RecyclerView onMeasure性能问题

时间：2018-09-10 11:14:06

标签： android performance android-layout android-constraintlayout

我在recyclerView中使用了非常复杂的recyclerView项目布局。我已经开始有一段时间的性能问题了。每次我运行应用程序时，在为recyclerView填充视图布局时都会收到警告。例如：

D/View: [ANR Warning]onMeasure time too long, this =android.support.constraint.ConstraintLayout{91a57db V.E...... ......I. 0,0-0,0 #7f0801d4 app:id/parentLayout}time =807 ms
D/View: [ANR Warning]onMeasure time too long, this =android.support.constraint.ConstraintLayout{20858c2 V.E...... ......I. 0,0-0,0 #7f0801d4 app:id/parentLayout}time =745 ms
D/View: [ANR Warning]onMeasure time too long, this =android.support.constraint.ConstraintLayout{880b0bc V.E...... ......I. 0,0-0,0 #7f0801d4 app:id/parentLayout}time =705 ms
平均每项

800ms确实是长时间的充气。我测量了onBindViewHolder()的绑定时间，每个项目的绑定时间最长为10ms。

有什么方法可以减少这种测量时间吗？我只使用了ConstraintLayouts，因为我发现由于recyclerView的性能好，因此建议将其用于recyclerView项目。

此项目包含可扩展的布局，将在单击项目时扩展。

项目布局：

<android.support.constraint.ConstraintLayout
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/parentLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">

<android.support.constraint.ConstraintLayout
    android:id="@+id/itemInfo"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="80dp"
        android:layout_height="80dp"
        android:layout_alignParentStart="true"
        android:layout_marginBottom="8dp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="8dp"
        android:visibility="visible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_goneMarginBottom="16dp"
        app:srcCompat="@mipmap/ic_launcher" />

    <android.support.constraint.ConstraintLayout
        android:id="@+id/itemTextLayout"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginBottom="16dp"
        android:layout_marginEnd="16dp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        android:visibility="visible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/imageView"
        app:layout_constraintTop_toTopOf="parent">

        <TextView
            android:id="@+id/itemName"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_gravity="fill"
            android:singleLine="false"
            android:text="itemName"
            android:textColor="@color/colorItemMajor"
            android:textSize="16sp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <android.support.constraint.ConstraintLayout
            android:id="@+id/BottomLineLayout"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginEnd="8dp"
            android:layout_marginTop="4dp"
            android:visibility="visible"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@+id/itemRate_icon"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/itemName">

            <ImageView
                android:id="@+id/itemStatus"
                android:layout_width="wrap_content"
                android:layout_height="12dp"
                android:layout_marginEnd="4dp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toStartOf="@+id/itemSupplier"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <TextView
                android:id="@+id/itemSupplier"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="fill"
                android:layout_marginEnd="4dp"
                android:text="suppName"
                android:textColor="@color/colorItemMinor"
                android:textSize="10sp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toStartOf="@+id/itemDel_icon"
                app:layout_constraintStart_toEndOf="@id/itemStatus"
                app:layout_constraintTop_toTopOf="parent" />

            <ImageView
                android:id="@+id/itemDel_icon"
                android:layout_width="12dp"
                android:layout_height="12dp"
                android:layout_marginEnd="4dp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toStartOf="@+id/itemDel"
                app:layout_constraintStart_toEndOf="@id/itemSupplier"
                app:layout_constraintTop_toTopOf="parent"
                app:srcCompat="@mipmap/ic_launcher" />

            <TextView
                android:id="@+id/itemDel"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="fill"
                android:layout_marginEnd="4dp"
                android:text="itemDel"
                android:textColor="@color/colorItemMinor"
                android:textSize="10sp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toStartOf="@+id/itemWT_icon"
                app:layout_constraintStart_toEndOf="@+id/itemDel_icon"
                app:layout_constraintTop_toTopOf="parent" />

            <ImageView
                android:id="@+id/itemWT_icon"
                android:layout_width="12dp"
                android:layout_height="12dp"
                android:layout_marginStart="4dp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintStart_toEndOf="@id/itemDel"
                app:layout_constraintTop_toTopOf="parent"
                app:srcCompat="@mipmap/ic_launcher" />

