in src/android/BatteryListener.java [112:121]
private void removeBatteryListener() {
if (this.receiver != null) {
try {
webView.getContext().unregisterReceiver(this.receiver);
this.receiver = null;
} catch (Exception e) {
LOG.e(LOG_TAG, "Error unregistering battery receiver: " + e.getMessage(), e);
}
}
}