batterylevel

I am working on battery saver app. There I need to detect remaining battery. I have done following. public class HomeActivity extends Activity { TextView tv_battery; @Override public void onCreate(Bundle b) { super.onCreate(b); setContentView(R.layout.main); tv_battery = (TextView) findViewById(R.id.tv_battery); } @Override protected void onResume() { super.onResume(); registerReceiver(mBatteryReceiver, new IntentFilter(Intent.ACTION_BATTERY_LOW )); } private BroadcastReceiver mBatteryReceiver = new BroadcastReceiver(){ @Override public void onReceive(Context ctxt, Intent intent) { int level =

i found i great library to draw graphs. I want to create one that displays in the x axis the time and in y the battery percentage. My goal is create a graph like this: You can see the percentage on the left and the date/time on bottom. Starting from this example code : https://github.com/jjoe64/GraphView-Demos/blob/master/src/com/jjoe64/graphviewdemos/CustomLabelFormatterActivity.java i want insert the correct data but i never used graphs. This is the activity public class CustomLabelFormatterActivity extends Activity { /** Called when the activity is first created. */ @SuppressLint(

I have seen posts where it was mentioned registerReceiver has to be called (not defined in manifest) to receive ACTION_BATTERY_LOW intent. public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { //.... registerReceiver(new BatteryLevelReceiver(), new IntentFilter( Intent.ACTION_BATTERY_LOW)); } // ....... } BroadcastReceiver public class BatteryLevelReceiver extends BroadcastReceiver { private static final String TAG = BatteryLevelReceiver.class.getSimpleName(); @Override public void onReceive(Context context, Intent intent) { Log.d(TAG,

I am writing a react native app to get IOS and Android Battery status. I search through the net and found few libraries which can get battery level of the phone. https://github.com/robinpowered/react-native-device-battery https://github.com/remobile/react-native-battery-status https://github.com/oojr/react-native-battery Every library has issues when I try that and not much support for the developer when ask a question on git hub. Can any one provide me better solution or library to get Battery status of IOS and Android. Thanks in advance Sameera Chathuranga I wrote my own IOS and Android

I am developing a small android application in which I want to have Geolocation functionality. What I want to code is one service which gives the updated location of a user whether they are using my application or not. I know that if I am continuously checking the user's location it will drain the battery of the device, so I want good solution for that. For example, to give me updates every 5 or 10 minutes. I have read about this question a lot but I wanted to get one good solution. I read this page and it's a good solution if the user is using my application but if the user not using my

Can i get how much time i have before the battery goes to 0%? Something using a CountDownTimer and making a stime of how much mAh the battery consume? Someone can help me to do it? Short answer: No. Long answer: Yes, you can.. But not that easily.. Because you don't know how much energy does the device consume at a time basis, you should first try to find that out and then calculate the remaining time using that data... As you might have guessed already, it might not be that accurate at first but the more you sample , the more accurate that data will be.. So to conclude here is what you have