mango 7.5 report
TRANSCRIPT
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Chapter 1
Mango 7.5
1.1 Introduction
Windows Phone 7.5 (codenamed 'Mango') is a major software update for
Windows Phone, the mobile operating system by Microsoft. Although the OS internally
identifies itself as version 7.1, it is marketed as version 7.5 in all published materials
intended for end-users.The update was formally announced in New York on May 24,
2011, when Microsoft gave an in-depth preview of the update, shortly before which Steve
Ballmer had disclosed that there would be over 500 features.
Microsoft started rolling out Windows Phone 7.5 to both the United States and
International markets on September 27, 2011. The first phones that came pre-loaded with
Windows Phone 7.5 were released in the last quarter of 2011.
The Windows Phone ecosystem just got more mature. With the release of Windows
Phone 7.5 (aka "Mango"), developers have a whole lot of new features with which to
build compelling applications. Many of these features are ones that Windows Phone
developers directly clamored for.
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Chapter 2
Hardware Requirements
Almost every Windows Phone launched over the last year has been eerily similar
in hardware specs, and most lack any significant customization. Microsoft exerts a lot of
control over what equipment runs its star mobile OS (unlike, say, Google), and you're
typically hard-pressed to find any large deviance between devices -- with the exception of
handsets with physical QWERTY keyboards. None of that has changed with Mango, as
Ballmer's Boys require a specific set of components.
The hardware components used by all Windows Phone 7.5 devices are:
1. A Qualcomm Snapdragon CPU (new devices will use 8x55 or 7x30, thoughexisting ones that use an 8x50 CPU will be supported as well)
2. DirectX graphics hardware support with hardware acceleration for Direct3D3. A minimum of 384MB of RAM, at least 4GB of flash memory, WVGA (800 x
480) display resolution
4. A 3.5mm headphone jack, microUSB 2.0, WiFi 802.11 b / g support (n isoptional)
5. FM radio6. Bluetooth and at least four required sensors (with more optional).
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Chapter 3
User Interface
Fig 3.1: User Interface in Mango 7.5
One of Mango's more impressive feats is the fact that even with its myriad new
features and functionality, it's nearly indistinguishable from its predecessor if you don't
know exactly what to look for. This is because Microsoft's managed to preserve the
signature.
Windows Phone features a new user interface, based upon Microsoft's Windows Phone
design system, codenamed Metro. The home screen, called the "Start screen", is made up
of "Live Tiles". Tiles are links to applications, features, functions and individual items
(such as contacts, web pages, applications or media items). Users can add, rearrange, or
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remove Tiles. Tiles are dynamic and update in real time - for example, the tile for an
email account would display the number of unread messages or a Tile could display a live
update of the weather.
Several features of Windows Phone are organized into "hubs", which combine local and
online content via Windows Phone's integration with popular social networks such as
Facebook, Windows Live, and Twitter. For example, the Pictures hub shows photos
captured with the device's camera and the user's Facebook photo albums, and the People
hub shows contacts aggregated from multiple sources including Windows Live,
Facebook, and Gmail. From the Hub, users can directly comment and 'like' on social
network updates. The other built-in hubs are Music and Video (which integrates with
Zune), Games (which integrates with Xbox Live), Windows Phone Marketplace, and
Microsoft Office.
Windows Phone uses multi-touch technology. The default Windows Phone user interface
has a dark theme that prolongs battery life on OLED screens as fully black pixels don't
emit light. The user may choose a light theme instead, and can also choose from several
accent colors.User interface elements such as tiles are shown in the user's chosen accent
color. Third-party applications can be automatically themed with these colors.
Live tiles have had several big improvements. Here are several of the most noteworthy
ones:
Live tiles now support in-app (or background agents) updating of the tiles through a new
simple API.
Live tiles now have a back that is occasionally shown and can contain additional
information.
You can have more than one live tile (called secondary tiles).
Live tiles are nothing new in Mango, but they've definitely been given more freedoms.
Before, apps from the Marketplace were "live," though they didn't have the ability to addmuch dynamic content. Now, more stuff can be pinned to the Start screen, including
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multiple tiles from the same single app (as an example, you could have five different
eBay bid tiles featured on Start, or the weather from two separate cities); these tiles can
all deep link to the app's content. Previously, only native tiles could flip over or offer
dynamically updated information, whereas all third-party apps will now be able to take
advantage of the same functionality. The tiles can also receive push notifications more
frequently than before. All in all, the Start screen is much more alive with Mango, which
only serves to enhance the Windows Phone mantra of "glance and go." As Microsoft sees
it, the faster and easier it is to view vital info, the sooner you can get back to your life and
get important things done.
