我重新启动了Android Studio，现在没有任何效果，到处都有错误 它说：
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:207: error: Attribute "homeLayout" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:209: error: Attribute "progressBarStyle" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:211: error: Attribute "indeterminateProgressStyle" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:213: error: Attribute "progressBarPadding" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:216: error: Attribute "itemPadding" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:243: error: Attribute "paddingStart" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:245: error: Attribute "paddingEnd" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:260: error: Attribute "actionModeStyle" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:261: error: Attribute "actionModeCloseButtonStyle" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:263: error: Attribute "actionModeBackground" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:265: error: Attribute "actionModeSplitBackground" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:267: error: Attribute "actionModeCloseDrawable" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:270: error: Attribute "actionModeCutDrawable" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:272: error: Attribute "actionModeCopyDrawable" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:274: error: Attribute "actionModePasteDrawable" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:276: error: Attribute "actionModeSelectAllDrawable" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:278: error: Attribute "actionModeShareDrawable" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:280: error: Attribute "actionModeFindDrawable" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:282: error: Attribute "actionModeWebSearchDrawable" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:285: error: Attribute "actionModePopupWindowStyle" has already been defined
[2014-07-31 23:46:15 - kieranmaps] C:\Users\gabby\workspace\appcompat_v7\res\values\attrs.xml:290: error: Attribute "actionDropDownStyle" has already been defined
但是当我关闭所有项目然后重新打开它们以尝试修复它但我实际上让它变得更糟时，我又重新导入了appcombactv7_2和google play服务。 现在我不知道该怎么做的所有错误。任何帮助将不胜感激