devicePortLandSensor.ets
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import sensor from '@ohos.sensor';
import window from '@ohos.window';
import { WindowModel } from 'wdKit';
export class devicePLSensorManager {
public static devicePLSensorOn(targetOrientation: number) {
try {
sensor.off(sensor.SensorId.ACCELEROMETER);
} catch (e) {
}
let requestOrientation = -1; // sensor旋转的角度
let num = -1;
try {
// 订阅加速度传感器数据
sensor.on(sensor.SensorId.ACCELEROMETER, (response: sensor.AccelerometerResponse) => {
if (num < 5) {
num++;
return;
} else {
num = -1;
}
let orientation = -1;
let X = -response.x;
let Y = -response.y;
let Z = -response.z;
let magnitude = X * X + Y * Y;
if (magnitude * 4 >= Z * Z) {
let OneEightyOverPi = 57.29577957855;
let angle = Math.atan2(-Y, X) * OneEightyOverPi;
orientation = 90 - Math.round(angle);
while (orientation >= 360) {
orientation -= 360;
}
while (orientation < 0) {
orientation += 360;
}
}
if (orientation == -1) return; // 水平方向不处理
if (orientation > 315 || orientation < 45) {
requestOrientation = window.Orientation.PORTRAIT;
}
else if (orientation > 45 && orientation < 135) {
requestOrientation = window.Orientation.LANDSCAPE;
}
else if (orientation > 225 && orientation < 315) {
requestOrientation = window.Orientation.LANDSCAPE_INVERTED;
}
if (targetOrientation == window.Orientation.PORTRAIT && requestOrientation == window.Orientation.PORTRAIT) {
WindowModel.shared.setPreferredOrientation(window.Orientation.AUTO_ROTATION_RESTRICTED);
sensor.off(sensor.SensorId.ACCELEROMETER);
}
if (targetOrientation == window.Orientation.LANDSCAPE && (requestOrientation == window.Orientation.LANDSCAPE || requestOrientation == window.Orientation.LANDSCAPE_INVERTED)) {
WindowModel.shared.setPreferredOrientation(window.Orientation.AUTO_ROTATION_RESTRICTED);
sensor.off(sensor.SensorId.ACCELEROMETER);
}
}, { interval: 2000000000 })
} catch (e) {
console.error(`屏幕状态报错：${e}`);
try {
sensor.off(sensor.SensorId.ACCELEROMETER);
} catch (e) {
}
}
}
public static devicePLSensorOff() {
try {
sensor.off(sensor.SensorId.ACCELEROMETER);
} catch (e) {
}
}
}