CollapsingToolbarLayout配合CoordinatorLayout、viewpage實現伸縮式佈局

由於項目需求自己寫了個demo，有什麼需要改的地方希望大家提出

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
    android:id="@+id/detail_main_content"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:android_custom="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:fab="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/detail_main_appbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:fitsSystemWindows="true"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/detail_main_collapsing_toolbar"
            android:layout_width="match_parent"
            android:layout_height="224dp"
            android:fitsSystemWindows="true"
            app:contentScrim="?attr/colorPrimary"
            app:layout_collapseMode="parallax"
            app:layout_scrollFlags="scroll|exitUntilCollapsed">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_gravity="center"
                android:fitsSystemWindows="true"
                android:gravity="center|bottom"
                android:paddingBottom="8dp"
                android:orientation="vertical"
                >

                <com.olemob.view.roundedimageview.RoundedImageView
                    android:id="@+id/detail_main_icon_iv"
                    android:layout_width="80dp"
                    android:layout_height="80dp"
                    android:layout_centerVertical="true"
                    android:scaleType="centerCrop"
                    android:src="@drawable/icon_default"
                    app:riv_corner_radius="4dp"
                    app:riv_oval="false"/>

                <RatingBar
                    android:id="@+id/detail_main_rating_rb"
                    style="@style/gamedetail_star"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_centerVertical="true"
                    android:layout_marginBottom="8dp"
                    android:layout_marginTop="12dp"
                    android:isIndicator="true"/>

                <LinearLayout android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:gravity="center"
                    android:orientation="horizontal"
                    >

                    <TextView android:id="@+id/detail_main_size"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginRight="8dp"
                        android:singleLine="true"
                        android:text="0.00M"
                        android:textColor="@color/color2_6"
                        android:textSize="@dimen/text_size2"/>

                    <TextView android:id="@+id/detail_main_downloads"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginLeft="8dp"
                        android:singleLine="true"
                        android:text="100次下載"
                        android:textColor="@color/color2_6"
                        android:textSize="@dimen/text_size2"/>
                </LinearLayout>
            </LinearLayout>

            

		<!--自定義的toolbar實現分享收藏功能，也可以定義實現其他功能

具體實現什麼功能可以自己搞-->

		<include
                android:id="@+id/detail_main_title_view"
                layout="@layout/include_toolbar_title"/>


        </android.support.design.widget.CollapsingToolbarLayout>
        <android.support.design.widget.TabLayout
            android:id="@+id/detail_main_fragment_slide_tab"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:layout_gravity="bottom"
            app:layout_collapseMode="pin"
            app:tabIndicatorColor="@color/color2_12"
            app:tabSelectedTextColor="@color/color2_6"
            app:tabTextColor="@color/color2_8"
            app:layout_anchor="@id/detail_main_title_view"/>
    </android.support.design.widget.AppBarLayout>

    <android.support.v4.view.ViewPager
        android:id="@+id/detail_main_fragment_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/background"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"/>


    <com.olemob.view.FloatingActionButton
        android:id="@+id/detail_main_floatingbar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="2dp"
        android:layout_marginRight="6dp"
        app:layout_anchor="@id/detail_main_fragment_view"
        app:layout_anchorGravity="right|bottom"
        fab:fab_colorNormal="@color/color2_11"
        fab:fab_colorPressed="@color/color2_17"
        fab:fab_icon="@drawable/ic_plus_down"/>

    <com.olemob.view.RoundProgressBar
        android:id="@+id/detail_main_progress"
        android:layout_width="64dp"
        android:layout_height="64dp"
        android:layout_marginBottom="10dp"
        android:layout_marginRight="11dp"
        android:visibility="gone"
        android_custom:roundColor="@color/color2_21"
        android_custom:roundProgressColor="@color/color2_6"
        android_custom:textIsDisplayable="false"
        app:layout_anchor="@id/detail_main_fragment_view"
        app:layout_anchorGravity="right|bottom"
        />

    <ViewStub
        android:id="@+id/detail_main_nodata_stub"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout="@layout/layout_nonet_and_nodata"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"
        />
</android.support.design.widget.CoordinatorLayout>

引入的自定義toolbar

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.Toolbar
    android:id="@+id/detail_main_title_view"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="?attr/actionBarSize"
    android:gravity="top"
    app:contentInsetStart="0dp"
    android:minHeight="?attr/actionBarSize"
    app:layout_collapseMode="pin"
    app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
    app:titleMarginTop="15dp">

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:layout_gravity="left"
        >

        <ImageView
            android:id="@+id/include_toolbar_title_left_back"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:background="@drawable/title_btn_selector"
            android:src="@drawable/ic_back"
            android:padding="16dp"
            android:gravity="center_vertical"
            />

        <TextView
            android:id="@+id/include_toolbar_title_titletext"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:ellipsize="end"
            android:gravity="center_vertical"
            android:paddingLeft="10dp"
            android:paddingRight="10dp"
            android:singleLine="true"
            android:text="@string/app_name"
            android:textColor="@color/white"
            android:textSize="18dp"/>
    </LinearLayout>

    <ImageView
        android:id="@+id/include_toolbar_title_right"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/title_btn_selector"
        android:layout_gravity="right"
        android:padding="16dp"
        android:src="@drawable/ic_share"
        />

    <ImageView
        android:id="@+id/include_toolbar_title_left"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_shoucang_n"
        android:background="@drawable/title_btn_selector"
        android:layout_gravity="right"
        android:padding="16dp"
        />
</android.support.v7.widget.Toolbar>

效果圖如下