<br />private boolean checkPermissions() { ApplicationPermissionsManager apm = ApplicationPermissionsManager .getInstance(); ApplicationPermissions original = apm.getApplicationPermissions(); // Set up and attach a reason provider if (

1、主要针对企业用户的智能手机。2、Push mail技术为黑莓手机的核心技术。3、除此之外，黑莓手机还在实时通信、语音、以及内网应用上有着较大的优势，对多语言多框架能够良好集成4、Push mail技术能够提高效率达到7~10倍。5、内容加密，256位加密，比网银高出一倍，支持企业自主加密。6、安全机制：远程手机策略管理、远程信息擦出，客户端密码保护。7、实际应用：mail及用户信息管理，文件确认、批复，票据生成，蓝牙签字笔，无限扫描仪，投影仪，打印机，sametime通信软件，世博导航系统。8、2010

<br /> boolean sdCardPresent = false; String root = null; Enumeration e = FileSystemRegistry.listRoots(); while (e.hasMoreElements()) { root = (String)e.nextElement(); if(root.equalsIgnoreCase("

<br />The System.getProperty(String) method supports the following system properties: <br /> <br />CLDC/MIDP/JTWI microedition.encoding microedition.configuration microedition.profiles microedition.platform microedition.locale microedition.jtwi.version use

All the font code, added to UiFunMainScreen’s constructor, looks like this: public UiFunMainScreen() { try { FontFamily alphaSansFamily = FontFamily.forName("BBAlpha Serif"); Font appFont = alphaSansFamily.getFont(Font.PLAIN, 9, Ui.UNITS_pt); setFont(

<br />public void close() { UiApplication.getUiApplication().requestBackground(); }<br />通过以上方式，重写close，将使用后台运行代替系统关闭。<br /> <br />public void deactivate() { mainScreen.appendLabelText("Went to background"); } public void activate() { mainScreen.appe

<br />当创建一个buttonfield时，需要制定ButtonField.CONSUME_CLICK属性，否则，则不会响应click，而是在当前位置开发一个menu

<br />设置Manager的高度及背景图片，思路：重写Manager里面的sublayout方法，加上setExtent(width, h); 重写paintBackground方法设置背景图片。代码如下,调用的时候传入参数就可以了.../** * @author Stephen_daoying */ import net.rim.device.api.system.Bitmap; import net.rim.device.api.system.Display;

<br />PersistentObject persistentObject; static final long KEY = 0x9df9f961bc6d6baL; public PersistenceScreen() { editField = new EditField("Persistent Data:", ""); add(editField); persistentObject = PersistentStore.getPersistentObject(KEY);