introduction to andriod session ii)work with android-enabled device
TRANSCRIPT
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Session II: Work with Android-enabled Devices
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Objectives
• In this session, you will learn to: – Customize the appearance of an Android device
– Configure networking and manage accounts
– Search, retrieve, and store information
– Work with location-based services
– Leverage the use of hardware sensors
– Use and maintain the Android device effectively
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Scenario: Two friends meet again!! Hey Dude! Look what I bought yesterday….An Android Smartphone!!! Samir said delightfully.
In fact, I wanted some help from you….. I wasn’t able to configure the Data Connection, GPS and Networking….I tried taking help from my Mobile Operator's helpdesk… but they too were unable to help after a point.
Why not! – Did you try using the User Guide/Manual ? I did, but I could not understand much of it!
– Samir replied sadly!!
Akshat explained, since today we have the power of PC in our hands, therefore we also need to configure & maintain our Smartphone, similar to what we have been doing for our PCs.
Very nice, so did you try those great apps, which I had shown you the other day!
Owning a Smartphone doesn’t make you that
Smart!!! Akshat blinked cleverly.
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Changing Appearance of Android Devices
• On the Home Screen, you can: – Add/Remove Widgets
– Add/Remove Shortcuts
– Manage Folders
– Apply Wallpapers
• Custom Wallpapers
• Change Keypads
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Custom Wallpapers
Left Right Center
• Android handles the wallpaper in a unique way:
– Here, the wallpaper is not spanned as you move between home screens.
– An exact resolution image of your phone’s resolution will not fit.
– The wallpaper needs to be twice the width of the screen resolution.
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Customizing the Appearance
Changing the wallpaper
Add/Remove home screen panels
Add/Remove Widgets, Shortcuts & Folders
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Enable Internet on your Android Device
• An Android device or any such device is connected to the Internet either:
– Through the mobile service provider data services (GPRS), or
– Through an ISP’s connection
• Share your Internet connection with multiple devices, such as phones, PCs etc. using Hotspot/Tethering capabilities.
• Set up a mobile operator’s data services connection through the Wireless & networks screen:
– To do that, you would first need to fetch Access Point settings.
• Apart from setting up the Internet connection, you can also manage:
– Bluetooth settings
– VPN (Virtual Private Network) settings
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Share Internet with your Android Device
• Android devices allow sharing the Internet connection using:
– USB tethering: • Allows your device to share the internet connection
with a PC using a USB connection.
– Hotspot: • Turns into a portable Wi-Fi hotspot, which can share
Internet connection with one or more devices such as PC, a Wi-Fi enabled phone etc.
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Networking and Accounts Management
Configuring a Wi-Fi connection
Set up a Portable Wi-Fi hotspot
Configuring an Access Point (GPRS)
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Managing Accounts
• You can configure multiple Google accounts, MS Exchange ActiveSync accounts, or other types of accounts, depending on the applications installed on your device.
• Synchronize and configure:
– Contacts:
• All contacts at one place (Phone, E-mail, IM, Skype etc.)
– Calendar:
• Manage and sync your calendar from Google calendaring service or Microsoft Exchange ActiveSync
– E-mail:
• Personal e-mail accounts
• Corporate e-mail accounts
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Configuring E-mail Accounts
Configuring Microsoft Exchange ActiveSync account
Configuring a Google account
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Messaging
• Apart from e-mail, other forms of messaging in Android devices are:
– Short Message Service (SMS)
– Multimedia Message Service (MMS)
– Instant Messaging
• All conversations are placed in one screen.
• Configure messaging settings: – To set value for the text message limit per conversation
– To set value for the multimedia message limit per conversation
– To set notification settings
– To delivery report confirmations
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Switch to Swype Keypad
Swype keypad enables you to trace a path through the letters of the required word, rather than tapping each and every letter of that word.
• You can enable a Swype keypad by performing the following steps:
1. Select MenuSettingsLocale and textSelect Input Method.
2. Select the Swype option.
Tap the button to open the Tutorial!
