千丝海阁

[转]How to – Create a custom layout manager for a screen

tiandi 2011-04-14 3826 0 5.0

Procedure You can create your own custom layout manager by extending the net.rim.device.api.ui.Manager class and customizing it to fit your needs. Custom layout managers enable you to customize the placement of fields on the screen and customize navi...

layout 自定义黑莓开发

黑莓开发

自定义Field,paint background后光标消失的另类解决方法

tiandi 2011-01-26 5471 0 5.0

估计Field下应该有draw cursor的方法，不过此处采取另一种更为简单的方法。将需要paint background的Field设置在manager下，在manager下做paint background，这样也能达到预期效果。 VerticalFieldManager v2 = ...

技巧黑莓开发

黑莓开发

自定义RichTextField的drawText方法如何根据文字大小换行

tiandi 2011-01-21 4404 0 5.0

可能标题很模糊，唉，我也说不清怎么表达。如果光是继承RichTextField，直接setText(str)就可以达到自动换行的效果。但是我这里要用到drawText的方法，因为我需要我的文字显示在指定的x,y点上...

技巧黑莓开发

黑莓开发

去除黑莓默认的菜单full menu

tiandi 2011-01-17 3494 0 5.0

当你在屏幕内按下轨迹球的时候，默认会调用黑莓默认的菜单，用以下代码除去这个默认菜单。 protected boolean navigationClick(int status, int time) { return true; } 文章评...

menu 黑莓开发

黑莓开发

[转]j2me如何上传文件

tiandi 2011-01-11 3432 0 5.0

在nokia的论坛里看到，感觉很详细，在此分享。 Here is a J2ME class to handle file uploads via HTTP POST Multipart Requests. Source Code: HttpMultipartRequest class <span style="color: #000000; font-weight: bold;">imp...

j2me

Java

[转]Implement basic HTTP authentication

tiandi 2010-12-21 3508 0 5.0

Description An application may need to connect to a resource that is protected using basic HTTP authentication. The following code sample illustrates how to authenticate using basic HTTP authentication from within a BlackBerry smartphone application....

basic HTTP