From 1b9337ea4f41c12cb108cbe67e0077169b1f0b8c Mon Sep 17 00:00:00 2001
From: Marc Blank <mblank@google.com>
Date: Thu, 23 Sep 2010 09:19:44 -0700
Subject: [PATCH] Wireframe email widget

* Formatting and assets are preliminary
* Functionality correct
* Needs cleanup, etc.

Change-Id: I75051df93d233ef529a616c7a9efae403d320bd2
---
 AndroidManifest.xml                           | 248 +++++---
 res/drawable-hdpi/widget_bg.9.png             | Bin 0 -> 2838 bytes
 res/drawable-hdpi/widget_bg_focus.9.png       | Bin 0 -> 3116 bytes
 res/drawable-hdpi/widget_bg_press.9.png       | Bin 0 -> 3098 bytes
 res/drawable-hdpi/widget_bg_top.9.png         | Bin 0 -> 2603 bytes
 res/drawable-mdpi/widget_bg.9.png             | Bin 0 -> 1694 bytes
 res/drawable-mdpi/widget_bg_focus.9.png       | Bin 0 -> 1907 bytes
 res/drawable-mdpi/widget_bg_press.9.png       | Bin 0 -> 1908 bytes
 res/drawable-mdpi/widget_bg_top.9.png         | Bin 0 -> 1877 bytes
 res/drawable/widget_background.xml            |  22 +
 res/layout/widget.xml                         |  68 +++
 res/layout/widget_list_item.xml               |  56 ++
 res/layout/widget_loading.xml                 |  33 +
 res/values/strings.xml                        |  13 +
 res/xml/widget_info.xml                       |  22 +
 .../android/email/activity/MessageView.java   |   6 +-
 .../android/email/provider/EmailContent.java  |   9 +-
 .../android/email/provider/EmailProvider.java |  26 +-
 .../email/provider/WidgetProvider.java        | 577 ++++++++++++++++++
 19 files changed, 991 insertions(+), 89 deletions(-)
 create mode 100644 res/drawable-hdpi/widget_bg.9.png
 create mode 100644 res/drawable-hdpi/widget_bg_focus.9.png
 create mode 100644 res/drawable-hdpi/widget_bg_press.9.png
 create mode 100644 res/drawable-hdpi/widget_bg_top.9.png
 create mode 100644 res/drawable-mdpi/widget_bg.9.png
 create mode 100644 res/drawable-mdpi/widget_bg_focus.9.png
 create mode 100644 res/drawable-mdpi/widget_bg_press.9.png
 create mode 100644 res/drawable-mdpi/widget_bg_top.9.png
 create mode 100644 res/drawable/widget_background.xml
 create mode 100644 res/layout/widget.xml
 create mode 100644 res/layout/widget_list_item.xml
 create mode 100644 res/layout/widget_loading.xml
 create mode 100644 res/xml/widget_info.xml
 create mode 100644 src/com/android/email/provider/WidgetProvider.java

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 651aaa01c..1cd69bcdc 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -14,47 +14,70 @@
      limitations under the License.
 -->
 
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.android.email">
 
-    <original-package android:name="com.android.email" />
+    <original-package
+        android:name="com.android.email" />
 
-    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
-    <uses-permission android:name="android.permission.READ_CONTACTS"/>
-    <uses-permission android:name="android.permission.READ_OWNER_DATA"/>
-    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
-    <uses-permission android:name="android.permission.INTERNET"/>
-    <uses-permission android:name="android.permission.VIBRATE"/>
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
-    <uses-permission android:name="android.permission.MANAGE_ACCOUNTS" />
-    <uses-permission android:name="android.permission.AUTHENTICATE_ACCOUNTS" />
-    <uses-permission android:name="android.permission.READ_SYNC_SETTINGS" />
-    <uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS" />
+    <uses-permission
+        android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+    <uses-permission
+        android:name="android.permission.READ_CONTACTS"/>
+    <uses-permission
+        android:name="android.permission.READ_OWNER_DATA"/>
+    <uses-permission
+        android:name="android.permission.ACCESS_NETWORK_STATE"/>
+    <uses-permission
+        android:name="android.permission.INTERNET"/>
+    <uses-permission
+        android:name="android.permission.VIBRATE"/>
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission
+        android:name="android.permission.GET_ACCOUNTS" />
+    <uses-permission
+        android:name="android.permission.MANAGE_ACCOUNTS" />
+    <uses-permission
+        android:name="android.permission.AUTHENTICATE_ACCOUNTS" />
+    <uses-permission
+        android:name="android.permission.READ_SYNC_SETTINGS" />
+    <uses-permission
+        android:name="android.permission.WRITE_SYNC_SETTINGS" />
 
     <!--  For EAS purposes; could be removed when EAS has a permanent home -->
-    <uses-permission android:name="android.permission.WRITE_CONTACTS"/>
-    <uses-permission android:name="android.permission.WRITE_CALENDAR"/>
-    <uses-permission android:name="android.permission.READ_CALENDAR"/>
+    <uses-permission
+        android:name="android.permission.WRITE_CONTACTS"/>
+    <uses-permission
+        android:name="android.permission.WRITE_CALENDAR"/>
+    <uses-permission
+        android:name="android.permission.READ_CALENDAR"/>
 
     <!-- Only required if a store implements push mail and needs to keep network open -->
-    <uses-permission android:name="android.permission.WAKE_LOCK"/>
-    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
+    <uses-permission
+        android:name="android.permission.WAKE_LOCK"/>
+    <uses-permission
+        android:name="android.permission.READ_PHONE_STATE"/>
 
     <!-- Grant permission to other apps to view attachments -->
-    <permission android:name="com.android.email.permission.READ_ATTACHMENT"
-                android:permissionGroup="android.permission-group.MESSAGES"
-                android:protectionLevel="dangerous"
-                android:label="@string/read_attachment_label"
-                android:description="@string/read_attachment_desc"/>
-    <uses-permission android:name="com.android.email.permission.READ_ATTACHMENT"/>
+    <permission
+        android:name="com.android.email.permission.READ_ATTACHMENT"
+        android:permissionGroup="android.permission-group.MESSAGES"
+        android:protectionLevel="dangerous"
+        android:label="@string/read_attachment_label"
+        android:description="@string/read_attachment_desc"/>
+    <uses-permission
+        android:name="com.android.email.permission.READ_ATTACHMENT"/>
 
     <!-- Grant permission to system apps to access provider (see provider below) -->
-    <permission android:name="com.android.email.permission.ACCESS_PROVIDER"
-                android:protectionLevel="signatureOrSystem"
-                android:label="@string/permission_access_provider_label"
-                android:description="@string/permission_access_provider_desc"/>
-    <uses-permission android:name="com.android.email.permission.ACCESS_PROVIDER"/>
+    <permission
+        android:name="com.android.email.permission.ACCESS_PROVIDER"
+        android:protectionLevel="signatureOrSystem"
+        android:label="@string/permission_access_provider_label"
+        android:description="@string/permission_access_provider_desc"/>
+    <uses-permission
+        android:name="com.android.email.permission.ACCESS_PROVIDER"/>
 
