React Native. Best way for scroll to element inside ScrollView












0














I have scroll view with some component.



<ScrollView ref={ref => this.contentRef = ref}>
<SomeComponent ref={ref => this.targetRef = ref}
</ScrollView>


What is the best way for scroll to SomeComponent but limit to ScrollView height?



My try:



if (this.contentRef && this.targetRef) {
const UIManager = NativeModules.UIManager;
UIManager.measure(findNodeHandle(this.contentRef), (contentX, contentY, contentW, contentH) => {
UIManager.measure(findNodeHandle(this.targetRef), (activeStepX, activeStepY) => {
const h = Dimensions.get('window').height;
if (activeStepY > contentH / 2) {
this.contentRef.scrollTo({ x: 0, y: h, animated });
} else {
this.contentRef.scrollTo({ x: 0, y: contentH, animated });
};
});
});
};


But if target very close to screen bottom, I have empty space on bottom (sorry, I need to hide any information).



enter image description here



But should to look like



enter image description here










share|improve this question



























    0














    I have scroll view with some component.



    <ScrollView ref={ref => this.contentRef = ref}>
    <SomeComponent ref={ref => this.targetRef = ref}
    </ScrollView>


    What is the best way for scroll to SomeComponent but limit to ScrollView height?



    My try:



    if (this.contentRef && this.targetRef) {
    const UIManager = NativeModules.UIManager;
    UIManager.measure(findNodeHandle(this.contentRef), (contentX, contentY, contentW, contentH) => {
    UIManager.measure(findNodeHandle(this.targetRef), (activeStepX, activeStepY) => {
    const h = Dimensions.get('window').height;
    if (activeStepY > contentH / 2) {
    this.contentRef.scrollTo({ x: 0, y: h, animated });
    } else {
    this.contentRef.scrollTo({ x: 0, y: contentH, animated });
    };
    });
    });
    };


    But if target very close to screen bottom, I have empty space on bottom (sorry, I need to hide any information).



    enter image description here



    But should to look like



    enter image description here










    share|improve this question

























      0












      0








      0







      I have scroll view with some component.



      <ScrollView ref={ref => this.contentRef = ref}>
      <SomeComponent ref={ref => this.targetRef = ref}
      </ScrollView>


      What is the best way for scroll to SomeComponent but limit to ScrollView height?



      My try:



      if (this.contentRef && this.targetRef) {
      const UIManager = NativeModules.UIManager;
      UIManager.measure(findNodeHandle(this.contentRef), (contentX, contentY, contentW, contentH) => {
      UIManager.measure(findNodeHandle(this.targetRef), (activeStepX, activeStepY) => {
      const h = Dimensions.get('window').height;
      if (activeStepY > contentH / 2) {
      this.contentRef.scrollTo({ x: 0, y: h, animated });
      } else {
      this.contentRef.scrollTo({ x: 0, y: contentH, animated });
      };
      });
      });
      };


      But if target very close to screen bottom, I have empty space on bottom (sorry, I need to hide any information).



      enter image description here



      But should to look like



      enter image description here










      share|improve this question













      I have scroll view with some component.



      <ScrollView ref={ref => this.contentRef = ref}>
      <SomeComponent ref={ref => this.targetRef = ref}
      </ScrollView>


      What is the best way for scroll to SomeComponent but limit to ScrollView height?



      My try:



      if (this.contentRef && this.targetRef) {
      const UIManager = NativeModules.UIManager;
      UIManager.measure(findNodeHandle(this.contentRef), (contentX, contentY, contentW, contentH) => {
      UIManager.measure(findNodeHandle(this.targetRef), (activeStepX, activeStepY) => {
      const h = Dimensions.get('window').height;
      if (activeStepY > contentH / 2) {
      this.contentRef.scrollTo({ x: 0, y: h, animated });
      } else {
      this.contentRef.scrollTo({ x: 0, y: contentH, animated });
      };
      });
      });
      };


      But if target very close to screen bottom, I have empty space on bottom (sorry, I need to hide any information).



