{"id":16410010,"url":"https://github.com/juliandavidmr/messengerudla","last_synced_at":"2026-05-14T01:32:56.490Z","repository":{"id":70333119,"uuid":"89556824","full_name":"juliandavidmr/MessengerUdla","owner":"juliandavidmr","description":"Aplicación móvil para mensajería instantánea usando Ionic 2 y Firebase. Demostración para el taller de desarrollo de aplicaciones móviles. 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Ionic 2 (Compatible con v3)\n    2. AngularFire2\n    3. Firebase\n\n* **Características**\n    1. Mensajes en tiempo real.\n    2. Soporte para registro de usuarios.\n    3. Detección de cambios automáticos.\n\n## **Capturas**\n\n\u003cimg src=\"./login.png\" title=\"Login\"/\u003e\n\u003cimg src=\"./chat.png\" title=\"chat\"/\u003e\n\n\n## **Desarrollo**\n\n### **Crear proyecto e instalar paquetes**\n\n- Crear proyecto con estilo tabs por defecto:\n```bash\n$ ionic start MessengerUdla --v2\n```\n\n- Instalar los paquetes necesarios para **Firebase**:\n```bash\n# Usando NPM\n$ npm istall angularfire2 firebase --save\n\n# O usando yarn\n$ yarn add angularfire2 firebase\n```\n\n### **Referenciar credenciales y tokens de Firebase**\nAgregar credenciales y tokens de configuración de Firebase.\n\n```ts\n// app.module.ts\n\nimport { AngularFireModule, AngularFire } from \"angularfire2\";\n```\n\nCrear objeto para archivos de configuración de Firebase:\n```ts\n// app.module.ts\n\nconst COMMON_CONFIG = {\n  apiKey: \"AIzaSyDw8eKS2GCZ8dePI-Dhs15DtF6ewtCpg1Q\",\n  authDomain: \"messenger-6168d.firebaseapp.com\",\n  databaseURL: \"https://messenger-6168d.firebaseio.com\",\n  storageBucket: \"messenger-6168d.appspot.com/\"\n};\n```\n\nReferenciar modulos de AngularFire en el `@ngModule`:\n```ts\n// app.module.ts\n\n@NgModule({\n  /* ... */,\n  imports: [\n    /* ... */\n    AngularFireModule.initializeApp(COMMON_CONFIG)\n  ],\n  /* ... */,\n  providers: [\n    /* ... */\n    AngularFire\n  ]\n})\nexport class AppModule { }\n```\n\n### **Crear elementos para Login**\n\nLa vista login permite registrar, ingresar y cerrar sesión. Para el registro es necesario unicamente un usuario y contraseña.\n**Importante:** El registro es necesario para poder enviar mensajes.\n\n\n**Crear pagina para Login**, en el archivo `login.ts` se deben colocar las referencias algunos componentes que provee `AngularFire`:\n\n```ts\n// login.ts\n\nimport { AngularFire, FirebaseListObservable, AuthProviders, AuthMethods } from \"angularfire2\";\n```\nPosteriormente, crear una instancia de `AngularFire` en el constructor: \n```ts\n// login.ts\n\nconstructor(\n  /* ... */\n  public af: AngularFire) {\n}\n```\n\nLas funciones para registrar, loguear y cerrar se sesión:\n\n\u003e crear usuario\n```ts\n// login.ts\n\ncrear(email, pass) {\n  this.af.auth.createUser({ email: email, password: pass }).then(res =\u003e {\n    console.log(\"Usuario creado:\", res)\n  }).catch(err =\u003e {\n    console.log(\"ERROR: \", err);\n  })\n}\n```\n\u003e logear usuario\n```ts\n// login.ts\nlogin(email, pass) {\n  this.af.auth.login(\n    {\n      email: email,\n      password: pass\n    }, {\n      provider: AuthProviders.Password,\n      method: AuthMethods.Password,\n    }\n  ).then(res =\u003e {\n    console.log(\"Usuario logueado:\", res)\n  }).catch(err =\u003e {\n    console.log(\"ERROR: \", err);\n  })\n}\n```\n\n\u003e cerrar sesión\n```ts\n// login.ts\nlogout() {\n  this.af.auth.logout().then(val =\u003e {\n    console.log(val);\n  }).catch(err =\u003e {\n    console.log(\"ERROR:\", err);\n\n  })\n}\n```\n\n\u003e login.html\n\nLa vista de iniciar sesión debe tener dos elementos de entrada de datos, para esto se hace uso de la directiva `[(ngModel)]`.