吸顶&滑动不卡顿&刷新&状态栏CoordinatorLayout

使用第三方：
刷新：

implementation 'com.scwang.smartrefresh:SmartRefreshLayout:1.1.0'

状态栏：StatusBarHeightView

AppBarLayout得behavior(CustomBehavior)

import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.OverScroller;

import androidx.coordinatorlayout.widget.CoordinatorLayout;

import com.google.android.material.appbar.AppBarLayout;

import java.lang.reflect.Field;

/**
 *
 * @describe  自定义behavior  以解决滑动抖动
 *
 */

public class CustomBehavior extends  AppBarLayout.Behavior {
    private OverScroller mScroller;
    public CustomBehavior() {
    }

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

    /**
     * 反射获得滑动属性。
     *
     * @param context
     */
    private void getParentScroller(Context context) {
        if (mScroller != null) return;
        mScroller = new OverScroller(context);
        try {
            Class<?> reflex_class = getClass().getSuperclass().getSuperclass();//父类AppBarLayout.Behavior  父类的父类   HeaderBehavior
            Field fieldScroller = reflex_class.getDeclaredField("mScroller");
            fieldScroller.setAccessible(true);
            fieldScroller.set(this, mScroller);
        } catch (Exception e) {}
    }
    //fling上滑appbar然后迅速fling下滑recycler时, HeaderBehavior的mScroller并未停止, 会导致上下来回晃动
    @Override
    public void onNestedPreScroll(CoordinatorLayout coordinatorLayout, AppBarLayout child, View target, int dx, int dy, int[] consumed, int type) {
        if(mScroller!=null){ //当recyclerView 做好滑动准备的时候 直接干掉Appbar的滑动
            if (mScroller.computeScrollOffset()) {
                mScroller.abortAnimation();
            }
        }

        super.onNestedPreScroll(coordinatorLayout, child, target, dx, dy, consumed, type);
    }

    @Override
    public boolean onTouchEvent(CoordinatorLayout parent, AppBarLayout child, MotionEvent e) {

        switch (e.getActionMasked()) {
            case MotionEvent.ACTION_DOWN:
                break;
        }



        return super.onTouchEvent(parent,child,e);
    }
}

布局

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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="match_parent"
    android:background="@color/white_fc">

    <com.dsy.jxih.tools.status.StatusBarHeightView
        android:id="@+id/status"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/zong_db"
        app:use_type="use_padding_top" />

    <LinearLayout
        android:id="@+id/llTitle"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/status"
        android:background="@color/zong_db"
        android:orientation="vertical"
        android:paddingTop="@dimen/dp_7"
        android:paddingBottom="@dimen/dp_7">

        <TextView
            android:id="@+id/tvSearch"
            android:layout_width="match_parent"
            android:layout_height="@dimen/dp_33"
            android:layout_centerInParent="true"
            android:layout_marginLeft="@dimen/dp_10"
            android:layout_marginRight="@dimen/dp_10"
            android:background="@drawable/hui_20_circle_white_shape_bg"
            android:drawableRight="@mipmap/search_hui"
            android:drawablePadding="@dimen/dp_5"
            android:gravity="center"
            android:paddingLeft="@dimen/dp_15"
            android:paddingRight="@dimen/dp_15"
            android:text="输入搜索关键词"
            android:textColor="@color/hui_ffc"
            android:textSize="@dimen/sp_14" />

    </LinearLayout>

    <com.scwang.smartrefresh.layout.SmartRefreshLayout
        android:id="@+id/sRefresh"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@+id/llTitle"
        android:background="@color/white_fc">

        <com.dsy.jxih.view.MyHeaderView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@color/zong_db" />

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

            <androidx.coordinatorlayout.widget.CoordinatorLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent">

                <com.google.android.material.appbar.AppBarLayout
                    android:id="@+id/abLay"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    app:elevation="@dimen/dp_0"
                    app:layout_behavior=".view.CustomBehavior">

                    <com.google.android.material.appbar.CollapsingToolbarLayout
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:background="@color/white_fc"
                        app:elevation="@dimen/dp_0"
                        app:expandedTitleGravity="center"
                        app:layout_scrollFlags="scroll|exitUntilCollapsed"
                        app:titleEnabled="false">

                        <View
                            android:id="@+id/bannerBgView"
                            android:layout_width="match_parent"
                            android:layout_height="@dimen/dp_70"
                            android:background="@color/zong_db" />

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

                            <com.dsy.jxih.view.banner.MZBannerView
                                android:id="@+id/bannerView"
                                android:layout_width="match_parent"
                                android:layout_height="@dimen/dp_133"
                                android:layout_centerInParent="true"
                                android:layout_marginTop="@dimen/dp_7"
                                android:scaleType="centerCrop"
                                app:canLoop="true"
                                app:layout_constraintTop_toTopOf="parent"
                                app:open_mz_mode="true" />

