Showing posts with label .Net Tutorials. Show all posts
Showing posts with label .Net Tutorials. Show all posts

Wednesday, November 20, 2013

How to launch the Map settings page to download maps in WP8?


You might have used maps in your Windows Phone applications to help the user navigate from one place to another place. Windows Phone 8 supports downloading of maps for a specific place and/or country. If you want your user to easily navigate to download maps page, this post will help you. Windows Phone 8 SDK exposes MapDownloaderTask, which will help you for this easy navigation. Continue reading for more information on this. Recently while working in one of my Windows Phone 8...


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Saturday, November 16, 2013

Advanced handling of Photo Capture using PhotoCamera in Windows Phone


Well, as I have already dealt with CameraCaptureTask or PhotoChooserTask before for simple scenarios, it is time to go a little further with dealing with continuous capture or even how to switch between FrontFacing Camera or Primary camera etc. To deal with such scenarios, we use the PhotoCamera class and show the stream from camera directly to a canvas or take picture from it. Let us look into the steps to create an app that can make use of Camera Streams directly.


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Friday, November 15, 2013

Working with PhotoChooserTask in Windows Phone


Even though we have CameraCapture Task to deal with camera, there is another Chooser available as well, which can take Picture either from MediaLibrary or directly from Camera. The PhotoChooserTask helps in getting an image from the Picture / Media Library locations. The PhotoChooserTask, just like any other Tasks is listed under namespace Microsoft.Phone.Tasks and is inherited from ChooserBase, this will ensure that the Task is invoked as a Chooser and the result will be received by the Completed event when choice is made, just similar to CameraCapture.


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Thursday, November 14, 2013

Working with CameraCaptureTask in Windows Phone


Working with Camera in Windows Phone environment is a common requirement. Almost 25% of the apps in the store uses Camera capture on the app. CameraCaptureTask is a common Task available to the Windows Phone device which can capture camera from an app by launching the basic image capture tool present on the Windows Phone environment and take a picture and give the bytes to you. Here is now you can implement it.


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Tuesday, November 12, 2013

Opening Settings Screen using Launch URI in Windows Phone


As we saw in the previous post, that you can programmatically change the Lock screen of the Phone from an app which supports extension of Lock Screen defined in the Metadata file, we can also open various settings screen directly from within the app as well. To open an existing settings applet, you need to first know the URI that belongs to the Settings screen. Once you know that, you can use the following code to Launch a settings


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Monday, November 11, 2013

Updating Lock Screen from Windows Phone App


It is sometimes important for an application to change lock screen of the project. The Lock Screen can be set from an app only if the App supports an Extension to change lock screen. Let us take a look on how to change lock screen from an application.


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Thursday, November 7, 2013

How to programmatically detect whether WP8 GDR3 is installed?


Windows Phone 8 Update 3 (aka. GDR 3) preview already released for developers to build and test their applications and games. There are few features in this release that you might want to add in your app. For this, you need to check whether the device already has GDR3 installed. In this small post, we are going to discuss how you can check whether the Updated 3 (GDR 3) has already been installed in the user's device. Windows Phone 8 GDR 3 has it's OS version number starting from...


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Wednesday, November 6, 2013

Use Special Characters in Windows Phone 8 Application


Before few days, I was working on a Windows Phone Application Development and one of its feature demanded me to use special characters in the app. As this feature is not available directly so there was big question in my mind how to use it ? But after lot of research and working on it, I got the trick to use special characters in Windows Phone 8 app development ( can also be used in Windows Phone 7 apps ) and would like to share with you all in below tutorial.


