iOS开发之状态栏UIStatusBar图标操作

状态栏UIStatusBar图标操作,遍历foregroundView子view即可

NSArray *subIcons = [[[[UIApplication sharedApplication] valueForKeyPath:@"statusBar"] valueForKeyPath:@"foregroundView"] subviews];

Printing description of subIcons:
<__NSArrayM 0x7ff61141b640>(
<UIStatusBarServiceItemView: 0x7ff61171ad10; frame = (6 0; 39 20); autoresize = RM+BM; userInteractionEnabled = NO; layer = <CALayer: 0x7ff611712480>> [Item = <UIStatusBarItem: 0x7ff61170fa90> [UIStatusBarServiceItemView (Left)]],
<UIStatusBarDataNetworkItemView: 0x7ff61141b010; frame = (50 0; 13 20); autoresize = RM+BM; userInteractionEnabled = NO; layer = <CALayer: 0x7ff611419c60>> [Item = <UIStatusBarItem: 0x7ff611419670> [UIStatusBarDataNetworkItemView (Left)]],
<UIStatusBarBatteryItemView: 0x7ff61141bad0; frame = (384 0; 25 20); autoresize = LM+BM; userInteractionEnabled = NO; layer = <CALayer: 0x7ff61141a720>> [Item = <UIStatusBarItem: 0x7ff61141a880> [UIStatusBarBatteryItemView (Right)]],
<UIStatusBarTimeItemView: 0x7ff6114212c0; frame = (185 0; 49 20); userInteractionEnabled = NO; layer = <CALayer: 0x7ff6114216c0>> [Item = <UIStatusBarItem: 0x7ff611702c90> [UIStatusBarTimeItemView (Center)]]
)

 for (id icon in subIcons) {
       /......
}

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