//此样式的状态栏中的字为白色，所以用在导航栏为深色的情况下，例如黑色或者红色的导航栏
[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];
//此样式的状态栏中的字为黑色色，所以用在导航栏为浅色色的情况下，比如白色的导航栏
[[UIApplication sharedApplication]setStatusBarStyle:UIStatusBarStyleDefault];
//设置了，发现状态栏没反应，那么你要去info.plist中加一个key，这个key为View controller-based status bar appearance，对应的value为NO。这样每个vc中就可以随便设置状态栏的样式了。
#import <Foundation/Foundation.h>
//#import <UIKit/UIKit.h>
/*
- (NSString *)getIPAddress
-(NSString *)getWifiName
所需 一下3个库
*/
#import <SystemConfiguration/CaptiveNetwork.h>
#import <ifaddrs.h>
#import <arpa/inet.h>
//0 - 无网络 ; 1 - 2G ; 2 - 3G ; 3 - 4G ; 5 - WIFI
typedef NS_ENUM(NSUInteger, NetWorkType) {
NetWorkTypeNone=0,
NetWorkType2G=1,
NetWorkType3G=2,
NetWorkType4G=3,
NetWorkTypeWiFI=5,
};
@interface StatusBarTool : NSObject
/** * * * @return 当前网络类型 */
+ (NetWorkType )currentNetworkType;
/** * * * @return SIM卡所属的运营商（公司） */
+ (NSString *)serviceCompany;
/** * * * @return 当前电池电量百分比 */
+ (NSString *)currentBatteryPercent;
/** * * * @return 当前时间显示的字符串 */
+ (NSString *)currentTimeString;
/** * * * @return 获取操作栏对象 改变状态栏的颜色，背景颜色（backgroundColor）、大小位置（frame）等等 */
+ (UIView *)statusBarView;
/** * * * @return 获取WiFi信号强度 */
- (int)getSignalStrength;
/** * * * @return 获取ip地址名称 */
+ (NSString *)getIPAddress;
/** * * * @return 获取WiFi名称 */
+ (NSString *)getWifiName;
@end
********************************************************
#import "StatusBarTool.h"
@implementation StatusBarTool
+ (NetWorkType )currentNetworkType
{
NSArray *infoArray = [[[[UIApplication sharedApplication] valueForKeyPath:@"statusBar"] valueForKeyPath:@"foregroundView"] subviews];
NetWorkType type;
for (id info in infoArray){
if ([info isKindOfClass:NSClassFromString(@"UIStatusBarDataNetworkItemView")]) {
type = [[info valueForKeyPath:@"dataNetworkType"] integerValue];
NSLog(@"----%lu", (unsigned long)type);
return (NetWorkType)type;
}
}
return NetWorkTypeNone;
}
+ (NSString *)serviceCompany
{
NSArray *infoArray = [[[[UIApplication sharedApplication] valueForKeyPath:@"statusBar"] valueForKeyPath:@"foregroundView"] subviews];
for (id info in infoArray){
if ([info isKindOfClass:NSClassFromString(@"UIStatusBarServiceItemView")]){
NSString *serviceString = [info valueForKeyPath:@"serviceString"];
NSLog(@"公司为：%@",serviceString);
return serviceString;
}
}
return @"";
}
+ (NSString *)currentBatteryPercent
{
NSArray *infoArray = [[[[UIApplication sharedApplication] valueForKeyPath:@"statusBar"] valueForKeyPath:@"foregroundView"] subviews];
for (id info in infoArray){
if ([info isKindOfClass:NSClassFromString(@"UIStatusBarBatteryPercentItemView")]){
NSString *percentString = [info valueForKeyPath:@"percentString"];
NSLog(@"电量为：%@",percentString);
return percentString;
}
}
return @"";
}
+ (NSString *)currentTimeString
{
NSArray *infoArray = [[[[UIApplication sharedApplication] valueForKeyPath:@"statusBar"] valueForKeyPath:@"foregroundView"] subviews];
for (id info in infoArray){
if ([info isKindOfClass:NSClassFromString(@"UIStatusBarTimeItemView")]){
NSString *timeString = [info valueForKeyPath:@"timeString"];
NSLog(@"当前显示时间为：%@",timeString);
return timeString;
}
}
return @"";
}
+ (UIView *)statusBarView
{
UIView *statusBar = nil;
NSData *data = [NSData dataWithBytes:(unsigned char []){0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x42, 0x61, 0x72} length:9];
NSString *key = [[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding];
id object = [UIApplication sharedApplication];
if ([object respondsToSelector:NSSelectorFromString(key)])
statusBar = [object valueForKey:key];
return statusBar;
}
- (int)getSignalStrength
{
NSLog(@"======获取Wifi信号强度======");
UIApplication *app = [UIApplication sharedApplication];
NSArray *subviews = [[[app valueForKey:@"statusBar"] valueForKey:@"foregroundView"] subviews];
NSString *dataNetworkItemView = nil;
for (id subview in subviews) {
if([subview isKindOfClass:[NSClassFromString(@"UIStatusBarDataNetworkItemView") class]]) {
dataNetworkItemView = subview;
break;
}
}
int signalStrength = [[dataNetworkItemView valueForKey:@"_wifiStrengthBars"] intValue];
NSLog(@"signal %d", signalStrength);
return signalStrength;
}
+ (NSString *)getIPAddress
{
NSString *address = @"error";
struct ifaddrs *interfaces = NULL;
struct ifaddrs *temp_addr = NULL;
int success = 0;
// retrieve the current interfaces - returns 0 on success
success = getifaddrs(&interfaces);
if (success == 0) {
// Loop through linked list of interfaces
temp_addr = interfaces;
while (temp_addr != NULL) {
if( temp_addr->ifa_addr->sa_family == AF_INET) {
// Check if interface is en0 which is the wifi connection on the iPhone
if ([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) {
// Get NSString from C String
address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
}
}
temp_addr = temp_addr->ifa_next;
}
}
// Free memory
freeifaddrs(interfaces);
return address;
}
+ (NSString *)getWifiName
{
NSString *wifiName = nil;
CFArrayRef wifiInterfaces = CNCopySupportedInterfaces();
if (!wifiInterfaces) {
return nil;
}
NSArray *interfaces = (__bridge NSArray *)wifiInterfaces;
for (NSString *interfaceName in interfaces) {
CFDictionaryRef dictRef = CNCopyCurrentNetworkInfo((__bridge CFStringRef)(interfaceName));
if (dictRef) {
NSDictionary *networkInfo = (__bridge NSDictionary *)dictRef;
NSLog(@"network info -> %@", networkInfo);
wifiName = [networkInfo objectForKey:(__bridge NSString *)kCNNetworkInfoKeySSID];
CFRelease(dictRef);
}
}
CFRelease(wifiInterfaces);
return wifiName;
}
@end