Once enough apps are installed on the phone, you'll notice letters popping up in
the app menu, similar to the way they show up in the People Hub. The idea is that it's
much easier to jump to the app you're looking for, instead of taking ages to scroll all the
way down to find it.
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Chapter 4
Mango 7.5 Features
Windows Phone has an enormous amount of potential, but it's a first-generation
operating system. For the first eleven months of its existence, it's lacked many of the
common features on Android and iOS, but then again, even those platforms have taken
their turn getting the major wrinkles ironed out. So it comes as no surprise that
Microsoft's mobile darling -- the innovative rebirth of a weak and faltering Windows
Mobile platform that was quickly falling into obscurity -- would need to go through a
similarprocess.
The top 10 features of Windows Phone 7.5 are:
1. The Task Switcher2. Dictate Text Messages To Your Phone3. Unified Messaging4. Multitasking5. Groups6. Linked E-Mail Inboxes7. Battery Saver Mode8. Improved Bing Search9. Office and Exchange10.Tap-To-Focus In Camera
4.1 The Task Switcher
Although tombstoning (the process of deactivating an app that a user navigates
away from) gives the user a favorable experience of leaving and returning to applications,
before Mango it was assumed that tombstoning might cause processes to go away more
than was necessary on the phone. To rectify this issue, Mango supports fast task
switching. This means that your application might not go away completely when the user
interrupts it. The operating system is allowed to just pause your process (i.e., all threads
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are paused, all I/O is stopped), and if the user returns to it, the app could just "press play"
on your process instead of asking you to rebuild your application's state.
Fig 4.1: Switching between multiple open apps/hubs is easy
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The task switcher brings utter fluidity to your navigation within the mobile
environment. Now you dont have to use the home button again and again to go back to
the app you were using before a text message came in. Just go to the task switcher(accessible from anywhere on the OS or a third-party app), and tap the app screen you
were previously using. Switcher keeps your last 6 screens in a frozen state, and if an app
supports background play, you can reach its current state from task switcher too.
4.2 Dictate Text Messages To Your Phone
Fig 4.2: convert voice to text
This new feature of mango 7.5 takes voice control to a whole new level. Now you
can speak to your phone and it will convert whatever you said into a text message! The
results are awesome, and the utility is pretty accurate if you speak a bit slowly and with
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precision. You can dictate texts by tapping the microphone icon next to the send button in
any messaging thread. The new messaging menu supports graphical emoticons, and
unlike in Nodo (in which you were only allowed to share photos as attachments while
texting) you can share music files too!
4.3 Unified Messaging
This feature missing in android and IOS phones but in this OS it comes as default
feature. It doesnt support third party applications like Google android. Here you cant
add G talk chat application. But it allows users to unify all the communications with any
person over face book, SMS, twitter at one place as the conversation.
Facebook chat is now integrated with the messaging hub. You can set your chat
status to online from the messenger button present in the SMS menu and a complete list
of all your online contacts will be displayed. To switch back to texting a person instead of
chat, each thread now includes a switching button.
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Fig 4.3:Threads help keep track of conversations, even if the individual messages
came from different services.
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4.4 Multitasking
The biggest piece missing in Windows Phone prior to Mango for most
developers was the ability to run code in the background. You can now do this by using
background agents. These agents come in four flavors:
Periodic agents -- Code that runs every 30 minutes (or so) to do short-livedprocessing
Resource-intensive agents -- Code that runs when the phone is being charged andon a non-cellular connection (e.g., Wi-Fi) for longer processing
Audio agents -- Code that interacts with the music player to support specifyingwhat music is playing, going to the next/previous song in playlists, and so on
Streaming audio agents -- Code that actively handles streaming audio to thedevice (and decoding it) for audio apps that need to handle digital rights
management (DRM) or authentication manually
Although these four options certainly do not solve all the background task usecases, they are meant to protect the user from badly behaving apps and affect the
user's experience minimally. These agents live in a separate project that is shipped
as a separate assembly as part of an application. The separate assembly is used to
minimize the size of loading the background task into memory.
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Fig 4.4: Multitasking in Mango.
