无法实例化以下类:Android.Support.V7.Widget.AppCompatimageView

Question

问题：

无法实例化以下类:Android.Support.V7.Widget.AppCompatimageView

 Rendering Problems The following classes could not be instantiated:
- android.support.v7.widget.AppCompatImageView (Open Class, Show Exception, Clear Cache)

 Tip: Use View.isInEditMode() in your custom views to skip code or show sample data when shown in the IDE.  If this is an unexpected error you can also try to build the project, then manually refresh the layout.  


Tip: Try to refresh the layout.

    <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:id="@+id/main_content"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:weightSum="1">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginStart="10dp"
            android:layout_marginTop="18dp"
            android:text="@string/title_best_comments"
            android:textColor="@color/dark_primary"
            android:textSize="14sp" />

        <android.support.v7.widget.RecyclerView
            android:id="@+id/best_comments_rv"
            android:name="com.opera.android.news.comment.CommentFragment"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="10dp"
            android:layout_marginTop="15dp"
            app:layoutManager="LinearLayoutManager"
            tools:context="com.opera.android.news.comment.CommentFragment"
            tools:listitem="@layout/fragment_comment" />

        <View
            android:layout_width="match_parent"
            android:layout_height="1dp"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="10dp" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginStart="10dp"
            android:layout_marginTop="18dp"
            android:text="@string/title_latest_comments"
            android:textColor="@color/dark_primary"
            android:textSize="14sp" />

        <android.support.v7.widget.RecyclerView
            android:id="@+id/latest_comments_rv"
            android:name="com.opera.android.news.comment.CommentFragment"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="10dp"
            app:layoutManager="LinearLayoutManager"
            tools:context="com.opera.android.news.comment.CommentFragment"
            tools:listitem="@layout/fragment_comment" />

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

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

    <RelativeLayout
        android:id="@+id/content_rl"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <ImageView
            android:id="@+id/comment_large_head"
            android:layout_width="28dp"
            android:layout_height="28dp"
            app:srcCompat="@drawable/ic_comment_head_large" />

        <TextView
            android:id="@+id/name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="4dp"
            android:layout_toRightOf="@id/comment_large_head"
            android:text="Romain Beaumont" />

        <TextView
            android:id="@+id/comment_time"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@id/name"
            android:layout_below="@id/name"
            android:text="7h" />

        <TextView
            android:id="@+id/content"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignLeft="@id/name"
            android:layout_below="@+id/comment_time"
            android:text="The previous deal was rejected by the Colombian people in a popular vote on 2 October.The previous deal was" />

        <ImageView
            android:id="@+id/comment_like_iv"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            app:srcCompat="@drawable/ic_comment_unlike" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginRight="5dp"
            android:layout_toLeftOf="@id/comment_like_iv"
            android:text="32" />
    </RelativeLayout>

    <android.support.v7.widget.RecyclerView
        android:id="@+id/replies"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:layout_marginLeft="32dp"
        android:layout_marginRight="5dp"/>
</LinearLayout>

这是跟踪堆栈。

Answer 1

您似乎还没有初始化ImageView。或者你能给我看看你的java代码吗？