior">
62        <android.support.v4.widget.NestedScrollView
63            android:layout_width="match_parent"
64            android:layout_weight="1"
65            android:layout_height="0dp">
66            ....
67            </android.support.v4.widget.NestedScrollView>
68    </android.support.v4.widget.SwipeRefreshLayout>
69
70
71</android.support.design.widget.CoordinatorLayout>

#2. 要点 ##2.1 app:contentInsetStart="0dp"

会使toolbar里面的View会扩充到左右，不会有间隙。

2.2 android:background="?controlBackground"

这个点击效果不错，圆形的灰色背景

2.3 下拉刷新

SwipeRefreshLayout 要包裹着NestedScrollView才会有下拉效果

2.4 ActionMenuView

ActionMenuView 可以添加菜单按钮