Collect Android Battery Usage

BatteryUsage.java

    private void logBatteryInfoByApi() {
        IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        Intent batteryStatus = MainActivity.this.registerReceiver(null, ifilter);

        assert batteryStatus != null;
        Log.e(LOG_TAG, "STATUS: " + String.valueOf(batteryStatus.getIntExtra(BatteryManager
                .EXTRA_STATUS, -1)));
        Log.e(LOG_TAG, "PLUG: " + String.valueOf(batteryStatus.getIntExtra(BatteryManager.EXTRA_PLUGGED,
                -1)));
        Log.e(LOG_TAG, "LEVEL: " + String.valueOf(batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL,
                -1)));
        Log.e(LOG_TAG, "SCALE: " + String.valueOf(batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE,
                -1)));
        Log.e(LOG_TAG, "TEMP: " + String.valueOf(batteryStatus.getIntExtra(BatteryManager
                .EXTRA_TEMPERATURE, -1)));
        Log.e(LOG_TAG, "HEALTH: " + String.valueOf(batteryStatus.getIntExtra(BatteryManager.EXTRA_HEALTH,
                -1)));
        Log.e(LOG_TAG, "VOLTAGE: " + String.valueOf(batteryStatus.getIntExtra(BatteryManager
                        .EXTRA_VOLTAGE,
                -1)));

        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP) {
            BatteryManager batteryManager = (BatteryManager) getSystemService(Context.BATTERY_SERVICE);
            Log.e(LOG_TAG, "CAP: " + String.valueOf(batteryManager.getIntProperty(BatteryManager
                    .BATTERY_PROPERTY_CAPACITY)));
            Log.e(LOG_TAG, "COUNTER: " + String.valueOf(batteryManager.getIntProperty(BatteryManager
                    .BATTERY_PROPERTY_CHARGE_COUNTER)));
            Log.e(LOG_TAG, "CURRENT_AVG: " + String.valueOf(batteryManager.getIntProperty(BatteryManager
                    .BATTERY_PROPERTY_CURRENT_AVERAGE)));
            Log.e(LOG_TAG, "CURRENT: " + String.valueOf(batteryManager.getIntProperty(BatteryManager
                    .BATTERY_PROPERTY_CURRENT_NOW)));
            Log.e(LOG_TAG, "ENERGY: " + String.valueOf(batteryManager.getIntProperty(BatteryManager
                    .BATTERY_PROPERTY_ENERGY_COUNTER)));
        }
    }

    private void logBatteryInfoBySysFile() {
        Properties props = new Properties();
        File file = new File("/sys/class/power_supply/Battery/uevent");
        try {
            InputStream in = new FileInputStream(file);
            props.load(in);

            Log.e(LOG_TAG, props.getProperty("POWER_SUPPLY_STATUS"));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }