[javascript] iOS에서 Phonegap을 사용하여 방향 변경을 올바르게 감지하려면 어떻게합니까?

JQTouch 참조 자료를 찾고있는이 오리엔테이션 테스트 코드를 아래에서 찾았습니다. 이것은 모바일 Safari의 iOS 시뮬레이터에서는 올바르게 작동하지만 Phonegap에서는 올바르게 처리되지 않습니다. 내 프로젝트 가이 테스트 페이지를 죽이는 것과 동일한 문제가 발생했습니다. Phonegap에서 JavaScript를 사용하여 방향 변경을 감지하는 방법이 있습니까?

window.onorientationchange = function() {
  /*window.orientation returns a value that indicates whether iPhone is in portrait mode, landscape mode with the screen turned to the
    left, or landscape mode with the screen turned to the right. */
  var orientation = window.orientation;
  switch (orientation) {
    case 0:
      /* If in portrait mode, sets the body's class attribute to portrait. Consequently, all style definitions matching the body[class="portrait"] declaration
         in the iPhoneOrientation.css file will be selected and used to style "Handling iPhone or iPod touch Orientation Events". */
      document.body.setAttribute("class", "portrait");

      /* Add a descriptive message on "Handling iPhone or iPod touch Orientation Events"  */
      document.getElementById("currentOrientation").innerHTML = "Now in portrait orientation (Home button on the bottom).";
      break;

    case 90:
      /* If in landscape mode with the screen turned to the left, sets the body's class attribute to landscapeLeft. In this case, all style definitions matching the
         body[class="landscapeLeft"] declaration in the iPhoneOrientation.css file will be selected and used to style "Handling iPhone or iPod touch Orientation Events". */
      document.body.setAttribute("class", "landscape");

      document.getElementById("currentOrientation").innerHTML = "Now in landscape orientation and turned to the left (Home button to the right).";
      break;

    case -90:
      /* If in landscape mode with the screen turned to the right, sets the body's class attribute to landscapeRight. Here, all style definitions matching the
         body[class="landscapeRight"] declaration in the iPhoneOrientation.css file will be selected and used to style "Handling iPhone or iPod touch Orientation Events". */
      document.body.setAttribute("class", "landscape");

      document.getElementById("currentOrientation").innerHTML = "Now in landscape orientation and turned to the right (Home button to the left).";
      break;
  }
}

답변

function doOnOrientationChange() {
    switch(window.orientation) {
      case -90: case 90:
        alert('landscape');
        break;
      default:
        alert('portrait');
        break;
    }
}

window.addEventListener('orientationchange', doOnOrientationChange);

// Initial execution if needed
doOnOrientationChange();

if (window.matchMedia("(orientation: portrait)").matches) {
   // you're in PORTRAIT mode
}

if (window.matchMedia("(orientation: landscape)").matches) {
  // you're in LANDSCAPE mode
}

// Event listener to determine change (horizontal/portrait)
window.addEventListener("orientationchange", updateOrientation);

function updateOrientation(e) {
switch (e.orientation)
{
    case 0:
        // Do your thing
        break;

    case -90:
        // Do your thing
        break;

    case 90:
        // Do your thing
        break;

    default:
        break;
    }
}

var matchMedia = window.msMatchMedia || window.MozMatchMedia || window.WebkitMatchMedia || window.matchMedia;

if (typeof(matchMedia) !== 'undefined') {
  // use matchMedia function to detect orientationchange
  window.matchMedia('(orientation: portrait)').addListener(function() {
    // your code ...
  });
} else {
  // use orientationchange event with timeout (fires to early)
  $(window).on('orientationchange', function() {
    window.setTimeout(function() {
      // your code ...
    }, 300)
  });
}

var handleOrientationChange = (function() {
    var struct = function(){
        struct.parse();
    };
    struct.showPortraitView = function(){
        alert("Portrait Orientation: " + window.orientation);
    };
    struct.showLandscapeView = function(){
        alert("Landscape Orientation: " + window.orientation);
    };
    struct.parse = function(){
        switch(window.orientation){
            case 0:
                    //Portrait Orientation
                    this.showPortraitView();
                break;
            default:
                    //Landscape Orientation
                    if(!parseInt(window.orientation)
                    || window.orientation === this.lastOrientation)
                        setTimeout(this, 10);
                    else
                    {
                        this.lastOrientation = window.orientation;
                        this.showLandscapeView();
                    }
                break;
        }
    };
    struct.lastOrientation = window.orientation;
    return struct;
})();
window.addEventListener("orientationchange", handleOrientationChange, false);

window.addEventListener('orientationchange', doOnOrientationChange);

function doOnOrientationChange()
{
      if (screen.height > screen.width) {
         console.log('portrait');
      } else {
         console.log('landscape');
      }
}