Top 10 Examples of "expo-battery in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'expo-battery' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
function getBatteryStateString(batteryState: Battery.BatteryState): string {
switch (batteryState) {
case Battery.BatteryState.UNPLUGGED:
return 'UNPLUGGED';
case Battery.BatteryState.CHARGING:
return 'CHARGING';
case Battery.BatteryState.FULL:
return 'FULL';
case Battery.BatteryState.UNKNOWN:
default:
return 'UNKNOWN';
}
}export default function BatteryScreen() {
const [isAvailable, setIsAvailable] = React.useState(null);
const [batteryLevel, setBatteryLevel] = React.useState(-1);
const [batteryState, setBatteryState] = React.useState(Battery.BatteryState.UNKNOWN);
const [lowPowerMode, setLowPowerMode] = React.useState(false);
React.useEffect(() => {
(async () => {
const [isAvailable, batteryLevel, batteryState, lowPowerMode] = await Promise.all([
Battery.isAvailableAsync(),
Battery.getBatteryLevelAsync(),
Battery.getBatteryStateAsync(),
Battery.isLowPowerModeEnabledAsync(),
]);
setIsAvailable(isAvailable && false);
setBatteryLevel(batteryLevel);
setBatteryState(batteryState);
setLowPowerMode(lowPowerMode);
})();React.useEffect(() => {
(async () => {
const [isAvailable, batteryLevel, batteryState, lowPowerMode] = await Promise.all([
Battery.isAvailableAsync(),
Battery.getBatteryLevelAsync(),
Battery.getBatteryStateAsync(),
Battery.isLowPowerModeEnabledAsync(),
]);
setIsAvailable(isAvailable && false);
setBatteryLevel(batteryLevel);
setBatteryState(batteryState);
setLowPowerMode(lowPowerMode);
})();
const batteryLevelListener = Battery.addBatteryLevelListener(({ batteryLevel }) =>
setBatteryLevel(batteryLevel)
);
const batteryStateListener = Battery.addBatteryStateListener(({ batteryState }) =>
setBatteryState(batteryState)
);
const lowPowerModeListener = Battery.addLowPowerModeListener(({ lowPowerMode }) =>
setLowPowerMode(lowPowerMode)
);
return () => {
batteryLevelListener && batteryLevelListener.remove();
batteryStateListener && batteryStateListener.remove();
lowPowerModeListener && lowPowerModeListener.remove();
};
}, []);useEffect(() => {
(async () => {
const currentLevel = await Battery.getBatteryLevelAsync();
setLevel(currentLevel);
})();
const subscription = Battery.addBatteryLevelListener(({ batteryLevel }) =>
setLevel(batteryLevel)
);
return () => subscription.remove();
}, []);
return ((async () => {
const currentLevel = await Battery.getBatteryLevelAsync();
setLevel(currentLevel);
})();
const subscription = Battery.addBatteryLevelListener(({ batteryLevel }) =>(async () => {
const [isAvailable, batteryLevel, batteryState, lowPowerMode] = await Promise.all([
Battery.isAvailableAsync(),
Battery.getBatteryLevelAsync(),
Battery.getBatteryStateAsync(),
Battery.isLowPowerModeEnabledAsync(),
]);
setIsAvailable(isAvailable && false);
setBatteryLevel(batteryLevel);
setBatteryState(batteryState);
setLowPowerMode(lowPowerMode);
})();
const batteryLevelListener = Battery.addBatteryLevelListener(({ batteryLevel }) =>export const UseBatteryState: React.SFC = (props) => {
const [batteryState] = useBatteryState();
return (
This example only uses the Battery module.
It renders the current battery state, received from the listener.
Battery state
);
};const [isAvailable, batteryLevel, batteryState, lowPowerMode] = await Promise.all([
Battery.isAvailableAsync(),
Battery.getBatteryLevelAsync(),
Battery.getBatteryStateAsync(),
Battery.isLowPowerModeEnabledAsync(),
]);
setIsAvailable(isAvailable && false);
setBatteryLevel(batteryLevel);
setBatteryState(batteryState);
setLowPowerMode(lowPowerMode);
})();
const batteryLevelListener = Battery.addBatteryLevelListener(({ batteryLevel }) =>
setBatteryLevel(batteryLevel)
);
const batteryStateListener = Battery.addBatteryStateListener(({ batteryState }) =>
setBatteryState(batteryState)
);
const lowPowerModeListener = Battery.addLowPowerModeListener(({ lowPowerMode }) =>
setLowPowerMode(lowPowerMode)
);
return () => {
batteryLevelListener && batteryLevelListener.remove();
batteryStateListener && batteryStateListener.remove();
lowPowerModeListener && lowPowerModeListener.remove();
};
}, []);Battery.getBatteryStateAsync(),
Battery.isLowPowerModeEnabledAsync(),
]);
setIsAvailable(isAvailable && false);
setBatteryLevel(batteryLevel);
setBatteryState(batteryState);
setLowPowerMode(lowPowerMode);
})();
const batteryLevelListener = Battery.addBatteryLevelListener(({ batteryLevel }) =>
setBatteryLevel(batteryLevel)
);
const batteryStateListener = Battery.addBatteryStateListener(({ batteryState }) =>
setBatteryState(batteryState)
);
const lowPowerModeListener = Battery.addLowPowerModeListener(({ lowPowerMode }) =>
setLowPowerMode(lowPowerMode)
);
return () => {
batteryLevelListener && batteryLevelListener.remove();
batteryStateListener && batteryStateListener.remove();
lowPowerModeListener && lowPowerModeListener.remove();
};
}, []);(async () => {
const [isAvailable, batteryLevel, batteryState, lowPowerMode] = await Promise.all([
Battery.isAvailableAsync(),
Battery.getBatteryLevelAsync(),
Battery.getBatteryStateAsync(),
Battery.isLowPowerModeEnabledAsync(),
]);
setIsAvailable(isAvailable && false);
setBatteryLevel(batteryLevel);
setBatteryState(batteryState);
setLowPowerMode(lowPowerMode);
})();
const batteryLevelListener = Battery.addBatteryLevelListener(({ batteryLevel }) =>