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Project 3 - Instagram

Instagram is a photo sharing app using Parse as its backend.

Time spent: 30 hours spent in total

User Stories

The following required functionality is completed:

  • User sees app icon in home screen.
  • User can sign up to create a new account using Parse authentication
  • User can log in and log out of his or her account
  • The current signed in user is persisted across app restarts
  • User can take a photo, add a caption, and post it to "Instagram"
  • User can view the last 20 posts submitted to "Instagram"
  • User can pull to refresh the last 20 posts submitted to "Instagram"
  • User can tap a post to view post details, including timestamp and caption.

The following stretch features are implemented:

  • Style the login page to look like the real Instagram login page.
  • Style the feed to look like the real Instagram feed.
  • User should switch between different tabs - viewing all posts (feed view), capture (camera and photo gallery view) and profile tabs (posts made) using a Bottom Navigation View.
  • User can load more posts once he or she reaches the bottom of the feed using infinite scrolling.
  • Show the username and creation time for each post
  • After the user submits a new post, show an indeterminate progress bar while the post is being uploaded to Parse
  • User Profiles:
    • Allow the logged in user to add a profile photo
    • Display the profile photo with each post
    • Tapping on a post's username or profile photo goes to that user's profile page
  • User can comment on a post and see all comments for each post in the post details screen.
  • User can like a post and see number of likes for each post in the post details screen.
  • Create a custom Camera View on your phone.
  • Run your app on your phone and use the camera to take the photo

The following additional features are implemented:

  • Animations on the like button
  • Animations on the shutter
  • Front facing camera on the user profile selector
  • Used an ItemDecoration to add even spacing between grid elements on the profile page
  • Used the CameraX library to embed the camera in the app
  • Used the MediaPicker library to select images from any directory on the phone
  • Query the database to check if a username has already been taken as the user is inputting it
  • Animate transitions in the authentication activity using a view animator

Please list two areas of the assignment you'd like to discuss further with your peers during the next class (examples include better ways to implement something, how to extend your app in certain ways, etc):

  1. Best practices for structuring apps
  2. When to use fragments vs activities

Video Walkthrough

Here's a walkthrough of implemented user stories:

Video Walkthrough

Video Walkthrough

GIF created with LiceCap.

Credits

List an 3rd party libraries, icons, graphics, or other assets you used in your app.

Notes

Describe any challenges encountered while building the app.

License

Copyright [yyyy] [name of copyright owner]

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.