The application to display very slowly, please give me advice, thanks.
Dear all,
Could someone give me some advice? Thanks, I'm new developer in the development of a program administered for BB bold 9000, but when I run the application, it was display very slowly. Thank you.
My code is displayed as follows:
Main:
import net.rim.blackberry.api.browser.Browser;
import net.rim.blackberry.api.browser.BrowserSession;
import net.rim.device.api.servicebook.ServiceBook;
import net.rim.device.api.servicebook.ServiceRecord;
import net.rim.device.api.system.Characters;
import net.rim.device.api.system.EncodedImage;
import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.DrawStyle;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.Font;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.BitmapField;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.container.HorizontalFieldManager;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.ui.container.VerticalFieldManager;
import net.rim.device.api.ui.decor.Background;
import net.rim.device.api.ui.decor.BackgroundFactory;
public class SmartoneVodafoneServices extends UiApplication {
public static void main(String arg[]) throws Throwable {
SmartoneVodafoneServices application = null;
application = new SmartoneVodafoneServices();
application.enterEventDispatcher();
}
public SmartoneVodafoneServices() throws Throwable {
pushScreen(new SmartoneVodafoneServicesScreen());
}
}
class SmartoneVodafoneServicesScreen extends MainScreen {
//private TableLayoutManager table = TableDefine();
private String url = "http://202.140.96.134:8080/Hero/shortcuts_demo.xml";
private static ServiceBook sb = ServiceBook.getSB();
private static ServiceRecord[] records = sb.findRecordsByCid("BrowserConfig");
public SmartoneVodafoneServicesScreen() throws Throwable {
super();
LabelField title = new LabelField("Smartone Vodafone Services",
DrawStyle.ELLIPSIS | Field.USE_ALL_WIDTH | DrawStyle.HCENTER);
setTitle(title);
Background bg = BackgroundFactory.createSolidBackground(Color.BLACK);
getMainManager().setBackground(bg);
String[][] arr = null;EncodedImage pic = null;int p = 0;
UiApplication.getUiApplication().getScreenCount();
arr = Conn.WorkForXML(url);
HorizontalFieldManager mainHManager = new HorizontalFieldManager(Field.FIELD_VCENTER);
VerticalFieldManager col1 = new VerticalFieldManager(Field.FIELD_HCENTER);
VerticalFieldManager col2 = new VerticalFieldManager(Field.FIELD_HCENTER);
VerticalFieldManager col3 = new VerticalFieldManager(Field.FIELD_HCENTER);
VerticalFieldManager col4 = new VerticalFieldManager(Field.FIELD_HCENTER);
VerticalFieldManager col5 = new VerticalFieldManager(Field.FIELD_HCENTER);
for (int i = 0; i < arr.length; i++) {
if (arr[i][0] != null || arr[i][1] != null || arr[i][2] != null) {
LabelField name = showName(arr[i][0]);
pic = Conn.GetPngField(arr[i][1]);
final String link = arr[i][2];
//final String link = "http://202.140.96.134:8080/blackberry/index.html";
BitmapField myBitmapField = new BitmapField(pic.getBitmap(),Field.FOCUSABLE|FIELD_VCENTER){
protected boolean invokeAction(int status){
//BrowserSession site = Browser.getDefaultSession();
BrowserSession site = createWAPBrowserSession();
site.displayPage(link);
return true;
}
protected void paint(Graphics g) {
g.setBackgroundColor(Color.BLACK);
g.drawRoundRect(0, 0, getWidth(), getHeight(), 10, 10);
g.setColor(Color.WHITE);
super.paint(g);
}
};
switch (p) {
case 0:
col1.add(new LabelField(" ",LabelField.NON_FOCUSABLE));
col1.add(myBitmapField);
col1.add(name);
break;
case 1:
