iOS电池的监听

#import"ViewController.h"

创新互联公司主要从事成都做网站、网站设计、网页设计、企业做网站、公司建网站等业务。立足成都服务盘龙,十余年网站建设经验,价格优惠、服务专业,欢迎来电咨询建站服务:028-86922220

#import

@interfaceViewController ()

//@property(nonatomic,readonly) float batteryLevel NS_AVAILABLE_IOS(3_0);

// 0 .. 1.0. -1.0 if UIDeviceBatteryStateUnknown它返回的是0.00-1.00之间的浮点值。

@end

@implementation ViewController

- (void)viewDidLoad {

[superviewDidLoad];

//打开电池的监听

[UIDevicecurrentDevice].batteryMonitoringEnabled =YES;

//获取电池的状态

UIDeviceBatteryState BatteryState = [UIDevicecurrentDevice].batteryState;

//获取剩余电量范围在0.000000至 1.000000之间

CGFloat batterylevel = [UIDevicecurrentDevice].batteryLevel;

//battery的状态分为：

UIDeviceBatteryStateUnknown, 未知

UIDeviceBatteryStateUnplugged, //未充电

UIDeviceBatteryStateCharging, //正在充电

UIDeviceBatteryStateFull, //满电

if (BatteryState ==UIDeviceBatteryStateUnknown) {

self.dlLabel.text = [NSStringstringWithFormat:@"%0.0f%%",batterylevel*100];

NSLog(@"unknow");

}else{

NSLog(@"know");

//将剩余的电量用label显示。

self.dlLabel.text = [NSStringstringWithFormat:@"%0.0f%%",batterylevel*100];

}

// [self getCurrentBatteryLevel];

// [UIDevice currentDevice].batteryMonitoringEnabled = YES;

// [[NSNotificationCenter defaultCenter]

// addObserverForName:UIDeviceBatteryLevelDidChangeNotification

// object:nil queue:[NSOperationQueue mainQueue]

// usingBlock:^(NSNotification *notification) {

// // Level has changed

// dl=[UIDevice currentDevice].batteryLevel;

// NSLog(@"电池电量：%.2f", [UIDevice currentDevice].batteryLevel);

// self.dlLabel.text = [NSString stringWithFormat:@"%f",[UIDevice currentDevice].batteryLevel];

// }];

// Do any additional setup after loading the view, typically from a nib.

}

分享标题：iOS电池的监听
网页链接：http://6mz.cn/article/ppghej.html

网站建设知识