     <application
         android:icon="@mipmap/icon"
@@ -68,9 +91,12 @@
             android:name=".activity.Welcome"
             >
             <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.LAUNCHER" />
+                <action
+                    android:name="android.intent.action.MAIN" />
+                <category
+                    android:name="android.intent.category.DEFAULT" />
+                <category
+                    android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
         <activity
@@ -124,8 +150,10 @@
             android:label="@string/account_settings_action"
             >
             <intent-filter>
-                <action android:name="com.android.email.activity.setup.ACCOUNT_MANAGER_ENTRY" />
-                <category android:name="android.intent.category.DEFAULT" />
+                <action
+                    android:name="com.android.email.activity.setup.ACCOUNT_MANAGER_ENTRY" />
+                <category
+                    android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
         <activity
@@ -152,10 +180,11 @@
             android:theme="@android:style/Theme.Holo.DialogWhenLarge"
             >
             <intent-filter
-                android:label="@string/account_shortcut_picker_name"
-                >
-                <action android:name="android.intent.action.CREATE_SHORTCUT" />
-                <category android:name="android.intent.category.DEFAULT" />
+                android:label="@string/account_shortcut_picker_name">
+                <action
+                    android:name="android.intent.action.CREATE_SHORTCUT" />
+                <category
+                    android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
 
@@ -186,7 +215,8 @@
             >
             <intent-filter>
                 <!-- This action is only to allow an entry point for launcher shortcuts -->
-                <action android:name="android.intent.action.MAIN" />
+                <action
+                    android:name="android.intent.action.MAIN" />
             </intent-filter>
         </activity>
 
@@ -197,11 +227,16 @@
         <activity
             android:name=".activity.MessageFileView"
             >
-            <intent-filter android:label="@string/app_name">
-                <action android:name="android.intent.action.VIEW" />
-                <data android:mimeType="application/eml" />
-                <data android:mimeType="message/rfc822" />
-                <category android:name="android.intent.category.DEFAULT" />
+            <intent-filter
+                android:label="@string/app_name">
+                <action
+                    android:name="android.intent.action.VIEW" />
+                <data
+                    android:mimeType="application/eml" />
+                <data
+                    android:mimeType="message/rfc822" />
+                <category
+                    android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
         <activity
@@ -210,45 +245,74 @@
             android:enabled="false"
             >
             <intent-filter>
-                <action android:name="android.intent.action.VIEW" />
-                <action android:name="android.intent.action.SENDTO" />
-                <data android:scheme="mailto" />
-                <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.BROWSABLE" />
+                <action
+                    android:name="android.intent.action.VIEW" />
+                <action
+                    android:name="android.intent.action.SENDTO" />
+                <data
+                    android:scheme="mailto" />
+                <category
+                    android:name="android.intent.category.DEFAULT" />
+                <category
+                    android:name="android.intent.category.BROWSABLE" />
             </intent-filter>
-            <intent-filter android:label="@string/app_name">
-                <action android:name="android.intent.action.SEND" />
-                <data android:mimeType="*/*" />
-                <category android:name="android.intent.category.DEFAULT" />
+            <intent-filter
+                android:label="@string/app_name">
+                <action
+                    android:name="android.intent.action.SEND" />
+                <data
+                    android:mimeType="*/*" />
+                <category
+                    android:name="android.intent.category.DEFAULT" />
             </intent-filter>
-            <intent-filter android:label="@string/app_name">
-                <action android:name="android.intent.action.SEND_MULTIPLE" />
-                <data android:mimeType="*/*" />
-                <category android:name="android.intent.category.DEFAULT" />
+            <intent-filter
+                android:label="@string/app_name">
+                <action
+                    android:name="android.intent.action.SEND_MULTIPLE" />
+                <data
+                    android:mimeType="*/*" />
+                <category
+                    android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <intent-filter>
+                <action
+                    android:name="com.android.email.intent.action.REPLY" />
             </intent-filter>
         </activity>
         <!--EXCHANGE-REMOVE-SECTION-START-->
-        <receiver android:name="com.android.exchange.EmailSyncAlarmReceiver"/>
-        <receiver android:name="com.android.exchange.MailboxAlarmReceiver"/>
+        <receiver
+            android:name="com.android.exchange.EmailSyncAlarmReceiver"/>
+        <receiver
+            android:name="com.android.exchange.MailboxAlarmReceiver"/>
         <!--EXCHANGE-REMOVE-SECTION-END-->
 
-        <receiver android:name=".service.AttachmentDownloadService$Watchdog"
+        <receiver 
+            android:name=".service.AttachmentDownloadService$Watchdog"
             android:enabled="true"/>
 
-        <receiver android:name=".service.EmailBroadcastReceiver" android:enabled="true">
+        <receiver
+            android:name=".service.EmailBroadcastReceiver"
+            android:enabled="true">
             <intent-filter>
-                <action android:name="android.intent.action.BOOT_COMPLETED" />
-                <action android:name="android.intent.action.DEVICE_STORAGE_LOW" />
-                <action android:name="android.intent.action.DEVICE_STORAGE_OK" />
+                <action
+                    android:name="android.intent.action.BOOT_COMPLETED" />
+                <action
+                    android:name="android.intent.action.DEVICE_STORAGE_LOW" />
+                <action
+                    android:name="android.intent.action.DEVICE_STORAGE_OK" />
             </intent-filter>
             <!-- To handle secret code to activate the debug screen. -->
             <intent-filter>
-                <action android:name="android.provider.Telephony.SECRET_CODE" />
+                <action
+                    android:name="android.provider.Telephony.SECRET_CODE" />
                 <!-- "36245" = "email" -->
-                <data android:scheme="android_secret_code" android:host="36245" />
+                <data
+                    android:scheme="android_secret_code"
+                    android:host="36245" />
             </intent-filter>
         </receiver>
-        <service android:name=".service.EmailBroadcastProcessorService" />
+        <service
+            android:name=".service.EmailBroadcastProcessorService" />
 
         <!-- Support for DeviceAdmin / DevicePolicyManager.  See SecurityPolicy class for impl. -->
         <receiver
@@ -260,7 +324,8 @@
                 android:name="android.app.device_admin"
                 android:resource="@xml/device_admin" />
             <intent-filter>
-                <action android:name="android.app.action.DEVICE_ADMIN_ENABLED" />
+                <action
+                    android:name="android.app.action.DEVICE_ADMIN_ENABLED" />
             </intent-filter>
         </receiver>
 