col2.add(new LabelField(" ",LabelField.NON_FOCUSABLE));
col2.add(myBitmapField);
col2.add(name);
break;
case 2:
col3.add(new LabelField(" ",LabelField.NON_FOCUSABLE));
col3.add(myBitmapField);
col3.add(name);
break;
case 3:
col4.add(new LabelField(" ",LabelField.NON_FOCUSABLE));
col4.add(myBitmapField);
col4.add(name);
break;
case 4:
col5.add(new LabelField(" ",LabelField.NON_FOCUSABLE));
col5.add(myBitmapField);
col5.add(name);
break;
}
p ++;
if ( p == 5 ){
p = 0;
}
}
}
mainHManager.add(col1);
mainHManager.add(col2);
mainHManager.add(col3);
mainHManager.add(col4);
mainHManager.add(col5);
add(mainHManager);
}
public LabelField showName(String name) {
return new LabelField(name,LabelField.NON_FOCUSABLE|LabelField.FIELD_VCENTER){
protected void paint(Graphics g) {
Font myFont = Font.getDefault().derive(Font.PLAIN, 7);
g.setColor(Color.WHITE);
g.setFont(myFont);
super.paint(g);
}
};
}
public static BrowserSession createWAPBrowserSession()
{
// If there are browser services found - search for the WAP2
// Service Record
String uid = null;
int numRecords = records.length;
for( int i = 0; i < numRecords; i++ )
{
ServiceRecord myRecord = records[i];
//if (myRecord.getName()){
if (myRecord.getUid().equals("WAP Browser Smartone")==true){
uid = myRecord.getUid();
}
}
return Browser.getSession(uid);
}
public boolean keyChar(char key, int status, int time)
{
switch (key) {
case Characters.ESCAPE:
System.exit(0);
break;
}
return true;
//return true to indicate that a key was pressed
}
}
Conn.Java
import java.io.*;
import javax.microedition.io.*;
import net.rim.blackberry.api.browser.Browser;
import net.rim.blackberry.api.browser.BrowserSession;
import net.rim.device.api.math.*;
import net.rim.device.api.servicebook.ServiceRecord;
import net.rim.device.api.system.*;
import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.XYEdges;
import net.rim.device.api.ui.component.BitmapField;
import net.rim.device.api.ui.decor.Border;
import net.rim.device.api.ui.decor.BorderFactory;
import net.rim.device.api.xml.parsers.*;
import org.w3c.dom.*;
public class Conn {
/**
* @return
* @throws IOException
* @throws Throwable
* @throws Throwable
*/
public static String[][] WorkForXML(String url) throws IOException, Throwable {
// TODO Auto-generated method stub
String[][] arr = null;
HttpConnection conn = null;
Document doc;
conn = (HttpConnection) Connector.open(url);
conn.setRequestMethod(HttpConnection.GET);
try {
if (conn.getResponseCode() == HttpConnection.HTTP_OK) {
DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
docBuilder.isValidating();
doc = docBuilder.parse(conn.openInputStream());
conn.close();
doc.getDocumentElement().normalize();
NodeList list = doc.getElementsByTagName("item");
arr = new String[list.getLength()][3];
for (int i = 0; i < list.getLength(); i++) {
Node nNode = list.item(i);
NodeList sList = nNode.getChildNodes();
if (sList.item(1).getFirstChild().getNodeValue().equals("0")) {
arr[i][0] = sList.item(3).getFirstChild().getNodeValue();
arr[i][1] = sList.item(7).getFirstChild().getNodeValue();
arr[i][2] = sList.item(11).getFirstChild().getNodeValue();
}
}
conn=null;
docBuilderFactory = null;
docBuilder = null;
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ParserConfigurationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return arr;
}
public static EncodedImage GetPngField(String pic) throws IOException {
EncodedImage imageField = null;
HttpConnection picon = null;
picon = (HttpConnection) Connector.open(pic);
picon.setRequestMethod(HttpConnection.GET);
try {
if (picon.getResponseCode() == HttpConnection.HTTP_OK) {
