How to fix "Property __ does not exist on type 'unknown' "

2019-08-13 03:23 PUMPkinNET imported from Stackoverflow

I'm trying to map data coming in from my Cloud Firestore collection and tried to call a specific type of key coming in. Instead it spat out Property 'desc' does not exist on type 'unknown'.ts(2339) in my IDE. Any reason why this is occurring?


descArray;
idArray;
buses = [];

...

.subscribe(res => {
      console.log(res)
      this.descArray = res.map(thisbus => thisbus.payload.doc.data().desc);
      console.log(this.descArray);
      this.idArray = res.map(thisbus => thisbus.payload.doc.data().UID);
      console.log(this.idArray);

      for(let i in this.descArray) {
        console.log(this.descArray[i])
        console.log(this.idArray[i])

        this.buses.push({
          id: this.idArray[i],
          desc: this.descArray[i]
        })
      }

EDIT: I put in a debugger line and did console.log(thisbus.payload.doc.data()) and returned this:

{UID: "001", desc: "Bus 33", lat: 47.522775, long: -121.82}
UID: "001"
desc: "Bus 33"
lat: 47.522775
long: -121.82
__proto__:
constructor: ƒ Object()
hasOwnProperty: ƒ hasOwnProperty()
isPrototypeOf: ƒ isPrototypeOf()
propertyIsEnumerable: ƒ propertyIsEnumerable()
toLocaleString: ƒ toLocaleString()
toString: ƒ ()
valueOf: ƒ valueOf()
__defineGetter__: ƒ __defineGetter__()
__defineSetter__: ƒ __defineSetter__()
__lookupGetter__: ƒ __lookupGetter__()
__lookupSetter__: ƒ __lookupSetter__()
get __proto__: ƒ __proto__()
set __proto__: ƒ __proto__()

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html file:

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                <h2>
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import { Component } from '@angular/core';
import { WebService } from './web.service';
import { ActivatedRoute } from '@angular/router';
import { FormBuilder, Validators } from '@angular/forms' 

@Component({
 selector: 'episode',
 templateUrl: './episode.component.html',
 styleUrls: ['./episode.component.css']
})
export class EpisodeComponent{

    reviewForm;

    constructor(private webService: WebService, private route: ActivatedRoute,private formBuilder: FormBuilder) 
    {
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            username:['',Validators.required],
            comment:['',Validators.required],
            rating:5
        })
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    ngOnInit()
    {
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    isUntouched()
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        return this.reviewForm.controls.username.pristine ||
        this.reviewForm.controls.comment.pristine;
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    isIncomplete()
    {
        this.isInvalid('username')||
        this.isInvalid('comment')||
        this.isUntouched();
    }
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Error while retrieving data from firebase?

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Here's my code:

TextEditingController promoController = TextEditingController();

void initState() {
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    auth.onAuthStateChanged.listen((u) {
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 if (promoCode != null && promoCode.isNotEmpty) {
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          if (documentData['price_reduction'] != null) {
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          setState(() {
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i was not able to add my code here,so i have given all the things related to promocode above please kindly check,if someone wants more explanation about the problem i can give them.