4.5 Groups
Mango gives you the ability to organize Groups within your People Hub --
whether it be family, co-workers, or particular cliques that you hang out with -- and
interact with them all at the same time as if you were all meeting together in the same
room. When a group is created, it shows up as its very own Hub, complete with three
pivot screens that show live tiles for each individual member, notifications and pictures;
here, you have the chance to email or text the entire group, or even pull up and comment /
like their latest Facebook or Twitter updates without being distracted by other random
statuses. You can also pin the group Hub to the Start screen, and the dynamic live tiles
will bring up the latest notifications as well as pictures of each person.
This is one of our favorite enhancements in Mango because we tend to communicate with
our co-workers, friends and family more than random contacts or old high school buddies
on Facebook. And since we're constantly keeping in touch with them, it's even more
important to find out what's going on in their lives and interact with them more than
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anyone else. Windows Phone has incorporated it seamlessly into the user experience,
making the process quick and simple to set up and easy to enjoy.
Fig 4.5: Grouped contacts have their own news feeds.
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4.6 Linked E-Mail Inboxes
With so many integration options available to users now, it only make
sense to make these accounts as easily accessible as possible. Thats why you can now
view your Google and Windows Live mailboxes as one. The option to connect accounts
(after you have set up both) is present in the inboxs settings which slide up when you tap
the three dots icon at the bottom of your Email menu. The procedure is exactly the same
as linking two contacts.
Fig 4.6: Linked e-mail inboxes
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4.7 Battery Saver Mode
Battery life is one of the issues constantly haunting smartphone users. WP7 paysspecial attention to it by introducing Battery Saver mode, which is present in the Settings
menu. This mode automatically kills some battery-leaching tasks in the background and
gives you a little extra battery time. In said mode, you can also see the exact percentage
of your remaining battery, which was previously only possible through the diagnostic
menu.
Fig 4.7: Battery saver mode
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4.8 Improved Bing Search
A quick press of the dedicated Search button on the bottom right of every
Windows Phone will take us into Bing Search, and Mango has added several
enhancements to this area in a handy little toolbar at the bottom. The first is the
aforementioned Local Scout, followed by Bing Music Search and Bing Vision. Bing
Music is essentially Shazam: press the button, allow it 10 seconds or so to listen to the
music, and boomwe are shown results that list artist, song title and cover art. We can
even proceed to the Marketplace to buy it.
Fig 4.8:Local Scout, a useful local search feature in Bing
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4.9 Office and Exchange
SkyDrive plays a much more important role in the Office as we can now easily
sync every type of document -- Word, PowerPoint, Excel and OneNote -- between our
phone and the cloud. Same goes with any folders that have been shared with us. All of
this, in addition to Office 365 and SharePoint docs, can be found in the brand new
Locations panel within the office app.
Word and Excel together offer nine new document templates to help create our docs
faster. Word now supports copy / paste and the ability to add comments to specific words
or phrases, while Excel offers quick formulas such as sum, max, min and average.
Fig 4.9:Microsoft office and exchange in Mango
Microsoft to turns in Mobile Office on windows phone 7.5. Now we can insert comments
in Ms Word, Ms Excel and other MS Office Applications. One can sink all the files which
sky drive for any time and from any place access.
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4.10 Tap-To-Focus In Camera
Every program in Windows Phone has been enhanced to be more customizable
and increase the user's experience -- and the camera app is no different. It was already
supremely easy to access, as it was designed to get us to the camera as quick as possible
whenever an important capture-worthy moment's taking place.
Earlier versions of Windows Phone would lose settings upon exiting the camera app. This
was a source of frustration, especially for video recording, where the camera would
always revert back from 720p to VGA resolution. Mango remedies this by including a
"Save settings" option in the camera menu. There's also the option to restore the default
settings, should you get carried away tweaking things. We're also big fans of the two-
stage camera button required on all Windows Phone handsets, but sometimes it's better to
avoid the potential motion blur associated with pressing a physical key. To this end,
Mango introduces an on-screen shutter button -- just tap anywhere in the viewfinder to
take a picture
Auto-fix enhances existing shots by adjusting brightness, contrast, color balance,
shadows and highlights with simple tap. Sometimes it makes a difference, but most of the
time we'd rather have manual controls, something that's missing. In fact, Windows Phone
still lacks any kind of basic image editing functionality, like cropping and rotation.
