This article focuses on PersistentStore, the permanent storage of the Blackberry development platform. It mainly includes three storage methods supported by BlackberrySDK5.0 and the requirements of PersistentStore for data types and objects, I believe that you will have a deep understanding of the concept of persistent storage-PersistentStore on the Blackberry development platform.
Persistent storage of
In this article, I will continue to learn about the Windows + eclipse environment configuration and Helloworld in BlackBerry development. I believe that through this article, you will have a deeper understanding of Black Berry development.
Windows + eclipse environment configuration and Helloworld in BlackBerry Development
Company colleague Frank sent a BlackBerry
There are three ways to load an application to a BlackBerry device:
1. BlackBerry Desktop Management Software
2. Network download
3.Javaloader.exe execution Program
The preferred way to load applications is to use Application Loader in BlackBerry Desktop Manager ).
Application Loader uses the. alx file to load the. cod file to the handheld device.
The Over-
Operation Steps:
First prepare the BlackBerry Desktop Manager, download the address: http://cn.blackberry.com/software/desktop.html
First step:
1. First open the Desktop manager and connect to the BlackBerry phone;
2. Open the computer Outlook;
3. BlackBerry Desktop Manager opens the manager option first, the page appears after a "Select the need to Sync Man
BlackBerry Java program Development, User Agent is required to manually set, so more flexible.
First Use System.getproperty ("Browser.useragent") to obtain the user agent data as follows:
For example: "mozilla/5.0" (BlackBerry; U BlackBerry 9800; EN) applewebkit/534.1+ (khtml, like Gecko) version/6.0.0.246 Mobile safari/534.1+ "
Then use Httpconnection. Setr
Free Download Development tools
Blackberry_jde_plugin v1.5 (OS7)
After installing V1.5, update online, install Component Pack 6.0, 5.0 to develop OS 6.0/os 5.0 Program
Software versions (new updates available as of Nov. 17, 2011)
To verify your ' re using the latest version of the BlackBerry Java Plug-in for Eclipse or BlackBerry java sdk:in Eclipse, G o to help and select about Eclipse. Click on installati
BlackBerry 10 token APK conversion, blackberry10 token
Objective: To run the Android program smoothly and efficiently
Install JDK and configure the environment
Both JDK1.7 and 1.8 are supported.
Environment Variable
JAVA_HOME: JDK installation directory, for example, D: \ Program Files \ Java \ jdk
If it is installed on drive C by default, such as C: \ Program Files \ Java \ jdk1.7.76
Or C: \ Program Files (x86) \ Java \ jdk1.7.76 (check where the
How to display text in BlackBerry applications, to achieve the following effects.
1. Show @cafebabe, you can choose the menu "Sina follow Cafebabe".
2. Show the Shanghai Luwan Lakeside Road XXX, you can choose the menu "Google Map."
3. Display mobile phone number, you can select the menu "Call IP".
These features can be easily implemented on the BlackBerry, implemented through the Net.rim.device.api.util.S
In the official documentation, the list of NFC card supported by BlackBerry is as follows:
Type 1 Topaz 96
Topaz 512
Type 2 Mifare Ultra Light (can be initialized with BlackBerry)
mifare Ultra Light C (1536 bit)
Infineon my-d Move
Infineon my-d NFC
Type 3 FeliCa rc-s965
Type 4 MiFare desfire EV1 (2K Bytes, 4K Bytes, 8K Bytes) (need to be initialized, can Nfctools-radiowar LiveCD inside have + NFC reader, su
In general, use the "IP Modem" interface in the BlackBerry Desktop Manager graphical interface to surf the internet.
Note the three APN different:
1. China Mobile: cmnet, no user name password
2. China Netcom: 3gnet (Trial pass)
3. China Telecom:
Dial-up Internet 1: (Try it)
APN is ctnet, user name card, password card
Dial-up Internet 2: (Try it)
APN is ctnet, username ctnet@mycdma.cn, password vnet.mobi
Rumor:
Card/card was used by cdma
Upgraded to version 8700, and supports WCDMA. The local Rom is 64 mb. expansion card is not supported. non-mainstream models, and 8700 are mainstream models. The maximum system versions supported by the two are different, with less 8707g available software.
You can search for 3G signals on the 3G card of China Unicom, but you cannot use ucweb to access the Internet. You can search for the corresponding Sb file (that is, the service book file) on the Internet and download the Desktop Manager of
Sending SMS in CDMA network using Blackberry
Http://forum.gssdaily.com/viewtopic.php? F = 36 t = 1672
ByTommy» Sat Jun 18,201 1 pm
Sending SMS in CDMA network using Blackberry
Code:
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import javax.microedition.io.Connector; import javax.microedition.io.Datagram; import javax.microedition.io.DatagramConnection; DatagramConnection connection = null; try { byte[] data = (message).get
When developing and testing BlackBerry applications, the BlackBerry simulator is usually used ). By default, the simulator does not support Chinese characters. After studying a large number of Forum posts, I learned the following method to add Chinese support to the simulator.
My development environment is eclipse + BlackBerry_Java_Plug-in_for_Eclipse, installed under D:/eclipse directory.
First, find t
The recent use of an old BlackBerry 9810 mobile phone often appear, from the WiFi network disconnected from the 3G network connected to WiFi, UC, etc. can not access the Internet, this time in the software to manually switch the network does not solve the problem, the last can only buckle the battery restart (must be a button battery).New solution: Not Internet is generally connected to WiFi, at this time we enter the "Network and Connection"---"Mobil
This was a milestone in April since the company launched its business in France, Germany, Italy and Spain, although it was only a fraction of the 50000 categories of Apple's iTunes store, however, RIM still feels "Happy ".
"Whether we are 40000 or 2000, it is important that you have a wide range of options," he said.
BlackBerry applications are developing slowly, but for BlackBerry Application developers,
The development tool needs to install the latest version of the JDK and require commands in the JDK to compile and package the BlackBerry Cod.
Install the latest version of JDK 1.6, such as version 1.6.22
My Computer settings:
Set Java_home=c:/program files/java/jdk1.6.0_20
Setting Path=c:/program Files/java/jdk1.6.0_20/bin; C:/windows/system32; Xxxxxxxxx
Under DOS, typing the following command to verify:
SET JAVA
SET PATH
Java-version
In BlackBerry Java programming, you often encounter the need to refer to a third-party jar package without source code. How to Package a Third-party jar pack into your BlackBerry application. Even pack it as a library cod that can be shared by multiple applications.
Steps:1. First of all, the location of the API jar package, Xxx.jar into your project.Right-click your project, select Properties, choose Java
How to view. January 19, 2012 update
Visit BlackBerry official web, the top left corner of the menu bar open smartphones, select one of the Torch/bold/curve in the drop-down list, such as Bold, and then further select 9900/9930/9780/9650/9700 to see its detailed parameters.
http://us.blackberry.com/smartphones/
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