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@orbitaloop
Created March 10, 2012 00:50
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Fix to copy the WebSQL DB to the document Folder (because iOS5.1 use now the Library/Caches folder and doesn't do the migration)
/* Based on the code of ScottP and Gaurav Tomar ( http://gauravstomar.blogspot.com/2011/08/prepopulate-sqlite-in-phonegap.html */
/* Put that code in AppDelegate.m */
- (void)webViewDidStartLoad:(UIWebView *)theWebView
{
NSString *databaseName = @"0000000000000001.db";
//Get Documents path
NSArray *paths =
NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *databaseFile = [documentsDirectory stringByAppendingPathComponent:databaseName];
NSFileManager *fileManager = [NSFileManager defaultManager];
// If the database in Documents folder already exists
if([fileManager fileExistsAtPath:databaseFile])
{
[fileManager release];
return [ super webViewDidStartLoad:theWebView ];
}
//Get Library path
NSArray *libraryPaths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
NSString *libraryDir = [libraryPaths objectAtIndex:0];
//Get <iOS5.1 webkit db path and size
NSString *olddatabasePath = [libraryDir stringByAppendingPathComponent:@"WebKit/Databases/file__0/"];
NSString *olddatabaseFile = [olddatabasePath stringByAppendingPathComponent:databaseName];
NSError *attributesError = nil;
NSDictionary *fileAttributes = [fileManager attributesOfItemAtPath:olddatabaseFile error:&attributesError];
long long oldDbfileSize = [[fileAttributes objectForKey:NSFileSize] longLongValue];
BOOL oldWebkitDb = [fileManager fileExistsAtPath:olddatabaseFile];
//Get iOS5.1 webkit db path and size
NSString *newdatabasePath = [libraryDir stringByAppendingPathComponent:@"Caches/file__0/"];
NSString *newdatabaseFile = [newdatabasePath stringByAppendingPathComponent:databaseName];
fileAttributes = [fileManager attributesOfItemAtPath:newdatabaseFile error:&attributesError];
long long newDbfileSize = [[fileAttributes objectForKey:NSFileSize] longLongValue];
BOOL newWebkitDb = [fileManager fileExistsAtPath:newdatabaseFile];
//If there is a db file inside WebKit, and that file is bigger than the Caches/dbfile:
if(oldWebkitDb && oldDbfileSize > newDbfileSize)
{
// Need to copy from <App home>Library/Webkit to <app home>/ Documents
// If the old webkit db is there then proceed to copy the database to the users Documents
[fileManager createDirectoryAtPath:newdatabasePath withIntermediateDirectories:YES attributes:nil error:NULL];
// Copy the database from the package to the users filesystem
[fileManager copyItemAtPath:olddatabaseFile
toPath:databaseFile error:nil];
}
else if(newWebkitDb)
{ // Need to copy from <App home>Library/Cache to <app home>/ Documents
// If the new webkit db is there then proceed to copy the database to the users Documents
// Create the database folder structure
[fileManager createDirectoryAtPath:newdatabasePath withIntermediateDirectories:YES attributes:nil error:NULL];
// Copy the database from the package to the users filesystem
[fileManager copyItemAtPath:newdatabaseFile toPath:databaseFile error:nil];
}
// depending on your ARC setting you could uncomment the release
//[fileManager release];
return [ super webViewDidStartLoad:theWebView ];
}
@floodedcodeboy
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Am i correct in saying that Apple doesn't like this and wont approve the application if this method is used?

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