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Notifications
• A notification is a brief message displayed on the Notification panel on the home screen, which intimates:
– Message regarding download completion status of applications.
– Message regarding updates on applications.
– E-mail received/synchronization updates.
• Icons pop up and placed on the topmost grey bar on your phone. This is known as the Notification/Status bar:
– Just press and swipe the finger from top to bottom to open the Notification panel.
• On the Notification panel, the user may choose to click on a selection and execute an associated activity.
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Connectivity with Computer
• You may often be required to copy files such as audio, pictures, or documents back and forth from your mobile device.
• Android devices can be connected with computers using: – Bluetooth
– USB
• To connect an Android device using computer, perform the following steps:
1. Connect the Android device through a USB port on your computer. You will receive a notification that the USB is connected.
2. Open the Notifications panel and tap the USB connected option.
3. Select the Turn on USB storage option, which will in turn open a dialog box to confirm that you want to transfer files.
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Browse the Web
• Android’s unique browser recognizes links, as well as some phone numbers, addresses, and similar information that you may want to act, for example:
– Touch & Hold a link to open a context menu for opening, bookmarking, saving, and sending a link via e-mail.
– Touch a phone number to open the Phone application with the specified number.
– Touch a street address to open it in the Maps application.
• Manage Bookmarks and Favorites.
• Personalize your browsing experience.
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Working with Browser
Working with multiple browser Windows
Managing bookmarks
Changing browser settings
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Search
• By default, an Android device comes with Google Search, which enables search for information and items locally and on the Web.
• Search the Web by speaking with Google Voice Search, instead of typing.
• Configure the search behaviour to filter data or items on your Android device you want to include.
• Control how your search history is stored and used on your phone and the Web.
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Speech 2 Text/Text 2 Speech
• Every time you need to enter text in your phone, you should be able to do it by speaking, whether that’s in a search bar, a text message, or a note-taking app.
• Additionally, you can also command to:
– Send text messages and e-mails.
– Call contacts & businesses (pinned on maps).
– View maps and driving directions.
– Search information and open websites.
• Similarly, at times you may need the device to read messages and e-mails to you.
• Wide variety of third party tools/utilities:
– Google Voice Actions
– Dragon Speech
– Virtual Assistant
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Google Goggles
• An innovative tool to scan information from pictures:
– Image Scan
– Logo Scan
– Multi-lingual text scan
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Augmented Reality
• Augmented Reality (AR) involves the addition of virtual elements to the real environment.
• Virtual elements can include computer-generated images, video clips , textual information, from the Internet.
• The real environment includes elements such as a printed picture, an object, a building or landscape.
To retrieve additional information or material, you will need a camera that can identify the real object and
then extract virtual information contextually related to the real object.
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Quick Response Code
• Quick Response (QR) Code is a matrix barcode (or two-dimensional code) that consists of black modules arranged in a square pattern on a white background.
• A QR code can store many types of text information, including:
– A website URL
– Contact information
– A phone number
– A geographic location
– A SMS message to be sent to a phone number
– A plain text message
– A calendar event
Scan the above QR Code to fetch the information
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Searching, Retrieving and Storing Information
Google Goggles
Google Voice Actions
Gesture Search
QR Code Reader
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Location and Mapping
• Location-based services are used in a variety of situations, such as commercial, entertainment, emergency, health, work, and personal life.
• Examples: – To locate the nearest ATM, eateries, petrol pump (gas station), hotel,
hospital, police station etc.
– To provide directions from one place to another
– To locate and reach events, friends, and family members
• Location and mapping is possible through various triangulation techniques, such as:
– GPS satellites
– Cell phone towers
– Wi-Fi networks
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Global Positioning System
Now, wherever you go you can let your dear ones know where you are.
• GPS is actually a constellation of 27 earth-orbiting satellites. (24 in operation and 3 extras in case one fails)
• There are at least four satellites "visible" in the sky.
• A GPS receiver's job is to locate three or more of these satellites, figure out the distance to each, and use this information to deduce its own location.
• This operation is based on a mathematical principle called trilateration.
