修改安装程序PackageInstaller的安装界面的时候遇到的问题，求大神进来看看。。

[头发还没秃a]

InstallAppProgress.java/op_progress.xml:

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2008 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
  
          http://www.apache.org/licenses/LICENSE-2.0
  
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@drawable/bg_check_air1"
        android:orientation="vertical">
            <!-- Launch and close buttons.  -->
    <LinearLayout android:id="@+id/buttons_panel"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:orientation="vertical"
            android:divider="?android:attr/dividerHorizontal"
            android:showDividers="beginning"
            android:paddingTop="16dip">

        <LinearLayout
                style="?android:attr/buttonBarStyle"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:measureWithLargestChild="true">

            <LinearLayout android:id="@+id/leftSpacer"
                    android:layout_weight="0.25"
                    android:layout_width="0dip"
                    android:layout_height="wrap_content"
                    android:orientation="horizontal"
                    android:visibility="gone" />

            <Button android:id="@+id/done_button"
                    android:layout_width="0dip"
                    android:layout_height="wrap_content"
                    android:layout_gravity="start"
                    android:layout_weight="1"
                    android:text="@string/done"
                    android:maxLines="2"
                    style="?android:attr/buttonBarButtonStyle" />

            <Button android:id="@+id/launch_button"
                    android:layout_width="0dip"
                    android:layout_height="wrap_content"
                    android:layout_gravity="end"
                    android:layout_weight="1"
                    android:text="@string/launch"
                    android:maxLines="2"
                    style="?android:attr/buttonBarButtonStyle" />

            <LinearLayout android:id="@+id/rightSpacer"
                    android:layout_width="0dip"
                    android:layout_weight="0.25"
                    android:layout_height="wrap_content"
                    android:orientation="horizontal"
                    android:visibility="gone" />

        </LinearLayout>
    </LinearLayout>

    <include
            layout="@layout/app_details"
            android:id="@+id/app_snippet"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_alignParentTop="true" />

    
           <ImageView
            android:id="@+id/fan_pic"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true"
            android:layout_below="@id/app_snippet"
            android:paddingTop="50dip" 
            android:src="@drawable/fengshan"
            />            

	<TextView
        android:id="@+id/center_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_below="@+id/app_snippet"
        android:gravity="start"
        android:paddingTop="16dip"
        android:text="@string/installing"
        android:textAppearance="?android:attr/textAppearanceMedium" />

    <!-- This explanation text is shown only after the progress bar below goes away. -->
    <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_above="@id/buttons_panel"
            android:layout_below="@id/center_text"
            android:paddingTop="8dip"
            android:paddingStart="16dip"
            android:paddingBottom="16dip">

        <TextView
                android:id="@+id/center_explanation"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center_horizontal"
                android:visibility="gone"
                android:textAppearance="?android:attr/textAppearanceSmall"/>   
     </RelativeLayout>

</RelativeLayout>

app_details.xml:

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2008 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
  
          http://www.apache.org/licenses/LICENSE-2.0
  
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<!--
Defines the layout of the application snippet that appears on top of the
installation screens
-->
<!-- The snippet about the application - title, icon, description.  -->
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/app_snippet"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:paddingStart="16dip"
    android:paddingEnd="16dip"
    android:paddingTop="24dip"
    >
    <ImageView android:id="@+id/app_icon"
        android:layout_width="32dip"
        android:layout_height="32dip"
        android:layout_marginStart="8dip"
        android:background="@color/transparent"
        android:layout_alignParentStart="true"
        android:gravity="start"
        android:scaleType="centerCrop"/>
    <TextView
        android:id="@+id/app_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/app_icon"
        android:layout_toEndOf="@id/app_icon"
        android:layout_toRightOf="@+id/app_icon"
        android:ellipsize="end"
        android:gravity="center"
        android:paddingEnd="16dip"
        android:paddingStart="16dip"
        android:paddingTop="3dip"
        android:shadowColor="@color/shadow"
        android:shadowRadius="2"
        android:singleLine="true"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:textColor="?android:attr/textColorPrimary" />
    <FrameLayout
        android:id="@+id/top_divider"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/app_name">
        
       <ProgressBar
            android:id="@+id/progress_bar"
            style="?android:attr/progressBarStyleHorizontal"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />          
    </FrameLayout>

</RelativeLayout>

InstallAppProgress.java/op_progress.xml 里面的红色代码是我添加的控件，在这个imgv里面加上图片“android:src="@drawable/fengshan"”，运行就报错，不添加图片就没事，在代码里面添加图片也不行，搞了老半天没找到原因。。。求大神解答。。。

编译的时候出现的状况，不知道有没有关系：

[头发还没秃a]

<ImageView android:id="@+id/fan_pic" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:layout_below="@id/app_snippet" android:paddingTop="50dip" android:src="@drawable/fengshan" /> 这个控件是我添加的

[头发还没秃a]

妈蛋，解决了。。找了半天，原来图片只能放在drawable文件夹里面，之前放在drawable-mdpi文件夹里，app不会自动去找图片。。。就这么个问题花了大半天，哭死