Example usage for android.os BatteryManager EXTRA_LEVEL

List of usage examples for android.os BatteryManager EXTRA_LEVEL

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Introduction

In this page you can find the example usage for android.os BatteryManager EXTRA_LEVEL.

Prototype

String EXTRA_LEVEL

To view the source code for android.os BatteryManager EXTRA_LEVEL.

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Document

Extra for android.content.Intent#ACTION_BATTERY_CHANGED : integer field containing the current battery level, from 0 to #EXTRA_SCALE .

Usage

From source file:hmatalonga.greenhub.managers.sampling.DataEstimator.java

@Override
public void onReceive(Context context, Intent intent) {
    if (context == null) {
        LOGE(TAG, "Error, context is null");
        return;// w  w w  .  jav  a2s.  c om
    }

    if (intent == null) {
        LOGE(TAG, "Data Estimator error, received intent is null");
        return;
    }

    LOGI(TAG, "onReceive action => " + intent.getAction());

    if (intent.getAction().equals(Intent.ACTION_BATTERY_CHANGED)) {
        try {
            level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
            scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
            health = intent.getIntExtra(BatteryManager.EXTRA_HEALTH, 0);
            plugged = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0);
            present = intent.getExtras().getBoolean(BatteryManager.EXTRA_PRESENT);
            status = intent.getIntExtra(BatteryManager.EXTRA_STATUS, 0);
            technology = intent.getExtras().getString(BatteryManager.EXTRA_TECHNOLOGY);
            temperature = ((float) intent.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, 0)) / 10;
            voltage = ((float) intent.getIntExtra(BatteryManager.EXTRA_VOLTAGE, 0)) / 1000;
        } catch (RuntimeException e) {
            e.printStackTrace();
        }

        if (SettingsUtils.isBatteryAlertsOn(context)) {
            // Notify for temperature alerts...
            if (temperature > 45) {
                Notifier.batteryHighTemperature(context);
            } else if (temperature <= 45 && temperature > 35) {
                Notifier.batteryWarningTemperature(context);
            }
        }

        if (SettingsUtils.isPowerIndicatorShown(context)) {
            Notifier.updateStatusBar(context);
        }
    }

    // On some phones, scale is always 0.
    if (scale == 0)
        scale = 100;

    if (level > 0) {
        Inspector.setCurrentBatteryLevel(level, scale);

        // Location updates disabled for now
        // requestLocationUpdates();

        // Update last known location...
        // if (lastKnownLocation == null) {
        //    lastKnownLocation = LocationInfo.getLastKnownLocation(context);
        // }

        Intent service = new Intent(context, DataEstimatorService.class);
        service.putExtra("OriginalAction", intent.getAction());
        service.fillIn(intent, 0);
        service.putExtra("distance", distance);

        EventBus.getDefault().post(new BatteryLevelEvent(level));

        startWakefulService(context, service);
    }
}

From source file:mx.klozz.xperience.tweaker.fragments.BatteryInfo.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    context = getActivity();// w ww .j a  v a2  s  . c  o m
    mPreferences = PreferenceManager.getDefaultSharedPreferences(context);
    batteryinfoReveiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {

            plugged = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0);
            int scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, 0);
            int leve = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
            int status = intent.getIntExtra(BatteryManager.EXTRA_STATUS, 0);
            int Temp = intent.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, 0);

            level = leve * scale / 100;

            mBattery_Percent.setText(level + "%");//Mostraremos el porcentaje de bateria

            //Para los ajustes de voltaje siempre y cuando el kernel soporte dicha funcion.
            if (new File(BAT_VOLT_PATH).exists()) {
                int volt = Integer.parseInt(Helpers.LeerUnaLinea(BAT_VOLT_PATH));
                if (volt > 5000)
                    volt = (int) Math.round(volt / 1000.0); //Microvolts :)
                mBattery_volt.setText(volt + " mV");
            }

            switch ((int) Math.ceil(level / 20.0)) {
            case 0:
                mBatteryIcon.setImageResource(R.drawable.battery0);
                break;
            case 1:
                mBatteryIcon.setImageResource(R.drawable.battery1);
                break;
            case 2:
                mBatteryIcon.setImageResource(R.drawable.battery2);
                break;
            case 3:
                mBatteryIcon.setImageResource(R.drawable.battery3);
                break;
            case 4:
                mBatteryIcon.setImageResource(R.drawable.battery4);
                break;
            case 5:
                mBatteryIcon.setImageResource(R.drawable.battery5);
                break;
            }

            mBattery_Status.setText(
                    (Temp / 10) + " C " + getResources().getStringArray(R.array.batt_status)[status]);
        }
    };
    setRetainInstance(true);
    setHasOptionsMenu(true);
}

