objective c - iPhone window add subview crashing problem -

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मेरे पास कोड है [window addSubview: [self.mvcontroller view]]; जहां mvcontroller है एक दृश्य नियंत्रक और जब भी मैं प्रोग्राम (डिवाइस और सिम्युलेटर) चलाता हूं, तो यह क्रैश होता है।

क्या आप कृपया पोस्ट कर सकते हैं पूरे कोड जहां यह कोड बुलाया जा रहा है, साथ ही साथ त्रुटि संदेश भी।

मेरे लिए सबसे पहले सोचा गया है कि mvcontroller को आरम्भ किया गया है? यदि आप कोशिश करते हैं और शून्य को एक सबव्यू के रूप में जोड़ते हैं तो यह ऐप क्रैश हो जाएगा, जो कि यदि आप पहले दृश्य नियंत्रक को आरम्भ नहीं किए हैं तो ऐसा होगा।


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