                            <androidx.recyclerview.widget.RecyclerView
                                android:id="@+id/rvMenuList"
                                android:layout_width="match_parent"
                                android:layout_height="wrap_content"
                                android:layout_marginTop="@dimen/dp_12"
                                android:layout_marginBottom="@dimen/dp_16"
                                android:scrollbars="none" />

                            <LinearLayout
                                android:id="@+id/llGridLay"
                                android:layout_width="match_parent"
                                android:layout_height="@dimen/dp_150"
                                android:layout_marginLeft="@dimen/dp_10"
                                android:layout_marginRight="@dimen/dp_10"
                                android:layout_marginBottom="@dimen/dp_16"
                                android:orientation="horizontal">

                                <androidx.cardview.widget.CardView
                                    android:layout_width="@dimen/dp_0"
                                    android:layout_height="match_parent"
                                    android:layout_marginRight="@dimen/dp_2_5"
                                    android:layout_weight="1"
                                    app:cardCornerRadius="@dimen/dp_5"
                                    app:cardElevation="@dimen/dp_0">

                                    <ImageView
                                        android:id="@+id/ivLeft"
                                        android:layout_width="match_parent"
                                        android:layout_height="match_parent"
                                        android:adjustViewBounds="true"
                                        android:scaleType="centerCrop"
                                        android:src="@mipmap/ic_image_2" />

                                </androidx.cardview.widget.CardView>

                                <LinearLayout
                                    android:layout_width="@dimen/dp_0"
                                    android:layout_height="match_parent"
                                    android:layout_marginLeft="@dimen/dp_2_5"
                                    android:layout_weight="1"
                                    android:orientation="vertical">

                                    <androidx.cardview.widget.CardView
                                        android:layout_width="match_parent"
                                        android:layout_height="@dimen/dp_0"
                                        android:layout_marginBottom="@dimen/dp_2_5"
                                        android:layout_weight="1"
                                        app:cardCornerRadius="@dimen/dp_5"
                                        app:cardElevation="@dimen/dp_0">

                                        <ImageView
                                            android:id="@+id/ivTop"
                                            android:layout_width="match_parent"
                                            android:layout_height="match_parent"
                                            android:scaleType="centerCrop"
                                            android:src="@mipmap/ic_image_7" />

                                    </androidx.cardview.widget.CardView>

                                    <androidx.cardview.widget.CardView
                                        android:layout_width="match_parent"
                                        android:layout_height="@dimen/dp_0"
                                        android:layout_marginTop="@dimen/dp_2_5"
                                        android:layout_weight="1"
                                        app:cardCornerRadius="@dimen/dp_5"
                                        app:cardElevation="@dimen/dp_0">

                                        <ImageView
                                            android:id="@+id/ivBottom"
                                            android:layout_width="match_parent"
                                            android:layout_height="match_parent"
                                            android:scaleType="centerCrop"
                                            android:src="@mipmap/ic_image_7" />

                                    </androidx.cardview.widget.CardView>

                                </LinearLayout>

                            </LinearLayout>

                        </LinearLayout>

                    </com.google.android.material.appbar.CollapsingToolbarLayout>

                    <com.google.android.material.tabs.TabLayout
                        android:id="@+id/tabLay"
                        android:layout_width="match_parent"
                        android:layout_height="@dimen/dp_35"
                        android:background="@color/white_fc"
                        android:elevation="@dimen/dp_0"
                        app:tabBackground="@android:color/transparent"
                        app:tabIndicator="@drawable/indicator"
                        app:tabIndicatorFullWidth="false"
                        app:tabMode="scrollable"
                        app:tabPadding="-1dp"
                        app:tabRippleColor="@android:color/transparent"
                        app:tabSelectedTextColor="@color/red_f3"
                        app:tabTextAppearance="@style/TabLayoutTextSize"
                        app:tabTextColor="@color/black_3" />

                </com.google.android.material.appbar.AppBarLayout>

                <androidx.core.widget.NestedScrollView
                    android:id="@+id/scroView"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:background="@color/white_fc"
                    android:paddingTop="@dimen/dp_10"
                    app:layout_anchorGravity="bottom"
                    app:layout_behavior="@string/appbar_scrolling_view_behavior">

                    <androidx.recyclerview.widget.RecyclerView
                        android:id="@+id/rvList"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:layout_marginLeft="@dimen/dp_5"
                        android:layout_marginRight="@dimen/dp_5"
                        android:nestedScrollingEnabled="false" />

                </androidx.core.widget.NestedScrollView>

            </androidx.coordinatorlayout.widget.CoordinatorLayout>

        </LinearLayout>

        <com.scwang.smartrefresh.layout.footer.ClassicsFooter
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@color/white_fc" />

    </com.scwang.smartrefresh.layout.SmartRefreshLayout>


</RelativeLayout>