blackberry

问题 Does anyone know of an Image Map-like Blackberry Control that I can use in my CLDC application? If there isn't one, is there a way to get click x,y coordinates on a MainScreen or BitmapField derived control? Thanks, 回答1: I assume you're thinking of this control for the Storm - the only device for which clicking on an arbitrary point on screen makes sense. In that case, the easiest way is probably to subclass BitmapField to be focusable and respond to clicks - something like this: public class

问题 I want to merge two images in blackberry. one image is a big image and other image is a small one. position of small image will be define by developer. what are the possible ways? 回答1: You can use the Graphics class to draw multiple Bitmaps onto it in different offsets. Look into the Graphic.drawBitmap function. We use something like: graphics.drawBitmap(x1, y1, icon.getWidth(), icon.getHeight(), icon, 0, 0); Where the graphics object is the one passed by the paint method we override and icon

问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 7 years ago . I am new to Blackberry development and having problems getting started. Could anyone guide me to relevant resources like tutorials and

问题 i am facing a problem while making an application of Blackberry that i have upto 7 threds call, of which each downloads an audio from the Server and it works fine but when i start my application twice then an uncaught exception has been occurred that "TOO MANY THREADS ERROR EXCEPTION", So, let me know that how i can solve this problem. 回答1: i think instead of starting 7 threads use single thread. 1. create a TaskWorker class public class TaskWorker implements Runnable { private boolean quit =

问题 I am developing an application for 8900 + 9000 Blackberry. In my application I need to check if the battery is connected to a charger, specifically an in-car charger. I used the following to check if the battery is charging: if (DeviceInfo.getBatteryStatus() & DeviceInfo.BSTAT_CHARGING) != 0){} This works fine but if the battery is fully charged then this is false. So I tried checking BSTAT_IS_USING_EXTERNAL_POWER and BSTAT_AC_CONTACTS to see if either of them come as true but they are both

问题 How do I Generate AES key with seed value so that whenever I generate key with same seed value,I shud be able to get the same AES key? I want to generate this key for my Blackberry Pearl 8100 device. I am not able to generate AES key with AESKey(keyData) . Also whenever I print it either in the form of String or byte[] , I am not able to generate it.(print it) Actual key is never printed. What can be done to get the key? Update I tried generating AESKey by passing byte[] of my data,as follws:

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 3 years ago . Does anyone have any experience with analytics software/services for the mobile app stores? I am currently developing only for iOS so that's what I'm mainly interested in, however I would like to know if there are some analytics that aggregate data across several app stores in case I make some say Android apps.

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 3 years ago . Does anyone have any experience with analytics software/services for the mobile app stores? I am currently developing only for iOS so that's what I'm mainly interested in, however I would like to know if there are some analytics that aggregate data across several app stores in case I make some say Android apps.

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 3 years ago . Does anyone have any experience with analytics software/services for the mobile app stores? I am currently developing only for iOS so that's what I'm mainly interested in, however I would like to know if there are some analytics that aggregate data across several app stores in case I make some say Android apps.

问题 I want to grey out some menu items, so thay will be visible but disabled. How to do this in blackberry? 回答1: The paradigm for the BlackBerry menu is to remove inactive menu items, not grey them out. So, there is no functionality that allows greying out. 来源： https://stackoverflow.com/questions/2175456/blackberry-how-to-grey-out-menu-items