All Questions
16
questions
-1
votes
1
answer
399
views
Get Property within an Object within a Dictionary - Objective C
I need to access a property within a dictionary and I am having a difficult time doing so.
Dictionary:
{
Id = "123";
Animal = {
Id = "456";
Type = "Dog";
Sound = "Bark";
}
}
...
- 1,407
0
votes
1
answer
339
views
access object properties from a multidimensional array in objective-c
I am new to Objective-C programming and I am trying to access object properties from a 2 dimensional array.
First I created two arrays, each of those arrays contains objects, then I made a 2 ...
- 1
2
votes
2
answers
345
views
Storage of Objective C property variables and non property variables
Can anyone please clarify me that where exactly the variables stored in objective c ?
In .h file
@interface example: NSObject
{
NString *string; // where is this stored
int number; ...
- 1,424
1
vote
1
answer
93
views
Cocos2d Accessing CGRect properties of objects in NSMutableArray
I have a bunch of buildings declared in their own classes.. I add instances of these buildings to my game layer and also to NSMutableArray allBuildings.. All these buildings have a bunch of CGRect ...
- 11
2
votes
3
answers
136
views
Difference between var->myProperty and var.myProperty
I am new in objective c and I have some doubts. I've seen that you can access to the properties of a class like var->myProperty and like that too variable.myProperty, but I do not know what the ...
- 1,541
3
votes
2
answers
6k
views
Properties of objects on array (Objective-c)
I have a NSObject class which's name is test.
class test has 3 property. Name, age, id;
I have 3 Objects in test class. s, b, c.
I am putting all of the objects to the array with: NSArray *ary = [...
- 43
0
votes
1
answer
123
views
Attributes: @property for Java
Is there an @property attribute in Java like there is in Objective-C?
If there were, could I name the object, then access it's properties through objectName.propertyName?
Thanks.
- 6,500
0
votes
2
answers
409
views
Set one objects properties to match another
Lets say I have one object, maybe a UIImageView...
it is .hidden = NO;
the alpha is .alpha = 0.425;
the background color is [UIColor blackColor];
Is there anyway that if I have another ...
- 17.7k
0
votes
1
answer
187
views
Accessing properties of objects in array to display in UITableViewCell
I am using an XML parser to get information from a blog to create a feed reader app. I created an object with properties that are the data for each blog entry (title, published, author...). I'm ...
- 85
1
vote
2
answers
773
views
iOS objective-C: how can I get useful information out of object description?
My question may be naive, I guess, since object description is usually used for debug and output in NSLog. I also have to admit that my approach of attempting use object.description may be wrong. ...
- 3,051
5
votes
1
answer
917
views
Properties vs. Instance Variables
I am confused as to why some classes declare a property but do not declare an ivar and vice versa.
Is it standard practice when declaring an instance variable to also declare it as a property as ...
- 2,265
0
votes
1
answer
140
views
Changing Value of Objects property doesn't work for object created using NSKeyedUnarchiver
I am trying to Change the value of an Object's property (Unarchived from .plist) and it doesn't seem to work... I Am trying to figure out whats wrong for a while now and I would really appreciate any ...
- 2,088
18
votes
3
answers
10k
views
What is the correct way to declare a readonly property for ios using ARC
I am new to iOS development in general and have never dealt with manual reference counting (retain, release, autorelease). As such I don't have a good understanding of what magic ARC is performing.
I ...
- 5,075
0
votes
1
answer
54
views
How do I batch assign values to a property of objects returned by the fetched results controller?
Ok so I have a bunch of objects that exist in my database, they have all fields completed except for two... as the value could not be determined at the time that the objects were created.
Now I want ...
- 252
7
votes
3
answers
6k
views
How to use properties in Objective-C?
When should I use the nonatomic, retain, readonly and readwrite properties in Objective-C?
For example:
@property(nonatomic, retain) NSObject *myObject;
If I use nonatomic and retain, does this ...
- 1,359