iPhone X （XS XR XSMAX）如何根據狀態列上的圖示 獲取裝置的聯網狀態（不是單個應用的）
阿新 • • 發佈：2019-01-29
在iPhone X 上通過狀態列獲取聯網狀態使用下面的程式碼直接閃退
- (BOOL)networkingStatesFromStatebar { UIApplication *app = [UIApplication sharedApplication]; NSArray *children = nil; children = [[[app valueForKeyPath:@"statusBar"] valueForKeyPath:@"foregroundView"] subviews]; int type = 0; for (id child in children) { if ([child isKindOfClass:[NSClassFromString(@"UIStatusBarDataNetworkItemView") class]]) { type = [[child valueForKeyPath:@"dataNetworkType"] intValue]; } } if (type == 0) { return NO; }else{ return YES; } }
網上其他的方法
children = [[[app valueForKeyPath:@"statusBar"] valueForKeyPath:@"statusBar"] valueForKeyPath:@"foregroundView"] subviews];
不崩潰，但是不能獲取正確的狀態。
因此列印一下，看看能發現什麼
UIApplication *app = [UIApplication sharedApplication] ; id _statusBar = [app valueForKeyPath:@"_statusBar"];//UIStatusBar_Modern id _statusBar2 = [_statusBar valueForKeyPath:@"_statusBar"];
列印_statusBar2得到
<_UIStatusBar: 0x102e07e40: regions={ bottomLeading = <_UIStatusBarRegion: 0x1d412b220: identifier=bottomLeading, enabled=1, displayItems={( )}>, systemUpdates = <_UIStatusBarRegion: 0x1d012c6c0: identifier=systemUpdates, enabled=1, displayItems={( )}>, expandedTrailing = <_UIStatusBarRegion: 0x1d412b2c0: identifier=expandedTrailing, enabled=0, displayItems={( )}>, leading = <_UIStatusBarRegion: 0x1d012c1c0: identifier=leading, enabled=1, displayItems={( <_UIStatusBarDisplayItem: 0x1d418d8f0: identifier=_UIStatusBarTimeItem.shortTimeDisplayIdentifier, item=<_UIStatusBarTimeItem: 0x1d027ff00: identifier=_UIStatusBarTimeItem>, view=<_UIStatusBarStringView: 0x102e0fd20; frame = (10 3.66667; 33.3333 18); text = '3:42'; userInteractionEnabled = NO; layer = <_UILabelLayer: 0x1d4288430>>>, <_UIStatusBarDisplayItem: 0x1d018d340: identifier=_UIStatusBarIndicatorLocationItem, item=<_UIStatusBarIndicatorLocationItem: 0x1d445a370: identifier=_UIStatusBarIndicatorLocationItem>, view=<_UIStatusBarImageView: 0x102f22530; frame = (46 8.33333; 10.6667 10.6667); opaque = NO; userInteractionEnabled = NO; tintColor = UIExtendedGrayColorSpace 0 1; layer = <CALayer: 0x1d422a720>>> )}>, pill = <_UIStatusBarRegion: 0x1d012c260: identifier=pill, enabled=0, displayItems={( )}>, expandedLeading = <_UIStatusBarRegion: 0x1d412b360: identifier=expandedLeading, enabled=0, displayItems={( )}>, trailing = <_UIStatusBarRegion: 0x1d012c580: identifier=trailing, enabled=1, displayItems={( <_UIStatusBarDisplayItem: 0x1d418e380: identifier=_UIStatusBarCellularItem.signalStrengthDisplayIdentifier, item=<_UIStatusBarCellularItem: 0x1d4670e00: identifier=_UIStatusBarCellularItem>, view=<_UIStatusBarCellularSignalView: 0x102f21580; frame = (0 7.33333; 17 10.6667); userInteractionEnabled = NO; layer = <CALayer: 0x1d003fc20>>>, <_UIStatusBarDisplayItem: 0x1d418ead0: identifier=_UIStatusBarCellularItem.typeDisplayIdentifier, item=<_UIStatusBarCellularItem: 0x1d4670e00: identifier=_UIStatusBarCellularItem>, view=<_UIStatusBarStringView: 0x102f217a0; frame = (21.3333 6; 17 14.3333); text = '4G'; userInteractionEnabled = NO; layer = <_UILabelLayer: 0x1d009ebe0>>>, <_UIStatusBarDisplayItem: 0x1d418e5f0: identifier=_UIStatusBarBatteryItem.iconDisplayIdentifier, item=<_UIStatusBarBatteryItem: 0x1d46759c0: identifier=_UIStatusBarBatteryItem>, view=<_UIBatteryView: 0x102e13c50; frame = (42.3333 7; 24.3333 11.3333); userInteractionEnabled = NO; layer = <CALayer: 0x1d422c7a0>>> )}>, topTrailing = <_UIStatusBarRegion: 0x1d412b180: identifier=topTrailing, enabled=1, displayItems={( )}> }, items={ _UIStatusBarActivityItem_Split = <_UIStatusBarActivityItem_Split: 0x1d466f840: identifier=_UIStatusBarActivityItem_Split>, _UIStatusBarCellularItem = <_UIStatusBarCellularItem: 0x1d4670e00: identifier=_UIStatusBarCellularItem>, _UIStatusBarIndicatorAlarmItem = <_UIStatusBarIndicatorAlarmItem: 0x1d0444320: identifier=_UIStatusBarIndicatorAlarmItem>, _UIStatusBarIndicatorCallForwardingItem = <_UIStatusBarIndicatorCallForwardingItem: 0x1d0444560: identifier=_UIStatusBarIndicatorCallForwardingItem>, _UIStatusBarBackgroundActivityItem = <_UIStatusBarBackgroundActivityItem: 0x1d4670c00: identifier=_UIStatusBarBackgroundActivityItem>, _UIStatusBarBluetoothItem = <_UIStatusBarBluetoothItem: 0x1d027eb00: identifier=_UIStatusBarBluetoothItem>, _UIStatusBarIndicatorRotationLockItem = <_UIStatusBarIndicatorRotationLockItem: 0x1d0444440: identifier=_UIStatusBarIndicatorRotationLockItem>, _UIStatusBarIndicatorQuietModeItem = <_UIStatusBarIndicatorQuietModeItem: 0x1d04445c0: identifier=_UIStatusBarIndicatorQuietModeItem>, _UIStatusBarIndicatorTTYItem = <_UIStatusBarIndicatorTTYItem: 0x1d0442f40: identifier=_UIStatusBarIndicatorTTYItem>, _UIStatusBarCellularExpandedItem = <_UIStatusBarCellularExpandedItem: 0x1d466fc40: identifier=_UIStatusBarCellularExpandedItem>, _UIStatusBarIndicatorLocationItem = <_UIStatusBarIndicatorLocationItem: 0x1d445a370: identifier=_UIStatusBarIndicatorLocationItem>, _UIStatusBarThermalItem = <_UIStatusBarThermalItem: 0x1d0443060: identifier=_UIStatusBarThermalItem>, _UIStatusBarNavigationItem = <_UIStatusBarNavigationItem: 0x1d445d1c0: identifier=_UIStatusBarNavigationItem>, _UIStatusBarIndicatorAirplaneModeItem = <_UIStatusBarIndicatorAirplaneModeItem: 0x1d0443ea0: identifier=_UIStatusBarIndicatorAirplaneModeItem>, _UIStatusBarBatteryItem = <_UIStatusBarBatteryItem: 0x1d46759c0: identifier=_UIStatusBarBatteryItem>, _UIStatusBarWifiItem = <_UIStatusBarWifiItem: 0x1d44588d0: identifier=_UIStatusBarWifiItem>, _UIStatusBarIndicatorVPNItem = <_UIStatusBarIndicatorVPNItem: 0x1d4458c90: identifier=_UIStatusBarIndicatorVPNItem>, _UIStatusBarIndicatorAirPlayItem = <_UIStatusBarIndicatorAirPlayItem: 0x1d445db50: identifier=_UIStatusBarIndicatorAirPlayItem>, _UIStatusBarIndicatorLiquidDetectionItem = <_UIStatusBarIndicatorLiquidDetectionItem: 0x1d4640a80: identifier=_UIStatusBarIndicatorLiquidDetectionItem>, _UIStatusBarTimeItem = <_UIStatusBarTimeItem: 0x1d027ff00: identifier=_UIStatusBarTimeItem> }>
發現了幾個關於蜂窩資料與wifi的item
_UIStatusBarCellularItem
_UIStatusBarWifiItem
然後看看如何獲取這些Items。
通過xcode設定斷點直接檢視，得到items裡面沒有什麼可用資訊，但是在_displayItemStates有
列印_displayItemStates得到
裡面包括狀態列的所有元素,列印一個
_dataEnabled就是資料可用的狀態
下面就是判斷的程式碼，
- (BOOL)networkingStatesFromStatebar {
if(IsIphoneX){
//適配iPhoneX
UIApplication *app = [UIApplication sharedApplication] ;
NSDictionary *_displayItemStates = [[[app valueForKeyPath:@"_statusBar"] valueForKeyPath:@"_statusBar"] valueForKeyPath:@"_displayItemStates"];
//
//wifi
//
id value = _displayItemStates[@"_UIStatusBarWifiItem.signalStrengthDisplayIdentifier"];
NSLog(@"%@",[value class]);//_UIStatusBarDisplayItemState
