Data cannot be added to the IOS array.

I wonder if you have encountered this situation. I declare a variable array, but I cannot add data to this array. Maybe it's because I'm a newbie.

To use a variable array, follow these steps:

1. Add in Declaration:

@ Property(Nonatomic,Retain)Nsmutablearray* Datasource;

2. synthesis:

 

@ SynthesizeDatasource = _ datasource;

3. Use:

 

[Self.DatasourceAddobject: DIC];

After debugging, you will find that you cannot add objects to the variable array.

Finally, I asked someone else, because I didn't initialize the array. I should add the following as necessary.Code:

 

Self.Datasource= [NsmutablearrayArraywithcapacity:0];

Record the problem and do not make this mistake in the future.