            <TextView
                android:id="@+id/itemWT"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignBaseline="@+id/itemWT_icon"
                android:layout_alignBottom="@+id/itemWT_icon"
                android:layout_gravity="fill"
                android:layout_marginStart="4dp"
                android:layout_toEndOf="@+id/itemWT_icon"
                android:text="itemWT"
                android:textColor="@color/colorItemMinor"
                android:textSize="10sp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintStart_toEndOf="@+id/itemWT_icon"
                app:layout_constraintTop_toTopOf="parent" />
        </android.support.constraint.ConstraintLayout>

        <ImageView
            android:id="@+id/itemRate_icon"
            android:layout_width="12dp"
            android:layout_height="12dp"
            android:layout_marginEnd="4dp"
            android:layout_marginTop="4dp"
            app:layout_constraintEnd_toStartOf="@id/itemRate"
            app:layout_constraintTop_toBottomOf="@+id/itemName"
            app:srcCompat="@mipmap/ic_launcher" />

        <TextView
            android:id="@+id/itemRate"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignBaseline="@+id/itemRate_icon"
            android:layout_alignBottom="@+id/itemRate_icon"
            android:layout_gravity="fill"
            android:layout_marginTop="4dp"
            android:text="itemRate"
            android:textColor="@color/colorRating"
            android:textSize="10sp"
            android:textStyle="bold"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/itemName" />

    </android.support.constraint.ConstraintLayout>

</android.support.constraint.ConstraintLayout>

<android.support.constraint.ConstraintLayout
    android:id="@+id/expandable_layout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:animateLayoutChanges="true"
    android:background="@color/colorBackground"
    android:orientation="horizontal"
    android:visibility="visible"
    app:layout_constraintTop_toBottomOf="@+id/itemInfo">

    <ImageView
        android:id="@+id/arrowPointer"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:srcCompat="@mipmap/ic_launcher"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/itemDesc"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_gravity="fill"
        android:layout_marginEnd="32dp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="24dp"
        android:singleLine="false"
        android:text="This is some item desc."
        android:textColor="@color/colorItemMinor"
        android:textSize="12sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageView
        android:id="@+id/itemWeight_icon"
        android:layout_width="12sp"
        android:layout_height="12sp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="20dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/itemDesc"
        app:srcCompat="@mipmap/ic_launcher" />

    <TextView
        android:id="@+id/itemWeight"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBaseline="@+id/itemWeight_icon"
        android:layout_alignBottom="@+id/itemWeight_icon"
        android:layout_gravity="fill"
        android:layout_marginStart="4dp"
        android:layout_marginTop="20dp"
        android:layout_toEndOf="@+id/itemWeight_icon"
        android:text="itemWeight"
        android:textColor="@color/colorItemMinor"
        android:textSize="10sp"
        app:layout_constraintStart_toEndOf="@+id/itemWeight_icon"
        app:layout_constraintTop_toBottomOf="@+id/itemDesc" />

    <ImageView
        android:id="@+id/itemType_icon"
        android:layout_width="12sp"
        android:layout_height="12sp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="20dp"
        app:layout_constraintStart_toEndOf="@id/itemWeight"
        app:layout_constraintTop_toBottomOf="@id/itemDesc"
        app:srcCompat="@mipmap/ic_launcher" />

    <TextView
        android:id="@+id/itemType"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBaseline="@+id/itemType_icon"
        android:layout_alignBottom="@+id/itemType_icon"
        android:layout_gravity="fill"
        android:layout_marginStart="4dp"
        android:layout_marginTop="20dp"
        android:layout_toEndOf="@+id/itemType_icon"
        android:text="itemType"
        android:textColor="@color/colorItemMinor"
        android:textSize="10sp"
        app:layout_constraintStart_toEndOf="@+id/itemType_icon"
        app:layout_constraintTop_toBottomOf="@+id/itemDesc" />

    <android.support.constraint.ConstraintLayout
        android:id="@+id/propertyRow"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="4dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/itemType_icon">

