Example usage for android.os BatteryManager EXTRA

Introduction

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

Prototype

String EXTRA_SCALE

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

Click Source Link

Document

Extra for android.content.Intent#ACTION_BATTERY_CHANGED : integer containing the maximum battery level.

Usage

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

/**
 * /*from   w  w w .j  ava2 s . c o  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/*  w w w .  j a v  a 2s.  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  w  w  w .  j a v  a2  s  . c  o  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.  co  m
        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:hmatalonga.greenhub.managers.sampling.DataEstimator.java

public void getCurrentStatus(final Context context) {
    IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    Intent batteryStatus = context.registerReceiver(null, ifilter);
    assert batteryStatus != null;

    level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
    scale = batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
    health = batteryStatus.getIntExtra(BatteryManager.EXTRA_HEALTH, 0);
    plugged = batteryStatus.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0);
    present = batteryStatus.getExtras().getBoolean(BatteryManager.EXTRA_PRESENT);
    status = batteryStatus.getIntExtra(BatteryManager.EXTRA_STATUS, 0);
    technology = batteryStatus.getExtras().getString(BatteryManager.EXTRA_TECHNOLOGY);
    temperature = (float) (batteryStatus.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, 0) / 10);
    voltage = (float) (batteryStatus.getIntExtra(BatteryManager.EXTRA_VOLTAGE, 0) / 1000);
}

From source file:fr.free.coup2lapan.ActualStateActivity.java

public BatteryStat getBatteryStatus() {

    IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    Intent status = this.registerReceiver(null, ifilter);

    BatteryStat batterystat = new BatteryStat(status.getIntExtra(BatteryManager.EXTRA_LEVEL, 0),
            status.getIntExtra(BatteryManager.EXTRA_SCALE, 0),
            status.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, 0),
            status.getIntExtra(BatteryManager.EXTRA_VOLTAGE, 0),
            status.getIntExtra(BatteryManager.EXTRA_STATUS, 0),
            status.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0),
            status.getIntExtra(BatteryManager.EXTRA_HEALTH, 0),
            status.getExtras().getBoolean(BatteryManager.EXTRA_PRESENT) ? 1 : 0,
            DateFormat.getDateInstance(2, localeFR).format(new Date())
                    + DateFormat.getTimeInstance(2, localeFR).format(new Date()),
            status.getExtras().getString(BatteryManager.EXTRA_TECHNOLOGY));

    return batterystat;
}

From source file:us.dustinj.locationstore.LocationService.java

private float getBatteryPercent() {
    Intent batteryStatus = this.registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));

    int level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
    int scale = batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, -1);

    return level / (float) scale * 100;
}

From source file:uk.ac.ucl.excites.sapelli.shared.util.android.DeviceControl.java

/**
 * Returns the current battery level as a percentage.
 * /*from   w ww.j a  va2s  .c  o m*/
 * @param context
 * @return
 */
public static float getBatteryLevel(Context context) {
    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 just in case.
    if (level == -1 || scale == -1) {
        return 50.0f;
    }

    return ((float) level / (float) scale) * 100.0f;
}

From source file:zarbel.bat.services.BatteryThread.java

/**.drawable.ic_stat_name
 * Setting the battery percentage level to the notification
 * @param batteryStatusIntent/*  w ww.ja va2s.c om*/
 * @param level
 * @param scale.drawable.ic_stat_name
 * @param mBuildewr
 * @param mNotificationManager
 * @return
 */
private void setBatteryPercentage(Context applicationContext, IntentFilter ifilter, Intent batteryStatusIntent,
        NotificationCompat.Builder mBuilder, NotificationManager mNotificationManager) {

    int level = 0; //Level data, got from batteryStatusIntent
    int scale = 0; //Scale level, got from batteryStatusIntent
    float totalLevel = 0; //Total battery level

    //Getting battery level
    batteryStatusIntent = applicationContext.registerReceiver(null, ifilter);
    level = batteryStatusIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
    scale = batteryStatusIntent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);

    //Calculating battery level.
    totalLevel = level / (float) scale;
    int percent = ((int) (totalLevel * 100));

    //Creating and Showing notification

    if (notification == null)
        createNotification();

    //Getting the corresponding image with the right battery digit.
    int idResource = applicationContext.getResources().getIdentifier("ic_state_battery" + percent, "drawable",
            applicationContext.getPackageName());

    //Updating icon
    notification.icon = idResource;

    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB)
        notification.largeIcon = BitmapFactory.decodeResource(applicationContext.getResources(), idResource);

}

Example usage for android.os BatteryManager EXTRA_SCALE

Introduction

Prototype

Document

Usage