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Gustavo Contreiras 605fc27dba Set maxWidth and maxHeight on pickImage()

If you don't do that, many devices won't show image thumbnail after taking picture with the native camera using rear view (because resolution / size is too big).

https://dustinstout.com/instagram-sizes/

"For Instagram landscape images, the smallest I have tested on was at 1920×1080 which Instagram then displayed at 600×337. As it turns out, though, Instagram ended up storing a version that is 1080×607."

"Vertical images (or portrait) will display at a maximum of 480×600 (or 960×1200 for retina display). However it looks like Instagram is storing the photos at a maximum of 1080×1350 on its servers."

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README.md

Fluttergram

A working Instagram clone written in Flutter using Firebase / Firestore

Demo

Download the release APK to try out Fluttergram

I update Fluttergram with new features and bugs fixes, but the apk may be behind master. Take a look at the changelog to see the most recent additions.

Features

Custom photo feed based on who you follow (using firebase cloud functions)
Post photo posts from camera or gallery
- Like posts
- Comment on posts
  - View all comments on a post
Search for users
Profile Pages
- Follow / Unfollow Users
- Change image view from grid layout to feed layout
- Add your own bio
Activity Feed showing recent likes / comments of your posts + new followers

Screenshots

feed example upload photo example go to a profile from feed edit profile example comment and activity feed example

Dependencies

Getting started

1. Setup Flutter

2. Clone the repo

$ git clone https://github.com/mdanics/fluttergram.git
$ cd fluttergram/

3. Setup the firebase app

You'll need to create a Firebase instance. Follow the instructions at https://console.firebase.google.com.
Once your Firebase instance is created, you'll need to enable anonymous authentication.

Go to the Firebase Console for your new instance.
Click "Authentication" in the left-hand menu
Click the "sign-in method" tab
Click "Google" and enable it

Create Cloud Functions (to make the Feed work)

Create a new firebase project with firebase init
Copy this project's functions/lib/index.js to your firebase project's functions/index.js
Push the function getFeed with firebase deploy --only functions In the output, you'll see the getFeed URL, copy that.
Replace the url in the _getFeed function in feed.dart with your cloud function url from the previous step.

If this does not work and you get the error Error: Error parsing triggers: Cannot find module './notificationHandler' Try following these steps. If you are still unable to get it to work please open a new issue.

If you are getting no errors, but an empty feed You must follow users with posts as the getFeed function only returns posts from people you follow.

Enable the Firebase Database

Go to the Firebase Console
Click "Database" in the left-hand menu
Click the Cloudstore "Create Database" button
Select "Start in test mode" and "Enable"

(skip if not running on Android)

Create an app within your Firebase instance for Android, with package name com.yourcompany.news
Run the following command to get your SHA-1 key:

keytool -exportcert -list -v \
-alias androiddebugkey -keystore ~/.android/debug.keystore

In the Firebase console, in the settings of your Android app, add your SHA-1 key by clicking "Add Fingerprint".
Follow instructions to download google-services.json
place google-services.json into /android/app/.

(skip if not running on iOS)

Create an app within your Firebase instance for iOS, with your app package name
Follow instructions to download GoogleService-Info.plist
Open XCode, right click the Runner folder, select the "Add Files to 'Runner'" menu, and select the GoogleService-Info.plist file to add it to /ios/Runner in XCode
Open /ios/Runner/Info.plist in a text editor. Locate the CFBundleURLSchemes key. The second item in the array value of this key is specific to the Firebase instance. Replace it with the value for REVERSED_CLIENT_ID from GoogleService-Info.plist

Double check install instructions for both

Google Auth Plugin
- https://pub.dartlang.org/packages/firebase_auth
Firestore Plugin
- https://pub.dartlang.org/packages/cloud_firestore

What's Next?

Notificaitons for likes, comments, follows, etc
Improve Caching of Profiles, Images, Etc.
Better post creation, add filters to your image
Custom Camera Implementation
Animations (heart when liking image)
Firebase Security Rules
Delete Posts
Registration without Google SignIn
Direct Messaging
Stories
Clean up code

Languages

Dart 91.6%

TypeScript 5.4%

Ruby 1.8%

Objective-C 1%

Java 0.2%