视图生命周期
先執行viewDidLoad()
1 -(void) viewWillAppear:(BOOL)animated 2 { 3 NSLog(@"視圖即將出現"); 4 } 5 -(void) viewDidAppear:(BOOL)animated 6 { 7 NSLog(@"視圖已經出現"); 8 } 9 -(void) viewWillDisappear:(BOOL)animated 10 { 11 NSLog(@"視圖即將消失"); 12 } 13 -(void) viewDidDisAppear:(BOOL)animated 14 { 15 NSLog(@"視圖已經消失"); 16 }
1 -(void) viewWillAppear:(BOOL)animated 2 { 3 NSLog(@"視圖即將出現"); 4 } 5 -(void) viewDidAppear:(BOOL)animated 6 { 7 NSLog(@"視圖已經出現"); 8 } 9 -(void) viewWillDisappear:(BOOL)animated 10 { 11 NSLog(@"視圖即將消失"); 12 } 13 -(void) viewDidDisAppear:(BOOL)animated 14 { 15 NSLog(@"視圖已經消失"); 16 }
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轉載于:https://www.cnblogs.com/vector11248/p/7670196.html
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