salmanyaqoob

initLocationCompass(){
    var _this = this;
    this.locationLoading().then(result => {
        console.info("Location: " + result);
        _this.loadCompass(result);
        _this.isLocationLoading = false;
        _this.isLocationError = false;
    }, error => {
        console.info("Location: error ->" + error);
        _this.isLocationLoading = false;

salmanyaqoob

loadCompass(coordinates = {
    latitude: 24.7136,
    longitude: 46.6753
}) {
    var _this = this;
    var qiblaDirection = parseFloat(this.qibla(coordinates));
    console.log("compass: qiblaDirection: " + qiblaDirection);
    _this.needle_transform = "rotate(" + qiblaDirection + "deg)";
    sensor.subscribeCompass({
        success: function (ret) {

salmanyaqoob

qibla(coordinates) {
    const makkah = {
        latitude: 21.42252,
        longitude: 39.82621
    };

    const term1 = Math.sin(this.degreesToRadians(makkah.longitude) - this.degreesToRadians(coordinates.longitude));
    const term2 = Math.cos(this.degreesToRadians(coordinates.latitude)) * Math.tan(this.degreesToRadians(makkah.latitude));
    const term3 = Math.sin(this.degreesToRadians(coordinates.latitude)) * Math.cos(this.degreesToRadians(makkah.longitude) - this.degreesToRadians(coordinates.longitude));
    const angle = Math.atan2(term1, term2 - term3);

salmanyaqoob

"reqPermissions": [
      {
        "name": "ohos.permission.INTERNET"
      },
      {
        "name": "ohos.permission.LOCATION",
        "reason": "get Qibla direction",
        "usedScene": {
          "ability": [
            "default"