E-Book

#firebase #swiftui #firestore #firestorage #firebaseauth #property #wrappers #@biding

Capitulo 3: Property Wrappers ejemplo: 2

import SwiftUI

struct User {
    var name: String
}

struct UserView: View {
    @Binding var user: User
    
    var body: some View {
        VStack {
            Text("Hello, \(user.name)")
            TextField("Enter your name", text: $user.name)
        }
    }
}

struct ContentView: View {
    @State var user = User(name: "John Doe")
    
    var body: some View {
        UserView(user: $user)
    }
}

#firebase #swiftui #firestore #firestorage #firebaseauth #property #wrappers #@biding #@environment

Capitulo 3: Property Wrappers ejemplo: 3

import SwiftUI

struct UserSettings {
    var fontSize: CGFloat = 17
}

struct UserView: View {
    @EnvironmentObject var userSettings: UserSettings
    
    var body: some View {
        VStack {
            Text("Hello, World")
                .font(.system(size: userSettings.fontSize))
            Slider(value: $userSettings.fontSize, in: 10...30)
        }
    }
}

struct ContentView: View {
    var body: some View {
        UserView().environmentObject(UserSettings())
    }
}

#firebase #swiftui #firestore #firestorage #firebaseauth #property #wrappers #@biding #@environment #@stateobject

Capitulo 3: Property Wrappers ejemplo: 4

import SwiftUI

class UserData: ObservableObject {
    @Published var name: String = "John Doe"
}

struct UserView: View {
    @StateObject var userData: UserData
    
    var body: some View {
        VStack {
            Text("Hello, \(userData.name)")
            TextField("Enter your name", text: $userData.name)
        }
    }
}

struct ContentView: View {
    var body: some View {
        UserView(userData: UserData())
    }
}

#firebase #swiftui #firestore #firestorage #firebaseauth #property #wrappers #@biding #@environment #@stateobject #@observedobject

Capitulo 3: Property Wrappers ejemplo: 5

import SwiftUI

class UserData: ObservableObject {
    @Published var name: String = "John Doe"
}

struct UserView: View {
    @ObservedObject var userData: UserData
    
    var body: some View {
        VStack {
            Text("Hello, \(userData.name)")
            TextField("Enter your name", text: $userData.name)
        }
    }
}

struct ContentView: View {
    var body: some View {
        UserView(userData: UserData())
    }
}

#firebase #swiftui #firestore #firestorage #firebaseauth #property #wrappers #@biding #@environment #@stateobject #@observedobject #@propertywrapper

Capítulo 4: Creando nuestros propios Property Wrappers

import SwiftUI

// Capítulo 4: Creando nuestros propios Property Wrappers

@propertyWrapper
struct UpperCase {
    private(set) var value: String
    
    var wrappedValue: String {
        get { value }
        set { value = newValue.uppercased() }
    }
    
    init(wrappedValue: String) {
        self.value = wrappedValue.uppercased()
    }
}

struct User {
    @UpperCase var name: String
}

struct UserView: View {
    @ObservedObject var user: User
    
    var body: some View {
        VStack {
            Text("Hello, \(user.name)")
            TextField("Enter your name", text: $user.name)
        }
    }
}

struct ContentView: View {
     var body: some View {
       UserView(user: User(name: "John Doe"))
     }
}

#firebase #swiftui #firestore #firestorage #firebaseauth #property #wrappers #@biding #@environment #@stateobject #@observedobject #@propertywrapper

Capítulo 5: Casos de Uso Avanzados de Property Wrappers en SwiftUI.

import SwiftUI

// Capítulo 5: Casos de Uso Avanzados de Property Wrappers en SwiftUI.
// Ejemplo: Combinando diferentes Property Wrappers...

class UserData: ObservableObject {
    @Published var name: String = "John Doe"
}