bool _dataEnabled =[[value valueForKeyPath:@"_dataEnabled"]boolValue];
if (_dataEnabled == YES) {
return YES;
}
//
//移動資料
//
value = _displayItemStates[@"_UIStatusBarCellularItem.typeDisplayIdentifier"];
bool _dataEnabledCell =[[value valueForKeyPath:@"_dataEnabled"]boolValue];
if (_dataEnabledCell == YES) {
return YES;
}
return NO;
}else{
UIApplication *app = [UIApplication sharedApplication];
NSArray *children = nil;
children = [[[app valueForKeyPath:@"statusBar"] valueForKeyPath:@"foregroundView"] subviews];
int type = 0;
for (id child in children) {
if ([child isKindOfClass:[NSClassFromString(@"UIStatusBarDataNetworkItemView") class]]) {
type = [[child valueForKeyPath:@"dataNetworkType"] intValue];
}
}
if (type == 0) {
return NO;
}else{
return YES;
}
}iOS12的狀態列結構有變化需要更改一下（20180818更新）：
- (BOOL)networkingStatesFromStatebar {
if(IsIphoneX){
//適配iPhoneX
UIApplication *app = [UIApplication sharedApplication] ;
NSDictionary *_displayItemStates = [[[app valueForKeyPath:@"_statusBar"] valueForKeyPath:@"_statusBar"] valueForKeyPath:@"_displayItemStates"];
//
//wifi
//
id value = _displayItemStates[@"_UIStatusBarWifiItem.signalStrengthDisplayIdentifier"];
NSLog(@"%@",[value class]);//_UIStatusBarDisplayItemState
bool _dataEnabled =[[value valueForKeyPath:@"_dataEnabled"]boolValue];
if (IOS12_OR_LATER) {
for (id ieentifi in _displayItemStates.allKeys) {
NSString *identifier = [NSString stringWithFormat:@"%@",ieentifi];
if ([identifier isEqualToString:@"_UIStatusBarWifiItem.signalStrengthDisplayIdentifier"]) {
value = _displayItemStates[ieentifi];
_dataEnabled =[[value valueForKeyPath:@"_dataEnabled"]boolValue];
}
}
}
if (_dataEnabled == YES) {
return YES;
}
//
//移動資料
//
value = _displayItemStates[@"_UIStatusBarCellularItem.typeDisplayIdentifier"];
bool _dataEnabledCell =[[value valueForKeyPath:@"_dataEnabled"]boolValue];
if (IOS12_OR_LATER) {
bool _dataEnabledCell111111 = false;
bool _dataEnabledCell222222 = false;
for (id ieentifi in _displayItemStates.allKeys) {
NSString *identifier = [NSString stringWithFormat:@"%@",ieentifi];
//
if ([identifier isEqualToString:@"_UIStatusBarCellularCondensedItem.typeDisplayIdentifier"]) {
value = _displayItemStates[ieentifi];
_dataEnabledCell111111 =[[value valueForKeyPath:@"_dataEnabled"]boolValue];
}
if ([identifier isEqualToString:@"_UIStatusBarSecondaryCellularExpandedItem.typeDisplayIdentifier"]) {
value = _displayItemStates[ieentifi];
_dataEnabledCell222222 =[[value valueForKeyPath:@"_dataEnabled"]boolValue];
}
}
_dataEnabledCell = _dataEnabledCell111111 || _dataEnabledCell222222;
}
if (_dataEnabledCell == YES) {
return YES;
}
return NO;
}else{
NSLog(@"%@",GlobalVariablesSingle.name);
NSLog(@"%d",[[[UIDevice currentDevice] systemVersion] intValue]);
//ios12測試版系統崩潰ipadpro 只要ios12的ipad系統都不判斷
if (([GlobalVariablesSingle.name rangeOfString:@"iPad"].length > 0)
&& [[[UIDevice currentDevice] systemVersion] intValue] == 12) {
return YES;
}
UIApplication *app = [UIApplication sharedApplication];
NSArray *children = nil;
children = [[[app valueForKeyPath:@"statusBar"] valueForKeyPath:@"foregroundView"] subviews];
int type = 0;
for (id child in children) {
if ([child isKindOfClass:[NSClassFromString(@"UIStatusBarDataNetworkItemView") class]]) {
type = [[child valueForKeyPath:@"dataNetworkType"] intValue];
}
}
if (type == 0) {
return NO;
}else{
return YES;
}
}
}