This file is part of a new feature in Firebase Hosting that minimizes the size the time of a hosting deployment by only uploading the files that changed since the last deployment.  It&#39;s new in CLI version 4.2.0, and you can [read about that on GitHub][1].

As Frank suggested, you should definitely add the `.firebase` directory to your .gitignore or equivalent file, since it contains information that&#39;s not strictly part of your project, and is likely not applicable for everyone sharing and contributing to your project source code.


  [1]: https://github.com/firebase/firebase-tools/releases/tag/v4.2.0

I have seen axios documentation, but all it says is

    // Add a request interceptor
    axios.interceptors.request.use(function (config) {
        // Do something before request is sent
        return config;
      }, function (error) {
        // Do something with request error
        return Promise.reject(error);
      });
    
    // Add a response interceptor
    axios.interceptors.response.use(function (response) {
      // Do something with response data
      return response;
    }, function (error) {
      // Do something with response error
      return Promise.reject(error);
    });

Also many tutorials only show this code but I am confused what it is used for, can someone please give me simple example to follow.

How can you use axios interceptors?

Currently, I have an `AlertDialog` with an `IconButton`. The user can click on the IconButton, I have two colors for each click. The problem is that I need to close the AlertDialog and reopen to see the state change of the color icon. I want to change the IconButton color immediately when the user clicks it.

Here is the code:


                         

    bool pressphone = false;
    //....
    new IconButton(
       icon: new Icon(Icons.phone),
       color: pressphone ? Colors.grey : Colors.green,
       onPressed: () =&gt; setState(() =&gt; pressphone = !pressphone),
    ),
                        

How to refresh an AlertDialog in Flutter?

Today I deployed firebase hosting. After deployment, I noticed firebase creates file of `.firebase/hosting.ALPHANUM.cache`, where ALPHANUM is actually some random baseNN ish value.

### Question

* What is the purpose of this file?
* More especially, can I add this to `.gitignore`?
  * Or, I should not?

What&#39;s the purpose of .firebase/hosting. ALPHANUM.cache

<p>Today I deployed firebase hosting. After deployment, I noticed firebase creates file of <code>.firebase/hosting.ALPHANUM.cache</code>, where ALPHANUM is actually some random baseNN ish value.</p>
<h5 id="question"><a aria-hidden="true" tabindex="-1" href="#question"><span class="icon icon-link"></span></a>Question</h5>
<ul>
<li>What is the purpose of this file?</li>
<li>More especially, can I add this to <code>.gitignore</code>?
<ul>
<li>Or, I should not?</li>
</ul>
</li>
</ul>


I am trying to convert the below date to a javascript Date() object. When I get it back from the server, it is a Timestamp object, 

**Screenshot from Firebase Firestore console:**

[![enter image description here][1]][1]





When I try the following on a list of objects returned from firestore:

      list.forEach(a =&gt; {
        var d = a.record.dateCreated;
        console.log(d, new Date(d), Date(d))
      })



**I get this output:**
[![enter image description here][2]][2]


Clearly the Timestamps are all different, and are not all the same date of Sept 09, 2018 (which happens to be today). I&#39;m also not sure why `new Date(Timestamp)` results in an `invalid date`. I&#39;m a bit of a JS newbie, am I doing something wrong with the dates or timestamps?


  [1]: https://i.stack.imgur.com/Dz7gE.png
  [2]: https://i.stack.imgur.com/H5NEW.png


How do I convert a Firestore date/Timestamp to a JS Date()?