@@ -290,7 +355,8 @@
             android:enabled="true"
             >
             <intent-filter>
-                <action android:name="android.accounts.AccountAuthenticator" />
+                <action 
+                    android:name="android.accounts.AccountAuthenticator" />
             </intent-filter>
             <meta-data
                 android:name="android.accounts.AccountAuthenticator"
@@ -303,7 +369,8 @@
             android:name="com.android.email.service.PopImapSyncAdapterService"
             android:exported="true">
             <intent-filter>
-                <action android:name="android.content.SyncAdapter" />
+                <action
+                    android:name="android.content.SyncAdapter" />
             </intent-filter>
             <meta-data android:name="android.content.SyncAdapter"
                        android:resource="@xml/syncadapter_pop_imap" />
@@ -315,7 +382,8 @@
             android:name="com.android.exchange.EmailSyncAdapterService"
             android:exported="true">
             <intent-filter>
-                <action android:name="android.content.SyncAdapter" />
+                <action
+                    android:name="android.content.SyncAdapter" />
             </intent-filter>
             <meta-data android:name="android.content.SyncAdapter"
                        android:resource="@xml/syncadapter_email" />
@@ -326,7 +394,8 @@
             android:name="com.android.exchange.ContactsSyncAdapterService"
             android:exported="true">
             <intent-filter>
-                <action android:name="android.content.SyncAdapter" />
+                <action
+                    android:name="android.content.SyncAdapter" />
             </intent-filter>
             <meta-data android:name="android.content.SyncAdapter"
                        android:resource="@xml/syncadapter_contacts" />
@@ -337,7 +406,8 @@
             android:name="com.android.exchange.CalendarSyncAdapterService"
             android:exported="true">
             <intent-filter>
-                <action android:name="android.content.SyncAdapter" />
+                <action
+                    android:name="android.content.SyncAdapter" />
             </intent-filter>
             <meta-data android:name="android.content.SyncAdapter"
                        android:resource="@xml/syncadapter_calendar" />
@@ -357,7 +427,8 @@
             android:enabled="true"
             >
             <intent-filter>
-                <action android:name="android.accounts.AccountAuthenticator" />
+                <action
+                    android:name="android.accounts.AccountAuthenticator" />
             </intent-filter>
             <meta-data
                 android:name="android.accounts.AccountAuthenticator"
@@ -365,7 +436,7 @@
                 />
         </service>
         <!--
-            EasAuthenticatorService with the altenative label.  Disabled by default,
+            EasAuthenticatorService with the alternative label.  Disabled by default,
             and OneTimeInitializer enables it if the vendor policy tells so.
         -->
         <service
@@ -374,7 +445,8 @@
             android:enabled="false"
             >
             <intent-filter>
-                <action android:name="android.accounts.AccountAuthenticator" />
+                <action
+                    android:name="android.accounts.AccountAuthenticator" />
             </intent-filter>
             <meta-data
                 android:name="android.accounts.AccountAuthenticator"
@@ -395,7 +467,7 @@
              it exposes user passwords and other confidential information. -->
         <provider
             android:name=".provider.EmailProvider"
-            android:authorities="com.android.email.provider"
+            android:authorities="com.android.email.provider; com.android.email.notifier"
             android:multiprocess="true"
             android:permission="com.android.email.permission.ACCESS_PROVIDER"
             android:label="@string/app_name"
@@ -408,9 +480,27 @@
             android:readPermission="android.permission.READ_CONTACTS"
             android:multiprocess="false"
             >
-          <meta-data android:name="android.content.ContactDirectory" android:value="true"/>
+          <meta-data 
+              android:name="android.content.ContactDirectory"
+              android:value="true"/>
         </provider>
         <!--EXCHANGE-REMOVE-SECTION-END-->
 
+        <!-- Email AppWidget definitions -->
+        <service
+            android:name=".provider.WidgetProvider$WidgetService"
+            android:enabled="true"
+            android:exported="true"
+            />
+        <receiver
+            android:name=".provider.WidgetProvider" >
+            <intent-filter>
+                <action 
+                    android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+            <meta-data 
+                android:name="android.appwidget.provider"
+                android:resource="@xml/widget_info" />
+        </receiver>
     </application>
 </manifest>
diff --git a/res/drawable-hdpi/widget_bg.9.png b/res/drawable-hdpi/widget_bg.9.png
new file mode 100644
index 0000000000000000000000000000000000000000..d9af8fbada29a0b74ccfcd79b752afdf7ba942b1
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literal 0
HcmV?d00001

diff --git a/res/drawable-mdpi/widget_bg.9.png b/res/drawable-mdpi/widget_bg.9.png
new file mode 100644
index 0000000000000000000000000000000000000000..80491912d80b1d4dd9951a542f8aac947ed9e92e
GIT binary patch
literal 1694
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literal 0
HcmV?d00001

diff --git a/res/drawable-mdpi/widget_bg_focus.9.png b/res/drawable-mdpi/widget_bg_focus.9.png
new file mode 100644
index 0000000000000000000000000000000000000000..f4bbb08eb8be15a4faaa731279eeb503fdcbee1b
GIT binary patch
literal 1907
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HcmV?d00001

diff --git a/res/drawable-mdpi/widget_bg_press.9.png b/res/drawable-mdpi/widget_bg_press.9.png
new file mode 100644
index 0000000000000000000000000000000000000000..d060b77556bb6930c035116e65dbe6ae3fbed24e
GIT binary patch
literal 1908
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new file mode 100644
index 0000000000000000000000000000000000000000..af0f466c124dab03ae9c1bd2f00ec4d883850b61
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literal 0
HcmV?d00001