From source file:edu.utexas.quietplaces.services.PlacesUpdateService.java

/**
 * Returns battery status. True if less than 10% remaining.
 *
 * @param battery Battery Intent//from   w  ww . java  2 s .c  o m
 * @return Battery is low
 */
protected boolean getIsLowBattery(Intent battery) {
    float pctLevel = (float) battery.getIntExtra(BatteryManager.EXTRA_LEVEL, 1)
            / battery.getIntExtra(BatteryManager.EXTRA_SCALE, 1);
    return pctLevel < 0.15;
}

From source file:com.brewcrewfoo.performance.fragments.BatteryInfo.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    context = getActivity();/* w w w.  ja  v a2s  .  c  o  m*/
    mPreferences = PreferenceManager.getDefaultSharedPreferences(context);
    batteryInfoReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {

            //int  health= intent.getIntExtra(BatteryManager.EXTRA_HEALTH,0);
            //String  technology= intent.getExtras().getString(BatteryManager.EXTRA_TECHNOLOGY);
            //boolean  present= intent.getExtras().getBoolean(BatteryManager.EXTRA_PRESENT);
            //int  rawvoltage= intent.getIntExtra(BatteryManager.EXTRA_VOLTAGE,0);

            plugged = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0);
            int scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, 0);
            int lev = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
            int status = intent.getIntExtra(BatteryManager.EXTRA_STATUS, 0);
            int temperature = intent.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, 0);

            level = lev * scale / 100;
            mbattery_percent.setText(level + "%");
            if (new File(BAT_VOLT_PATH).exists()) {
                int volt = Integer.parseInt(Helpers.readOneLine(BAT_VOLT_PATH));
                if (volt > 5000)
                    volt = (int) Math.round(volt / 1000.0);// in microvolts
                mbattery_volt.setText(volt + " mV");
            }
            switch ((int) Math.ceil(level / 20.0)) {
            case 0:
                mBattIcon.setImageResource(R.drawable.battery_0);
                break;
            case 1:
                mBattIcon.setImageResource(R.drawable.battery_1);
                break;
            case 2:
                mBattIcon.setImageResource(R.drawable.battery_2);
                break;
            case 3:
                mBattIcon.setImageResource(R.drawable.battery_3);
                break;
            case 4:
                mBattIcon.setImageResource(R.drawable.battery_4);
                break;
            case 5:
                mBattIcon.setImageResource(R.drawable.battery_5);
                break;
            }
            mbattery_status.setText(
                    (temperature / 10) + "C  " + getResources().getStringArray(R.array.batt_status)[status]);
        }
    };
    //getActivity().registerReceiver(batteryInfoReceiver,new IntentFilter(Intent.ACTION_BATTERY_CHANGED) );
    setRetainInstance(true);
    setHasOptionsMenu(true);

}

From source file:fr.inria.ucn.collectors.SysStateCollector.java

/**
 * //from   www  .  j a va2 s .  co  m
 * @param c
 * @param ts
 * @param change
 */
@SuppressLint("NewApi")
public void run(Context c, long ts, boolean change) {
    try {
        JSONObject data = new JSONObject();
        data.put("on_screen_state_change", change); // this collection run was triggered by screen state change

        data.put("hostname", Helpers.getSystemProperty("net.hostname", "unknown hostname"));
        data.put("current_timezone", Time.getCurrentTimezone());

        // general memory state
        ActivityManager am = (ActivityManager) c.getSystemService(Context.ACTIVITY_SERVICE);
        MemoryInfo mi = new MemoryInfo();
        am.getMemoryInfo(mi);

        JSONObject mem = new JSONObject();
        mem.put("available", mi.availMem);
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) {
            mem.put("total", mi.totalMem);
        }
        mem.put("is_low", mi.lowMemory);
        data.put("memory", mem);

        // screen state
        PowerManager pm = (PowerManager) c.getSystemService(Context.POWER_SERVICE);
        data.put("screen_on", pm.isScreenOn());

        // battery state
        IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        Intent battery = c.registerReceiver(null, ifilter);
        int level = battery.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
        int scale = battery.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
        float pct = (float) (100.0 * level) / scale;
        int status = battery.getIntExtra(BatteryManager.EXTRA_STATUS, -1);
        boolean isCharging = (status == BatteryManager.BATTERY_STATUS_CHARGING
                || status == BatteryManager.BATTERY_STATUS_FULL);
        int chargePlug = battery.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1);
        boolean usbCharge = chargePlug == BatteryManager.BATTERY_PLUGGED_USB;
        boolean acCharge = chargePlug == BatteryManager.BATTERY_PLUGGED_AC;