I want to update a doc like this:

    db.collection(&#39;users&#39;).doc(user_id).update({foo:&#39;bar&#39;})

However, if the doc user_id does not exists, the above code will throw an error.
Hence, how to tell Firestore to create the student if not exists, in other word, behave like this:

    db.collection(&#39;users&#39;).doc(user_id).set({foo:&#39;bar&#39;})

FireStore create a document if not exist

I am having some issues in the pod, see below

Launching lib/main.dart on iPhone X in debug mode...
Running pod install...
CocoaPods&#39; output:
↳
      Preparing
    
    Analyzing dependencies
    
    Inspecting targets to integrate
      Using `ARCHS` setting to build architectures of target `Pods-Runner`: (``)
    
    Fetching external sources
    -&gt; Fetching podspec for `Flutter` from `.symlinks/flutter/ios`
    -&gt; Fetching podspec for `cloud_firestore` from `.symlinks/plugins/cloud_firestore/ios`
    -&gt; Fetching podspec for `firebase_core` from `.symlinks/plugins/firebase_core/ios`
    -&gt; Fetching podspec for `shared_preferences` from `.symlinks/plugins/shared_preferences/ios`
    -&gt; Fetching podspec for `url_launcher` from `.symlinks/plugins/url_launcher/ios`
    
    Resolving dependencies of `Podfile`
    [!] CocoaPods could not find compatible versions for pod &quot;Firebase/Core&quot;:
      In Podfile:
        cloud_firestore (from `.symlinks/plugins/cloud_firestore/ios`) was resolved to 0.0.1, which depends on
          Firebase/Core
    
    Specs satisfying the `Firebase/Core` dependency were found, but they required a higher minimum deployment target.
    CocoaPods could not find compatible versions for pod &quot;GoogleUtilities/MethodSwizzler&quot;:
      In Podfile:
        cloud_firestore (from `.symlinks/plugins/cloud_firestore/ios`) was resolved to 0.0.1, which depends on
          Firebase/Core was resolved to 5.8.0, which depends on
            FirebaseAnalytics (= 5.1.2) was resolved to 5.1.2, which depends on
              GoogleUtilities/MethodSwizzler (~&gt; 5.2.0)
    
    Specs satisfying the `GoogleUtilities/MethodSwizzler (~&gt; 5.2.0)` dependency were found, but they required a higher minimum deployment target.
    CocoaPods could not find compatible versions for pod &quot;gRPC-Core&quot;:
      In Podfile:
        cloud_firestore (from `.symlinks/plugins/cloud_firestore/ios`) was resolved to 0.0.1, which depends on
          Firebase/Firestore was resolved to 5.8.0, which depends on
            FirebaseFirestore (= 0.13.3) was resolved to 0.13.3, which depends on
              gRPC-C++ (~&gt; 0.0.3) was resolved to 0.0.3, which depends on
                gRPC-C++/Implementation (= 0.0.3) was resolved to 0.0.3, which depends on
                  gRPC-Core (= 1.14.0)
    
        cloud_firestore (from `.symlinks/plugins/cloud_firestore/ios`) was resolved to 0.0.1, which depends on
          Firebase/Firestore was resolved to 5.8.0, which depends on
            FirebaseFirestore (= 0.13.3) was resolved to 0.13.3, which depends on
              gRPC-ProtoRPC (~&gt; 1.0) was resolved to 1.14.1, which depends on
                gRPC-ProtoRPC/Main (= 1.14.1) was resolved to 1.14.1, which depends on
                  gRPC (= 1.14.1) was resolved to 1.14.1, which depends on
                    gRPC/Main (= 1.14.1) was resolved to 1.14.1, which depends on
                      gRPC-Core (= 1.14.1)
    