diff --git a/res/drawable/widget_background.xml b/res/drawable/widget_background.xml
new file mode 100644
index 000000000..83f7a8b7b
--- /dev/null
+++ b/res/drawable/widget_background.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_window_focused="false" android:drawable="@drawable/widget_bg" />
+    <item android:state_pressed="true" android:drawable="@drawable/widget_bg_press" />
+    <item android:state_focused="true" android:drawable="@drawable/widget_bg_focus" />
+    <item android:drawable="@drawable/widget_bg" />
+</selector>
diff --git a/res/layout/widget.xml b/res/layout/widget.xml
new file mode 100644
index 000000000..2885ac079
--- /dev/null
+++ b/res/layout/widget.xml
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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:id="@+id/widget_foo"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    android:layout_margin="5dip"
+    android:background="@drawable/widget_background"
+    android:orientation="vertical">
+    <RelativeLayout
+        android:id="@+id/widget_header"
+        android:layout_width="fill_parent"
+        android:layout_height="60dip"
+        android:background="@drawable/widget_bg_top"
+        android:orientation="horizontal">
+        <ImageView
+            android:id="@+id/widget_logo"
+            android:layout_width="60dip"
+            android:layout_height="60dip"
+            android:layout_marginLeft="5dip"
+            android:layout_marginRight="2dip"
+            android:layout_marginBottom="5dip"
+            android:layout_alignParentTop="true"
+            android:layout_alignParentLeft="true"
+            android:src="@mipmap/icon"/>
+        <ImageButton
+            android:id="@+id/widget_compose"
+            android:layout_width="56dip"
+            android:layout_height="56dip"
+            android:layout_marginRight="5dip"
+            android:layout_marginTop="3dip"
+            android:layout_alignParentTop="true"
+            android:layout_alignParentRight="true"
+            android:src="@drawable/ic_menu_compose"/>
+        <TextView
+            android:id="@+id/widget_title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_toRightOf="@id/widget_logo"
+            android:layout_marginTop="10dip"
+            android:textSize="18sp"
+            android:textColor="#F000"
+            android:textStyle="bold"
+            android:text="@string/widget_unread" />
+    </RelativeLayout>
+    <ListView
+        android:id="@+id/message_list"
+        android:layout_width="fill_parent"
+        android:layout_height="fill_parent"
+        android:layout_below="@id/widget_header"
+        android:cacheColorHint="#00000000"
+         />
+</RelativeLayout>
\ No newline at end of file
diff --git a/res/layout/widget_list_item.xml b/res/layout/widget_list_item.xml
new file mode 100644
index 000000000..3332c1b6e
--- /dev/null
+++ b/res/layout/widget_list_item.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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:id="@+id/widget_message"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+    <TextView
+        android:id="@+id/widget_date"
+        android:layout_width="64dip"
+        android:layout_height="wrap_content"
+        android:layout_alignParentRight="true"
+        android:textColor="#F000"
+        android:textSize="14sp"
+        android:paddingLeft="10dip"
+        android:drawablePadding="4dip"
+    />
+<TextView
+    android:id="@+id/widget_from"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_alignParentLeft="true"
+    android:layout_toLeftOf="@id/widget_date"
+    android:textColor="#F000"
+    android:ellipsize="end"
+    android:singleLine="true"
+    android:textSize="16sp"
+    android:paddingLeft="10dip"
+    android:drawablePadding="4dip"
+    />
+<TextView
+    android:id="@+id/widget_subject"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_below="@id/widget_from"
+    android:minLines="2"
+    android:textSize="14sp"
+    android:textColor="#F000"
+    android:paddingLeft="10dip"
+    />
+</RelativeLayout>
\ No newline at end of file
diff --git a/res/layout/widget_loading.xml b/res/layout/widget_loading.xml
new file mode 100644
index 000000000..a25e32de0
--- /dev/null
+++ b/res/layout/widget_loading.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="50dip"
+    android:orientation="horizontal">
+    <TextView
+        android:id="@+id/loading_text"
+        android:layout_height="fill_parent"
+        android:layout_width="fill_parent"
+        android:gravity="center"
+        android:textColor="#60FFFFFF"
+        android:textSize="20sp"
+        android:shadowColor="#FF000000"
+        android:shadowDx="0.0"
+        android:shadowDy="1.0"
+        android:shadowRadius="2.0" />
+</LinearLayout>
\ No newline at end of file
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 0a3e88951..db5ef2b18 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1012,6 +1012,19 @@ save attachment.</string>
     <!-- Generic string for "current position" / "total number" [CHAR LIMIT=12] -->
     <string name="position_of_count"><xliff:g example="1">%1$d</xliff:g> of <xliff:g
             example="12">%2$s</xliff:g></string>
+
+    <!-- Widget -->
+    <!-- Instruction for how to move to different widget views [CHAR LIMIT=50] -->
+    <string name="widget_other_views">Tap email icon for other views</string>
+    <!-- Header for the "All Mail" widget view (showing all of the user's mail) [CHAR LIMIT=20] -->
+    <string name="widget_all_mail">All Mail</string>
+    <!-- Header for the "Unread" widget view (showing all unread mail) [CHAR LIMIT=20] -->
+    <string name="widget_unread">All Unread</string>
+    <!-- Header for the "Starred" widget view (showing all starred mail) [CHAR LIMIT=20] -->
+    <string name="widget_starred">All Starred</string>
+    <!-- Shown when waiting for mail data to be loaded into the widget list view [CHAR LIMIT=20] -->
+    <string name="widget_loading">Loading\u2026</string>
+
     <!--
         Strings for temporary UI
         STOPSHIP Remove them or move them up and make translatable
diff --git a/res/xml/widget_info.xml b/res/xml/widget_info.xml
new file mode 100644
index 000000000..6885bd5f6
--- /dev/null
+++ b/res/xml/widget_info.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
+
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+    android:minWidth="220dp"
+    android:minHeight="220dp"
+    android:updatePeriodMillis="0"
+    android:initialLayout="@layout/widget" >
+</appwidget-provider>
\ No newline at end of file
diff --git a/src/com/android/email/activity/MessageView.java b/src/com/android/email/activity/MessageView.java
index 8ab1c6c2d..d485f0c25 100644
--- a/src/com/android/email/activity/MessageView.java
+++ b/src/com/android/email/activity/MessageView.java
@@ -62,13 +62,17 @@ public class MessageView extends MessageViewBase implements View.OnClickListener
      * @param mailboxId identifies the sequence of messages used for newer/older navigation.
      */
     public static void actionView(Context context, long messageId, long mailboxId) {
+        context.startActivity(getActionViewIntent(context, messageId, mailboxId));
+    }
+
+    public static Intent getActionViewIntent(Context context, long messageId, long mailboxId) {
         if (messageId < 0) {
             throw new IllegalArgumentException("MessageView invalid messageId " + messageId);
         }
         Intent i = new Intent(context, MessageView.class);
         i.putExtra(EXTRA_MESSAGE_ID, messageId);
         i.putExtra(EXTRA_MAILBOX_ID, mailboxId);
-        context.startActivity(i);
+        return i;
     }
 
     @Override
diff --git a/src/com/android/email/provider/EmailContent.java b/src/com/android/email/provider/EmailContent.java
index 3ffbe822b..5e7ddf907 100644
--- a/src/com/android/email/provider/EmailContent.java
+++ b/src/com/android/email/provider/EmailContent.java
@@ -63,13 +63,16 @@ import java.util.UUID;
  */
 public abstract class EmailContent {
     public static final String AUTHORITY = EmailProvider.EMAIL_AUTHORITY;
+    public static final String NOTIFIER_AUTHORITY = EmailProvider.EMAIL_NOTIFIER_AUTHORITY;
     public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY);
     public static final String PARAMETER_LIMIT = "limit";
 
+    public static final Uri CONTENT_NOTIFIER_URI = Uri.parse("content://" + NOTIFIER_AUTHORITY);
+
     // All classes share this
     public static final String RECORD_ID = "_id";
 
-    private static final String[] COUNT_COLUMNS = new String[]{"count(*)"};
+    public static final String[] COUNT_COLUMNS = new String[]{"count(*)"};
 
     /**
      * This projection can be used with any of the EmailContent classes, when all you need
@@ -448,7 +451,6 @@ public abstract class EmailContent {
         public static final String DELETED_TABLE_NAME = "Message_Deletes";
 
         // To refer to a specific message, use ContentUris.withAppendedId(CONTENT_URI, id)
-        @SuppressWarnings("hiding")
         public static final Uri CONTENT_URI = Uri.parse(EmailContent.CONTENT_URI + "/message");
         public static final Uri CONTENT_URI_LIMIT_1 = uriWithLimit(CONTENT_URI, 1);
         public static final Uri SYNCED_CONTENT_URI =
@@ -457,6 +459,8 @@ public abstract class EmailContent {
             Uri.parse(EmailContent.CONTENT_URI + "/deletedMessage");
         public static final Uri UPDATED_CONTENT_URI =
             Uri.parse(EmailContent.CONTENT_URI + "/updatedMessage");
+        public static final Uri NOTIFIER_URI =
+            Uri.parse(EmailContent.CONTENT_NOTIFIER_URI + "/message");
 
         public static final String KEY_TIMESTAMP_DESC = MessageColumns.TIMESTAMP + " desc";
 