      enter image description here



      But should to look like



      enter image description here







      react-native






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 16 '18 at 16:18









      indapublic

      1,11652341




      1,11652341
























          1 Answer
          1






          active

          oldest

          votes


















          1














          Something like using onLayout method



          https://facebook.github.io/react-native/docs/view#onlayout



          e.g



          <ScrollView> 
          <YourComponent onLayout={this.onLayout()} />
          </ScrollView>


          onLayout(e) {
          return e.nativeEvent.layout.h // e.g would be the height of your scroll view
          }





          share|improve this answer





















          • I still receive empty area below after I scrolled
            – indapublic
            Nov 18 '18 at 5:12










          • maybe try setting contentContainerStyle prop of ScrollView to {{ flex: 1 }} or {{ height: Dimensions.get("window").height }} or giving Your component some bottomPadding stylying, because ScrollView's prop overScrollMode is already set to 'auto' which allow a user to over-scroll the view only if the content is large enough to meaningfully scroll. hope these pointers could help helps
            – wijuwiju
            Nov 19 '18 at 7:29












          • Tried already - no difference. If I scroll by hand - scroll view will return to normal view
            – indapublic
            Nov 19 '18 at 7:36










          • @indapublic hey, did you manage to solve the problem in the end?
            – wijuwiju
            Nov 27 '18 at 18:19










          • nope behavior still exists
            – indapublic
            Nov 27 '18 at 23:36











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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          1














          Something like using onLayout method



          https://facebook.github.io/react-native/docs/view#onlayout



          e.g



          <ScrollView> 
          <YourComponent onLayout={this.onLayout()} />
          </ScrollView>


          onLayout(e) {
          return e.nativeEvent.layout.h // e.g would be the height of your scroll view
          }





          share|improve this answer





















          • I still receive empty area below after I scrolled
            – indapublic
            Nov 18 '18 at 5:12










          • maybe try setting contentContainerStyle prop of ScrollView to {{ flex: 1 }} or {{ height: Dimensions.get("window").height }} or giving Your component some bottomPadding stylying, because ScrollView's prop overScrollMode is already set to 'auto' which allow a user to over-scroll the view only if the content is large enough to meaningfully scroll. hope these pointers could help helps
            – wijuwiju
            Nov 19 '18 at 7:29












          • Tried already - no difference. If I scroll by hand - scroll view will return to normal view
            – indapublic
            Nov 19 '18 at 7:36










          • @indapublic hey, did you manage to solve the problem in the end?
            – wijuwiju
            Nov 27 '18 at 18:19










          • nope behavior still exists
            – indapublic
            Nov 27 '18 at 23:36
















          1














          Something like using onLayout method



          https://facebook.github.io/react-native/docs/view#onlayout



          e.g



          <ScrollView> 
          <YourComponent onLayout={this.onLayout()} />
          </ScrollView>


          onLayout(e) {
          return e.nativeEvent.layout.h // e.g would be the height of your scroll view
          }





          share|improve this answer





















          • I still receive empty area below after I scrolled
            – indapublic
            Nov 18 '18 at 5:12










          • maybe try setting contentContainerStyle prop of ScrollView to {{ flex: 1 }} or {{ height: Dimensions.get("window").height }} or giving Your component some bottomPadding stylying, because ScrollView's prop overScrollMode is already set to 'auto' which allow a user to over-scroll the view only if the content is large enough to meaningfully scroll. hope these pointers could help helps
            – wijuwiju
            Nov 19 '18 at 7:29












          • Tried already - no difference. If I scroll by hand - scroll view will return to normal view
            – indapublic
            Nov 19 '18 at 7:36










          • @indapublic hey, did you manage to solve the problem in the end?
            – wijuwiju
            Nov 27 '18 at 18:19










          • nope behavior still exists
            – indapublic
            Nov 27 '18 at 23:36














