java-me

问题 The question pretty much sums it up. Just want to run a regular expression match on a string in J2ME. 回答1: JRegex will not run on CLDC device. Try this one: code.google.com/p/regexp-me/. 回答2: Will JRegex run in J2ME? UPDATE: Based on Rory's comment, I recommend JRegex, then. 回答3: JRegex doesn't compile on J2ME (at least in the blackberry dev environment). I'm interested in a regex library as well but JRegex doesn't seem to work for this purpose. 回答4: It's hard to tell what runs on J2ME due to

问题 Why public InputStream getResourceAsStream(String name) is in Class class? It just give inputstream of file which is in jar file and there is no relation with Class class. so it can be static method and it can be in any class. 回答1: There is a relationship to the class: The package of the class is taken into account - if you give call getResourceAsStream("baz.txt") on the class for foo.bar.SomeClass it will look for /foo/bar/baz.txt The classloader is taken into account to find the resources

问题 I have to use FFT to analyse the frequency of an audio file. But I don't know what the input and output is. Do I have to use 1-dimension, 2-dimension or 3-dimension array if I want to draw the spectrum's audio file? And can someone suggest me library for FFT on J2ME? 回答1: @thongcaoloi, The simple answer regarding the dimensionality of your input data is: you need 1D data. Now I'll explain what that means. Because you want to analyze audio data, your input to the discrete Fourier transform

问题 I have to use FFT to analyse the frequency of an audio file. But I don't know what the input and output is. Do I have to use 1-dimension, 2-dimension or 3-dimension array if I want to draw the spectrum's audio file? And can someone suggest me library for FFT on J2ME? 回答1: @thongcaoloi, The simple answer regarding the dimensionality of your input data is: you need 1D data. Now I'll explain what that means. Because you want to analyze audio data, your input to the discrete Fourier transform

问题 I have to use FFT to analyse the frequency of an audio file. But I don't know what the input and output is. Do I have to use 1-dimension, 2-dimension or 3-dimension array if I want to draw the spectrum's audio file? And can someone suggest me library for FFT on J2ME? 回答1: @thongcaoloi, The simple answer regarding the dimensionality of your input data is: you need 1D data. Now I'll explain what that means. Because you want to analyze audio data, your input to the discrete Fourier transform

问题 I am developing one project using LWUIT, Midlet mobile Application. when I press number keys a dialog box will open. when i press the keys #,0,* Dialog should be close. I am using Dialog.dispose() method to close dialog. But it is not working. Below is my Code. Can anyone tell me what is the problem in my code? public class javaForm extends Component implements ActionListener { Dialog d=new Dialog(); public void keyPressed(int key){ System.out.println("Key pressed :"+key); switch(key) { case

问题 I am creating an application in Eclipse to translate text from english to french using googleAPI. I am passing the url in this format url=" https://www.googleapis.com/language/translate/v2?key&q=Hello&source=en&target=fr" ; I am using HttpConnection I am getting this error : certificate was issued by an unrecognized entity I read all other forums and tried to invoke GoogleAPi in SDK3.0 but still same error comes. All the forums are saying that it is due to emulator and this is the really case

问题 I am creating an application in Eclipse to translate text from english to french using googleAPI. I am passing the url in this format url=" https://www.googleapis.com/language/translate/v2?key&q=Hello&source=en&target=fr" ; I am using HttpConnection I am getting this error : certificate was issued by an unrecognized entity I read all other forums and tried to invoke GoogleAPi in SDK3.0 but still same error comes. All the forums are saying that it is due to emulator and this is the really case

问题 I am trying to program a very simple Mobile Application (J2ME) in java. The idea is to access a website via URL input and read the contents of the website into a buffer. Here's the problem. This works perfectly fine for some URL's but not others? The example below (wikipedia) works fine. But take "http://java.com/en/about/" as an example and the "HttpConnection hc" returns -1 for getLenght() so there is no content to read into the buffer? Here's my code: String url = "http://en.wikipedia.org

问题 While I'm running a simple application in my Netbeans 6.9.1,it's showing "task running, click for details" for a long time .and also there is an error "unexpected exception" in the bottom of the netbeans when I'm clicking that: NoSuchMethodError: org.apache.tools.ant.util.FileUtils.getFileUtils()Lorg/apache/tools/ant/util/FileUtils; This error is coming. Few days before this application executed well, but now this error for all applications.The main error is it's not running,but it's showing