@@ -925,7 +929,6 @@ public abstract class EmailContent {
 
     public static final class Account extends EmailContent implements AccountColumns, Parcelable {
         public static final String TABLE_NAME = "Account";
-        @SuppressWarnings("hiding")
         public static final Uri CONTENT_URI = Uri.parse(EmailContent.CONTENT_URI + "/account");
         public static final Uri ADD_TO_FIELD_URI =
             Uri.parse(EmailContent.CONTENT_URI + "/accountIdAddToField");
diff --git a/src/com/android/email/provider/EmailProvider.java b/src/com/android/email/provider/EmailProvider.java
index 79559b358..f19f26481 100644
--- a/src/com/android/email/provider/EmailProvider.java
+++ b/src/com/android/email/provider/EmailProvider.java
@@ -37,6 +37,7 @@ import android.accounts.AccountManager;
 import android.content.ContentProvider;
 import android.content.ContentProviderOperation;
 import android.content.ContentProviderResult;
+import android.content.ContentResolver;
 import android.content.ContentUris;
 import android.content.ContentValues;
 import android.content.Context;
@@ -116,6 +117,10 @@ public class EmailProvider extends ContentProvider {
     public static final int BODY_DATABASE_VERSION = 6;
 
     public static final String EMAIL_AUTHORITY = "com.android.email.provider";
+    // The notifier authority is used to send notifications regarding changes to messages (insert,
+    // delete, or update) and is intended as an optimization for use by clients of message list
+    // cursors (initially, the email AppWidget).
+    public static final String EMAIL_NOTIFIER_AUTHORITY = "com.android.email.notifier";
 
     private static final int ACCOUNT_BASE = 0;
     private static final int ACCOUNT = ACCOUNT_BASE;
@@ -911,6 +916,7 @@ public class EmailProvider extends ContentProvider {
         int table = match >> BASE_SHIFT;
         String id = "0";
         boolean messageDeletion = false;
+        ContentResolver resolver = context.getContentResolver();
 
         if (Email.LOGD) {
             Log.v(TAG, "EmailProvider.delete: uri=" + uri + ", match is " + match);
@@ -940,6 +946,7 @@ public class EmailProvider extends ContentProvider {
                     // Bodies are auto-deleted here;  Attachments are auto-deleted via trigger
                     messageDeletion = true;
                     db.beginTransaction();
+                    resolver.notifyChange(Message.NOTIFIER_URI, null);
                     break;
             }
             switch (match) {
@@ -1045,7 +1052,7 @@ public class EmailProvider extends ContentProvider {
         }
 
         // Notify all existing cursors.
-        getContext().getContentResolver().notifyChange(EmailContent.CONTENT_URI, null);
+        resolver.notifyChange(EmailContent.CONTENT_URI, null);
         return result;
     }
 
@@ -1101,6 +1108,8 @@ public class EmailProvider extends ContentProvider {
         if (Email.DEBUG_THREAD_CHECK) Email.warnIfUiThread();
         int match = sURIMatcher.match(uri);
         Context context = getContext();
+        ContentResolver resolver = context.getContentResolver();
+
         // See the comment at delete(), above
         SQLiteDatabase db = getDatabase(context);
         int table = match >> BASE_SHIFT;
@@ -1121,10 +1130,12 @@ public class EmailProvider extends ContentProvider {
 
         try {
             switch (match) {
+                case MESSAGE:
+                    resolver.notifyChange(Message.NOTIFIER_URI, null);
+                    //$FALL-THROUGH$
                 case UPDATED_MESSAGE:
                 case DELETED_MESSAGE:
                 case BODY:
-                case MESSAGE:
                 case ATTACHMENT:
                 case MAILBOX:
                 case ACCOUNT:
@@ -1175,7 +1186,7 @@ public class EmailProvider extends ContentProvider {
         }
 
         // Notify all existing cursors.
-        getContext().getContentResolver().notifyChange(EmailContent.CONTENT_URI, null);
+        resolver.notifyChange(EmailContent.CONTENT_URI, null);
         return resultUri;
     }
 
@@ -1360,6 +1371,7 @@ public class EmailProvider extends ContentProvider {
 
         int match = sURIMatcher.match(uri);
         Context context = getContext();
+        ContentResolver resolver = context.getContentResolver();
         // See the comment at delete(), above
         SQLiteDatabase db = getDatabase(context);
         int table = match >> BASE_SHIFT;
@@ -1411,10 +1423,12 @@ public class EmailProvider extends ContentProvider {
                     db.setTransactionSuccessful();
                     db.endTransaction();
                     break;
-                case BODY_ID:
-                case MESSAGE_ID:
                 case SYNCED_MESSAGE_ID:
+                    resolver.notifyChange(Message.NOTIFIER_URI, null);
+                  //$FALL-THROUGH$
                 case UPDATED_MESSAGE_ID:
+                case MESSAGE_ID:
+                case BODY_ID:
                 case ATTACHMENT_ID:
                 case MAILBOX_ID:
                 case ACCOUNT_ID:
@@ -1490,7 +1504,7 @@ public class EmailProvider extends ContentProvider {
             throw e;
         }
 
-        context.getContentResolver().notifyChange(notificationUri, null);
+        resolver.notifyChange(notificationUri, null);
         return result;
     }
 