@propertyWrapper
struct UpperCase {
    private(set) var value: String
    
    var wrappedValue: String {
        get { value }
        set { value = newValue.uppercased() }
    }
    
    init(wrappedValue: String) {
        self.value = wrappedValue.uppercased()
    }
}

struct User {
    @UpperCase var name: String
}

struct UserView: View {
    @ObservedObject var userData: UserData
    
    var body: some View {
        VStack {
            Text("Hello, \(userData.name)")
            TextField("Enter your name", text: $userData.name)
        }
    }
}

struct ContentView: View {
    @ObservedObject var userData = UserData()
    @State var user = User(name: "John Doe")
    
    var body: some View {
        VStack {
            UserView(userData: userData)
            Text("Hello, \(user.name)")
            TextField("Enter your name", text: $user.name)
        }
    }
}

#firebase #swiftui #firestore #firestorage #firebaseauth #property #wrappers #@biding #@environment #@stateobject #@observedobject #@propertywrapper

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#firebase

Sign in via email

$fire.auth().signInWithEmailAndPassword(email, password)

#firebase

sign in via third party provider

const provider = new this.$fireModule.auth.GoogleAuthProvider()
this.$fire.auth
	.signInWithPopup(provider)
	.catch((error) => alert(error))
	.then((data) => console.log(data.user, data.credential.accessToken))

#kotlin #downloadfile #firebase #firebasestorage #downloadprogress

download file from firebase storage with progress

  private fun downloadfile(
        filUrl: String,
        filePath: String,
        completion: (response: String) -> Unit
    ) {

        binding.progressBar.max = 100
        binding.progressBar.setProgress(0)
        binding.progressTextView.setText("0")

        val storage = FirebaseStorage.getInstance()
        val storageRef =
            storage.getReferenceFromUrl(filUrl)

        val localFile = File(filePath)

        storageRef.getFile(localFile)
            .addOnProgressListener {
                Log.e(TAG, "downloadfile: " + it.bytesTransferred + "/" + it.totalByteCount)
                if (it.totalByteCount.toInt() != -1) {
                    val progress: Double = 100.0 * it.bytesTransferred / it.totalByteCount
                    binding.progressBar.setProgress(progress.toInt())
                    binding.progressTextView.setText(progress.toInt().toString())
                }

            }
            .addOnSuccessListener(object : OnSuccessListener<FileDownloadTask.TaskSnapshot?> {
                override fun onSuccess(taskSnapshot: FileDownloadTask.TaskSnapshot?) {
                    Log.e(
                        TAG,
                        "downloadfile:onSuccess: ;local tem file created  created $localFile"
                    )
                    completion("1")
                }
            }).addOnFailureListener(object : OnFailureListener {
                override fun onFailure(@NonNull exception: java.lang.Exception) {
                    Log.e(
                        TAG,
                        "downloadfile:onFailure: ;local tem file not created  created $exception"
                    )
                    completion("downloadfile:onFailure: ;local tem file not created  created $exception")
                }
            })
    }

#firebase #swiftui #firestore #firestorage #firebaseauth

Capítulo 2: Configuración de Firebase

import Firebase
import FirebaseCore

#firebase #swiftui #firestore #firestorage #firebaseauth

Capítulo 2.1: Configuración de Firebase

FirebaseApp.configure()

#firebase #swiftui #firestore #firestorage #firebaseauth

Capítulo 3: Uso de bases de datos en tiempo real de Firebase

import Firebase
import FirebaseDatabase

#firebase #swiftui #firestore #firestorage #firebaseauth

Capítulo 3.1: Uso de bases de datos en tiempo real de Firebase

let ref = Database.database().reference()

#firebase #swiftui #firestore #firestorage #firebaseauth

capítulo 3.2: Uso de bases de datos en tiempo real de Firebase

// Escribir datos
ref.child("users").child("userId").setValue(["name": "John", "age": 30])

// Leer datos
ref.child("users").child("userId").observeSingleEvent(of: .value) { (snapshot) in
  if let value = snapshot.value as? [String: Any] {
    let name = value["name"] as? String ?? ""
    let age = value["age"] as? Int ?? 0
    print("Name: \(name), Age: \(age)")
  }
}

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