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Wednesday, October 23, 2013

Windows Phone 8 - A Simple Helper Class for Working with SkyDrive Files using SkyDrive API


One of the common tasks in mobile development is sharing some application files between user's devices or storing files outside device. There are many Cloud services such as Microsoft SkyDrive, DropBox, Google Disk, etc. that allow developers to use their APIs for these purposes. You may consider using a wide range of cloud services in your application and give users an opportunity to choose one to store and sync application files. This approach has some benefits and some disadvantages on the other hand. I believe if you create an application for multiple platforms (e.g. Android, Windows Phone, iOS...) you definitely should use several services for it - a user may have an account for one of them and doesn't have for others. In this situation, we probably should allow him to use the account he has and not make him register a new one although we have to support a larger codebase now.


I guess you came to this post by searching similar kind of issues in any of the search engine and hope that this resolved your problem. If you find this tips useful, just drop a line below and share the link to others and who knows they might find it useful too.

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Sunday, October 20, 2013

Using External Fonts on Windows Phone Apps


External fonts are quite important to make apps look attractive. They help to reduce the overload of graphic files. For example, if an external font can't be imported into your application, then developers turn to graphic designers to design a caption or header text and use them as a JPEG or PNG image. To some extent, this can help in static requirements like a caption or the header text of a screen. But what if it's a dynamic text? For example, a score board for a game. The score figure is dynamic. If the boss insists to go with a better design for the board and if the system has a limited set of fonts, we end up recreating the complete set of numbers and manipulating the display using code. All these are painful processes. Moreover it's always cool to have open options. As the font set in Mobile phones would be very limited, we are in great need to look out for third party fonts. Windows Phone supports third party / external fonts for us. It's a breeze to pull them up into our app. As I'm saying this, I'm sure someone might be screaming "External fonts don't work in Windows Phone apps". Anybody who's trying to use external fonts must take note of the below points.


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Image Editor for WP - Text Editing


With Q2 2013 we released RadImageEditor as part of our control suite for Windows Phone 8. We immediately got feedback from users asking whether it will be ported to WP7 and also whether it will support text drawing. For the Q2 2013 SP1 release we did just that. We ported RadImageEditor to WP7 and added text editing capabilities.


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Basic networking support in WP


At the recent Build developer conference in San Francisco I presented a session on networking in Windows Phone 8. Part of the session was about using the Proximity APIs to cover peer-to-peer scenarios like multiplayer gaming, but the first half was dedicated to more traditional networking APIs – in particular, HTTP and sockets. Here I cover much of the same ground as in the talk, which you also can watch online. You can download the accompanying source code from MSDN: HTTP and Socket API Examples for Windows Phone 8 and WebApi Sample for Windows Phone 8.


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Friday, October 18, 2013

Windows Phone 8 - A simple helper class for working with SkyDrive files using SkyDrive API


One of the common tasks in mobile development is sharing some application files between user's devices or storing files outside device. There are many cloud services such as Microsoft SkyDrive, DropBox, Google Disk, etc. allow developers to use their API's for these purposes. You may consider using a wide range of cloud services in your application and give users an opportunity to choose one to store and sync application files. This approach has some benefits and some disadvantages on the other hand. I believe if you create an application for multiple platforms (e.g. Android, Windows Phone, iOS...) you definitely should use several services for it - a user may has an account for one of them and doesn't have for others. In this situation we probably should allow him to use the account he has and not make him to register a new one although we have to support a larger codebase now.


I guess you came to this post by searching similar kind of issues in any of the search engine and hope that this resolved your problem. If you find this tips useful, just drop a line below and share the link to others and who knows they might find it useful too.

Stay tuned to my blogtwitter or facebook to read more articles, tutorials, news, tips & tricks on various technology fields. Also Subscribe to our Newsletter with your Email ID to keep you updated on latest posts. We will send newsletter to your registered email address. We will not share your email address to anybody as we respect privacy.


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Wednesday, October 16, 2013

Configuring a Free version of your WP8 App!


I recently decided to release a Free version of my app SpeechJammer, and I wanted to share some of the methods I used in order to create a 'Free' configuration of my existing project, as I think it may be helpful for other Windows Phone developers.


