UI Automator viewer ：Error obtaining UI hierarchy Reason： requires a device with API Level 16

打开UI Automator viewer的Device Screenshot 时，遇到报错Error obtaining UI hierarchy Reason：UI Automator requires a device with API Level 16，报错如图： 解决办法，打开SDK Manager，下载更高版本API,新建一个Android virtual device，上面的报错就没

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