內存泄漏問題。 Instument顯示錯誤在第2行

Question

NSArray *arrAllAttributes = [[NSArray alloc]init]; 
arrAllAttributes = [app mtdAllCountry]; 
[arrAllAttributes retain]; 
for(int i = 0; i<[arrAllAttributes count]; i++) 
{ 
    NSDictionary *dictTemp1 = [[NSDictionary alloc]init]; 

    NSString *strCountryName; 
    NSString *strCountryValue; 

    dictTemp1 = [arrAllAttributes objectAtIndex:i]; 
    strCountryName = [dictTemp1 objectForKey:@"country"]; 
    strCountryValue = [dictTemp1 objectForKey:@"country_ID"]; 
    [dictTemp1 retain]; 
    [arrCountries addObject:strCountryName]; 
    [arrCountryValues addObject:strCountryValue]; 
} 

Answer 1

更改這些行：

NSArray *arrAllAttributes = [[NSArray alloc]init]; 
arrAllAttributes = [app mtdAllCountry]; 
[arrAllAttributes retain]; 

向該：

NSArray *arrAllAttributes = [[app mtdAllCountry] retain];