DataInputStream inputStream = picon.openDataInputStream();
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
byte[] buffer = new byte[5120];
int len = 0, imageSize = 0;
while (-1 != (len = inputStream.read(buffer))) {
byteArrayOutputStream.write(buffer);
imageSize += len;
}
byteArrayOutputStream.flush();
picon.close();
picon=null;
byte[] imageData = byteArrayOutputStream.toByteArray();
byteArrayOutputStream.close();
byteArrayOutputStream = null;
inputStream = null;
//imageField = PNGEncodedImage.createEncodedImage(imageData, 0, imageSize);
EncodedImage pngImage = PNGEncodedImage.createEncodedImage(imageData, 0, imageSize);
imageField = resizeImage(pngImage,55,55);
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return imageField;
}
public static EncodedImage resizeImage (EncodedImage png,int Height, int Width) {
int currHeight,currWidth,multH = 0,multW = 0;
try {
currHeight = png.getHeight();
currWidth = png.getWidth();
multH = Fixed32.div(Fixed32.toFP(currHeight),Fixed32.toFP(Height));
multW = Fixed32.div(Fixed32.toFP(currWidth),Fixed32.toFP(Width));
} catch (Exception e) {}
return png.scaleImage32(multH,multW);
}
}
I have
hyoryeo wrote:
Thanks ydarishy & peter_strange,
I just point the programmer SR. is not recommended to use the wire in my workplace. But I think that the wire is the good way to make my faster program because I found that the wire would be used in many places in the Blackberry. Then I would practice the Thread in the test project.
have been changes to the program and use the wire, saw the fastest forward speed. I would add the bar of charge process if necessary of the head. Thanks ydarishy & peter_strange,.
SmartoneVodafoneServices.java
import java.util.Vector;
import net.rim.blackberry.api.browser.Browser;import net.rim.blackberry.api.browser.BrowserSession;import net.rim.device.api.servicebook.ServiceBook;import net.rim.device.api.servicebook.ServiceRecord;import net.rim.device.api.system.Characters;import net.rim.device.api.ui.Color;import net.rim.device.api.ui.DrawStyle;import net.rim.device.api.ui.Field;import net.rim.device.api.ui.UiApplication;import net.rim.device.api.ui.component.LabelField;import net.rim.device.api.ui.container.HorizontalFieldManager;import net.rim.device.api.ui.container.MainScreen;import net.rim.device.api.ui.container.VerticalFieldManager;import net.rim.device.api.ui.decor.Background;import net.rim.device.api.ui.decor.BackgroundFactory;
public class SmartoneVodafoneServices extends UiApplication {
public static void main(String arg[]) throws Throwable { SmartoneVodafoneServices application = null; application = new SmartoneVodafoneServices(); application.enterEventDispatcher(); }
public SmartoneVodafoneServices() throws Throwable { pushScreen(new SmartoneVodafoneServicesScreen()); }}
class SmartoneVodafoneServicesScreen extends MainScreen {
private String url = "http://202.140.96.134:8080/Hero/shortcuts_demo.xml";
private static ServiceBook sb = ServiceBook.getSB(); private static ServiceRecord[] records = sb.findRecordsByCid("BrowserConfig"); private HorizontalFieldManager mainHManager = new HorizontalFieldManager(Field.FIELD_VCENTER); private VerticalFieldManager colum1 = new VerticalFieldManager(Field.FIELD_HCENTER); private VerticalFieldManager colum2 = new VerticalFieldManager(Field.FIELD_HCENTER); private VerticalFieldManager colum3 = new VerticalFieldManager(Field.FIELD_HCENTER); private VerticalFieldManager colum4 = new VerticalFieldManager(Field.FIELD_HCENTER); private VerticalFieldManager colum5 = new VerticalFieldManager(Field.FIELD_HCENTER);
