Hi Pit
It just says "Unhandled Exception",then the application ends.
So how could i read the file at the specified offset?
Thanks!

Hi:
I want to read the data of a mp4 file in the cell phone just like the RandomAccessFile does,but the DataInputStream can't support this ,I have also tried to read the data into a...

我要对手机中的mp4文件进行随机读取，可是DataInputStream不支持随机读取，只支持顺序读取，请问怎样才能对文件实现类似于RandomAccessFile的随机读取呢？
PS：尝试着把文件中的数据读取到一个字节缓存区（ByteArrayInputStream）中，但是好像也不支持对字节区的随机读取。

急等赐教！

大家好：
我想在主线程中显示alert1，同时新建一个线程进行文件操作，文件操作结束后显示alert2，下面是我的代码概要：
class MyThread extends Thread{
boolean isStopped=false;
public void run(){
while(isStopped){...

HI
i want to dispaly alert1 in the main thread ,meantime create a new thread to acess a file .when the new thread is finished,display alert2 on the screen.Here is my code:

class MyThread extends...

Hello,thanks for your attention.
My problem has been solved.I reinstalled all the softwares and then the generated jar can be executed on the s60 devices.So i think it's just because i had installed...

Hello, my IDE is eclipse 3.3,and SDK is S60 3rd Edition FP2 SDK.
I have tried my application on N95 which was bought in HongKong ,also tried it on 6120c,both failed.
As to the firmware version,I am...

HI,
I have tried some simple midlets such as the HelloWorld,and it works well on the s60 emulator.But when i want to test it on the s60 devices,it can be installed but can't be executed.The...

Thanks for csbhushan's reply.
I have changed the code to FileConnection fc=(FileConnection)Connector.open("file:///C:/Data/new.txt");
But it still throws out an java.lang.SecurityException. So what...

Hi:
I want to create a file on the S60 emulator and my IDE is Eclipse 3.2.Here is my code:

private void createfile()
{
try{
FileConnection...

Hi,all.
I am new in java world.Now in my application i want to get a video from the camera then edit the video file metadata using jsr-135 and jsr-234.I want to ask whether the jsr-135 and...