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
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
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
On July 6, July 6, RIM held a developer conference at Millennium Hotel Beijing. About 300 or 400 people attended the event, some of which were from other cities and seemed to have arrived from abroad.
At the meeting, RIM listed three concepts of Blackberry 10: flow, connect, and extend. These concepts are also presented in several videos played. What impressed me was its brand-new timeline camera model. This highlight was described in the most popular
About emergency CILS and emergency callback Mode
If you are outside of a wireless coverage area and the SOS wireless coverage indicator appears at the top of the screen, you can call only emergency numbers. your BlackBerry device is designed to allow emergency CILS even when your device is locked. depending on your device model and the wireless network that your device is connected to, your device is also designed to allow emergency CILS when the SIM
text message to your mobile phone to notify you that you have activated the hichina business. Don't be nervous. Actually, the fee is not actually deducted. I will introduce it below.
2. After a while, a text message is deducted from the GPRS package for 10 yuan. (If you already have other GPRS packages on your mobile phone, fees will be deducted next month and will take effect)
2. Then, send the text message "0000" to 10086. Check the service in use. You can see it. There is a kaleidoscope in i
Working on BlackBerry applications
ProgramDuring development, you sometimes need to serialize or store an object or a pojo object. At this time, many APIs on j2sdk cannot be directly used because they are developed on j21, for example, Java. io. serializable interface. In many cases, when we use persistentobject and persistentstore to persistent data, we want to persistent a Java object directly. For example, this is the simplest user object, at this
When you upgrade your phone ROM (Device Software) using the BlackBerry Desktop Manager, BDM automatically backs up the software on your phone.
The backup directory is
C:/docume~1/
Inside is the cod file of the third party application you installed later.
Where,
Two methods of backup:
1. Upgrade Mobile ROM (Device Software)
2.Switch device is said to be possible, never tried.
enjoy!
1) Download git client for Windows
Http://git-scm.com/download
Http://code.google.com/p/msysgit/downloads/list
Version Portable application for official Git 1.7.6
FileName portablegit-1.7.6-preview20110709.7z
2 decompression, execute command git-cmd.bat, this will appear a new command line window3 Execute the command in the new command line window
git clone git://git.linphone.org/linphone-blackberry.git--recursive
Reference: Clone linphone sources with Git
Http://www.linphone.org/eng/down
Loudtalks is a free push-to-talk software that works on BlackBerry phones and uses the Wi-fi,cdma,edge network to transmit voice across different mobile phones.
Unlike other real-time and direct communication software, this program does not store any of your information, and it also supports Windows PC-side calls to your phone.
9850 How to do the above:
1) After joining the contact person, touch the screen on the long press the user 3 seconds,
API Description: http://open.t.sohu.com/
Development support: Openapi@sohu-inc.com
Below is an example program that is debugged on a laptop.
If you want to make a BlackBerry version, the code might be a little more complicated. But the same principle, is to go to the HTTP protocol post Weibo data to Sohu.
Dependency Class Library: Commons-codec-1.3.jar,commons-httpclient-3.0.1.jar,commons-logging-1.1.jar
public class Sohublogger {
HttpClient clien
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