    /Library/Ruby/Gems/2.3.0/gems/molinillo-0.6.5/lib/molinillo/resolution.rb:328:in `raise_error_unless_state&#39;
    /Library/Ruby/Gems/2.3.0/gems/molinillo-0.6.5/lib/molinillo/resolution.rb:310:in `block in unwind_for_conflict&#39;
    /Library/Ruby/Gems/2.3.0/gems/molinillo-0.6.5/lib/molinillo/resolution.rb:308:in `tap&#39;
    /Library/Ruby/Gems/2.3.0/gems/molinillo-0.6.5/lib/molinillo/resolution.rb:308:in `unwind_for_conflict&#39;
    /Library/Ruby/Gems/2.3.0/gems/molinillo-0.6.5/lib/molinillo/resolution.rb:684:in `attempt_to_activate&#39;
    /Library/Ruby/Gems/2.3.0/gems/molinillo-0.6.5/lib/molinillo/resolution.rb:254:in `process_topmost_state&#39;
    /Library/Ruby/Gems/2.3.0/gems/molinillo-0.6.5/lib/molinillo/resolution.rb:182:in `resolve&#39;
    /Library/Ruby/Gems/2.3.0/gems/molinillo-0.6.5/lib/molinillo/resolver.rb:43:in `resolve&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/resolver.rb:123:in `resolve&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:781:in `block in resolve_dependencies&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/user_interface.rb:64:in `section&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:779:in `resolve_dependencies&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:88:in `analyze&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:243:in `analyze&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:154:in `block in resolve_dependencies&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/user_interface.rb:64:in `section&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:153:in `resolve_dependencies&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:116:in `install!&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/command/install.rb:41:in `run&#39;
    /Library/Ruby/Gems/2.3.0/gems/claide-1.0.2/lib/claide/command.rb:334:in `run&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/command.rb:52:in `run&#39;
    /Library/Ruby/Gems/2.3.0/gems/cocoapods-1.5.3/bin/pod:55:in `&lt;top (required)&gt;&#39;
    /usr/local/bin/pod:22:in `load&#39;
    /usr/local/bin/pod:22:in `&lt;main&gt;&#39;
Error output from CocoaPods:
↳
        [33mWARNING: CocoaPods requires your terminal to be using UTF-8 encoding.
        Consider adding the following to ~/.profile:
    
        export LANG=en_US.UTF-8
        [0m
    
    [!] Automatically assigning platform `ios` with version `8.0` on target `Runner` because no platform was specified. Please specify a platform for this target in your Podfile. See `https://guides.cocoapods.org/syntax/podfile.html#platform`.
Error running pod install
Error launching application on iPhone X.


CocoaPods could not find compatible versions for pod &quot;Firebase/Core” | cloud_firestore, Flutter

Using Android Studio 3.3 Canary 11 with the gradle plugin version `3.3.0-alpha11`. It throws the following error when trying to sync gradle 

    WARNING: API &#39;variant.getExternalNativeBuildTasks()&#39; is obsolete and has been 
    replaced with &#39;variant.getExternalNativeBuildProviders()&#39;.
    It will be removed at the end of 2019.
    For more information, see https://d.android.com/r/tools/task-configuration- 
    avoidance
    Affected Modules: app

Clicking on the error leads me to this line in the gradle file 

    applicationVariants.all { variant -&gt;
                variant.outputs.all {
                    outputFileName = &quot;${variant.name}-${variant.versionName}.apk&quot;
                }
            }

What exactly do I need to change here?

project `build.gradle`

	// Top-level build file where you can add configuration options common to all sub-projects/modules.

	buildscript {
		repositories {
			jcenter()
			mavenCentral() // jcenter() works as well because it pulls from Maven Central
			maven { url &quot;https://maven.google.com&quot; }
			google()
		}

		dependencies {
			classpath &#39;com.android.tools.build:gradle:3.3.0-alpha11&#39;

			// NOTE: Do not place your application dependencies here; they belong
			// in the individual module build.gradle files
			classpath &quot;io.realm:realm-gradle-plugin:4.1.1&quot;
			classpath &#39;com.google.gms:google-services:3.2.1&#39;
			classpath &#39;com.google.firebase:firebase-plugins:1.1.5&#39;
		}
	}

	allprojects {
		repositories {
			jcenter()
			maven { url &quot;https://maven.google.com&quot; }
		}
	}

	task clean(type: Delete) {
		delete rootProject.buildDir
	}

	// Define versions in a single place
	ext {
		// Sdk and tools
		minSdkVersion = 21
		targetSdkVersion = 27
		compileSdkVersion = 27
		buildToolsVersion = &#39;27.0.3&#39;