diff --git a/src/com/android/email/provider/WidgetProvider.java b/src/com/android/email/provider/WidgetProvider.java
new file mode 100644
index 000000000..653edb23f
--- /dev/null
+++ b/src/com/android/email/provider/WidgetProvider.java
@@ -0,0 +1,577 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+package com.android.email.provider;
+
+import com.android.email.Email;
+import com.android.email.R;
+import com.android.email.activity.MessageCompose;
+import com.android.email.activity.MessageView;
+import com.android.email.data.ThrottlingCursorLoader;
+import com.android.email.provider.EmailContent.Message;
+import com.android.email.provider.EmailContent.MessageColumns;
+
+import android.app.Activity;
+import android.app.PendingIntent;
+import android.app.Service;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProvider;
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.Context;
+import android.content.Intent;
+import android.content.Loader;
+import android.database.Cursor;
+import android.graphics.Paint.Align;
+import android.graphics.Typeface;
+import android.net.Uri;
+import android.net.Uri.Builder;
+import android.os.Bundle;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.TextPaint;
+import android.text.TextUtils;
+import android.text.TextUtils.TruncateAt;
+import android.text.format.DateUtils;
+import android.text.style.StyleSpan;
+import android.util.Log;
+import android.widget.RemoteViews;
+import android.widget.RemoteViewsService;
+
+import java.util.HashMap;
+import java.util.List;
+
+public class WidgetProvider extends AppWidgetProvider {
+    private static final String TAG = "WidgetProvider";
+
+    /**
+     * When handling clicks in a widget ListView, a single PendingIntent template is provided to
+     * RemoteViews, and the individual "on click" actions are distinguished via a "fillInIntent"
+     * on each list element; when a click is received, this "fillInIntent" is merged with the
+     * PendingIntent using Intent.fillIn().  Since this mechanism does NOT preserve the Extras
+     * Bundle, we instead encode information about the action (e.g. view, reply, etc.) and its
+     * arguments (e.g. messageId, mailboxId, etc.) in an Uri which is added to the Intent via
+     * Intent.setDataAndType()
+     *
+     * The mime type MUST be set in the Intent, even though we do not use it; therefore, it's value
+     * is entirely arbitrary.
+     *
+     * Our "command" Uri is NOT used by the system in any manner, and is therefore constrained only
+     * in the requirement that it be syntactically valid.
+     *
+     * We use the following convention for our commands:
+     *     widget://command/<command>/<arg1>[/<arg2>]
+     */
+    private static final String WIDGET_DATA_MIME_TYPE = "com.android.email/widget_data";
+    private static final Uri COMMAND_URI = Uri.parse("widget://command");
+
+    // Command names and Uri's built upon COMMAND_URI
+    private static final String COMMAND_NAME_SWITCH_LIST_VIEW = "switch_list_view";
+    private static final Uri COMMAND_URI_SWITCH_LIST_VIEW =
+        COMMAND_URI.buildUpon().appendPath(COMMAND_NAME_SWITCH_LIST_VIEW).build();
+    private static final String COMMAND_NAME_VIEW_MESSAGE = "view_message";
+    private static final Uri COMMAND_URI_VIEW_MESSAGE =
+        COMMAND_URI.buildUpon().appendPath(COMMAND_NAME_VIEW_MESSAGE).build();
+
+    private static final int TOTAL_COUNT_UNKNOWN = -1;
+    private static final int MAX_MESSAGE_LIST_COUNT = 25;
+
+    private static final String SORT_DESCENDING = MessageColumns.TIMESTAMP + " DESC";
+
+    // Map holding our instantiated widgets, accessed by widget id
+    private static HashMap<Integer, EmailWidget> sWidgetMap = new HashMap<Integer, EmailWidget>();
+    private static AppWidgetManager sWidgetManager;
+    private static Context sContext;
+    private static ContentResolver sResolver;
+    private static TextPaint sDatePaint = new TextPaint();
+
+    /**
+     * Types of views that we're prepared to show in the widget - all mail, unread mail, and starred
+     * mail; we rotate between them.  Each ViewType is composed of a selection string and a title.
+     */
+    public enum ViewType {
+        ALL_MAIL(null, R.string.widget_all_mail),
+        UNREAD(MessageColumns.FLAG_READ + "=0", R.string.widget_unread),
+        STARRED(MessageColumns.FLAG_FAVORITE + "=1", R.string.widget_starred);
+
+        private final String selection;
+        private final int titleResource;
+        private String title;
+
+        ViewType(String _selection, int _titleResource) {
+            selection = _selection;
+            titleResource = _titleResource;
+        }
+
+        public String getTitle(Context context) {
+            if (title == null) {
+                title = context.getString(titleResource);
+            }
+            return title;
+        }
+    }
+
+    static class EmailWidget implements RemoteViewsService.RemoteViewsFactory {
+        // The widget identifier
+        private final int mWidgetId;
+
+        // The cursor underlying the message list for this widget; this must only be modified while
+        // holding mCursorLock
+        private volatile Cursor mCursor;
+        // A lock on our cursor, which is used in the UI thread while inflating views, and by
+        // our Loader in the background
+        private final Object mCursorLock = new Object();
+        // Number of records in the cursor
+        private int mCursorCount = TOTAL_COUNT_UNKNOWN;
+        // The widget's loader (derived from ThrottlingCursorLoader)
+        private WidgetLoader mLoader;
+
+        // The current view type (all mail, unread, or starred for now)
+        private ViewType mViewType = ViewType.ALL_MAIL;
+
+        // The projection to be used by the WidgetLoader
+        public static final String[] WIDGET_PROJECTION = new String[] {
+            EmailContent.RECORD_ID, MessageColumns.DISPLAY_NAME, MessageColumns.TIMESTAMP,
+            MessageColumns.SUBJECT, MessageColumns.FLAG_READ, MessageColumns.FLAG_FAVORITE,
+            MessageColumns.FLAG_ATTACHMENT, MessageColumns.MAILBOX_KEY, MessageColumns.SNIPPET,
+            MessageColumns.ACCOUNT_KEY
+            };
+        public static final int WIDGET_COLUMN_ID = 0;
+        public static final int WIDGET_COLUMN_DISPLAY_NAME = 1;
+        public static final int WIDGET_COLUMN_TIMESTAMP = 2;
+        public static final int WIDGET_COLUMN_SUBJECT = 3;
+        public static final int WIDGET_COLUMN_FLAG_READ = 4;
+        public static final int WIDGET_COLUMN_FLAG_FAVORITE = 5;
+        public static final int WIDGET_COLUMN_FLAG_ATTACHMENT = 6;
+        public static final int WIDGET_COLUMN_MAILBOX_KEY = 7;
+        public static final int WIDGET_COLUMN_SNIPPET = 8;
+        public static final int WIDGET_COLUMN_ACCOUNT_KEY = 9;
+
+        public EmailWidget(int _widgetId) {
+            super();
+            if (Email.DEBUG) {
+                Log.d(TAG, "Creating EmailWidget with id = " + _widgetId);
+            }
+            mWidgetId = _widgetId;
+            mLoader = new WidgetLoader();
+            if (sDatePaint == null) {
+                sDatePaint = new TextPaint();
+                sDatePaint.setTypeface(Typeface.DEFAULT);
+                sDatePaint.setTextSize(14);
+                sDatePaint.setAntiAlias(true);
+                sDatePaint.setTextAlign(Align.RIGHT);
+            }
+        }
+
+        /**
+         * The ThrottlingCursorLoader does all of the heavy lifting in managing the data loading
+         * task; all we need is to register a listener so that we're notified when the load is
+         * complete.
+         */
+        final class WidgetLoader extends ThrottlingCursorLoader {
+            protected WidgetLoader() {
+                super(sContext, Message.CONTENT_URI, WIDGET_PROJECTION, mViewType.selection, null,
+                        SORT_DESCENDING);
+                registerListener(0, new OnLoadCompleteListener<Cursor>() {
+                    @Override
+                    public void onLoadComplete(Loader<Cursor> loader, Cursor cursor) {
+                        synchronized (mCursorLock) {
