Google SubramanyamRaju Xamarin & Windows App Dev Tutorials

Friday, 18 July 2014

WP8.0 vs WP8.1 :All about new package.appxmanifest file at beginners level

Introduction:

I believe you may already known about new windowsphone 8.1 sdk that is now old windowsphone 8.0 "WMAppManifest.xml" file is renamed to "Package.appxmanifest" which is very similar to the Windows Store apps . Package.appxmanifest is xml file that included all info of our application such as targeted app OS version,App display name,App icons,capability permissions to run app,Start page to be App launch..etc .And every app package must have one package manifest file and off-course by default it is created by Visual Studio 2013 when you create new app. Ok lets see below image to understand how many new tabs are added in new package manifest file.

Tuesday, 15 July 2014

WindowsPhone: Get the controls which are visible with in the screen bounds(C#-XAML)

Introduction:

This post is explained about "How to get child items in windowsphone " as well "How to get the controls which are visible with in the screen bounds?".


Friday, 11 July 2014

Windows App Development Tips:Top Basics for Beginners (C#-XAML)

This post is only for knowing about tips which is helpful in our daily development ,some times basic tips will be very silly,but if you don't know about them,then those makes may be one day or much time to learn them .And it is very very important thing is to knowing some useful tips ,which are helpful to boost up our development without wastage of our valuable time.I thought this post is going to much useful for blog visitors.So i just add the new tip when i got it in my development.Stay tuned up-coming tips by book mark this post. 

WindowsPhone 8.0 vs WindowsPhone 8.1: Alternative way to get screen resolutions(C#-XAML)

Introduction:

There may be many cases ,in which you need to supply higher quality images that should be fit into current device screen resolutions and its makes nice attractions for app users. Fortunately windowsphone is very good at detecting screen resolutions.However previously in windowsphone 8.0,to determine screen resolutions we are using the "App.Current.Host.Content.ScaleFactor" .But now its not working in windowsphone 8.1,So this post is explained about what is the alternative way for detecting screen resolutions in windowsphone store 8.1.

Friday, 4 July 2014

WindowsPhone 8.0 vs WindowsPhone 8.1:Now HttpClient is alternative for WebCleint(C#-XAML)

Introduction:

Previously in windowsphone 8.0 ,to request webservcie we are using "WebClient " class which is available from "System.Net" namespace.And now "Webclient" is no longer available for windowsphone store 8.1.So what is alternative for "WebClient" is "HttpClient" class which is avaialable from "Windows.Web.Http or System.Net.Http" name space's.
Note:HttpWebRequest is still available for both windowsphone store 8.1 & silverlight windowsphone

Tuesday, 24 June 2014

WindowsPhone 8.0 vs WindowsPhone 8.1:New ways for detecting Page Orientations on Phone(C#-XAML)

Introduction:

It is very important that your app looks good and functions perfectly in all orientations .And it is the best way to attract app users,fortunately windows phone can provide best strategies for making our app in all orientations ,but in some times we may need to  detect page orientations(portrait up, portrait down, landscape left, landscape right) and dynamically change the our UI design.However previously in windowsphone 8.0 we are detecting page orientations with help of 'OrientationChanged' event,but  in windowsphone store 8.1 this event is directly no longer available,so this post is explained about 'What are the alternative ways for detecting page orientation in wp8.1".In addition this post is explained about "SimpleOrientation" sensor class and how it is useful for detecting page orientations in windows phone store 8.1.

Thursday, 19 June 2014

WindowsPhone ListBox Search: HightLight the search result text with specific color(C#-XAML)

Introduction:

In prev post i was explained about get child items in windowsphone,this post is explained about "How to filter/search the listbox items based on text entered in SearchTextBox?" & "How to highlight the search text color in every mapped listbox items?".Oh apart from these two questions ,for the first question there is lot of resources are available to do that,in other hand second question is very interesting requirement and it is little bit complicated to dynamically highlight listbox items text color  which is mapped by text entered in SearchTextBox . Because indirectly it is the way of communication between SearchTextBox & ListBox DataTemplate controls,so we need to get child items of listbox datatemplate and then dynamically format the child items text color with " Run " object element.However this post will gives you simple solution for above both two questions.

Tuesday, 17 June 2014

WindowsPhone 8.0: Importance of Exclude & Include commands in Solution Explorer for Beginners (C#-XAML)

Introduction:

Have you ever use two commands "Exclude & Include" in your Solution Explorer?.if yes good,these two commands having most importance.Because when we developing a big app,in solution explorer there may be  some waste of files/images which are not useful at present,but in future these are may be useful.In this case we can temporarily remove un-useful item from the project using Exclude command.And in future when it needs we can add that item using Include command.

Wednesday, 11 June 2014

WindowsPhone 8.0 vs WindowsPhone 8.1:New DatePicker&TimePicker features(C#-XAML)

Introduction

In WindowsPhone 8.0 datepicker & timepicker controls are indireclty available from  Windows PhoneToolkit .But fortunately now both controls are direclty vailable from windows phone 8.1 sdk toolbox,so now no need for extra toolkit references ,as well as other paid controls.This post is explained about following new key properties, events,main features.

Wednesday, 4 June 2014

WindowsPhone 8 Custom URI Scheme:Launching other own apps from your app (C#-XAML)

Introduction:

It is very easy to launch another app with your app with help of "Custom URI Scheme" concept.So it is way of promoting one app with other apps.However this post is explained about 
1)How to make custom uri scheme.
2)How to communication other own installed apps with your app.
3)How to send files between two apps
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