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September 17, 2014

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Bluetooth Remote on Android to Control Presentations on PC

B eing in the networking field for a while i had an interest to develop something on Bluetooth or wi-fi also I have always thought of controlling my laptop from my Android phone, so i targeted Bluetooth. So here it is " an idea to make my Android phone become a simple remote control for my laptop, just for controlling the Power Point slides for presentation" . To make it possible i have to go through following challenges: Remote server on PC A way to generate events on remote PC Remote Controller on Android For generating events(2) on PC u need " java.awt.Robot & java.awt.event.InputEvent " classes . (Google it for more info) REMOTE CONTROL SERVER (Java): Firstly, we need to write the remote control server to receive the signal from Android phone. I used a Java library for Bluetooth called Bluecove to implement the server. You can download the blue

Spring4 MVC cheat sheet on Annotations

Spring 2.5 introduced support for annotation based MVC controllers. @RequestMapping, @RequestParam, @ModelAttribute are some of the annotations provided for this implementation. @Controller Annotation In spring-context first we need to declare a bean. This is just a stand spring bean definition in dispatcher’s context. Latest way of doing this is, enabling autodetection. For the @Controller annotation spring gives a feature of autodetection. We can add “component-scan” in spring-context and provide the base-package. <context:component-scan base-package = "com.javapapers.spring.mvc" /> <mvc:annotation-driven /> Then add @Controller annotation to controllers. The dispatcher will start from the base-package and scan for beans that are annotated with @Controller annotation and look for @RequestMapping. @Controller annotation just tells the container that this bean is a designated controller class. @RequestMapping Annotation @Request

Android on Virtual Box

All in all, it is pretty straightforward. Download, install, download, install. But if you’ve never installed a Linux based system before, some of the steps will look quite foreign. Plenty of screenshots will help with that! Before you start u have to download the following: 1 . Virtual Box 2. Android x86 iso step1 : Install Virtual Box No need to tell how to install an exe format file on windows. step2: Get Android x-86 ISO Next up, you’ll need the Android-x86 ISO itself. The one to snag is android-x86-2.2-generic.iso as i found out this is the one that works for me. Google Code: http://code.google.com/p/android-x86/downloads/list step3:Creating the Virtual Machine Follow the pictures and create a new virtual machine named Android 2.2 Froyo set the memory(the RAM) size according to your requirement(ur target system) step4 :Mount ISO Now you have to choose the iso image that you have downlo

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Videos [Good ones] ranging from {anything : anything}

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