Transformation of Ionic 2 ScreenOrientation Plugin

Can someone assist me with this issue? A while back, my Ionic 2 app was functioning correctly using the ScreenOrientation Cordova plugin and the following code:

window.addEventListener('orientationchange', ()=>{
  console.info('DEVICE ORIENTATION CHANGED!');
  console.debug(ScreenOrientation.orientation);
  if(ScreenOrientation.orientation.type.indexOf('landscape') !== -1){
    this.screenOrientationIsPortrait = false;
  } else if(ScreenOrientation.orientation.type.indexOf('portrait') !== -1){
    this.screenOrientationIsPortrait = true;
  }
});

Upon installing the latest versions of Ionic 2 and the cordova ScreenOrientation plugin on a new laptop and using the same code, I encountered a compile time error:

Property 'type' does not exist on type 'string'.

I attempted to use the examples from the ScreenOrientation plugin's GitHub repository:

window.addEventListener('orientationchange', ()=>{
  console.info('DEVICE ORIENTATION CHANGED!');
  console.debug(ScreenOrientation.orientation);
  if(screen.orientation.type.indexOf('landscape') !== -1){
    this.screenOrientationIsPortrait = false;
  } else if(screen.orientation.type.indexOf('portrait') !== -1){
    this.screenOrientationIsPortrait = true;
  }
});

However, this code also resulted in a compile time error:

Property 'orientation' does not exist on type 'Screen'

It seems like a TypeScript error rather than a version conflict. How can I diagnose and resolve these errors? Any suggestions or guidance would be greatly appreciated. Thank you!

Github repo examples: https://github.com/apache/cordova-plugin-screen-orientation

Ionic 2 Examples: https://ionicframework.com/docs/v2/native/screen-orientation/

Answer №1

You have the ability to determine screen orientation changes even without the need for installing a plugin. Simply access the window property orientation.

window.addEventListener('orientationchange', () => {
      console.info('Screen orientation has changed!');
      console.debug(ScreenOrientation.orientation);
      switch (window.orientation) {
        case -90:
        case 90:
              console.log("Landscape orientation");
              this.screenOrientationIsPortrait = true;
              break;
        case 0:
             console.log("Portrait orientation");
              this.screenOrientationIsPortrait = false;
             break;
      }      
    });

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