+                            // Save away the cursor
+                            mCursor = cursor;
+                            // Reset the notification Uri to our Message table notifier URI
+                            mCursor.setNotificationUri(sResolver, Message.NOTIFIER_URI);
+                            // Save away the count (for display)
+                            mCursorCount = mCursor.getCount();
+                            if (Email.DEBUG) {
+                                Log.d(TAG, "onLoadComplete, count = " + cursor.getCount());
+                            }
+                        }
+                        RemoteViews views =
+                            new RemoteViews(sContext.getPackageName(), R.layout.widget);
+                        views.setTextViewText(R.id.widget_title,
+                                mViewType.getTitle(sContext) + " ("  + mCursorCount + ")");
+                        sWidgetManager.partiallyUpdateAppWidget(mWidgetId, views);
+                        sWidgetManager.notifyAppWidgetViewDataChanged(mWidgetId, R.id.message_list);
+                    }
+                });
+                startLoading();
+            }
+
+            /**
+             * Convenience method that stops existing loading (if any), sets a (possibly new)
+             * selection criterion, and starts loading
+             *
+             * @param selection a valid query selection argument
+             */
+            void startLoadingWithSelection(String selection) {
+                stopLoading();
+                setSelection(selection);
+                startLoading();
+            }
+        }
+
+        /**
+         * Switch to the next widget view (cycles all -> unread -> starred)
+         */
+        public void switchToNextView() {
+            switch(mViewType) {
+                case ALL_MAIL:
+                    mViewType = ViewType.UNREAD;
+                    break;
+                case UNREAD:
+                    mViewType = ViewType.STARRED;
+                    break;
+                case STARRED:
+                    mViewType = ViewType.ALL_MAIL;
+                    break;
+            }
+            synchronized(mCursorLock) {
+                mCursorCount = TOTAL_COUNT_UNKNOWN;
+                invalidateCursorLocked();
+                mLoader.startLoadingWithSelection(mViewType.selection);
+            }
+        }
+
+        /**
+         * Invalidates the current cursor and tells the UI that the underlying data has changed.
+         * This method must be called while holding mCursorLock
+         */
+        private void invalidateCursorLocked() {
+            mCursor = null;
+            sWidgetManager.notifyAppWidgetViewDataChanged(mWidgetId, R.id.message_list);
+        }
+
+        private void setStyleSpan(SpannableString str, int typeface) {
+            int length = str.length();
+            str.setSpan(new StyleSpan(typeface), 0, length, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+        }
+
+        private CharSequence formattedText(String str, int typeface) {
+            if (str == null) {
+                return "";
+            }
+            SpannableString ss = new SpannableString(str);
+            setStyleSpan(ss, typeface);
+            return ss;
+        }
+
+        private CharSequence formattedTextFromCursor(Cursor c, int column, int typeface) {
+            return formattedText(mCursor.getString(column), typeface);
+        }
+
+
+        /**
+         * Convenience method for creating an onClickPendingIntent that executes a command via
+         * our command Uri.  Used for the "next view" command; appends the widget id to the command
+         * Uri.
+         *
+         * @param views The RemoteViews we're inflating
+         * @param buttonId the id of the button view
+         * @param data the command Uri
+         */
+        private void setCommandIntent(RemoteViews views, int buttonId, Uri data) {
+            Intent intent = new Intent(sContext, WidgetService.class);
+            intent.setDataAndType(ContentUris.withAppendedId(data, mWidgetId),
+                    WIDGET_DATA_MIME_TYPE);
+            PendingIntent pendingIntent = PendingIntent.getService(sContext, 0, intent,
+                    PendingIntent.FLAG_UPDATE_CURRENT);
+            views.setOnClickPendingIntent(buttonId, pendingIntent);
+        }
+
+        /**
+         * Convenience method for creating an onClickPendingIntent that launches another activity
+         * directly.  Used for the "Compose" button
+         *
+         * @param views The RemoteViews we're inflating
+         * @param buttonId the id of the button view
+         * @param activityClass the class of the activity to be launched
+         */
+        private void setActivityIntent(RemoteViews views, int buttonId,
+                Class<? extends Activity> activityClass) {
+            Intent intent = new Intent(sContext, activityClass);
+            PendingIntent pendingIntent = PendingIntent.getActivity(sContext, 0, intent, 0);
+            views.setOnClickPendingIntent(buttonId, pendingIntent);
+        }
+
+        /**
+         * Convenience method for constructing a fillInIntent for a given list view element.
+         * Appends the command and any arguments to a base Uri.
+         *
+         * @param views the RemoteViews we are inflating
+         * @param viewId the id of the view
+         * @param baseUri the base uri for the command
+         * @param args any arguments to the command
+         */
+        private void setFillInIntent(RemoteViews views, int viewId, Uri baseUri, String ... args) {
+            Intent intent = new Intent();
+            Builder builder = baseUri.buildUpon();
+            for (String arg: args) {
+                builder.appendPath(arg);
+            }
+            intent.setDataAndType(builder.build(), WIDGET_DATA_MIME_TYPE);
+            views.setOnClickFillInIntent(viewId, intent);
+        }
+
+        /**
+         * Update the "header" of the widget (i.e. everything that doesn't include the scrolling
+         * message list)
+         */
+        private void updateHeader() {
+            if (Email.DEBUG) {
+                Log.d(TAG, "updateWidget " + mWidgetId);
+            }
+
+            // Get the widget layout
+            RemoteViews views = new RemoteViews(sContext.getPackageName(), R.layout.widget);
+
+            // Set up the list with an adapter
+            Intent intent = new Intent(sContext, WidgetService.class);
+            intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME)));
+            intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mWidgetId);
+            views.setRemoteAdapter(R.id.message_list, intent);
+
+            // Set up the title (view type + count of messages)
+            views.setTextViewText(R.id.widget_title,
+                    mViewType.getTitle(sContext) + " ("  + mCursorCount + ")");
+
+             // Set up "new" button (compose new message) and "next view" button
+            setActivityIntent(views, R.id.widget_compose, MessageCompose.class);
+            setCommandIntent(views, R.id.widget_logo, COMMAND_URI_SWITCH_LIST_VIEW);
+
+            // Use a bare intent for our template; we need to fill everything in
+            intent = new Intent(sContext, WidgetService.class);
+            PendingIntent pendingIntent =
+                PendingIntent.getService(sContext, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
+            views.setPendingIntentTemplate(R.id.message_list, pendingIntent);
+
+            // And finally update the widget
+            sWidgetManager.updateAppWidget(mWidgetId, views);
+        }
+
+        /* (non-Javadoc)
+         * @see android.widget.RemoteViewsService.RemoteViewsFactory#getViewAt(int)
+         */
+        public RemoteViews getViewAt(int position) {
+            // Use the cursor to set up the widget
+            synchronized (mCursorLock) {
+                if (mCursor == null || !mCursor.moveToPosition(position)) {
+                    return getLoadingView();
+                }
+                RemoteViews views =
