blackberry-simulator

问题 My application takes data from a server and saves it to an SQLite database. This works fine in the 9550 (BlackBerry Storm 2) simulator, but when I run this in any other simulator it gives me this error: file system not ready Code snippet: URI myURI = URI.create("file:///store/MyDataBase.db"); Why is this happening? 回答1: It may be that store is not a mounted and available file system root on the 9550. You should use javax.microedition.io.file.FileSystemRegistry.listRoots() to get an

问题 I am trying to play a video based on the videorecordingdemo sample from JDE7.0 (code below). I am building for OS5.0 - which is why I cannot just run the whole demo app which is written for OS7.0. I am using the emulator (9300) and have set up a folder to be used as my sd card. I have placed a .AVI video in there. I have also tried placing the .AVI into the resources, and streaming it from there. In both cases, when I call Player.start() , the following exception is thrown: net.rim.device

问题 I am developing a form where the user needs to enter a valid email. He/she will use it as a loginid to play the game.I want to know how can I validate the username containing @, similar to string.contains function. I learnt we can use string.indexOf() but it is not supporting "@". Kindly suggest how do I carry out this validation. When the email editfield loses focus, the username must be checked to see if it contains "@" or not. 回答1: Use EmailAddressEditField.. here is the way

问题 I want to create a simple json parser for BlackBerry to test. I found this example, and implement my code as follows import java.io.ByteArrayOutputStream; import java.io.InputStream; import java.util.Vector; import javax.microedition.io.Connector; import javax.microedition.io.HttpConnection; import org.json.me.JSONArray; import org.json.me.JSONObject; import net.rim.device.api.ui.component.Dialog; import net.rim.device.api.ui.container.MainScreen; public final class MyScreen extends

问题 I am using BrowserField component of RIM BB . It is right now displaying a white background. I want make a transparent background, so it could match with the Manager's background color. I had tried with below code. But it's not working. BrowserField contentField = new BrowserField(); bgTransparent = BackgroundFactory.createSolidTransparentBackground(0xffffff, 0); contentField.setBackground(bgTransparent); How to solve this? 来源： https://stackoverflow.com/questions/12421300/how-to-make

问题 I have a 9800 simulator. I mounted a directory as SDcard... Now if i use function populateDB(tx) { tx.executeSql('DROP TABLE IF EXISTS DEMO'); tx.executeSql('CREATE TABLE IF NOT EXISTS DEMO (id unique, data)'); tx.executeSql('INSERT INTO DEMO (id, data) VALUES (1, "First row")'); tx.executeSql('INSERT INTO DEMO (id, data) VALUES (2, "Second row")'); } function errorCB(err) { alert("Error processing SQL: "+err.code); } function successCB() { alert("success!"); } var db = window.openDatabase(

问题 As i am newbie in BlackBerry development, i don't know what should i implement for the below problem: I want to load web page inside the webview (Navigation should be within application) and hide the URL address bar of the webview.) I know the solution we do in Android as to make webViewClient and load the same inside the WebView inside the Android. But i don't know about the exact solution for the BlackBerry. One more thing, i have gone through BrowserField demo but i am not able to load

问题 I am trying to learn about MapField in Blackberry and I need to know that wheter I need to have a BIS or BES service in order to use MapField. I can use the MapFiel while using the simulator but when I read some forums I saw some people wrote that people need to have BIS or BES to show the MapField. Is it true or not ? Thank you all... 回答1: You need to have a BIS conection, so you should run the MDS emulator to have the BIS server emulation on your computer, this will work for your mobile

问题 I have just switched to Blackberry from android. I have downloaded and installed BlackBerry_JDE_PluginFull_2.0.0_indigo . And created a helloworld project but when I run the project on simulator a dialog comes up "Blackberry Touch" . If I press OK it hangs and dialog and simulator doesnt work .Please help what is the problem here I am new to all this? 来源： https://stackoverflow.com/questions/18378387/blackberry-simulator-9900-not-working

问题 I want to upload an image in blackberry simulator using MultipartPostData, the following is my code but it does not seem to work. I have also signed my .cod file. Can anyone help me please? public void postData(String Url, bytes[] data) { if (DeviceInfo.isSimulator()){ Url=Url+";deviceSide=true"; } HttpConnection httpConn=null; OutputStream os=null; InputStream is=null; String url=Url; try { PostData form = new MultipartPostData(MultipartPostData.DEFAULT_CHARSET, false) ; byte [] postData =