battery

问题 I am trying to display battery status in my ionic view. I got display network connection solution. but could not get to display battery status, I have installed ionic 2 battery status plugin HTML <h2>Battery status: {{status?.level}}</h2> <h2>Battery is plugged:{{status?.isPlugged}}</h2> TypeScript status:any; constructor(public alert:AlertController, public platform: Platform) { this.platform.ready().then(()=>{ let subscription = BatteryStatus.onChange().subscribe( (status) => { console.log

问题 I was wondering about the value that I get from the BatteryManager when I want to have the health. I get a "2". What does it mean? Can anyone give me all the values I can get and their meanings? Here is my code for what I want: int health = batteryIntent.getIntExtra(BatteryManager.EXTRA_HEALTH, 0); 回答1: Take a look at the documentation on Battery Manager. You'll be able to see what these constant values mean. For example, the value 2 that you get corresponds to BATTERY_HEALTH_GOOD . You can

问题 I'm trying to change in my emulator the battery status as capacity and ac status but isn't working. I made the whole steps: 1) Connected to the emulator via telnet; 2) Tried to use the commands such power ac off and power capacity 70 3) Every time I checked the power display, the same configuration appears and no change I input is save, and the emulator always show the battery with a "!". FR I saw this link Change emulator battery level in Windows, tried it and nothing resolved. Follow my

问题 Is there a way to detect a low battery notification in android eclipse?I have an action game that needs to be paused when it appears. 回答1: There is a tutorial in the official developers web about monitoring the battery level and charging state. I hope it helps you. http://developer.android.com/training/monitoring-device-state/battery-monitoring.html 回答2: This post might be help full look at that Battery Level Also look into this link Battery Level and State 来源： https://stackoverflow.com

问题 if i want to develop own my iBeacon services in Android or IOS, it has to be practical. which means customer can use my services without shortage of battery. i think even if iBeacon technology is based on Bluetooth Low Energy, it could be still lack of battery. that's because an application must be running to scan iBeacon device all the time. As i know, iOS has its own solution for battery issue. when an IOS application detect iBeacon devices, it is running in the background and IOS(not app)

问题 This question already has answers here : Getting the battery current values for the Android Phone (8 answers) Closed 6 years ago . The BatteryManager class doesn't have the metric for current: http://developer.android.com/reference/android/os/BatteryManager.html And then I have found this post: Getting the battery current values for the Android Phone It seems that the author also found it was not possible to get such value from the Linux entry. I also downloaded the widget called

问题 Does action_battery_low allow being fired from the manifest because I thought it did? Here is my manifest for it: <reciever android:name=".BatteryReciever"> <intent-filter> <action android:name="android.intent.action.BOOT_COMPLETED" /> </intent-filter> <intent-filter> <action android:name="android.intent.action.BATTERY_LOW"/> </intent-filter> </reciever> But it never gets fired when I get the low battery warning from the system. Can this only be fired explicitly? 回答1: The original question

问题 I have a Service which tracks the location of the user. Currently, the Service boots when the application starts and stops when the application terminates. Unfortunately, if users keep the application in the background, the Service never stops and drains battery. I would like the Service to stop when my application is not in the foreground. I was hoping the Application class would let me Override onPause and onResume handlers, but it does not have them. Is there another way I can accomplish

问题 So I currently have the following commonly used method of acquiring the current battery level implemented in my android app. int getBatteryPercent(){ IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED); Intent batteryStatus = this.registerReceiver(null, ifilter); int level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1); return level; } The problem is that this returns an integer 0-100. In order to ensure accuracy of one of my algorithms, I need to be able to

问题 I was reading how to get the temperature of the battery and I make small app, and in my receiver I have something like this int temp = intent.getIntExtra("temperature", 0); well , this temp have values like 390 or 380 something that is really big to be Celsius but I think that is big number even for Fahrenheit... can someone please tall what is the unit, does it have a range and so on. in the official documentation all I found was "integer containing the current battery temperature" Thanks