On some phones, Mango adds a wide dynamic range toggle to the camera settings. Unlike
a true HDR mode that takes 3 pictures at different exposure levels, it appears to change
the shadows and highlights when shooting a subject with a lot of backlight or when
there's a large difference between the bright and dark areas in a scene. It's usually possible
to achieve the same results using auto-fix after the fact.
Mango lets you tag people in pictures by tapping on their face and picking a contact from
a list, or by typing someone's name directly. However, unlike the Facebook app, there's
no way to fine-tune the position of the tag.
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Fig 4.10: Camera features
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Chapter 5
Miscellaneous improvements
5.1 Custom ringtones
Fortunately, custom tones made the list of 500 features, but with a twist: you can
only get these custom tones by loading an MP3 or WMA clip no longer than 40 seconds
into Zune, placing it into one of your music folders, right-clicking the tune in order to edit
it and changing the song's Genre to "ringtone." Then simply sync to the phone, select the
song in your device's settings.
5.2 Internet Sharing
Internet sharing, another way of describing the mobile hotspot feature, is now
included in all new Mango devices.
5.3 Video chat
Technically, video chat isn't one of the 500 promised features -- it's an API that
developers can take advantage of. But the inclusion of front-facing cameras in many new
Mango devices gives us a feeling that we won't have to worry about a shortage of
possible apps in this department.
5.4 Connect to hidden WiFi networks
This feature, as small and insignificant as it may seem, could be considered one
of the most important additions to Windows Phone, because of the affect it's previously
had on corporations who purposely keep their WiFi networks hidden for privacy.
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5.5 Browser- Internet Explorer 9
With Mango comes Internet Explorer 9, which is greatly improved over its
numero ocho because of its full support of HTML5, CSS3, SV, XHTML, DOM and
others. Not only that, it throws in a faster JavaScript engine and hardware-accelerated
graphics that use the phone's built-in GPU when rendering HTML5 animation or video. It
also streamlines the toolbars to open up more screen space for each site, offers improved
security, and runs each tab in a separate process so one site can't be responsible for
crashing the entire browser.
Microsoft tinkered with the interface, like moving the address bar to the bottom of the
screen and hiding icons to increase the content real estate. GPU-powered hardware
acceleration now renders content faster and more efficiently. Behind the scenes, IE9
jumps on board with the HTML5 Web standard . Indeed, the Samsung Focus with Mango
loaded graphically rich pages significantly faster than the original Samsung Focus we
placed right beside it in simultaneous tests on the same Wi-Fi network.
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Chapter 6
Mango 7.5: Pros, cons
Pros
Demerits duly noted, Microsoft has also clearly made an effort to add a little
something extra, like the Bing Vision scanning feature, and App Connect. These are great
ideas that mostly work out. Microsoft should be applauded for thinking outside the box,
and for integrating features intelligently into the OS, rather than letting developers
shoulder all the creative work. Then Microsoft should take a gracious little bow and get
right back to work doing more.
Cons
It's true that many of the over 500 changes merely bring Mango up to speed with the
competition, like the multitasking functionality and hot-spot support, the latter of which
many people won't have a chance to tap into unless they have the compatible hardware to
do so and their carriers say they can .
It's also true that other "enhancements" were lackluster or fell short. Local Scout is a goodidea, but the implementation is perhaps a bit shallow. Bing Vision search results are
inconsistent, as is voice-to-text (admittedly a really hard feature to perfect). Another
disadvantage is Mango kicks you from the Marketplace to either the app list or the
Games Hub when you download an app. Microsoft has also remapped the search button
below the screen to Bing, every time. It would preferable if this were contextual,
searching for apps while in Marketplace, music in that hub, and so on.
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Conclusion
Windows Phone, as we know it, has an enormous amount of potential, but it's a first-
generation operating system. For the first eleven months of its existence, it's lacked many
of the common features on Android and iOS, but then again, even those platforms have
taken their turn getting the major wrinkles ironed out. So it comes as no surprise that
Microsoft's mobile darling -- the innovative rebirth of a weak and faltering Windows
Mobile platform that was quickly falling into obscurity -- would need to go through a
similar process.
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REFERENCES
Websites referred
http://www.microsoft.com/windowsphone/en-us/howto/wp7/start/whats-new-in-windows-phone.aspx
en.wikipedia.org/wiki/Windows_Phone_7.5