目录背景方案1：fishhook 替换掉 os_unfair_lock_lock方案2: _schedulables 删除 _socket#8 未解析符号: ___lldb_unnamed_symbol8050#3 未解析符号: ___lldb_unnamed_symbol8533逻辑分析方案3：_CFRelease总结背景
I have these 2 methods in the View class. the drawRect method always gets called when the view is initalized. But i can\'t get the drawLine method to work. It doesn\'t do anything when it gets called.
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