当我在命令提示符中键入 ant 时出现此错误
C:\Mobility Android\Mobility\eclipse\plugins\org.apache.ant_1.7.1.v20100518-1145
\bin\build.xml:90: Cannot find D:\android-sdk-windows\tools/tools/ant/build.xml
imported from C:\Mobility Android\Mobility\eclipse\plugins\org.apache.ant_1.7.1.
v20100518-1145\bin\build.xml