android studio ERROR: Unable to open PNG file，androidunable

android studio ERROR: Unable to open PNG file，androidunable
android studio 運行 報錯 ERROR: Unable to open PNG file；Error Code: 42

最近在用android stuidio 用的是gradle 構建的工程，啟動並執行時候報錯Error Code 42 ; ERROR: Unable to open PNG file ：

查閱相關資料，路徑過長或者路徑名稱中有中文或者空格導致的

知道原因了，檔案頭就可以解決了；如果要查看詳細的錯誤資訊，可以看下面的

Error:Execution failed for task ':samples:mergeDebugResources'.> Error: Failed to run command:    D:\Program\android2\adt-bundle-windows-x86_64-20140702\sdk\build-tools\21.1.2\aapt.exe s -i D:\android\study_work\shanxing menu\xcb-shanxing menu\CircularFloatingActionMenu-master\CircularFloatingActionMenu-master\samples\build\intermediates\exploded-aar\com.android.support\appcompat-v7\21.0.0\res\drawable-ldrtl-xxhdpi\abc_ic_ab_back_mtrl_am_alpha.png -o D:\android\study_work\shanxing menu\xcb-shanxing menu\CircularFloatingActionMenu-master\CircularFloatingActionMenu-master\samples\build\intermediates\res\debug\drawable-ldrtl-xxhdpi-v17\abc_ic_ab_back_mtrl_am_alpha.pngError Code:    42Output:    D:\android\study_work\shanxing menu\xcb-shanxing menu\CircularFloatingActionMenu-master\CircularFloatingActionMenu-master\samples\build\intermediates\exploded-aar\com.android.support\appcompat-v7\21.0.0\res\drawable-ldrtl-xxhdpi\abc_ic_ab_back_mtrl_am_alpha.png ERROR: Unable to open PNG file