initWithDictionary:
Initializes a newly allocated dictionary by placing in it the keys and values contained in another given dictionary.
- (id)initWithDictionary:(NSDictionary *)otherDictionary
Parameters
- otherDictionary
- A dictionary containing the keys and values with which to initialize the new dictionary.
Return Value of [NSDictionary initWithDictionary]
An initialized dictionary—which might be different than the original receiver—containing the keys and values found in otherDictionary.
Example of [NSDictionary initWithDictionary]
//anArray is a Array of Dictionary with 5 objs.
//here we init with the first
NSMutableDictionary *anMutableDict = [[NSMutableDictionary alloc] initWithDictionary:[anArray objectAtIndex:0]];
... use of anMutableDict ...
//then want to clear the MutableDict and assign the other dicts that was in the array of dicts
for (int i=1;i<5;i++) {
[anMutableDict removeAllObjects];
[anMutableDict addEntriesFromDictionary:[anArray objectAtIndex:i]];
}
Example of [NSDictionary initWithDictionary]
NSMutableString *foo = [NSMutableString stringWithString:@"a mutable object"];
NSMutableDictionary *dictionary1, *dictionary2;
dictionary1 = [NSMutableDictionary dictionaryWithObject:foo forKey:@"foo"];
dictionary2 = [[NSMutableDictionary alloc] initWithDictionary:dictionary1
copyItems: YES];
[[dictionary1 objectForKey:@"foo"] appendString:@", mutated"];
[[dictionary2 objectForKey:@"foo"] appendString:@", mutated"];
Example of [NSDictionary initWithDictionary]
for(id tumblelogDictionary in tumblelogs){
if ([tumblelogDictionary isKindOfClass:[NSDictionary class]]) {
Tumblelog *tumblelog = [[Tumblelog alloc] initWithDictionary:tumblelogDictionary]; //line 589
[userTumblelogs addObject:tumblelog];
[tumblelog release];
} else {
// Appropriate error handling and / or logging.
}
}