Execution failed for task ‘:app:prepareSrolkReactNativeFilePickerUnspecifiedLibrary‘.

Could not expand ZIP .....node_modules\react-native-file-picker\android\build\outputs\aar\react-native-file-picker-release.aar

(on windows):

 

cd android 

gradlew clean 

cd ..

react-native run-android

or

 

cd android && gradlew clean && cd .. && react-native run-android

 

引用原文:http://www.cnblogs.com/chiy/p/6514531.html