In Android, we can have drawings on a button, also we can put animated drawings on a button as well. Today we will show how to create an animated refresh button with an animated spinner on it.We need to create an animated drawing first. Here we name it as progress.xml and put it in the res/drawable folder:<?xml version="1.0" encoding="utf-8"?><animation-list xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/spin_refresh" android:oneshot="false">    <item android:drawable="@drawable/ic_action_refresh1" android:duration="4...

Android now is an extremely popular mobile OS on the planet. This small robot creates a big world. Many developers are also devoting themselves to Android development. For both novices and experts, you all need to keep your skills updated and know what's happening in Android community. So we recommend some websites which you should bookmark.NewsAndroid People : Very interesting and most updatedAndroid Weekly : Newsletters specially for Android developersAndroid and mePHAndroidBlogsAndroid Developer Official Website : To get the latest SDK update and support.Android Developer's Blog : A blog ab...

One of the most important parts of creating an effective and intuitive user interface on touch-enabled smartphones has nothing to do with visual appearance—instead, it has to do with creating an interface that properly responds to user input based on touch. For Web applications, this means replacing mouse events with touch events. In Dojo 1.7, new touch APIs help make this process easy.This is an updated version of the post Touching and Gesturing on the iPhone, published in 2008.In the beginning…Before we discuss the new features in Dojo 1.7 that make touch interfaces easier to cr...

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...

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...

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,...

In a previous post, I mentioned how user-friendly Android is for developers. There’s extensive documentation and information on the architecture, the different components and best practices. However, the documentation has a few blind spots. Many of the tools have little documentation and no usage examples. The information is there, it’s just hidden behind a few layers of Android theory.So I’m going to try and document a few of the basic things that you’ll probably need to know to start developing Android applications. Only for beginners and intermediate Android...

This tutorial assumes that you already have an activity and are using an XML layout.Open the layout XML and add the button element.  Assign an ID with the “@+id” operator.  The + tells Android to generate an ID for this element so that you can reference it in your Java files.This is an example. Your layout and text elements will probably be very different. In this example case, the ID of the button is “close”.<Button android:id="@+id/close" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="tru...