Reputation: 41
i am on final project making GOLyrics apps for ios. my apps can search lyric and favorited it. but i have problems in my add favorite lyric, and i do not know why, im newbie in objective C especially in ios programming. help me please.
here's my add to favorite method:
-(void)insertFav:(Favorite*)favssssdsd{
fileMgrs = [NSFileManager defaultManager];
sqlite3_stmt *stmt=nil;
NSString *sqlQuery=[NSString stringWithFormat:@"INSERT or REPLACE INTO fav (username,title,artist,image,song,lyric) VALUES ('%@','%@','%@','%@','%@','%@');",favssssdsd.username,favssssdsd.lirikTitle,favssssdsd.lirikArtist,favssssdsd.lirikImage,favssssdsd.lirikSong,favssssdsd.lirik];
NSLog(@"query:%@",sqlQuery);
const char *sql =[sqlQuery cStringUsingEncoding:NSUTF8StringEncoding];
//NSLog(@"row:%d",row);
//Open db
NSString *cruddatabase = [self.GetCacheDirectory stringByAppendingPathComponent:@"TB.sqlite"];
sqlite3_open([cruddatabase UTF8String], &db);
sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
@try
{
if(sqlite3_step(stmt)==SQLITE_DONE)
{
NSLog(@"Succes insert fav");
}
else NSLog(@"failed insert fav");
}
@catch (NSException *exception) {
NSLog(@"An exception occured: %@", [exception reason]);
}
sqlite3_reset(stmt);
sqlite3_finalize(stmt);
sqlite3_close(db);
}
the output is :
TestYey[1505:47536] query:INSERT or REPLACE INTO fav (username,title,artist,image,song,lyric) VALUES ('shasapo','Stay','Rihanna','18.jpg','Stay.mp3','the lyrics in here');
TestYey[1505:47536] failed insert fav
Someone help me please :") i dont know why it isn't inserting
Upvotes: 3
Views: 115
Reputation: 2413
You should check which code retuned from sqlite3_step(stmt) in else clause. That will help you to figure out what's wrong.
Second improvement -
I suggest you to use sqlite3_bind_ functions:
SQLITE_API int sqlite3_bind_blob(sqlite3_stmt*, int, const void*, int n, void(*)(void*));
SQLITE_API int sqlite3_bind_double(sqlite3_stmt*, int, double);
SQLITE_API int sqlite3_bind_int(sqlite3_stmt*, int, int);
SQLITE_API int sqlite3_bind_int64(sqlite3_stmt*, int, sqlite3_int64);
SQLITE_API int sqlite3_bind_null(sqlite3_stmt*, int);
SQLITE_API int sqlite3_bind_text(sqlite3_stmt*, int, const char*, int n, void(*)(void*));
SQLITE_API int sqlite3_bind_text16(sqlite3_stmt*, int, const void*, int, void(*)(void*));
SQLITE_API int sqlite3_bind_value(sqlite3_stmt*, int, const sqlite3_value*);
SQLITE_API int sqlite3_bind_zeroblob(sqlite3_stmt*, int, int n);
and check if sqlite3_prepare_v2 returns 'OK' result.
And rewrite your method as
-(void)insertFav:(Favorite*)favssssdsd{
fileMgrs = [NSFileManager defaultManager];
sqlite3_stmt *stmt=nil;
char sql[] ="INSERT or REPLACE INTO fav (username,title,artist,image,song,lyric) VALUES (?,?,?,?,?,?);";
NSString *cruddatabase = [self.GetCacheDirectory stringByAppendingPathComponent:@"TB.sqlite"];
if (sqlite3_open([cruddatabase UTF8String], &db) != SQLITE_OK)
{
NSLog(@"Failed to open database");
return;
}
if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) == SQLITE_OK)
{
int bindRes = 0;
bindRes = sqlite3_bind_text(statement, 1, [favssssdsd.username UTF8String],-1, SQLITE_TRANSIENT);
bindRes = sqlite3_bind_text(statement, 1, [favssssdsd.lirikTitle UTF8String],-1, SQLITE_TRANSIENT);
bindRes = sqlite3_bind_text(statement, 1, [favssssdsd.lirikArtist UTF8String],-1, SQLITE_TRANSIENT);
bindRes = sqlite3_bind_text(statement, 1, [favssssdsd.lirikImage UTF8String],-1, SQLITE_TRANSIENT);
bindRes = sqlite3_bind_text(statement, 1, [favssssdsd.lirikSong UTF8String],-1, SQLITE_TRANSIENT);
bindRes = sqlite3_bind_text(statement, 1, [favssssdsd.lirik UTF8String],-1, SQLITE_TRANSIENT);
if(sqlite3_step(stmt)==SQLITE_DONE)
{
NSLog(@"Succes insert fav");
}
else NSLog(@"failed insert fav");
}
sqlite3_reset(stmt);
sqlite3_finalize(stmt);
sqlite3_close(db);
}
Set up breakpoint on you bindRes and check where is the problem.
NOTE i don't know exactly which type have your properties, so you should rewrite bind functions, if needed. i use bind_text (for NSString binding)
Hope this help
Upvotes: 1