For any development, a helloworld introduction is essential. For mobile application development, j2's is also a widely accepted platform technology. First, we use helloworld developed by j2on Blackberry as an example, to start our Blackberry Application Development journey
The first BlackBerry Application of The j2-midlet developer
1. Download and install eclipse
Blackberry Internet access has always been a big problem in mainland China. Many of my friends have asked me this question. I will describe it in detail here today.
Problem:
Blackberry cannot access the Internet, or I can access the Internet on machine A, but not on machine B?
Analysis
To solve this problem, we must understand the principle of Blackberry surfing
Core issue: how to compile a third-party class library jar package into a blackberry class library cod file that can be installed.Note: In some cases, there are no third-party class library source code and only jar packages. You do not need to decompile the class files.The most important step to solve the problem: Use the BB-ant-tools ant script tool to compile a third-party class library jar package into a blackb
The last time, first download the SDK, BlackBerry NDK, http://developer.blackberry.com/
After NDK is installed, it is actually an eclipse and Its sdk is replaced.
If you are not familiar with the command, check the command of phonegap first.
Second, directly go to the cmd command to perform
phonegap local build blackberry
The Platform of blackberry 10 is
For security and exit control, RIM must track the usage of some sensitive BlackBerry Application programming interfaces (APIS. The sensitive category or method is indicated by the "Lock" icon or "Signed" in the API reference document. If you use these controlled classes in the application. your application must use a signature tool (provided by RIM) to sign the cod file before it is loaded to the BlackBerry
According to foreign media reports, RIM's joint chief executive Jim Balsillie recently launched the BlackBerry Tag service at the GITEX conference in Dubai. With this service, users can share their contact information, files, and multimedia content by touching their mobile phones. RIM revealed that the BlackBerry Tag service will be integrated into BlackBerry 7 s
The implementation of the Java Virtual machine on the BlackBerry handset is different from the standard J2SE virtual machine, or the hardware of the BlackBerry handset has its features, it is necessary to understand the characteristics of the BB JVM when developing Java programs for the BlackBerry. Learn how to develop efficent, provincial memory code for it.
Di
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
Although blackberry has not yet launched passport, it has an elegant appearance and a classic full-keyboard because of its temperament. I think a lot of people can do it. Today, crackberry posted the passport spec sheet. Let's talk about it on paper.
CPU: Qualcomm Yunlong 800, 330,450 GHz quad-core CPU (MSM8974-AA), Adreno MHz GPU.
Rating: This CPU is very common in the Android world and will soon be replaced by 801 and 805, but it is the best in hist
BlackBerry OS 4.2, or BlackBerry 4.2, is regarded as the most well-developed smartphone operating system in the early days. RIM's iconic directmail technology is perfect for BlackBerry 4.2.
Full Name:
RIM BlackBerry OS 4.2
Short Name:
BB 4.2
Developer:
RIM
Re
The popular BlackBerry fans and the tablet PlayBook favored by RIM have recently encountered a "deep dive" dilemma: the launch soon announced the recall of thousands of hosts, because users had trouble working on the screen while loading protocols, this step is a required program for user registration and cannot be completed, which means that the PlayBook in hand is useless. At present, RIM is stepping up its replacement of these devices, hoping to re
This article focuses on how to use Eclipse to develop BlackBerry applications, including the establishment of the basic development environment and the running of HelloWorld, test the HTTP application in the simulator and E-mail application in the simulator. I hope this article will help you gain some benefits.
Use Eclipse to develop Black Berry applications
Basic Development Environment Construction:
If you want to develop a Java application for
A question that customers often ask
The Outlook mailbox adds a filter (filter), which automatically transfers the message (deliver) to the subdirectory below, and how the BlackBerry can see the messages in the directory.
Kb:how to configure folder Redirection to receive email messages delivered to folders other than the Inbox
1. Enter the desktop Enterprise mailbox, click the BlackBerry Menu key, sel
1) View the administrator's manual, such as administration Guide-blackberry Enterprise Server for IBM Lotus DominoView ChaptersControlling BlackBerry device behavior using IT policiesCreate an IT policy based in an existing IT policyAssign an IT policy to a user account
2) Please refer to the manual policy Reference guide-blackberry Enterprise Server for the I
Open source has revolutionized the software development marketplace, and new sources of information are emerging that are strongly impacting traditional news channels in this way. Today we can get free messages from a variety of internet resources and mainstream internet media. We can get a message by reading a different Web site, but this is tedious. So, how about updating the interesting news at any time? Isn't it very important to receive your favorite messages in a centralized way? On the
Whether you areBlackBerryThe mobile phone is another mobile phone. The most important thing to you is data. As we often say, It is not terrible to lose a mobile phone. It is very troublesome to lose a contact in it. Let's learn some basics. English translation by berrytimes. The source address is here. This information is often seen especially when you perform backup and recovery. After learning about it, you can get a general idea of what data is in your mobile phone for each item in backup and
If you want your application to run in the background, you can set it to run automatically in the START (StartUp. When a BlackBerry wireless handhelds device is turned on or loaded with its own software, the start of the BlackBerry wireless handhelds device (StartUp) appears. Background thread control applications are very effective because programmers can use them to play the role of listening threads (for
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