Dynamically size Nativescript ContentView within ScrollView based on device height





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I have a Nativescript Vue component template defined as:



<ScrollView>
<StackLayout>
<ContentView ref="mapContainer" height="500" width="100%">
<Mapbox
accessToken="my access key"
mapStyle="outdoors-v9"
hideCompass="true"
zoomLevel="10.2" ,
latitude="51.949266"
longitude="-12.183571"
showUserLocation="true"
disableZoom="true"
disableRotation="true"
disableScroll="true"
disableTilt="true"
@mapReady="onMapReady($event)">
</Mapbox>
</ContentView>
<Label text="A test label"/>
</StackLayout>
</ScrollView>


When the component is mounted, I want to set the height of mapContainer to roughly 75% of the screen height. To do so, I have:



export default {
name: "MyPage",

mounted () {
this.$refs.mapContainer.height = platform.screen.mainScreen.heightDIPs
}

...

}


But this does nothing, and the ContentView remains at 500dp tall.



height is meant to be a setter, but I figure I'm missing a redraw (?) to get this change to take effect, but not sure how?










share|improve this question





























    1















    I have a Nativescript Vue component template defined as:



    <ScrollView>
    <StackLayout>
    <ContentView ref="mapContainer" height="500" width="100%">
    <Mapbox
    accessToken="my access key"
    mapStyle="outdoors-v9"
    hideCompass="true"
    zoomLevel="10.2" ,
    latitude="51.949266"
    longitude="-12.183571"
    showUserLocation="true"
    disableZoom="true"
    disableRotation="true"
    disableScroll="true"
    disableTilt="true"
    @mapReady="onMapReady($event)">
    </Mapbox>
    </ContentView>
    <Label text="A test label"/>
    </StackLayout>
    </ScrollView>


    When the component is mounted, I want to set the height of mapContainer to roughly 75% of the screen height. To do so, I have:



    export default {
    name: "MyPage",

    mounted () {
    this.$refs.mapContainer.height = platform.screen.mainScreen.heightDIPs
    }

    ...

    }


    But this does nothing, and the ContentView remains at 500dp tall.



    height is meant to be a setter, but I figure I'm missing a redraw (?) to get this change to take effect, but not sure how?










    share|improve this question

























      1












      1








      1








      I have a Nativescript Vue component template defined as:



      <ScrollView>
      <StackLayout>
      <ContentView ref="mapContainer" height="500" width="100%">
      <Mapbox
      accessToken="my access key"
      mapStyle="outdoors-v9"
      hideCompass="true"
      zoomLevel="10.2" ,
      latitude="51.949266"
      longitude="-12.183571"
      showUserLocation="true"
      disableZoom="true"
      disableRotation="true"
      disableScroll="true"
      disableTilt="true"
      @mapReady="onMapReady($event)">
      </Mapbox>
      </ContentView>
      <Label text="A test label"/>
      </StackLayout>
      </ScrollView>


      When the component is mounted, I want to set the height of mapContainer to roughly 75% of the screen height. To do so, I have:



      export default {
      name: "MyPage",

      mounted () {
      this.$refs.mapContainer.height = platform.screen.mainScreen.heightDIPs
      }

      ...

      }


      But this does nothing, and the ContentView remains at 500dp tall.



      height is meant to be a setter, but I figure I'm missing a redraw (?) to get this change to take effect, but not sure how?










      share|improve this question














      I have a Nativescript Vue component template defined as:



      <ScrollView>
      <StackLayout>
      <ContentView ref="mapContainer" height="500" width="100%">
      <Mapbox
      accessToken="my access key"
      mapStyle="outdoors-v9"
      hideCompass="true"
      zoomLevel="10.2" ,
      latitude="51.949266"
      longitude="-12.183571"
      showUserLocation="true"
      disableZoom="true"
      disableRotation="true"
      disableScroll="true"
      disableTilt="true"
      @mapReady="onMapReady($event)">
      </Mapbox>
      </ContentView>
      <Label text="A test label"/>
      </StackLayout>
      </ScrollView>


      When the component is mounted, I want to set the height of mapContainer to roughly 75% of the screen height. To do so, I have:



      export default {
      name: "MyPage",

      mounted () {
      this.$refs.mapContainer.height = platform.screen.mainScreen.heightDIPs
      }

      ...

      }


      But this does nothing, and the ContentView remains at 500dp tall.



      height is meant to be a setter, but I figure I'm missing a redraw (?) to get this change to take effect, but not sure how?







      nativescript nativescript-vue






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 26 '18 at 15:09









      codinghandscodinghands

      77521127




      77521127
























          1 Answer
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          In order to access the ContentView via refs, you must use .nativeView property.



          this.$refs.mapContainer.nativeView.height = platform.screen.mainScreen.heightDIPs


          Also you don't have to calculate the height but simply set the height in percentage (70%) instead of fixed value (500) Or use a GridLayout with 7 partition (7*).






          share|improve this answer
























          • Works perfectly, thank you. For some reason the Mapbox component requires a fixed height within a ScrollView otherwise it doesn't render.

            – codinghands
            Nov 26 '18 at 16:07












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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          2














          In order to access the ContentView via refs, you must use .nativeView property.



          this.$refs.mapContainer.nativeView.height = platform.screen.mainScreen.heightDIPs


          Also you don't have to calculate the height but simply set the height in percentage (70%) instead of fixed value (500) Or use a GridLayout with 7 partition (7*).






          share|improve this answer
























          • Works perfectly, thank you. For some reason the Mapbox component requires a fixed height within a ScrollView otherwise it doesn't render.

            – codinghands
            Nov 26 '18 at 16:07
















          2














          In order to access the ContentView via refs, you must use .nativeView property.



          this.$refs.mapContainer.nativeView.height = platform.screen.mainScreen.heightDIPs


          Also you don't have to calculate the height but simply set the height in percentage (70%) instead of fixed value (500) Or use a GridLayout with 7 partition (7*).






          share|improve this answer
























          • Works perfectly, thank you. For some reason the Mapbox component requires a fixed height within a ScrollView otherwise it doesn't render.

            – codinghands
            Nov 26 '18 at 16:07














          2












          2








          2







          In order to access the ContentView via refs, you must use .nativeView property.



          this.$refs.mapContainer.nativeView.height = platform.screen.mainScreen.heightDIPs


          Also you don't have to calculate the height but simply set the height in percentage (70%) instead of fixed value (500) Or use a GridLayout with 7 partition (7*).






          share|improve this answer













          In order to access the ContentView via refs, you must use .nativeView property.



          this.$refs.mapContainer.nativeView.height = platform.screen.mainScreen.heightDIPs


          Also you don't have to calculate the height but simply set the height in percentage (70%) instead of fixed value (500) Or use a GridLayout with 7 partition (7*).







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 26 '18 at 15:43









          ManojManoj

          7,70421024




          7,70421024













          • Works perfectly, thank you. For some reason the Mapbox component requires a fixed height within a ScrollView otherwise it doesn't render.

            – codinghands
            Nov 26 '18 at 16:07



















          • Works perfectly, thank you. For some reason the Mapbox component requires a fixed height within a ScrollView otherwise it doesn't render.

            – codinghands
            Nov 26 '18 at 16:07

















          Works perfectly, thank you. For some reason the Mapbox component requires a fixed height within a ScrollView otherwise it doesn't render.

          – codinghands
          Nov 26 '18 at 16:07





          Works perfectly, thank you. For some reason the Mapbox component requires a fixed height within a ScrollView otherwise it doesn't render.

          – codinghands
          Nov 26 '18 at 16:07




















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