		// App dependencies
		supportLibraryVersion = &#39;27.1.1&#39;
		appCompactLibraryVersion = &#39;27.1.1&#39;
		playServicesVersion = &#39;15.0.1&#39;
		firebaseVersionCore = &#39;16.0.1&#39;
		firebaseVersionPerf = &#39;16.0.0&#39;
		firebaseVersionMessaging = &#39;17.1.0&#39;

		//lottie
		lottieVersion = &#39;2.5.0&#39;
	}


app build.gradle 

	buildscript {
		repositories {
			maven { url &#39;https://maven.fabric.io/public&#39; }
		}

		dependencies {
			classpath &#39;io.fabric.tools:gradle:1.25.4&#39;
		}
		buildscript {
			repositories {
				maven { url &quot;https://maven.google.com&quot; }
				maven { url &#39;https://maven.fabric.io/public&#39; }
				mavenCentral()

			}

			dependencies {
				// These docs use an open ended version so that our plugin
				// can be updated quickly in response to Android tooling updates

				// We recommend changing it to the latest version from our changelog:
				// https://docs.fabric.io/android/changelog.html#fabric-gradle-plugin
				classpath &#39;io.fabric.tools:gradle:&#39;
			}
		}
	}
	apply plugin: &#39;com.android.application&#39;
	apply plugin: &#39;com.google.firebase.firebase-perf&#39;
	repositories {
		maven { url &#39;https://maven.fabric.io/public&#39; }
	}

	apply plugin: &#39;io.fabric&#39;
	apply plugin: &#39;realm-android&#39;

	android {

		realm {
			syncEnabled = false
		}

		dexOptions {
			javaMaxHeapSize &quot;4g&quot;
		}

		compileSdkVersion rootProject.ext.compileSdkVersion

		defaultConfig {
			applicationId &quot;example.com&quot;
			minSdkVersion rootProject.ext.minSdkVersion
			multiDexEnabled true
			versionCode mVersionCode
			versionName mVersionName
			vectorDrawables.useSupportLibrary = true

		}

		compileOptions {
			sourceCompatibility JavaVersion.VERSION_1_8
			targetCompatibility JavaVersion.VERSION_1_8
		}

		buildTypes {

			applicationVariants.all { variant -&gt;
				variant.outputs.all {
					outputFileName = &quot;${variant.name}-${variant.versionName}.apk&quot;
				}
			}

			release {
				shrinkResources true
				minifyEnabled true
				useProguard true
				proguardFiles getDefaultProguardFile(&#39;proguard-android.txt&#39;), &#39;proguard-rules.pro&#39;

				lintOptions {
					disable &#39;MissingTranslation&#39;
				}

				applicationVariants.all { variant -&gt;
					variant.outputs.all {
						outputFileName = &quot;${variant.name}-${variant.versionName}.apk&quot;
					}
				}

			}
			debug {
				shrinkResources true
				minifyEnabled true
				useProguard true
				debuggable true
				versionNameSuffix &#39;-DEBUG&#39;
				proguardFiles getDefaultProguardFile(&#39;proguard-android.txt&#39;), &#39;debug-proguard-rules.pro&#39;

				ext.enableCrashlytics = false
				crunchPngs false

			}
		}

		flavorDimensions &quot;default&quot;

		lintOptions {

			checkReleaseBuilds false

		}

		packagingOptions {
			exclude &#39;META-INF/DEPENDENCIES.txt&#39;
			exclude &#39;META-INF/LICENSE.txt&#39;
			exclude &#39;META-INF/NOTICE.txt&#39;
			exclude &#39;META-INF/NOTICE&#39;
			exclude &#39;META-INF/LICENSE&#39;
			exclude &#39;META-INF/DEPENDENCIES&#39;
			exclude &#39;META-INF/notice.txt&#39;
			exclude &#39;META-INF/license.txt&#39;
			exclude &#39;META-INF/dependencies.txt&#39;
			exclude &#39;META-INF/LGPL2.1&#39;
		}
		buildToolsVersion &#39;28.0.2&#39;
	}

