①NestedScrollView與RecyclerView巢狀,導致滾動慣性消失

解決:mRecyclerView.setNestedScrollingEnabled(false);

②NestedScrollView中巢狀其他佈局和RecyclerView後,不會滾動到螢幕頂部

解決給最頂部的佈局View設定下requestFocus();

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app
 
="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"
android:orientation="vertical">
    <android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/swipe"
 
android:layout_width="match_parent"
android:layout_height="match_parent">
        <android.support.v4.widget.NestedScrollView
android:id="@+id/src"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:focusable="true"
android:focusableInTouchMode="true">
            <LinearLayout
 
android:id="@+id/ll_valuation_start"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
                <ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:src="@drawable/ic_launcher_background"/>
                <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="信用可也換錢花"
android:textColor="@android:color/black"
android:textSize="16sp"/>
                <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="6dp"
android:text="自營貸款產品,無需稽核,立即放款"
android:textColor="@android:color/black"/>
                <android.support.v7.widget.RecyclerView
android:id="@+id/rv"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
                </android.support.v7.widget.RecyclerView>
            </LinearLayout>
        </android.support.v4.widget.NestedScrollView>
    </android.support.v4.widget.SwipeRefreshLayout>
</LinearLayout>

如果裡面ScrollView裡面有連個RecyclerView則都要是設定 mRecyclerView.setNestedScrollingEnabled(false);