我正在使用滑动刷新布局来刷新我的页面。我在其中放置了一个列表视图.每当我刷新它时，列表视图中的项目都会加载两次。我应该将我的列表视图放在那个滑动刷新布局之外，滚动视图应该适用于完整的页面。如何解决这个问题？ 我在这里附加我的 xml 文件。
<?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"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#edecf2"
android:focusableInTouchMode="true"
tools:context=".orders.openorderdetails">
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_marginBottom="4dp"
android:orientation="horizontal"
android:padding="@dimen/activity_horizontal_margin"
app:cardCornerRadius="0dp"
app:cardElevation="6dp"
tools:targetApi="n">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:orientation="horizontal">
<ImageView
android:layout_width="35dp"
android:layout_height="35dp"
android:layout_marginEnd="10dp"
android:background="@drawable/greentickorders" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:fontFamily="@font/poppinsregular"
android:text="Order Confirmed"
android:textColor="#000000" />
</LinearLayout>
</androidx.cardview.widget.CardView>
<androidx.cardview.widget.CardView
android:id="@+id/pstracking"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_marginLeft="15dp"
android:layout_marginRight="15dp"
android:layout_marginBottom="8dp"
android:orientation="horizontal"
android:visibility="gone"
app:cardCornerRadius="0dp"
app:cardElevation="6dp"
tools:targetApi="n">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"
android:background="#909be7"
android:orientation="horizontal">
<TextView
android:id="@+id/pstrack"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginTop="10dp"
android:layout_marginBottom="10dp"
android:layout_weight="1"
android:text="Track your PersonalShopper"
android:textAlignment="center"
android:textColor="#ffffff"
android:textSize="20sp"
android:textStyle="bold"
tools:ignore="HardcodedText,InefficientWeight"
tools:targetApi="n" />
</LinearLayout>
</androidx.cardview.widget.CardView>
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
android:id="@+id/refreshLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ScrollView
android:id="@+id/sample"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:scrollbars="none"
tools:ignore="UselessParent">
<LinearLayout
android:id="@+id/linearlayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center_horizontal"
android:orientation="vertical"
tools:ignore="ScrollViewSize">
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:layout_marginTop="60dp"
android:layout_marginEnd="10dp"
android:orientation="horizontal"
android:padding="@dimen/activity_horizontal_margin"
app:cardCornerRadius="4dp"
app:cardElevation="2dp"
tools:targetApi="n">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="16dp"
android:layout_marginEnd="8dp"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:fontFamily="@font/montserratsemibold"
android:lines="1"
android:text="Order Id :"
android:textColor="#000000"
android:textSize="16sp"
tools:targetApi="n"
tools:ignore="HardcodedText" />
<TextView
android:id="@+id/orderid"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fontFamily="@font/montserratregular"
android:text="@string/random"
android:textColor="#333333"
android:textSize="16sp"
tools:ignore="InefficientWeight"
tools:targetApi="n" />
</LinearLayout>
</androidx.cardview.widget.CardView>
<androidx.cardview.widget.CardView
android:id="@+id/card"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="10dp"
android:orientation="horizontal"
android:padding="@dimen/activity_horizontal_margin"
android:visibility="gone"
app:cardCornerRadius="4dp"
app:cardElevation="2dp"
tools:targetApi="n">
<ImageView
android:id="@+id/image"
android:layout_width="90dp"
android:layout_height="90dp"
android:layout_gravity="center"
android:layout_margin="10dp"
android:scaleType="centerCrop"
tools:ignore="ContentDescription" />
<TextView
android:id="@+id/rateus1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_gravity="center"
android:fontFamily="@font/montserratsemibold"
android:scaleType="centerCrop"
android:text="QR will be displayed once personalshopper picks the product from the store"
android:textAlignment="center"
android:textColor="#bf1cba"
android:textSize="18sp"
android:textStyle="bold"
android:visibility="gone"
tools:ignore="RtlCompat"
tools:targetApi="n" />
<TextView
android:id="@+id/rateus"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_gravity="center"
android:fontFamily="@font/montserratsemibold"
android:scaleType="centerCrop"
android:text="@string/rateforqr"
android:textAlignment="center"
android:textColor="#bf1cba"
android:textSize="18sp"
android:textStyle="bold"
android:visibility="gone"
tools:ignore="RtlCompat"
tools:targetApi="n" />
</androidx.cardview.widget.CardView>
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="10dp"
android:orientation="horizontal"
android:padding="@dimen/activity_horizontal_margin"
app:cardCornerRadius="4dp"
app:cardElevation="2dp"
tools:targetApi="n">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:layout_marginBottom="10dp"