	configurations {
		implementation.exclude group: &quot;org.apache.httpcomponents&quot;, module: &quot;httpclient&quot;
	}

	dependencies {
		implementation fileTree(include: [&#39;*.jar&#39;], dir: &#39;libs&#39;)

		implementation &quot;com.android.support:appcompat-v7:$rootProject.appCompactLibraryVersion&quot;
		implementation &quot;com.android.support:support-compat:$rootProject.supportLibraryVersion&quot;
		implementation &quot;com.android.support:mediarouter-v7:$rootProject.supportLibraryVersion&quot;
		implementation &quot;com.android.support:cardview-v7:$rootProject.supportLibraryVersion&quot;
		implementation &quot;com.android.support:design:$rootProject.supportLibraryVersion&quot;


		api &#39;com.squareup.retrofit2:retrofit:2.4.0&#39;
		api &#39;com.squareup.okhttp3:okhttp:3.11.0&#39;
		api &#39;com.squareup.okhttp3:logging-interceptor:3.10.0&#39;
		implementation &#39;com.google.code.gson:gson:2.8.2&#39;
		implementation &#39;com.squareup.retrofit2:converter-gson:2.3.0&#39;
		implementation &#39;com.squareup.picasso:picasso:2.5.2&#39;
		implementation &#39;com.squareup.retrofit2:adapter-rxjava:2.3.0&#39;
		implementation &#39;com.android.support:multidex:1.0.3&#39;
		implementation &#39;com.daimajia.easing:library:2.0@aar&#39;
		implementation &#39;com.daimajia.androidanimations:library:2.3@aar&#39;

		implementation &#39;com.akexorcist:googledirectionlibrary:1.0.5&#39;
		implementation &#39;io.reactivex:rxandroid:1.2.1&#39;
		implementation &#39;io.reactivex:rxjava:1.3.0&#39;
		// Wifi hotspot library
		implementation &#39;cc.mvdan.accesspoint:library:0.2.0&#39;
		implementation &#39;com.android.support.constraint:constraint-layout:1.1.3&#39;
		implementation &#39;org.jsoup:jsoup:1.10.3&#39;
		api &quot;com.airbnb.android:lottie:$rootProject.lottieVersion&quot;
		implementation &#39;com.android.support:support-v4:27.1.1&#39;
		implementation &#39;com.android.support:recyclerview-v7:27.1.1&#39;
		testImplementation &#39;junit:junit:4.12&#39;
		implementation &#39;com.jakewharton:butterknife:8.8.1&#39;

		debugImplementation &#39;com.squareup.leakcanary:leakcanary-android:1.5.4&#39;
		releaseImplementation &#39;com.squareup.leakcanary:leakcanary-android-no-op:1.5.4&#39;

		implementation &#39;com.googlecode.libphonenumber:libphonenumber:8.2.0&#39;

		implementation &quot;com.google.android.gms:play-services-base:$rootProject.playServicesVersion&quot;
		implementation &quot;com.google.android.gms:play-services-cast-framework:$rootProject.playServicesVersion&quot;
		implementation &quot;com.google.android.gms:play-services-auth:$rootProject.playServicesVersion&quot;
		implementation &quot;com.google.android.gms:play-services-identity:$rootProject.playServicesVersion&quot;
		implementation &quot;com.google.android.gms:play-services-awareness:$rootProject.playServicesVersion&quot;
		implementation &quot;com.google.android.gms:play-services-cast:$rootProject.playServicesVersion&quot;
		implementation &quot;com.google.android.gms:play-services-drive:$rootProject.playServicesVersion&quot;
		implementation &quot;com.google.android.gms:play-services-location:$rootProject.playServicesVersion&quot;
		implementation &quot;com.google.android.gms:play-services-maps:$rootProject.playServicesVersion&quot;

		implementation &quot;com.google.firebase:firebase-core:$rootProject.firebaseVersionCore&quot;
		implementation &quot;com.google.firebase:firebase-perf:$rootProject.firebaseVersionPerf&quot;
		implementation &quot;com.google.firebase:firebase-messaging:$rootProject.firebaseVersionMessaging&quot;
		implementation &quot;com.google.firebase:firebase-analytics:$rootProject.firebaseVersionCore&quot;