\n\n```html\n\u003cion-header\u003e\n  \u003cion-navbar\u003e\n    \u003cion-title\u003eLogin\u003c/ion-title\u003e\n  \u003c/ion-navbar\u003e\n\u003c/ion-header\u003e\n\n\u003cion-content padding\u003e\n  \u003cion-item\u003e\n    \u003cion-label stacked\u003eCorreo\u003c/ion-label\u003e\n    \u003cion-input [(ngModel)]=\"email\" type=\"email\" placeholder=\"¿Cúal es tu correo?\"\u003e\u003c/ion-input\u003e\n  \u003c/ion-item\u003e\n  \u003cion-item\u003e\n    \u003cion-label stacked\u003eContraseña\u003c/ion-label\u003e\n    \u003cion-input [(ngModel)]=\"pass\" type=\"password\" placeholder=\"Contraseña\"\u003e\u003c/ion-input\u003e\n  \u003c/ion-item\u003e\n\n  \u003cbutton ion-button block (click)=\"crear(email, pass)\"\u003eCrear usuario\u003c/button\u003e\n  \u003cbutton ion-button block (click)=\"login(email, pass)\"\u003eEntrar\u003c/button\u003e\n\u003c/ion-content\u003e\n```\n\n### **Crear elementos para Home**\n\nLa página `Home` permite enviar y recibír mensajes de manera instantánea gracias a Firebase.\n\n\u003e home.ts\n\n```ts\nimport { Component } from '@angular/core';\nimport { NavController } from 'ionic-angular';\n\nimport { AngularFire, FirebaseListObservable } from \"angularfire2\";\n\n@Component({\n  selector: 'page-home',\n  templateUrl: 'home.html'\n})\nexport class HomePage {\n\n  mensaje: string = ''\n  mensajes: FirebaseListObservable\u003cany\u003e\n\n  constructor(\n      public navCtrl: NavController, \n      public af: AngularFire) {\n    this.mensajes = af.database.list('/mensajes')\n\n    console.log(this.mensajes)\n  }\n\n  enviar(mensaje:string) {\n    this.mensajes.push({\n      mensaje: mensaje,\n      fecha: (new Date()).toString(),\n      usuario: this.af.auth.getAuth().auth.email\n    })\n  }\n\n}\n```\n\n\u003e home.html\n```html\n\u003cion-header\u003e\n  \u003cion-navbar\u003e\n    \u003cion-title\u003eHome\u003c/ion-title\u003e\n  \u003c/ion-navbar\u003e\n\u003c/ion-header\u003e\n\n\u003cion-content padding\u003e\n  \u003cion-item\u003e\n    \u003cion-label stacked\u003eMensaje\u003c/ion-label\u003e\n    \u003cion-input [(ngModel)]=\"mensaje\" type=\"text\" placeholder=\"Escribe un mensaje\"\u003e\u003c/ion-input\u003e\n  \u003c/ion-item\u003e\n  \u003cbutton ion-button color=\"secondary\" outline full (click)=\"enviar(mensaje)\"\u003eEnviar\u003c/button\u003e\n  \u003cp\u003e\n    \u003cion-list\u003e\n      \u003cion-item *ngFor=\"let msg of mensajes | async\"\u003e\n        \u003ch2\u003e{{ msg.mensaje }}\u003c/h2\u003e\n        \u003ch3\u003e{{ msg.usuario }}\u003c/h3\u003e\n        \u003cp\u003e{{ msg.fecha }}\u003c/p\u003e\n      \u003c/ion-item\u003e\n    \u003c/ion-list\u003e\n  \u003c/p\u003e\n\u003c/ion-content\u003e\n```\n\n\n### Más información\n\n- [AngularFire2-Auth](https://github.com/angular/angularfire2/blob/master/docs/5-user-authentication.md)\n- [Auth Firebase](http://tphangout.com/ionic-2-authentication-using-firebase)\n- [Guía en inglés](https://www.joshmorony.com/building-a-crud-ionic-2-application-with-firebase-angularfire)\n- [Guía 2 en inglés](https://www.pluralsight.com/guides/front-end-javascript/using-angularfire2-to-build-ionic-2-firebase-apps)\n- [Quickstart firebase](https://firebase.google.com/docs/database/security/quickstart)","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjuliandavidmr%2Fmessengerudla","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjuliandavidmr%2Fmessengerudla","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjuliandavidmr%2Fmessengerudla/lists"}