keyWindow

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NSLog(@"====%@", [UIApplicationsharedApplication].windows);

NSLog(@"====%@", [[UIApplicationsharedApplication].windowsfirstObject]);

NSLog(@"====%@", [[UIApplicationsharedApplication].windowslastObject]);

NSLog(@"====%@", [UIApplicationsharedApplication].keyWindow);

<UIWindow: 0x7fb7084b2b20; frame = (0 0; 375 667); gestureRecognizers = <NSArray: 0x7fb7084b4540>; layer = <UIWindowLayer: 0x7fb7084b2ad0>>,

<UITextEffectsWindow: 0x7fb70a866d60; frame = (0 0; 375 667); opaque = NO; autoresize = W+H; layer = <UIWindowLayer: 0x7fb70a867490>>,

)

2016-04-03 12:53:21.385 ZhenHuiWan[12199:428033] ====<UIWindow: 0x7fb7084b2b20; frame = (0 0; 375 667); gestureRecognizers = <NSArray: 0x7fb7084b4540>; layer = <UIWindowLayer: 0x7fb7084b2ad0>>

2016-04-03 12:53:21.385 ZhenHuiWan[12199:428033] ====<UITextEffectsWindow: 0x7fb70a866d60; frame = (0 0; 375 667); opaque = NO; autoresize = W+H; layer = <UIWindowLayer: 0x7fb70a867490>>

2016-04-03 12:53:21.385 ZhenHuiWan[12199:428033] ====<UIWindow: 0x7fb7084b2b20; frame = (0 0; 375 667); gestureRecognizers = <NSArray: 0x7fb7084b4540>; layer = <UIWindowLayer: 0x7fb7084b2ad0>>

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