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                        /Android攻城狮的第一门课（入门篇）

装adt时出错

安装adt时

Cannot complete the install because of a conflicting dependency.

Software being installed: Android Development Tools 21.0.1.v201212060256-543035 (com.android.ide.eclipse.adt.feature.group 21.0.1.v201212060256-543035)

该怎么解决？求解~~~