+                    new RemoteViews(sContext.getPackageName(), R.layout.widget_list_item);
+
+                // Typeface for from, subject, and date (normal/bold) depends on whether the message
+                // is read/unread
+                int typeface = (mCursor.getInt(WIDGET_COLUMN_FLAG_READ) == 0) ? Typeface.BOLD
+                        : Typeface.NORMAL;
+                views.setTextViewText(R.id.widget_from,
+                        formattedTextFromCursor(mCursor, WIDGET_COLUMN_DISPLAY_NAME, typeface));
+                views.setTextViewText(R.id.widget_subject,
+                        formattedTextFromCursor(mCursor, WIDGET_COLUMN_SUBJECT, typeface));
+
+                long timestamp = mCursor.getLong(WIDGET_COLUMN_TIMESTAMP);
+                // Get a nicely formatted date string (relative to today)
+                String date = DateUtils.getRelativeTimeSpanString(sContext, timestamp).toString();
+                views.setTextViewText(R.id.widget_date, TextUtils.ellipsize(date, sDatePaint, 64,
+                        TruncateAt.END));
+
+                // Set button intents for view, reply, and delete
+                String messageId = mCursor.getString(WIDGET_COLUMN_ID);
+                String mailboxId = mCursor.getString(WIDGET_COLUMN_MAILBOX_KEY);
+                setFillInIntent(views, R.id.widget_message, COMMAND_URI_VIEW_MESSAGE, messageId,
+                        mailboxId);
+
+                return views;
+            }
+        }
+
+        @Override
+        public int getCount() {
+            if (mCursor == null) return 0;
+            return Math.min(mCursor.getCount(), MAX_MESSAGE_LIST_COUNT);
+        }
+
+        @Override
+        public long getItemId(int position) {
+            return position;
+        }
+
+        @Override
+        public RemoteViews getLoadingView() {
+            RemoteViews view = new RemoteViews(sContext.getPackageName(), R.layout.widget_loading);
+            view.setTextViewText(R.id.loading_text, sContext.getString(R.string.widget_loading));
+            return view;
+        }
+
+        @Override
+        public int getViewTypeCount() {
+            // Regular list view and the "loading" view
+            return 2;
+        }
+
+        @Override
+        public boolean hasStableIds() {
+            return true;
+        }
+
+        @Override
+        public void onDataSetChanged() {
+        }
+
+        @Override
+        public void onDestroy() {
+            if (mLoader != null) {
+                mLoader.stopLoading();
+            }
+            sWidgetMap.remove(mWidgetId);
+        }
+
+        @Override
+        public void onCreate() {
+        }
+    }
+
+    private static synchronized void update(Context context, AppWidgetManager widgetManager,
+            int[] appWidgetIds) {
+        for (int widgetId: appWidgetIds) {
+            getOrCreateWidget(widgetId).updateHeader();
+        }
+    }
+
+    private static EmailWidget getOrCreateWidget(int widgetId) {
+        EmailWidget widget = sWidgetMap.get(widgetId);
+        if (widget == null) {
+            if (Email.DEBUG) {
+                Log.d(TAG, "Creating EmailWidget for id #" + widgetId);
+            }
+            widget = new EmailWidget(widgetId);
+            sWidgetMap.put(widgetId, widget);
+        }
+        return widget;
+    }
+
+    @Override
+    public void onDisabled(Context context) {
+        super.onDisabled(context);
+        if (Email.DEBUG) {
+            Log.d(TAG, "onDisabled");
+        }
+        context.stopService(new Intent(context, WidgetService.class));
+    }
+
+    @Override
+    public void onEnabled(final Context context) {
+        super.onEnabled(context);
+        if (Email.DEBUG) {
+            Log.d(TAG, "onEnabled");
+        }
+        context.startService(new Intent(context, WidgetService.class));
+    }
+
+    @Override
+    public void onReceive(final Context context, Intent intent) {
+        String action = intent.getAction();
+        if (AppWidgetManager.ACTION_APPWIDGET_UPDATE.equals(action)) {
+            Bundle extras = intent.getExtras();
+            if (extras != null) {
+                final int[] appWidgetIds = extras.getIntArray(AppWidgetManager.EXTRA_APPWIDGET_IDS);
+                if (appWidgetIds != null && appWidgetIds.length > 0) {
+                    if (sWidgetManager == null) {
+                        sWidgetManager = AppWidgetManager.getInstance(context);
+                        sContext = context.getApplicationContext();
+                        sResolver = sContext.getContentResolver();
+                    }
+                    context.startService(new Intent(context, WidgetService.class));
+                    update(sContext, sWidgetManager, appWidgetIds);
+                }
+            }
+        } else if (AppWidgetManager.ACTION_APPWIDGET_DELETED.equals(action)) {
+            Bundle extras = intent.getExtras();
+            if (extras != null && extras.containsKey(AppWidgetManager.EXTRA_APPWIDGET_ID)) {
+                final int widgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID);
+                // Find the widget in the map
+                EmailWidget widget = sWidgetMap.get(widgetId);
+                if (widget != null) {
+                    // Stop loading and remove the widget from the map
+                    widget.onDestroy();
+                }
+            }
+        }
+    }
+
+    /**
+     * We use the WidgetService for two purposes:
+     *  1) To provide a widget factory for RemoteViews, and
+     *  2) To process our command Uri's (i.e. take actions on user clicks)
+     */
+    public static class WidgetService extends RemoteViewsService {
+        @Override
+        public RemoteViewsFactory onGetViewFactory(Intent intent) {
+            // Which widget do we want (nice alliteration, huh?)
+            int widgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);
+            if (widgetId == -1) return null;
+            // Find the existing widget or create it
+            EmailWidget widget = sWidgetMap.get(widgetId);
+            if (widget == null) {
+                throw new IllegalStateException("onGetViewFactory, widget does not exist");
+            }
+            return widget;
+        }
+
+        @Override
+        public void startActivity(Intent intent) {
+            // Since we're not calling startActivity from an Activity, we need the new task flag
+            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
+            super.startActivity(intent);
+        }
+
+        @Override
+        public int onStartCommand(Intent intent, int flags, int startId) {
+            Uri data = intent.getData();
+            if (Email.DEBUG) {
+                Log.d(TAG, "Executing: " + data);
+            }
+            if (data == null) return Service.START_NOT_STICKY;
+            List<String> pathSegments = data.getPathSegments();
+            // Our path segments are <command>, <arg1> [, <arg2>]
+            // First, a quick check of Uri validity
+            if (pathSegments.size() < 2) {
+                throw new IllegalArgumentException();
+            }
+            String command = pathSegments.get(0);
+            // Ignore unknown action names
+            try {
+                long arg1 = Long.parseLong(pathSegments.get(1));
+                if (COMMAND_NAME_VIEW_MESSAGE.equals(command)) {
+                    // "view", <message id>, <mailbox id>
+                    Intent i = MessageView.getActionViewIntent(this, arg1,
+                            Long.parseLong(pathSegments.get(2)));
+                    startActivity(i);
+                } else if (COMMAND_NAME_SWITCH_LIST_VIEW.equals(command)) {
+                    // "next_view", <widget id>
+                    EmailWidget widget = sWidgetMap.get((int)arg1);
+                    if (widget != null) {
+                        widget.switchToNextView();
+                    }
+                }
+            } catch (NumberFormatException e) {
+                // Shouldn't happen as we construct all of the Uri's
+            }
+            return Service.START_NOT_STICKY;
+        }
+
+    }
+}