        JSONObject batt = new JSONObject();
        batt.put("level", level);
        batt.put("scale", scale);
        batt.put("pct", pct);
        batt.put("is_charging", isCharging);
        batt.put("usb_charge", usbCharge);
        batt.put("ac_charge", acCharge);
        data.put("battery", batt);

        // some proc stats
        data.put("cpu", getCpuStat());
        data.put("loadavg", getLoadStat());
        data.put("uptime", getUptimeStat());

        // audio state
        data.put("audio", getAudioState(c));

        // done
        Helpers.sendResultObj(c, "system_state", ts, data);

    } catch (JSONException jex) {
        Log.w(Constants.LOGTAG, "failed to create json object", jex);
    }
}

From source file:com.wso2.mobile.mdm.api.PhoneState.java

/**
*Returns the device battery information//from  ww w .  ja  v a  2  s . co m
*/
public float getBatteryLevel() {
    Intent batteryIntent = context.registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
    int level = batteryIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
    int scale = batteryIntent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);

    // Error checking that probably isn't needed but I added just in case.
    if (level == -1 || scale == -1) {
        return 50.0f;
    }

    return ((float) level / (float) scale) * 100.0f;
    /*BroadcastReceiver batteryReceiver = new BroadcastReceiver() {
    int scale = -1;
    int level = -1;
    int voltage = -1;
    int temp = -1;
    @Override
    public void onReceive(Context context, Intent intent) {
        level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
        scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
        temp = intent.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, -1);
        voltage = intent.getIntExtra(BatteryManager.EXTRA_VOLTAGE, -1);
        Log.v("Battery Level", "level is "+level+"/"+scale+", temp is "+temp+", voltage is "+voltage);
                
        Battery battery = Battery.getInstance();
        battery.setLevel(level);
        battery.setScale(scale);
        battery.setTemp(temp);
        battery.setVoltage(voltage);
                
    }
      };
      IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
      context.registerReceiver(batteryReceiver, filter);
    return Battery.getInstance();*/
}

From source file:org.wso2.cdm.agent.api.PhoneState.java

/**
*Returns the device battery information//from   www. j  a va 2 s  .co m
*/
public float getBatteryLevel() {
    Intent batteryIntent = context.getApplicationContext().registerReceiver(null,
            new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
    int level = batteryIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
    int scale = batteryIntent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);

    // Error checking that probably isn't needed but I added just in case.
    if (level == -1 || scale == -1) {
        return 50.0f;
    }

    return ((float) level / (float) scale) * 100.0f;
    /*BroadcastReceiver batteryReceiver = new BroadcastReceiver() {
    int scale = -1;
    int level = -1;
    int voltage = -1;
    int temp = -1;
    @Override
    public void onReceive(Context context, Intent intent) {
        level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
        scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
        temp = intent.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, -1);
        voltage = intent.getIntExtra(BatteryManager.EXTRA_VOLTAGE, -1);
        Log.v("Battery Level", "level is "+level+"/"+scale+", temp is "+temp+", voltage is "+voltage);
                
        Battery battery = Battery.getInstance();
        battery.setLevel(level);
        battery.setScale(scale);
        battery.setTemp(temp);
        battery.setVoltage(voltage);
                
    }
      };
      IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
      context.registerReceiver(batteryReceiver, filter);
    return Battery.getInstance();*/
}

From source file:edu.uri.egr.hermes.manipulators.FileLog.java

public String battery() {
    IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    Intent batteryStatus = Hermes.get().getContext().registerReceiver(null, filter);

    return String.valueOf(batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL,
            -1 / batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, -1) * 100));
}

From source file:org.openchaos.android.fooping.service.PingService.java

@Override
protected void onHandleIntent(Intent intent) {
    String clientID = prefs.getString("ClientID", "unknown");
    long ts = System.currentTimeMillis();

    Log.d(tag, "onHandleIntent()");

    // always send ping
    if (true) {//from w  w  w.j a  va 2s .  c  om
        try {
            JSONObject json = new JSONObject();
            json.put("client", clientID);
            json.put("type", "ping");
            json.put("ts", ts);

            sendMessage(json);
        } catch (Exception e) {
            Log.e(tag, e.toString());
            e.printStackTrace();
        }
    }

    // http://developer.android.com/training/monitoring-device-state/battery-monitoring.html
    // http://developer.android.com/reference/android/os/BatteryManager.html
    if (prefs.getBoolean("UseBattery", false)) {
        try {
            JSONObject json = new JSONObject();
            json.put("client", clientID);
            json.put("type", "battery");
            json.put("ts", ts);