          1












          1








          1






          Something like using onLayout method



          https://facebook.github.io/react-native/docs/view#onlayout



          e.g



          <ScrollView> 
          <YourComponent onLayout={this.onLayout()} />
          </ScrollView>


          onLayout(e) {
          return e.nativeEvent.layout.h // e.g would be the height of your scroll view
          }





          share|improve this answer












          Something like using onLayout method



          https://facebook.github.io/react-native/docs/view#onlayout



          e.g



          <ScrollView> 
          <YourComponent onLayout={this.onLayout()} />
          </ScrollView>


          onLayout(e) {
          return e.nativeEvent.layout.h // e.g would be the height of your scroll view
          }






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 16 '18 at 16:40









          wijuwiju

          764




          764












          • I still receive empty area below after I scrolled
            – indapublic
            Nov 18 '18 at 5:12










          • maybe try setting contentContainerStyle prop of ScrollView to {{ flex: 1 }} or {{ height: Dimensions.get("window").height }} or giving Your component some bottomPadding stylying, because ScrollView's prop overScrollMode is already set to 'auto' which allow a user to over-scroll the view only if the content is large enough to meaningfully scroll. hope these pointers could help helps
            – wijuwiju
            Nov 19 '18 at 7:29












          • Tried already - no difference. If I scroll by hand - scroll view will return to normal view
            – indapublic
            Nov 19 '18 at 7:36










          • @indapublic hey, did you manage to solve the problem in the end?
            – wijuwiju
            Nov 27 '18 at 18:19










          • nope behavior still exists
            – indapublic
            Nov 27 '18 at 23:36


















          • I still receive empty area below after I scrolled
            – indapublic
            Nov 18 '18 at 5:12










          • maybe try setting contentContainerStyle prop of ScrollView to {{ flex: 1 }} or {{ height: Dimensions.get("window").height }} or giving Your component some bottomPadding stylying, because ScrollView's prop overScrollMode is already set to 'auto' which allow a user to over-scroll the view only if the content is large enough to meaningfully scroll. hope these pointers could help helps
            – wijuwiju
            Nov 19 '18 at 7:29












          • Tried already - no difference. If I scroll by hand - scroll view will return to normal view
            – indapublic
            Nov 19 '18 at 7:36










          • @indapublic hey, did you manage to solve the problem in the end?
            – wijuwiju
            Nov 27 '18 at 18:19










          • nope behavior still exists
            – indapublic
            Nov 27 '18 at 23:36
















          I still receive empty area below after I scrolled
          – indapublic
          Nov 18 '18 at 5:12




          I still receive empty area below after I scrolled
          – indapublic
          Nov 18 '18 at 5:12












          maybe try setting contentContainerStyle prop of ScrollView to {{ flex: 1 }} or {{ height: Dimensions.get("window").height }} or giving Your component some bottomPadding stylying, because ScrollView's prop overScrollMode is already set to 'auto' which allow a user to over-scroll the view only if the content is large enough to meaningfully scroll. hope these pointers could help helps
          – wijuwiju
          Nov 19 '18 at 7:29






          maybe try setting contentContainerStyle prop of ScrollView to {{ flex: 1 }} or {{ height: Dimensions.get("window").height }} or giving Your component some bottomPadding stylying, because ScrollView's prop overScrollMode is already set to 'auto' which allow a user to over-scroll the view only if the content is large enough to meaningfully scroll. hope these pointers could help helps
          – wijuwiju
          Nov 19 '18 at 7:29














          Tried already - no difference. If I scroll by hand - scroll view will return to normal view
          – indapublic
          Nov 19 '18 at 7:36




          Tried already - no difference. If I scroll by hand - scroll view will return to normal view
          – indapublic
          Nov 19 '18 at 7:36












          @indapublic hey, did you manage to solve the problem in the end?
          – wijuwiju
          Nov 27 '18 at 18:19




          @indapublic hey, did you manage to solve the problem in the end?
          – wijuwiju
          Nov 27 '18 at 18:19












          nope behavior still exists
          – indapublic
          Nov 27 '18 at 23:36




          nope behavior still exists
          – indapublic
          Nov 27 '18 at 23:36


















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