private Vector col = new Vector();
public SmartoneVodafoneServicesScreen() throws Throwable { super(); LabelField title = new LabelField("Smartone Vodafone Services", DrawStyle.ELLIPSIS | Field.USE_ALL_WIDTH | DrawStyle.HCENTER); setTitle(title); col.addElement(colum1);col.addElement(colum2);col.addElement(colum3);col.addElement(colum4);col.addElement(colum5); Background bg = BackgroundFactory.createSolidBackground(Color.BLACK); getMainManager().setBackground(bg); SmartoneVodafoneServicesScreen screen = this; ConnectXMLThread startMainThread = new ConnectXMLThread(url,col,mainHManager, screen); startMainThread.start(); //startMainThread.wait(30000);
}
public BrowserSession createWAPBrowserSession() { // If there are browser services found - search for the WAP2 // Service Record String uid = null; int numRecords = records.length; for( int i = 0; i < numRecords; i++ ) { ServiceRecord myRecord = records[i]; if (myRecord.getUid().equals("WAP Browser Smartone")==true){ uid = myRecord.getUid(); } } return Browser.getSession(uid); } public boolean keyChar(char key, int status, int time) { switch (key) { case Characters.ESCAPE: System.exit(0); break; } return true; //return true to indicate that a key was pressed }}
ConnectXMLThread.java
import java.util.Vector;
import javax.microedition.io.Connector;import javax.microedition.io.StreamConnection;
import net.rim.device.api.ui.UiApplication;import net.rim.device.api.ui.container.HorizontalFieldManager;import net.rim.device.api.ui.container.VerticalFieldManager;import net.rim.device.api.xml.parsers.DocumentBuilder;import net.rim.device.api.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;import org.w3c.dom.Node;import org.w3c.dom.NodeList;
public class ConnectXMLThread extends Thread {
private StreamConnection conn; private Document doc; private Vector vector = new Vector(); private String url; private Vector col; private HorizontalFieldManager mainHManager; private SmartoneVodafoneServicesScreen screen;
//public ConnectXMLThread(long startApplication) { public ConnectXMLThread(String url, Vector col, HorizontalFieldManager mainHManager, SmartoneVodafoneServicesScreen screen) { // TODO Auto-generated constructor stub //this.starttime = startApplication; this.url = url; this.col = col; this.mainHManager = mainHManager; this.screen = screen;
}
public void run() { try { conn = (StreamConnection) Connector.open(url); DocumentBuilderFactory docFac = DocumentBuilderFactory.newInstance(); DocumentBuilder docBui = docFac.newDocumentBuilder(); doc = docBui.parse(conn.openInputStream()); NodeList list = doc.getElementsByTagName("item");
for (int i = 0; i < list.getLength(); i++) { Node nNode = list.item(i); NodeList sList = nNode.getChildNodes();
if (sList.item(1).getFirstChild().getNodeValue().equals("0")) { String[] arr = new String[3]; arr[0] = sList.item(3).getFirstChild().getNodeValue(); arr[1] = sList.item(7).getFirstChild().getNodeValue(); arr[2] = sList.item(11).getFirstChild().getNodeValue(); vector.addElement(arr); } } Vector threadList = new Vector(vector .size()); for (int i = 0; i < vector.size(); i++) { String[] arr = (String[]) vector.elementAt(i); String img = arr[1]; String url = arr[2];
ConnectPNGThread requestThread = new ConnectPNGThread(img, url, i,col,screen); requestThread.start();
threadList.addElement(requestThread);
}
