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共 (1) 个答案

  1. # 1 楼答案

    你肯定应该使用BlackBerry OS 6中引入的DeviceCapability类来确定键盘是否可用

    "DeviceCapability Provides a way to query the host device's capabilities. You can use this class to determine capability in three ways: to find out if a feature is supported, allowed, or available."