Jerry's watch deletes the existing dial file [chapter]

//WatchManager yes WatchOpImpl Subclasses of , Must be in 1.3 Good configuration sdkWatchManagerwatchManager=WatchManager.getInstance();//watchPath: Dial file path of the device //OnFatFileProgressListener： Progress listener watchManager.deleteWatchFile(watchPath,newOnFatFileProgressListener(){@OverridepublicvoidonStart(StringfilePath){// Callback begins }@OverridepublicvoidonProgress(floatprogress){// Callback progress }@OverridepublicvoidonStop(intresult){// Callback end //result:0— Success is not 0 It's the error code , Reference resources FatFsErrCode}});