//System.out.println("Wait for threads to complete"); boolean isComplete = false; while (!isComplete) { // NetworkThread.sleep(500); for (int i = 0; i < threadList.size(); i++) { if (((ConnectPNGThread) threadList.elementAt(i)).isAlive()) { isComplete = false; break; } if (i == threadList.size() - 1) { isComplete = true; } } } //final long endApplication = System.currentTimeMillis(); UiApplication.getUiApplication().invokeLater(new Runnable() { public void run() { for (int num = 0; num < 5; num++) { mainHManager.add((VerticalFieldManager) col.elementAt(num % 5)); } screen.add(mainHManager); //Dialog.alert(Long.toString((endApplication - starttime))); } });
System.out.println("All threads are complete"); } catch (Exception e) {
}
}
}
ConnectPNGThread
import java.io.ByteArrayOutputStream;import java.io.DataInputStream;import java.util.Vector;
import javax.microedition.io.Connector;import javax.microedition.io.StreamConnection;
import net.rim.blackberry.api.browser.BrowserSession;import net.rim.device.api.system.EncodedImage;import net.rim.device.api.system.PNGEncodedImage;import net.rim.device.api.ui.Color;import net.rim.device.api.ui.Field;import net.rim.device.api.ui.Graphics;import net.rim.device.api.ui.component.BitmapField;import net.rim.device.api.ui.component.LabelField;import net.rim.device.api.ui.container.VerticalFieldManager;
public class ConnectPNGThread extends Thread {
private StreamConnection picon; private int p; private Vector col; private String img; private String url; private SmartoneVodafoneServicesScreen screen;
public ConnectPNGThread(String img, String url, int i, Vector col, SmartoneVodafoneServicesScreen screen) { // TODO Auto-generated constructor stub super(); this.img = img; this.url = url; this.p = i%5; this.col = col; this.screen = screen; }
public void run() { //public NetworkThread() { try { picon = (StreamConnection) Connector.open(img); DataInputStream inputStream = picon.openDataInputStream(); ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); byte[] buffer = new byte[5120]; int len = 0, imageSize = 0; while (-1 != (len = inputStream.read(buffer))) { byteArrayOutputStream.write(buffer); imageSize += len; } picon.close(); byteArrayOutputStream.flush(); byte[] imageData = byteArrayOutputStream.toByteArray(); final EncodedImage pngImage = PNGEncodedImage.createEncodedImage(imageData, 0, imageSize); final BitmapField myBitmapField = new BitmapField(pngImage .getBitmap(), Field.FIELD_VCENTER | Field.FOCUSABLE) { protected boolean invokeAction(int status) { // BrowserSession site = Browser.getDefaultSession(); BrowserSession site = screen.createWAPBrowserSession(); site.displayPage(url); return true; }
protected void paint(Graphics g) { g.setBackgroundColor(Color.BLACK); g.drawRoundRect(0, 0, getWidth(), getHeight(), 10, 10); g.setColor(Color.WHITE); super.paint(g);
}
};
VerticalFieldManager c = (VerticalFieldManager) col.elementAt(p); c.add(new LabelField(" ", LabelField.NON_FOCUSABLE)); c.add(myBitmapField);
} catch (Exception e) { //e.printStackTrace(); System.out.println(e.toString()); } }
}
Tags: BlackBerry Developers
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It can have.
Read http://www.edbott.com/weblog/archives/000643.html
and http://aumha.net/viewtopic.php?t=28099
Let me stress that neither me nor anyone else who warns the
use of registry cleaners never said that they always cause
problems. If they have always caused problems, they would disappear from
the market almost immediately. Many people have used a registry
cleaner and never had a problem with it.
The problem with a registry cleaner is that it carries with it
the risk of a significant problem. And since there is no
benefits of using a registry cleaner, running that risk is a very bad
good deal.