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[ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: type 'String' is not a subtype of type 'num'
E/flutter (29549): #0      _MyAppState._onChanged.<anonymous closure>.<anonymous closure> (package:fire/main.dart:109:36)
E/flutter (29549): #1      State.setState (package:flutter/src/widgets/framework.dart:1148:30)
E/flutter (29549): #2      _MyAppState._onChanged.<anonymous closure> (package:fire/main.dart:108:13)
E/flutter (29549): #3      _rootRunUnary (dart:async/zone.dart:1134:38)
E/flutter (29549): #4      _CustomZone.runUnary (dart:async/zone.dart:1031:19)
E/flutter (29549): #5      _FutureListener.handleValue (dart:async/future_impl.dart:140:18)
E/flutter (29549): #6      Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
E/flutter (29549): #7      Future._propagateToListeners (dart:async/future_impl.dart:711:32)
E/flutter (29549): #8      Future._completeWithValue (dart:async/future_impl.dart:526:5)
E/flutter (29549): #9      _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:33:15)
E/flutter (29549): #10     _completeOnAsyncReturn (dart:async-patch/async_patch.dart:291:13)
E/flutter (29549): #11     Query.getDocuments (package:cloud_firestore/src/query.dart)
E/flutter (29549): <asynchronous suspension>
E/flutter (29549): #12     _MyAppState._onChanged (package:fire/main.dart:102:12)
E/flutter (29549): #13     _MyAppState.build.<anonymous closure> (package:fire/main.dart:719:23)
E/flutter (29549): #14     _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:706:14)
E/flutter (29549): #15     _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:789:36)
E/flutter (29549): #16     GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:182:24)
E/flutter (29549): #17     TapGestureRecognizer.handleTapUp (package:flutter/src/gestures/tap.dart:486:11)
E/flutter (29549): #18     BaseTapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:264:5)
E/flutter (29549): #19     BaseTapGestureRecognizer.acceptGesture (package:flutter/src/gestures/tap.dart:236:7)
E/flutter (29549): #20     GestureArenaManager.sweep (package:flutter/src/gestures/arena.dart:156:27)
E/flutter (29549): #21     GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:222:20)
E/flutter (29549): #22     GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:198:22)
E/flutter (29549): #23     GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:156:7)
E/flutter (29549): #24     GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:102:7)
E/flutter (29549): #25     GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:86:7)
E/flutter (29549): #26     _rootRunUnary (dart:async/zone.dart:1138:13)
E/flutter (29549): #27     _CustomZone.runUnary (dart:async/zone.dart:1031:19)
E/flutter (29549): #28     _CustomZone.runUnaryGuarded (dart:async/zone.dart:933:7)
E/flutter (29549): #29     _invoke1 (dart:ui/hooks.dart:273:10)
E/flutter (29549): #30     _dispatchPointerDataPacket (dart:ui/hooks.dart:182:5)

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friends I just implement code for the View pager. But now I am stuck with the problem that how to fetch a collection from the firestore into a view pager. Means I have a collection in that collection I have 2 documents. each document has some parameters. I want the "mSliderImage" parameter will be fetched into a ViewPager from each and every document.

My Code Some How Looks Like This.

I am using some dependencies for my custom viewpager.

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            android:layout_height="wrap_content"
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            android:layout_marginBottom="25dp"
            android:padding="6dp"
            android:textColor="#FFF"
            android:textSize="18sp" />

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<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
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        android:layout_width="match_parent"
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        app:sliderAutoCycleEnabled="true"
        app:sliderCircularHandlerEnabled="true"
        app:sliderIndicatorAnimationDuration="600"
        app:sliderIndicatorGravity="right|bottom"
        app:sliderIndicatorMargin="15dp"
        app:sliderIndicatorOrientation="horizontal"
        app:sliderIndicatorPadding="3dp"
        app:sliderIndicatorRadius="2dp"
        app:sliderIndicatorSelectedColor="#5A5A5A"
        app:sliderIndicatorUnselectedColor="#FFF"
        app:sliderScrollTimeInSec="7"
        app:sliderStartAutoCycle="true" />

</androidx.cardview.widget.CardView>

home_fragment.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/background"
    android:fitsSystemWindows="true"
    android:overScrollMode="never"
    android:scrollbars="none">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:descendantFocusability="blocksDescendants"
        android:orientation="vertical">

        <include layout="@layout/main_header"/>
</LinearLayout>
</ScrollView>

Java Codes:

Adapter Code: "The Images which get fetched in below switch cases code are an image which directly comes from google. Instead of this, I want image will get fetched from firebase firestore "Banner" collection for each document having "mSliderImage" parameter"

public class SliderImageAdapter extends SliderViewAdapter<SliderImageAdapter.SliderAdapterVH> {

private Context context;
private int mCount;

public SliderImageAdapter(Context context) {
    this.context = context;
}

public void setCount(int count) {
    this.mCount = count;
}

@Override
public SliderAdapterVH onCreateViewHolder(ViewGroup parent) {
    View inflate = LayoutInflater.from(parent.getContext()).inflate(R.layout.image_slider_myshop, null);
    return new SliderAdapterVH(inflate);
}