android:orientation="horizontal">
<TextView
android:layout_width="170dp"
android:layout_height="wrap_content"
android:layout_marginStart="20dp"
android:layout_weight="1"
android:fontFamily="@font/poppinsmedium"
android:gravity="start"
android:text="@string/store_pricen"
android:textAlignment="textStart"
android:textColor="#000000"
android:textSize="16sp"
tools:targetApi="n" />
<TextView
android:id="@+id/stprice"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:layout_marginEnd="30dp"
android:layout_weight="1"
android:fontFamily="@font/montserratsemibold"
android:gravity="end"
android:lines="1"
android:text="@string/price"
android:textAlignment="textEnd"
android:textColor="#000000"
android:textSize="16sp"
android:textStyle="bold"
tools:targetApi="n" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="0dp"
android:layout_marginBottom="10dp"
android:orientation="horizontal">
<TextView
android:layout_width="170dp"
android:layout_height="wrap_content"
android:layout_marginStart="20dp"
android:layout_weight="1"
android:fontFamily="@font/poppinsmedium"
android:gravity="start"
android:text="@string/sales_tax"
android:textAlignment="textStart"
android:textColor="#000000"
android:textSize="16sp"
tools:targetApi="n" />
<TextView
android:id="@+id/salestax"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:layout_marginEnd="30dp"
android:layout_weight="1"
android:fontFamily="@font/montserratsemibold"
android:gravity="end"
android:lines="1"
android:text="@string/price"
android:textAlignment="textEnd"
android:textColor="#000000"
android:textSize="16sp"
android:textStyle="bold"
tools:targetApi="n" />
</LinearLayout>
<LinearLayout
android:visibility="gone"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="0dp"
android:layout_marginBottom="10dp"
android:orientation="horizontal"
android:id="@+id/processinglay">
<TextView
android:layout_width="170dp"
android:layout_height="wrap_content"
android:layout_marginStart="20dp"
android:layout_weight="1"
android:fontFamily="@font/poppinsmedium"
android:gravity="start"
android:text="Processing Fee"
android:textAlignment="textStart"
android:textColor="#000000"
android:textSize="16sp"
tools:targetApi="n" />
<TextView
android:id="@+id/processing"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:layout_marginEnd="30dp"
android:layout_weight="1"
android:fontFamily="@font/montserratsemibold"
android:gravity="end"
android:lines="1"
android:text="@string/price"
android:textAlignment="textEnd"
android:textColor="#000000"
android:textSize="16sp"
android:textStyle="bold"
tools:targetApi="n" />
</LinearLayout>
<LinearLayout
android:id="@+id/pspricelayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="0dp"
android:layout_marginBottom="10dp"
android:orientation="horizontal"
android:visibility="gone"
android:weightSum="2">
<TextView
android:layout_width="170dp"
android:layout_height="wrap_content"
android:layout_marginStart="20dp"
android:layout_weight="1"
android:fontFamily="@font/poppinsmedium"
android:gravity="start"
android:text="@string/personalshopper_price"
android:textAlignment="textStart"
android:textColor="#000000"
android:textSize="16sp"
tools:targetApi="n" />
<TextView
android:id="@+id/psprice"
android:layout_width="170dp"
android:layout_height="wrap_content"
android:layout_marginEnd="30dp"
android:layout_weight="1"
android:fontFamily="@font/montserratsemibold"
android:gravity="end"
android:text="@string/price"
android:textAlignment="textEnd"
android:textColor="#000000"
android:textSize="16sp"
android:textStyle="bold"
tools:targetApi="n" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="2dp"
android:layout_marginBottom="16dp"
android:orientation="horizontal">
<TextView
android:layout_width="170dp"
android:layout_height="wrap_content"
android:layout_marginStart="20dp"
android:layout_weight="1"
android:fontFamily="@font/montserratsemibold"
android:gravity="start"
android:text="Total Payment "
android:textAlignment="textStart"
android:textColor="#000000"
android:textSize="16sp"
android:textStyle="bold"
tools:targetApi="n" />
<TextView
android:id="@+id/price"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:layout_marginEnd="30dp"
android:layout_weight="1"
android:fontFamily="@font/montserratsemibold"
android:gravity="end"
android:lines="1"
android:text="@string/price"
android:textAlignment="textEnd"
android:textColor="#000000"
android:textSize="16sp"
android:textStyle="bold"
tools:targetApi="n" />
</LinearLayout>
</LinearLayout>
</androidx.cardview.widget.CardView>
<ListView
android:id="@+id/list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="10dp"
android:layout_marginBottom="50dp"
android:background="#ffffff"
android:scrollbars="none" />
</LinearLayout>
</ScrollView>
</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
</RelativeLayout>
您可以在再次填充 listView 之前清理setOnRefreshListener { }中的列表。