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iOS snippets used in firebase.google.com

License: Apache License 2.0

Shell 0.41% Objective-C 51.79% Swift 46.56% Ruby 1.20% C 0.05%

snippets-ios's Introduction

Firebase iOS Snippets

This repository holds code snippets used in iOS documentation on firebase.google.com.

Contributing

We love contributions! See CONTRIBUTING.md for guidelines.

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snippets-ios's Issues

Apploginng

https://github.com/firebase/snippets-ios/blame/32beb7ccbe823ce9d7fbd2efb17e92ab57d3b61f/installations/InstallationsSnippets/AppDelegate.swift#L33

Incrementing counter throws error

The following function doesn't work:

func incrementCounter(ref: DocumentReference, numShards: Int) {
        // Select a shard of the counter at random
        let shardId = Int(arc4random_uniform(UInt32(numShards)))
        let shardRef = ref.collection("shards").document(String(shardId))

        shardRef.updateData([
            "count": FieldValue.increment(Int64(1))
        ])
    }

The FieldValue.increment(Int64(1)) part throws the following error:

Unsupported type: FSTNumericIncrementFieldValue (found in field count) (FIRInvalidArgumentException)

Value of type 'NSObject' has no member 'data' -- custom objects

snippets-ios/firestore/swift/firestore-smoketest/ViewController.swift

Lines 755 to 773 in 6057cc7

    
           let docRef = db.collection("cities").document("BJ") 
        
           docRef.getDocument { (document, error) in 
        
               let result = Result { 
        
                   try document.flatMap { 
        
                       try $0.data(as: City.self) 
        
                   } 
        
               } 
        
               switch result { 
        
               case .success(let city): 
        
                   if let city = city { 
        
                       print("City: \(city)") 
        
                   } else { 
        
                       print("Document does not exist") 
        
                   } 
        
               case .failure(let error): 
        
                   print("Error decoding city: \(error)") 
        
               } 
        
           }

System information (OS, Device, etc): macOS 10.15.3, Xcode 11.3.1

What steps will reproduce the problem:

Use the snippet in a Firestore project

What is the expected result?
The snippet will cast the Firestore document to the given type

What happens instead of that?
Error: "Value of type 'NSObject' has no member 'data'

Code, logs, or screenshot that illustrate the problem:

Use of deprecated function

I have noticed on https://firebase.google.com/docs/auth/ios/google-signin page under "Authenticate with Firebase" the use of a deprecated method while implementing the same in my iOS application

Here are snapshots:

Can we change the snippet code to new function?

範例的 CardActionFiamDelegate 實例在創建後被回收掉

可能原因是 FIRInAppMessagingDisplayDelegate 為 weak var

get() snippets should check for document existence

See:
firebase/snippets-android@2a401e1

Checking for snapshot nullity is not enough.

Count not available

snippets-ios/firestore/swift/firestore-smoketest/ViewController.swift

Lines 1277 to 1284 in a38496b

    
           let query = db.collection("cities").whereField("state", isEqualTo: "CA") 
        
           let countQuery = query.count 
        
           do { 
        
               let snapshot = try await countQuery.getAggregation(source: .server) 
        
               print(snapshot.count) 
        
           } catch { 
        
               print(error); 
        
           }

Doest seem like count variable exists anywhere in the SDK, im used Firebase v 9.6.0

Add Travis CI for build verification

Code in this repository should be automatically verified for at least compilation, and correctness as a bonus. Travis would be ideal for consistency but whatever is easiest.

feature requests leads to nothing

In CONTRIBUTING.md, the Feature Requests sub-cat (that should be at: https://github.com/firebase/snippets-ios/blob/master/CONTRIBUTING.md#feature) leads to nothing. Should it be added/removed?

	let docRef = db.collection("cities").document("BJ")

	docRef.getDocument { (document, error) in
	let result = Result {
	try document.flatMap {
	try $0.data(as: City.self)
	}
	}
	switch result {
	case .success(let city):
	if let city = city {
	print("City: \(city)")
	} else {
	print("Document does not exist")
	}
	case .failure(let error):
	print("Error decoding city: \(error)")
	}
	}

	let query = db.collection("cities").whereField("state", isEqualTo: "CA")
	let countQuery = query.count
	do {
	let snapshot = try await countQuery.getAggregation(source: .server)
	print(snapshot.count)
	} catch {
	print(error);
	}