        <TextView
            android:id="@+id/propertyChangeClickableText"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="fill"
            android:layout_marginStart="16dp"
            android:clickable="true"
            android:focusable="true"
            android:text="Change Properties"
            android:textColor="@color/colorPrice"
            android:textSize="16sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <ImageButton
            android:id="@+id/confirmItemButton"
            android:layout_width="56dp"
            android:layout_height="56dp"
            android:layout_marginEnd="16dp"
            android:background="@drawable/image_button_border_drawable"
            android:scaleType="fitCenter"
            app:srcCompat="@mipmap/ic_launcher"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent" />
    </android.support.constraint.ConstraintLayout>

    <View
        android:id="@+id/separator"
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:layout_marginTop="16dp"
        android:background="@color/colorDivider"
        app:layout_constraintTop_toBottomOf="@id/propertyRow" />

    <android.support.constraint.ConstraintLayout
        android:id="@+id/topRowLayoutPopup"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/separator">

        <TextView
            android:id="@+id/itemSupplierName"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="fill"
            android:layout_marginStart="16dp"
            android:text="supName"
            android:textColor="@color/colorItemMajor"
            android:textSize="16sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <ImageView
            android:id="@+id/property1_ico"
            android:layout_width="16dp"
            android:layout_height="16dp"
            android:layout_alignBaseline="@+id/itemSupplierName"
            android:layout_marginEnd="4dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/property2_ico"
            app:layout_constraintTop_toTopOf="parent"
            app:srcCompat="@mipmap/ic_launcher" />

        <ImageView
            android:id="@+id/property2_ico"
            android:layout_width="16dp"
            android:layout_height="16dp"
            android:layout_alignBaseline="@+id/itemSupplierName"
            android:layout_marginEnd="4dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/property3_ico"
            app:layout_constraintTop_toTopOf="parent"
            app:srcCompat="@mipmap/ic_launcher" />

        <ImageView
            android:id="@+id/property3_ico"
            android:layout_width="16dp"
            android:layout_height="16dp"
            android:layout_alignBaseline="@+id/itemSupplierName"
            android:layout_marginEnd="16dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:srcCompat="@mipmap/ic_launcher" />
    </android.support.constraint.ConstraintLayout>

    <android.support.constraint.ConstraintLayout
        android:id="@+id/bottomRowLayoutPopup"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="24dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/topRowLayoutPopup">

        <TextView
            android:id="@+id/editSupplierButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignBaseline="@+id/supplierRatingBar"
            android:layout_marginStart="16dp"
            android:clickable="true"
            android:focusable="true"
            android:text="Edit Supplier"
            android:textColor="@color/colorPrice"
            android:textSize="16sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <TextView
            android:id="@+id/supplierRating"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignBaseline="@+id/supplierRatingBar"
            android:layout_gravity="fill"
            android:layout_marginEnd="8dp"
            android:text="supplierRating"
            android:textColor="@color/colorRating"
            android:textSize="@dimen/food_list_bottom_row_font"
            android:textStyle="bold"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/supplierRatingBar"
            app:layout_constraintTop_toTopOf="parent" />

        <RatingBar
            android:id="@+id/supplierRatingBar"
            style="@style/RatingBarStyle"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginEnd="8dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@+id/supplierRatingRateNumber"
            app:layout_constraintTop_toTopOf="parent" />

        <TextView
            android:id="@+id/supplierRatingRateNumber"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignBaseline="@+id/supplierRatingBar"
            android:layout_gravity="fill"
            android:layout_marginEnd="16dp"
            android:text="RateNum"
            android:textColor="@color/colorItemMinor"
            android:textSize="10sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent" />
    </android.support.constraint.ConstraintLayout>

</android.support.constraint.ConstraintLayout>

1 个答案:

答案 0 :(得分：0)

因此，正如@RamiJemli所建议的那样，我将所有ConstraintLayouts替换为RelativeLayouts，并且性能很棒。零跳帧-清除60fps应用运行。显然，那些关于RecyclerViews中的ConstraintLayout> RelativeLayout的文章并不是那么真实（至少在我的应用程序中如此）。

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