orbitaloop

 //Valid Storage path :
    NSString* library = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES)objectAtIndex:0];
    NSString *WebSQLSubdir = (IsAtLeastiOSVersion(@"5.1")) ? @"Caches" : @"WebKit/Databases";
    NSString *WebSQLPath = [library stringByAppendingPathComponent:WebSQLSubdir];
    NSString *WebSQLDb = [WebSQLPath stringByAppendingPathComponent:@"file__0"];
    NSString *WebSQLDbFile = [WebSQLDb stringByAppendingPathComponent:@"0000000000000001.db"];
    
    NSError *attributesError = nil;
    NSFileManager* fileManager = [NSFileManager defaultManager];
    NSDictionary *fileAttributes = [fileManager attributesOfItemAtPath:WebSQLDbFile error:&attributesError];

orbitaloop

/* to use WebSQL or the SQLite plugin (https://github.com/davibe/Phonegap-SQLitePlugin) with the same function) */
executeSqlBridge: function(tx, sql, params, dataHandler, errorHandler) {
		var self = this;
		if (typeof self.db.dbPath !== 'undefined') {
			//Native SQLite DB with phonegap : https://github.com/davibe/Phonegap-SQLitePlugin/
			//this is a native DB, the method signature is different:

			var sqlAndParams = [sql].concat(params);

			var cb = function(res) {

orbitaloop

/* 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];