if (state != null) {
mBatteryVoltageView.setText(AltosDroid.number("%4.2f V", state.battery_voltage));
mBatteryLights.set(state.battery_voltage >= AltosLib.ao_battery_good, state.battery_voltage == AltosLib.MISSING);
if (state != null) {
mBatteryVoltageView.setText(AltosDroid.number("%4.2f V", state.battery_voltage));
mBatteryLights.set(state.battery_voltage >= AltosLib.ao_battery_good, state.battery_voltage == AltosLib.MISSING);