            Intent batteryStatus = registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
            if (batteryStatus != null) {
                JSONObject bat_data = new JSONObject();

                int level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
                int scale = batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
                if (level >= 0 && scale > 0) {
                    bat_data.put("pct", roundValue(((double) level / (double) scale) * 100, 2));
                } else {
                    Log.w(tag, "Battery level unknown");
                    bat_data.put("pct", -1);
                }
                bat_data.put("health", batteryStatus.getIntExtra(BatteryManager.EXTRA_HEALTH, -1));
                bat_data.put("status", batteryStatus.getIntExtra(BatteryManager.EXTRA_STATUS, -1));
                bat_data.put("plug", batteryStatus.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1));
                bat_data.put("volt", batteryStatus.getIntExtra(BatteryManager.EXTRA_VOLTAGE, -1));
                bat_data.put("temp", batteryStatus.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, -1));
                bat_data.put("tech", batteryStatus.getStringExtra(BatteryManager.EXTRA_TECHNOLOGY));
                // bat_data.put("present", batteryStatus.getBooleanExtra(BatteryManager.EXTRA_PRESENT, false));

                json.put("battery", bat_data);
            }

            sendMessage(json);
        } catch (Exception e) {
            Log.e(tag, e.toString());
            e.printStackTrace();
        }
    }

    // http://developer.android.com/guide/topics/location/strategies.html
    // http://developer.android.com/reference/android/location/LocationManager.html
    if (prefs.getBoolean("UseGPS", false)) {
        try {
            JSONObject json = new JSONObject();
            json.put("client", clientID);
            json.put("type", "loc_gps");
            json.put("ts", ts);

            if (lm == null) {
                lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
            }

            Location last_loc = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER);
            if (last_loc != null) {
                JSONObject loc_data = new JSONObject();

                loc_data.put("ts", last_loc.getTime());
                loc_data.put("lat", last_loc.getLatitude());
                loc_data.put("lon", last_loc.getLongitude());
                if (last_loc.hasAltitude())
                    loc_data.put("alt", roundValue(last_loc.getAltitude(), 4));
                if (last_loc.hasAccuracy())
                    loc_data.put("acc", roundValue(last_loc.getAccuracy(), 4));
                if (last_loc.hasSpeed())
                    loc_data.put("speed", roundValue(last_loc.getSpeed(), 4));
                if (last_loc.hasBearing())
                    loc_data.put("bearing", roundValue(last_loc.getBearing(), 4));

                json.put("loc_gps", loc_data);
            }

            sendMessage(json);
        } catch (Exception e) {
            Log.e(tag, e.toString());
            e.printStackTrace();
        }
    }

    if (prefs.getBoolean("UseNetwork", false)) {
        try {
            JSONObject json = new JSONObject();
            json.put("client", clientID);
            json.put("type", "loc_net");
            json.put("ts", ts);

            if (lm == null) {
                lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
            }

            Location last_loc = lm.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
            if (last_loc != null) {
                JSONObject loc_data = new JSONObject();

                loc_data.put("ts", last_loc.getTime());
                loc_data.put("lat", last_loc.getLatitude());
                loc_data.put("lon", last_loc.getLongitude());
                if (last_loc.hasAltitude())
                    loc_data.put("alt", roundValue(last_loc.getAltitude(), 4));
                if (last_loc.hasAccuracy())
                    loc_data.put("acc", roundValue(last_loc.getAccuracy(), 4));
                if (last_loc.hasSpeed())
                    loc_data.put("speed", roundValue(last_loc.getSpeed(), 4));
                if (last_loc.hasBearing())
                    loc_data.put("bearing", roundValue(last_loc.getBearing(), 4));

                json.put("loc_net", loc_data);
            }

            sendMessage(json);
        } catch (Exception e) {
            Log.e(tag, e.toString());
            e.printStackTrace();
        }
    }

    // http://developer.android.com/reference/android/net/wifi/WifiManager.html
    if (prefs.getBoolean("UseWIFI", false)) {
        try {
            JSONObject json = new JSONObject();
            json.put("client", clientID);
            json.put("type", "wifi");
            json.put("ts", ts);

            if (wm == null) {
                wm = (WifiManager) getSystemService(Context.WIFI_SERVICE);
            }

            List<ScanResult> wifiScan = wm.getScanResults();
            if (wifiScan != null) {
                JSONArray wifi_list = new JSONArray();

                for (ScanResult wifi : wifiScan) {
                    JSONObject wifi_data = new JSONObject();

                    wifi_data.put("BSSID", wifi.BSSID);
                    wifi_data.put("SSID", wifi.SSID);
                    wifi_data.put("freq", wifi.frequency);
                    wifi_data.put("level", wifi.level);
                    // wifi_data.put("cap", wifi.capabilities);
                    // wifi_data.put("ts", wifi.timestamp);

                    wifi_list.put(wifi_data);
                }

                json.put("wifi", wifi_list);
            }

            sendMessage(json);
        } catch (Exception e) {
            Log.e(tag, e.toString());
            e.printStackTrace();
        }
    }

    // TODO: cannot poll sensors. register receiver to cache sensor data
    // http://developer.android.com/guide/topics/sensors/sensors_overview.html
    // http://developer.android.com/reference/android/hardware/SensorManager.html
    if (prefs.getBoolean("UseSensors", false)) {
        try {
            JSONObject json = new JSONObject();
            json.put("client", clientID);
            json.put("type", "sensors");
            json.put("ts", ts);

            if (sm == null) {
                sm = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
            }

            List<Sensor> sensors = sm.getSensorList(Sensor.TYPE_ALL);
            if (sensors != null) {
                JSONArray sensor_list = new JSONArray();

                for (Sensor sensor : sensors) {
                    JSONObject sensor_info = new JSONObject();

                    sensor_info.put("name", sensor.getName());
                    sensor_info.put("type", sensor.getType());
                    sensor_info.put("vendor", sensor.getVendor());
                    sensor_info.put("version", sensor.getVersion());
                    sensor_info.put("power", roundValue(sensor.getPower(), 4));
                    sensor_info.put("resolution", roundValue(sensor.getResolution(), 4));
                    sensor_info.put("range", roundValue(sensor.getMaximumRange(), 4));

                    sensor_list.put(sensor_info);
                }

                json.put("sensors", sensor_list);
            }

            sendMessage(json);
        } catch (Exception e) {
            Log.e(tag, e.toString());
            e.printStackTrace();
        }
    }

    // http://developer.android.com/training/monitoring-device-state/connectivity-monitoring.html
    // http://developer.android.com/reference/android/net/ConnectivityManager.html
    if (prefs.getBoolean("UseConn", false)) {
        try {
            JSONObject json = new JSONObject();
            json.put("client", clientID);
            json.put("type", "conn");
            json.put("ts", ts);

            if (cm == null) {
                cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
            }

            // TODO: add active/all preferences below UseConn
            if (prefs.getBoolean("UseConnActive", true)) {
                NetworkInfo net = cm.getActiveNetworkInfo();
                if (net != null) {
                    JSONObject net_data = new JSONObject();

                    net_data.put("type", net.getTypeName());
                    net_data.put("subtype", net.getSubtypeName());
                    net_data.put("connected", net.isConnected());
                    net_data.put("available", net.isAvailable());
                    net_data.put("roaming", net.isRoaming());
                    net_data.put("failover", net.isFailover());
                    if (net.getReason() != null)
                        net_data.put("reason", net.getReason());
                    if (net.getExtraInfo() != null)
                        net_data.put("extra", net.getExtraInfo());

                    json.put("conn_active", net_data);
                }
            }

            if (prefs.getBoolean("UseConnAll", false)) {
                NetworkInfo[] nets = cm.getAllNetworkInfo();
                if (nets != null) {
                    JSONArray net_list = new JSONArray();

                    for (NetworkInfo net : nets) {
                        JSONObject net_data = new JSONObject();

                        net_data.put("type", net.getTypeName());
                        net_data.put("subtype", net.getSubtypeName());
                        net_data.put("connected", net.isConnected());
                        net_data.put("available", net.isAvailable());
                        net_data.put("roaming", net.isRoaming());
                        net_data.put("failover", net.isFailover());
                        if (net.getReason() != null)
                            net_data.put("reason", net.getReason());
                        if (net.getExtraInfo() != null)
                            net_data.put("extra", net.getExtraInfo());

                        net_list.put(net_data);
                    }

                    json.put("conn_all", net_list);
                }
            }

            sendMessage(json);
        } catch (Exception e) {
            Log.e(tag, e.toString());
            e.printStackTrace();
        }
    }

    if (!PingServiceReceiver.completeWakefulIntent(intent)) {
        Log.w(tag, "completeWakefulIntent() failed. no active wake lock?");
    }
}

From source file:org.wso2.emm.system.service.api.OTADownload.java

private int getBatteryLevel(Context context) {
    Intent batteryIntent = context.registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
    int level = 0;
    if (batteryIntent != null) {
        level = batteryIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
    }//from  w w w  .  java2s.c  o m

    return level;
}