In Android, we may sometimes need to add ContextMenu to a View, it's not so easy to add ContextMenu to a customized View. Here we explain how to add ContextMenu to a customized View.First, we may need to create View.OnCreateContextMenuListener so that the customized view can register for it.Here is the class definition:public class GraphView extends View {    private View.OnCreateContextMenuListener vC = new View.OnCreateContextMenuListener() {        @Override        public void onCreateContextMenu(ContextMenu menu, Vi...

The original Apple Computer, also known retroactively as the Apple I, or Apple-1, is a personal computer invented by Steve Wozniak ion 29th June, 1975. Wozniak's friend Steve Jobs had the idea of selling the computer. Features:CPU : MCStek 6502CPU Speed : 1MHzBus Speed : 1MHzMemory : 8KbResolution : 60.05 Hz, 40*24 charactersPower : 58WPrice : $666.66The Apple I went on sale in July 1976 at a price of US$666.66, because Wozniak "liked repeating digits" and because they originally sold it to a local shop for $500 plus a one-third markup  About 200 units were produced. Unlike other hobbyist...

Google Maps, Bing Maps, and some map providers have offered indoor map service such as in  the airport, major shopping malls and stadiums for some time. The problem is that these indoor maps can not precisely tell you which floor you are on a map, the GPS obviously can not work very well in this environment, WiFi and GPRS positioning is not very precise. Google announced the improvement program of Google Maps for accurate indoor positioning. The current owners of these places will cooperate with Google, they will update the floor plan for Google's map service, users can access their cur...

Nowadays smart phones have plenty of cool features you can get to know without reading the manuals. But do you know there are some useful but less well known features which can ease our life? In this post, we will share with you some cool features on iPhone. If you have an iPhone with, go and get a try.1. Use Google Map as free GPSWhile traveling abroad, you can use Google Maps as a free GPS without an international data plan by making use of it's hidden offline maps feature.You can use this feature by simply zooming to a map area you want offline in the maps app and typing "ok maps" into the ...

According to The Independent report, Apple is now facing an investigation and a potential fine of up to one million rubles from Russia government. This investigation is about the built in same-sex emotion icons in iOS keyboard. Russia claims that these emotions violated the "Russian LGBT propaganda law" approved in 2013.This law is mainly approved to protect children from exposing to content that promotes homosexuality as being a norm in society—contradicting "traditional" family values, According to the law, if any content related to homosexual promotion is distributed among m...

According to Sina.com. Nokia confirmed that the 808 PureView released last year would be the last phone equipped with Symbian OS in its Q4 financial report. This means that Symbian has been officially declared dead.Nokia said in the report: "In 2012, during the process of transition to Windows Phone, we continue to sell Symbian devices. The Nokia 808 PureView launched in the middle of last year is the last Symbian device."In Q4 2012, sales of Symbian phones were 2.2 million which was equivalent to half of the Lumia Windows Phone handsets. Before the advent of the Apple iPhone and Android, Symb...

As for which platform has more development cost, there are many different views. Using Android we no need to spend money on an expensive Mac computer, iOS test machine and $99 year fee for each developer account. While developing iOS apps does not require much testing, screen adaption, debug and script compatibility considerations. Let's see a few views shared by some developers.Nan Li, ERP/SAP/Mobile network/Japan/Apple/KKK@ifanrBecause of the performance of iOS, it actually has dominated the Mobile App design standards, so Android will follow iOS on high quality App design.In this situation,...

Apple released many new products and new software in this year's WWDC.They include the new MacBook Air, the new MacBook Pro, iOS6 and more. Among them, the Apple's new map app may get the attention of people who love or hate Google. In iOS6, Apple ruled out Google map, they are saying goodbye to Google. This new Map app integrated with Siri will have voice navigation feature. This means people can receive real time traffic update and the map can offer alternate routes. Also, it will be a 3D map having a feature Flyover which will provide interactive 3D views. These 3D images have been taken th...