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Wednesday, October 9, 2013

NavigationService in WP throws Exception when navigating to Web URL


As a WPDev, you already know about the NavigationService class that we use regularly to navigate from one page to another. But what if you want to navigate to a web URL? If you use the same class for web navigation, you will face a ArgumentException unhandled in your App class. If you are one of the victim and came to this page by searching online for the solution, this post will help you today to resolve the exception in your code. Last day while building a Windows Phone application, one of my friend did a common mistake and used the NavigationService class to navigate to a web URL and when he executed the code, immediately encountered the following exception message directly unhandled to App.xaml.cs file and there was no other way to handle this crash: "Navigation is only supported to relative URIs that are fragments, or begin with '/', or which contain ';component/'. Parameter name: uri" Here is a screenshot of the exception message that you will...


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Monday, October 7, 2013

Windows Phone 8 SDK: Geolocation Services


The Windows Phone SDK is a very powerful development platform that lets developers create great applications with the Silverlight framework. The recent upgrade of the SDK to version 8.0 (Windows Phone 8) brings about a host of changes that makes some generic tasks easier to perform. One of the areas that saw an improvement in Windows Phone 8 is the Location API. In previous versions of the windows phone SDK, getting a user's current location was a bit untidy, but the current technique for doing this has been polished and made a bit more direct. The new technique uses Microsoft's ASYNC method call, which improves performance of applications while gaining access to a user's location. Let's dive in and take a look at this new way of accessing the current location on Windows Phone 8.


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Thursday, October 3, 2013

MVVM with Windows 8 and WP8


I just read Leveraging Windows 8 Features with MVVM by Brent Edwards in the July 2013 MSDN magazine. I had skipped it before, because I wasn't as interested in building a Windows 8 app. This article is a great walk through of how to use MVVM to achieve a unit testable application. He also introduces Charmed which is the examples in an open source library. It looks very useful.


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WP HTTP Proxy Caching Issue


Recently I noticed that when I did a http get to one of my API endpoints at work the request would come back with the same data no matter what. I knew the data should be coming back differently because I would make a change to the backend data and it was not be reflected in the response. To ensure that my API was working as expected I was able to verify that the response was coming back correctly in Postman as well as directly from the URL in Chrome.


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How to get started easily leveraging web services in your Windows Phone applications


Many of today's best apps and games tap online information to give customers real-time data. Apps fueled by data from online weather, stock, and news services; social networking; and game playing networks are part of today's connected world, and part of what has created the smartphone revolution. It's mostly pretty easy to build these types of experiences by consuming web services that already exist, using friendly .NET APIs like WebClient, HTTPWebRequest, or the PCL library HTTPClient. But you can greatly expal3nnd your app's capabilities by building your own web service. Backend as a Service (BaaS) providers make this easier than ever, and in many cases you can get started at no cost. Because some of the best app experiences can be improved and expanded by consuming web services, and possibly even more by creating your own, we're showcasing many of the best online resources to help you get going, and beyond. Here are key places to go to get started:


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Wednesday, October 2, 2013

Increasing in app purchases in your WP apps


There are a few ways to increase the rate of in app purchases. One of these ways is to show a message prompt to the user explaining that an in app purchase is available and what the user can get from it. In a previous post I explained how to use Telerik's RateApplicationReminder to increase reviews of your app. The RateApplicationReminder is great because it just works. No, really. No need for you to determine if you should show a reminder to rate the app. It handles all of the logic and it navigates the user to rate your app. Another benefit of the RateApplicationReminder is that it is built on a framework for showing reminders. This framework can be extended to create your own reminders.


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Stay tuned to my blogtwitter or facebook to read more articles, tutorials, news, tips & tricks on various technology fields. Also Subscribe to our Newsletter with your Email ID to keep you updated on latest posts. We will send newsletter to your registered email address. We will not share your email address to anybody as we respect privacy.


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