modify lint error

AndroidManifest.xml

@@ -15,6 +15,7 @@
     <application
         android:icon="@drawable/icon"
         android:label="@string/app_name"
+        android:allowBackup="true"
         android:theme="@style/AppTheme" >
         <service android:name=".MyService" />
         <service android:name=".MyIntentService" />
@@ -64,12 +65,6 @@
             android:label="@string/imagesdcardcache_demo_activity_title"
             android:theme="@style/AppTheme" >
         </activity>
-        <activity
-            android:name=".CanvasDrawDemo"
-            android:configChanges="orientation|keyboardHidden"
-            android:label="@string/imagecache_demo_activity_title"
-            android:theme="@style/AppTheme" >
-        </activity>
         <activity
             android:name=".HttpCacheDemo"
             android:configChanges="orientation|keyboardHidden"

res/layout/divider.xml

@@ -2,4 +2,4 @@
 <View xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="@dimen/divider_height"
-    android:background="#D8D8D8" />
+    android:background="@color/divider_color" />

res/layout/image_list_item.xml

@@ -8,6 +8,7 @@
         android:layout_width="300dp"
         android:layout_height="500dp"
         android:layout_centerInParent="true"
+        android:contentDescription="@string/image_content"
         android:scaleType="fitCenter" />
 
 </RelativeLayout>

res/layout/image_sdcard_cache_demo.xml

@@ -1,21 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent" >
+    android:layout_height="match_parent"
+    android:orientation="vertical" >
 
-    <ScrollView
+    <cn.trinea.android.common.view.SlideOnePageGallery
+        android:id="@+id/app_app_image_gallery"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:layout_above="@+id/trinea_info_layout" >
-
-        <RelativeLayout
-            android:id="@+id/image_sdcard_cache_parent_layout"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:gravity="left"
-            android:paddingLeft="@dimen/dp_4" >
-        </RelativeLayout>
-    </ScrollView>
+        android:layout_above="@+id/trinea_info_layout"
+        android:layout_gravity="center"
+        android:spacing="4dp" />
 
     <include
         android:layout_width="match_parent"

res/values/colors.xml

@@ -8,4 +8,5 @@
     <!-- drop down list footer font color -->
     <color name="drop_down_list_footer_font_color">#5200D5</color>
 
+    <color name="divider_color">#D8D8D8</color>
 </resources>

res/values/dimens.xml

@@ -5,7 +5,6 @@
     <dimen name="page_margin">15dp</dimen>
     <dimen name="dp_4">4dp</dimen>
     <dimen name="dp_8">8dp</dimen>
-    <dimen name="dp_60">60dp</dimen>
     <dimen name="dp_40">40dp</dimen>
     <dimen name="sp_16">16sp</dimen>
     <dimen name="search_view_margin_left">55dp</dimen>

src/cn/trinea/android/demo/ImageSDCardCacheDemo.java

@@ -33,7 +33,7 @@ public class ImageSDCardCacheDemo extends BaseActivity {
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState, R.layout.slide_one_page_gallery_demo);
+        super.onCreate(savedInstanceState, R.layout.image_sdcard_cache_demo);
 
         Context context = getApplicationContext();
         initImageUrlList();