CoordinatorLayoutExample

<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="@color/colorAccent">

    <android.support.v4.widget.NestedScrollView
        android:id="@+id/scroll"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="pt.dezvezesdez.scbraga.custom.FixedScrollingViewBehavior"
        >

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">

            <TextView
                android:id="@+id/tx_date"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/indis"
                android:layout_margin="15dp"
                android:textSize="@dimen/ts_med_regular"
                android:gravity="center"
                android:textColor="@color/colorPrimary" />

            <TextView
                android:id="@+id/tx_descr"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginRight="16dp"
                android:layout_marginLeft="16dp"
                android:layout_marginBottom="10dp"
                android:text="@string/desc"
                android:textColor="@color/black_overlay" />

        </LinearLayout>

    </android.support.v4.widget.NestedScrollView>

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <!--app:layout_scrollFlags="scroll|enterAlways"-->

        <android.support.design.widget.CollapsingToolbarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:layout_collapseParallaxMultiplier="0.7"
            android:elevation="4dp"
            app:layout_scrollFlags="scroll|exitUntilCollapsed">

                <ImageView
                    android:id="@+id/img_news"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    app:layout_collapseMode="parallax"
                    android:adjustViewBounds="true"
                    android:src="@drawable/backbtv" />

                <TextView
                    android:id="@+id/tx_title"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    app:layout_collapseMode="pin"
                    android:layout_gravity="bottom"
                    android:gravity="center"
                    android:text="@string/indis"
                    android:textAllCaps="true"
                    android:textColor="@android:color/black"
                    android:textSize="@dimen/ts_med_great"
                    android:textStyle="bold" />

            <!--<android.support.v7.widget.Toolbar
                android:layout_width="match_parent"
                android:layout_height="160dp"
                app:layout_collapseMode="pin"
                app:popupTheme="@style/Theme.AppCompat.NoActionBar"
                app:theme="@style/Theme.AppCompat.NoActionBar" >
            </android.support.v7.widget.Toolbar>-->
        </android.support.design.widget.CollapsingToolbarLayout>
    </android.support.design.widget.AppBarLayout>
</android.support.design.widget.CoordinatorLayout>


//class para corrigir o behavior do nested scrollview
import android.content.Context;
import android.support.design.widget.AppBarLayout;
import android.support.design.widget.CoordinatorLayout;
import android.support.v4.view.ViewCompat;
import android.util.AttributeSet;
import android.view.View;

import java.util.List;

public class FixedScrollingViewBehavior  extends AppBarLayout.ScrollingViewBehavior{

    public FixedScrollingViewBehavior() {
    }

    public FixedScrollingViewBehavior(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public boolean onMeasureChild(CoordinatorLayout parent, View child, int parentWidthMeasureSpec, int widthUsed, int parentHeightMeasureSpec, int heightUsed) {
        if(child.getLayoutParams().height == -1) {
            List dependencies = parent.getDependencies(child);
            if(dependencies.isEmpty()) {
                return false;
            }

            AppBarLayout appBar = findFirstAppBarLayout(dependencies);
            if(appBar != null && ViewCompat.isLaidOut(appBar)) {
                if(ViewCompat.getFitsSystemWindows(appBar)) {
                    ViewCompat.setFitsSystemWindows(child, true);
                }

                int scrollRange = appBar.getTotalScrollRange();
                int height = parent.getHeight() - appBar.getMeasuredHeight() + Math.min(scrollRange,  parent.getHeight()- heightUsed);
                int heightMeasureSpec = View.MeasureSpec.makeMeasureSpec(height, View.MeasureSpec.EXACTLY);
                parent.onMeasureChild(child, parentWidthMeasureSpec, widthUsed, heightMeasureSpec, heightUsed);
                return true;
            }
        }

        return false;
    }

    private static AppBarLayout findFirstAppBarLayout(List<View> views) {
        int i = 0;

        for(int z = views.size(); i < z; ++i) {
            View view = (View)views.get(i);
            if(view instanceof AppBarLayout) {
                return (AppBarLayout)view;
            }
        }

        return null;
    }
}