Javascript 设备运动不';设备锁定时,似乎无法注册
我有以下代码,当(移动)设备被轻轻推动时会发出嘟嘟声:Javascript 设备运动不';设备锁定时,似乎无法注册,javascript,android,mobile,Javascript,Android,Mobile,我有以下代码,当(移动)设备被轻轻推动时会发出嘟嘟声: let audio = new Audio('ack.mp3'); function handleMotionEvent(event) { let x = event.accelerationIncludingGravity.x; let y = event.accelerationIncludingGravity.y; if (Math.abs(x) + Math.abs(y) > 2.2) { au
let audio = new Audio('ack.mp3');
function handleMotionEvent(event) {
let x = event.accelerationIncludingGravity.x;
let y = event.accelerationIncludingGravity.y;
if (Math.abs(x) + Math.abs(y) > 2.2) {
audio.play();
}
}
window.addEventListener("devicemotion", handleMotionEvent, true);
它可以正常工作,但当设备被锁定时,它根本不能工作。当设备锁定时,有什么方法可以检测到这种情况吗?似乎您必须为该操作获取部分唤醒锁定。 PowerManager类
PowerManager pm = (PowerManager)getSystemService(POWER_SERVICE);
PowerManager.WakeLock lock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "SensorRead");
lock.acquire();
window.addEventListener("devicemotion", handleMotionEvent, true);
在AndroidManifest.xml
中还需要此权限:
<uses-permission android:name="android.permission.WAKE_LOCK" />