Source: http://electronics.howstuffworks.com/gadgets/travel/gps.htm
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Location and Mapping
Google Maps, Latitude & Places apps
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Android Supports…
• Accelerometer
• Magnetic field
• Gyroscope
• Light
• Pressure
• Temperature
• Proximity
Please note that the specific set of hardware sensors available on any given device varies at the discretion of the device manufacturer.
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Leveraging Use of Hardware Sensors
Motion-sensing games
Google Sky Map
Tricorder
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Third-party Android Applications
• There are loads of applications and tools that you can download and use on your Android device. Applications are also referred as apps.
• You can install and manage applications using the Android Market app.
• You can also download an app using the hidden URI in a QR code from a website.
• You can also install and configure apps from the SD card/USB storage.
• Manage and remove applications through the Applications screen:
– Select MenuSettingsApplications to open the Applications screen.
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Download an App from Android Market
Some useful apps:
Business Card Reader
Adobe Photoshop Express
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Manage Space & Documents
• Similar to managing a file system and space on the PC, you need to manage:
– Applications, data, and space effectively on your Smartphone to ensure optimum utilization and maximum performance.
• In-built applications can be used to monitor the data on the device as well as on the SD card. To check the available space:
1. Select MenuSettingsSD card and phone storage.
2. The SD card and phone storage screen will provide information on used and available space.
• Save the device’s space by moving applications to the SD card.
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Moving Applications to the SD card
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Managing Battery
Battery life in Smartphones is a critical issue, hence you would need to effectively and proactively manage to get the maximum throughput!!
• Some tips to ensure optimum battery usage:
– Turn off services manually; you can use the in-built Power control widget to easily toggle GPS, bluetooth, wireless, and screen brightness.
– Disable the background syncing of installed applications to get an extra stretch out of your battery.
– Do not leave applications running when you don't need them.
– Put your phone on standby mode when you are not using it or enable a short screen timeout.
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Managing Battery (Contd..)
• You can also adjust the delay of screen timeout, so that the device doesn’t consume the battery while the screen is inactive:
1. Select MenuSettingsSound and displayScreen timeout.
2. Select the required screen timeout value.
• Micromanage every single battery consuming application on your device using a power usage meter:
– It displays how much of your power is being consumed by each running application.
– To view Power Usage meter:
1. Select MenuSettings-About PhoneBattery use.
2. Further, select the application to either Force Stop or to Uninstall.
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Securing the Android Device
• It is quite common to lose your mobile phone, therefore ensure that you have:
– Noted the IMEI number.
– Enabled apps which can help locate your device. For example, these apps can allow you to:
• Send SMS to known numbers.
• See your device on a map.
• Set off an audible alarm.
• Clean your personal data on your device.
• Android also supports various security mechanisms such as
implementing locks/passwords through:
– PIN locking
– Pattern locking
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Securing the Android Device
Setting up pattern locking
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Tips and Tricks
• Try using folders to keep your home screen organized.
• Lot of free applications downloaded from the Android Market will show advertisements. You would need to sensibly tame Android into using GPRS. You can use widgets such as:
– APNDroid: Hard blocks your phone into turning off/on GPRS.
– Data counter: Helps you monitor the total usage of packet data.
• Use assistant apps such as Android Assistant: – It allows you to maximize Android device’s performance by monitoring and
killing processes which are consuming more CPU, memory and battery .
– It enables you to manage the start-up processes.
– It enables you to manage files and applications on the SD Card.
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Android Assistant App
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Android Programs @ NIIT
Prerequisite: Knowledge of Core Java and XML
Getting Started with Android Applications Development (Approx. 12 Hrs)
Introduction to Android: An Open Source Mobile Platform
Android Applications Development (Approx. 48 Hrs)
You are here!!!
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Summary
• In this session, you learned about: – Customizing the appearance of Android devices
– Configuring networking and manage accounts
– Searching, retrieving, and storing information
– Using location-based services
– Leveraging the use of hardware sensors
– Maintaining an Android device effectively