		api(&#39;com.crashlytics.sdk.android:crashlytics:2.8.0@aar&#39;) {
			transitive = true
		}
		api(&#39;com.crashlytics.sdk.android:answers:1.4.1@aar&#39;) {
			transitive = true
		}
		annotationProcessor &#39;com.jakewharton:butterknife-compiler:8.8.1&#39;
		api project(path: &#39;:libraryBTHelper&#39;)
		api project(&#39;:bkk_rush&#39;)

		debugApi &#39;com.amitshekhar.android:debug-db:1.0.3&#39;
		api &quot;org.jdeferred:jdeferred-android-aar:1.2.6&quot;
		implementation &#39;com.android.support:gridlayout-v7:27.1.1&#39;
	}

	apply plugin: &#39;com.google.gms.google-services&#39;

I have skipped out a few constants and other sensitive information in the app/build.gradle file.

API &#39;variant.getExternalNativeBuildTasks()&#39; is obsolete and has been replaced with &#39;variant.getExternalNativeBuildProviders()


I&#39;ve set up multiple different indexes on my Firestore development database. Now, I would like to export them into the ```firestore.indexes.json``` so that the process of setting up prod environment would be easier. Is there a way to export those indexes using Firebase CLI? The same applies to security rules, although I know that I can copy paste them.



How to export security and index rules from Firestore?

I&#39;ve created Firebase Dynamic Links in other projects before using the page.link URL prefix (the only option at the time). However that no longer appears to be an option when enabling Dynamic Links for a new project today. It looks like the [docs for custom domains](https://firebase.google.com/docs/dynamic-links/custom-domains) were updated today. Unfortunately, while they provide some helpful examples, they don&#39;t explain how to resolve my issue in a way that I can understand.

[![error configuring dynamic links for custom domain][1]][1]

So this message seems to indicate that I need to &quot;Put links under a subpath&quot;. It seems to me that adding the `/link` path prefix here should accomplish that? But after making that change, I get the same error message.

&gt; It looks like you already have content served on this Hosting site. Put links under a subpath to avoid conflicts with existing content.

I order to try to work around this, I went to my project and added the suggested Hosting configuration and deployed it.

firebase.json:
```json
{
  &quot;hosting&quot;: {
    &quot;public&quot;: &quot;dist&quot;,
    &quot;ignore&quot;: [
      &quot;**/.*&quot;
    ],
    &quot;appAssociation&quot;: &quot;AUTO&quot;,
    &quot;rewrites&quot;: [
      {
        &quot;source&quot;: &quot;/link/**&quot;,
        &quot;dynamicLinks&quot;: true
      },
      {
        &quot;source&quot;: &quot;**&quot;,
        &quot;destination&quot;: &quot;/index.html&quot;
      }
    ]
  }
}
```
Even after waiting an hour, I keep getting the same error and I don&#39;t understand what to do.

Note that I have the rewrite to `/index.html` because I have an Angular Single Page Application hosted at www.devintent.com.

No matter what I do, I keep getting this error and the `Continue` button stays disabled. I tried using my naked domain devintent.com instead of www.devintent.com, but that didn&#39;t help. I tried using links.devintent.com, but got the same error. 

If I manually remove `disabled` from the `Continue` button, then I get this error message:

[![configure path prefix manually message][2]][2]
This links to the [docs for manually configuring hosting for dynamic links](https://firebase.google.com/docs/dynamic-links/custom-domains?authuser=0#manual) which has some steps that I&#39;ve already completed. Clicking the `Check Again` button just takes me back to the same error in the first image above.

---

Workaround to not use Custom Domains

I&#39;m happy at this time to use a `page.link` link, I just need to create a Dynamic Link and get unblocked on this task, but I can&#39;t figure out any way in the console to allow me to do that either.

