<?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="match_parent"     android:background="@color/white"     android:orientation="vertical">     <EditText         android:id="@+id/ed1"         android:layout_width="match_parent"         android:layout_height="60dp"         android:layout_margin="15dp"         android:background="@drawable/white_bg"         android:editable="false"         android:gravity="right|center"         android:hint="万岁" />     <TableLayout         android:layout_width="wrap_content"         android:layout_height="match_parent"         android:layout_gravity="center">         <TableRow             android:layout_width="match_parent"             android:layout_height="match_parent">             <ImageView                 android:id="@+id/imageView"                 android:layout_width="90dp"                 android:layout_height="90dp"                 app:srcCompat="@mipmap/shen2" />  //注意！注意！就是这里的图片不显示！！！             <Button                 android:id="@+id/Del"                 android:layout_width="90dp"                 android:layout_height="90dp"                 android:text="@string/Del" />             <Button                 android:id="@+id/Cancel"                 android:layout_width="90dp"                 android:layout_height="90dp"                 android:text="@string/Cancel" />             <Button                 android:id="@+id/division"                 android:layout_width="90dp"                 android:layout_height="90dp"                 android:text="@string/division" />         </TableRow>     </TableLayout> </LinearLayout>我在AS中预览的时候有图片，但在虚拟机上就没有了，我尝试安装到手机上还是不显示。请教各位大神这是什么原因？怎么解决？感激！！！我附上了图片可以看一下，再次感激！！！