@Override
public void onBindViewHolder(SliderAdapterVH viewHolder, final int position) {

    viewHolder.itemView.setOnClickListener(new View.OnClickListener() {

    switch (position) {
        case 0:
            Glide.with(viewHolder.itemView)
                    .load("https://laz-img-cdn.alicdn.com/images/ims-web/TB1pHADjBr0gK0jSZFnXXbRRXXa.jpg_1200x1200.jpg")
                    .fitCenter()
                    .into(viewHolder.imageViewBackground);
            break;
        case 1:
            Glide.with(viewHolder.itemView)
                    .load(" switch (position) {
        case 0:
            Glide.with(viewHolder.itemView)
                    .load(" switch (position) {
        case 0:
            Glide.with(viewHolder.itemView)
                    .load("https://www.arihantwebtech.com/images/design-notice/banner-design.png")
                    .fitCenter()
                    .into(viewHolder.imageViewBackground);
            break;
        case 1:
            Glide.with(viewHolder.itemView)
                    .load("https://www.arihantwebtech.com/images/design-notice/banner-design.png")
                    .fitCenter()
                    .into(viewHolder.imageViewBackground);
            break;")
                    .fitCenter()
                    .into(viewHolder.imageViewBackground);
            break;
        case 1:
            Glide.with(viewHolder.itemView)
                    .load("https://www.arihantwebtech.com/images/design-notice/banner-design.png")
                    .fitCenter()
                    .into(viewHolder.imageViewBackground);
            break;")
                    .fitCenter()
                    .into(viewHolder.imageViewBackground);
            break;

    }
}

public int getCount() {
    //slider view count could be dynamic size
    return mCount;
}

class SliderAdapterVH extends SliderViewAdapter.ViewHolder {

    View itemView;
    ImageView imageViewBackground;
    ImageView imageGifContainer;
    TextView textViewDescription;

    public SliderAdapterVH(View itemView) {
        super(itemView);
        imageViewBackground = itemView.findViewById(R.id.iv_auto_image_slider);
        imageGifContainer = itemView.findViewById(R.id.iv_gif_container);
        textViewDescription = itemView.findViewById(R.id.tv_auto_image_slider);
        this.itemView = itemView;
    }
}
}

Home Fragment Code:

SliderView sliderMyshop;
 public static Fragment newInstance() {
        Bundle args = new Bundle();
        HomeFragment fragment = new HomeFragment();
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (savedInstanceState == null) {

        }
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 public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable final Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.home_fragment, container, false);

        sliderMyshop = view.findViewById(R.id.imageSlider);

final SliderImageAdapter sliderImageAdapter = new SliderImageAdapter(getContext());
        sliderImageAdapter.setCount(4);
        sliderMyshop.setSliderAdapter(sliderImageAdapter);
        sliderMyshop.setIndicatorAnimation(IndicatorAnimations.WORM); //set indicator animation by using SliderLayout.IndicatorAnimations. :WORM or THIN_WORM or COLOR or DROP or FILL or NONE or SCALE or SCALE_DOWN or SLIDE and SWAP!!
        sliderMyshop.setSliderTransformAnimation(SliderAnimations.SIMPLETRANSFORMATION);
        sliderMyshop.setIndicatorSelectedColor(Color.WHITE);
        sliderMyshop.setIndicatorUnselectedColor(Color.GRAY);
        sliderMyshop.startAutoCycle();
        sliderMyshop.setOnIndicatorClickListener(new DrawController.ClickListener() {
            @Override
            public void onIndicatorClicked(int position) {
                sliderMyshop.setCurrentPagePosition(position);
            }
        });

I am also attaching the pic of the

Cannot change region of functions on flutter
Ive switched my functions regions from the US default and I cannot find a way to call them in flutter?

Is there a method of setting the region on the CloudFunctions instance or when you make the function calls

Thanks for the help.

I have managed to get this to work
```
 CloudFunctions(app: FirebaseApp.instance, region: "europe-west2").getHttpsCallable(functionName: functionName);
```
But I am no longer using the singleton.

Is this a bad solution?

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