Update on this: I figured out that I needed to add the subdomain to the `page.link` URL. The tooltip says &quot;or a free Google-provided domain (for example, yourapp.page.link)&quot; at the end. This is a little less prominent that I would have liked (as I didn&#39;t find it for quite a long time). Using `devintent.page.link` works for me as a workaround for now.

--- 

However, I&#39;m not sure why the Custom Domain configuration didn&#39;t work and why it would be the default if there are such complications with projects with existing Hosting configurations and custom domains.

  [1]: https://i.stack.imgur.com/VtNBJ.png
  [2]: https://i.stack.imgur.com/Cr34I.png

Unable to add Firebase Dynamic Links to a project using a custom domain

I`m trying to set up firebase functions, but I get an error after running firebase init.

Error: HTTP Error: 401, Request had invalid authentication credentials. Expected OAuth 2 access token, login cookie or other valid authentication credential. See https://developers.google.com/identity/sign-in/web/devconsole-project.

[![enter image description here][1]][1]


  [1]: https://i.stack.imgur.com/7CYWO.jpg

HTTP Error: 401 while setting up firebase cloud functions for android project

I am attempting to write an onCall function for Firebase Cloud Functions that performs advanced querying tasks on a firestore database (i.e. checking a text query up against AutoML natural lang to get a category, etc) but I keep running into a problem trying to query the database from the function:

```
Error getting documents ::  Error: Could not load the default credentials. Browse to https://cloud.google.com/docs/authentication/getting-started for more information.
    at GoogleAuth.getApplicationDefaultAsync (/srv/node_modules/google-auth-library/build/src/auth/googleauth.js:161:19)
    at &lt;anonymous&gt;
    at process._tickDomainCallback (internal/process/next_tick.js:229:7)
```

Function:
```
const functions = require(&#39;firebase-functions&#39;);
const admin = require(&#39;firebase-admin&#39;);
admin.initializeApp();
const db = admin.firestore();

exports.query = functions.https.onCall((data, context) =&gt; {
    const text = data.text;
    var results = [];
    const promise = db.collection(&#39;providers&#39;).get()
    promise.then((snapshot) =&gt; {
        console.log(&#39;marker&#39;);
        snapshot.forEach((doc) =&gt; {
            results.push({id: doc.id, data: doc.data()});
        });
        console.log(&#39;yessir&#39;);
        return {results: results};
    }).catch((err) =&gt; {
        console.log(&#39;Error getting documents :: &#39;, err)
        console.log(&#39;nosir&#39;);
        return {results: &quot;no results&quot;};
    });
});
```

Longer output:
```
Function execution started
Function execution took 8ms, finished with status code: 200
Error getting documents :: (etc, same error)
nosir
```

Example 2 (no change in running):
```
Function execution started
Function execution took 1200 ms, finished with status code: 200
marker
yessir
```

I can&#39;t figure out where this problem is coming from or how to resolve it.
Any help?

Regards.

Error: Could not load the default credentials (Firebase function to firestore)

When i make my first deploy function I can&#39;t deploying Because I have Error Asks me to make Upgrade to my account to Blaze I need to Know Can i deploy Function when i use free account??

Output:

    i  deploying functions
    i  functions: ensuring required API cloudfunctions.googleapis.com is enabled...
    i  functions: ensuring required API cloudbuild.googleapis.com is enabled...
    !  functions: missing required API cloudbuild.googleapis.com. Enabling now...
    +  functions: required API cloudfunctions.googleapis.com is enabled
    
    Error: Cloud Functions deployment requires the pay-as-you-go (Blaze) billing plan. To upgrade your project, visit the following URL:
    
    https://console.firebase.google.com/project/institute-for-admin/usage/details
    
    For additional information about this requirement, see Firebase FAQs:
    
    https://firebase.google.com/support/faq#functions-runtime

Content Type	Original Author	Original Content on Stackoverflow
Question	Yuki Inoue	View Question on Stackoverflow
Solution 1 - Firebase	Doug Stevenson	View Answer on Stackoverflow

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