Ken Blake, Microsoft MVP
Download the image via httpConnection very slowly
I've been wroted a function to get a picture from the internet, the size of the image always in 50x50px, very small, but I have to waste a lot of time for reveiving given, here is my code:
package code;
import java.io.IOException;
import java.io.InputStream;
import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
import net.rim.device.api.io.IOCancelledException;
import net.rim.device.api.io.IOUtilities;
import net.rim.device.api.ui.UiApplication;
public class HttpUtility
{
private static byte[] _imageData;
private static String _url;
public static byte[] getInternetImage(String url, boolean waiting)
{
_url=url;
_imageData=null;
Runnable run=new Runnable()
{
public void run()
{
byte[] data=null;
try {
HttpConnection httpConnection=(HttpConnection) Connector.open(_url+Function.updateConnectionSuffix());
InputStream inputStream=httpConnection.openInputStream();
if(inputStream.available()>0)
{
data=IOUtilities.streamToBytes(inputStream);
inputStream.read(data);
_imageData=data;
}
} catch(IOCancelledException e2) {Function.errorDialog(e2.toString());}
catch (IOException e) {Function.errorDialog(e.toString());}
}
};
if(waiting)
{
UiApplication.getUiApplication().invokeAndWait(run);
} else {
UiApplication.getUiApplication().invokeLater(run);
}
return _imageData;
}
}
The updateConnectionSuffix() to determine the network environment and choose a better way for httpConnection.
Is there a problem in my code? I have no idea
invokelater executes on the thread of the event, and not on a separate thread.
currently you block your UI until data is available.
See
http://supportforums.BlackBerry.com/T5/Java-development/what-is-the-event-thread/Ta-p/446865
Take a look at the httpdemo to see how you could do it better.
The application could not be loaded, please contact No.602 application provider error
I have Vista 64-bit Wibndows and every time I boot up I am faced with this message on my desk. I searched on the net and the MS pages to try to find a cure, but for now I'm unlucky. If I OK it then it goes and everything is as usual, but I would rather sort? Thank you
Hi charlie3110,
· Did you do changes on the computer before the show?
Perform a clean boot to see if there is a software conflict as the clean boot helps eliminate software conflicts.
Note: After completing the steps in the clean boot troubleshooting, follow the link step 7 to return the computer to a Normal startupmode.
Hi, I downloaded Adblock yesterday, since then my Safari is running as Aol dial up to 20 years. I don't know how to uninstall Adblock.Don't you think that this is the cause? MacBook Pro 2014 OS X El Capitan Version 10.11.3 retina 13 inches processor: 2.6 GHz Intel Core i5, 34,88 GB 120,11 GB free memory I must sound stupid that I don't know how to uninstall it, but I can't even find Adblock anywhere on my computer. Please help me! My nephew who is my personal COMPUTING guru is in Russia on vacation. Thank you very much.
greekmama1
Please download and install EtreCheck from http://etrecheck.com/
Run it and post the report here.
Please give me advice on my x200s problems.
Hello
My x200s bought last year and now it is still under warranty.
Question No. 1:
Initially, the machine has been perfect, but there are about 3 months, I found the first defective pixel on the screen.
Then the number continues to grow. Now, there are at least 5 of them. All are dark.
Can I ask Lenovo to doing nothing, say, have exchanged LCD? Any advice?
Question 2:
Recently, I ran HDTunes and it gave me a C4 SMART WARNING "reassigned number of events. The general health of the HARD drive has warned.
Now, I'm a little worried by the HARD drive. Can I ask lenovo to do something? Any advice?
A question:
The location of the warranty of this machine is Hong Kong, but currently I am in Australia.
This situation will cause a problem seeking Australian service of Lenovo?
Thank you
Jrouy
As long as you have Australian warranty, then these two problems are covered.
You can determine if your machine is eligible for the guarantee in Australia, by checking the following Web site.
http://www-307.IBM.com/PC/support/site.WSS/document.do?lndocid=look-IWS#SW
1st edition, you have to send the laptop to the warehouse (once you have contacted warranty Lenovo on 131-426, they will arrange for pick up and delivery to the nearest warehouse using DHL Express).
2nd edition, can be solved by Lenovo service sends the hot spare for you (you can request a set of recovery media, if you have not done an already) and you give the mail (toll priority) that broken.
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