一个alloc,retainCount == 2 [英] one alloc, retainCount == 2
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问题描述
我有以下代码:
NSLog(@"%d", [chart retainCount]);
self.chart = [[BNPieChart alloc] initWithFrame:self.view.frame];
NSLog(@"%d", [chart retainCount]);
终端显示:
[Session started at 2011-03-28 11:09:46 +0200.]
2011-03-28 11:09:51.008 Finance[35111:207] 0
2011-03-28 11:09:51.010 Finance[35111:207] 2
As我知道,retainCount应该等于1,而不是2。
As I know, retainCount should be equal to 1, not 2.
推荐答案
你的图表属性定义为保留或复制,所以:< br>
You chart property defined as retain or copy, so:
self.chart = [[BNPieChart alloc] initWithFrame:self.view.frame];
+1保留在alloc( [BNPieChart alloc]
)
+1保留作业( self.chart =
)
+1 retain at alloc ([BNPieChart alloc]
)
+1 retain at assignment (self.chart =
)
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