Pop Thrift Store Project

Project Overview

Pop Thrift Store app is the first project in the Android Kotlin Nanodegree Program from Udacity, it showcases a digital a store that sells used things such as clothes, books, and furniture.

Project Specification

Common Project Requirements

CRITERIA	MEETS SPECIFICATIONS
App is written solely in the Java Programming Language	App is written solely in the Java Programming Language
App conforms to common standards found in the Android Nanodegree General Project Guidelines NOTE: It is okay if the app does not handle rotation properly or does not restore the data using onSaveInstanceState/onRestoreInstanceState)	App conforms to common standards found in the Android Nanodegree General Project Guidelines NOTE: It is okay if the app does not handle rotation properly or does not restore the data using onSaveInstanceState/onRestoreInstanceState)
Submission must use stable release versions of all libraries, Gradle, and Android Studio. Debug/beta/canary versions are not acceptable.	App utilizes stable release versions of all libraries, Gradle, and Android Studio.

Code Quality

CRITERIA	MEETS SPECIFICATIONS
Correctly use ViewModel and LiveData lifecycle classes in an Android app	The Detail screen needs to add the new item to the view model. The listing screen should be listening to that model and show the new item.
Correctly implement Single Activity architecture	There should only be one activity: MainActivity. Each screen should be a fragment.
Write error-free code	The project's code is error-free.

Layouts

CRITERIA	MEETS SPECIFICATIONS
Create layouts using the correct ViewGroups and Views in an Android app.	The project correctly implements LinearLayout and ConstraintLayout to match the complexity of the layout of a page. Using code comments, the project justifies the use of ConstraintLayout or LinearLayout
Apply Databinding in Layouts to show the correct data to users in multiple layouts.	All layouts will use the <layout> tag to support Databinding. Detail screen uses the <data> element. Databinding is set to the appropriate setting in the app build.gradle file
Correctly use the <data> and <variable> elements within the layout.	The detail layout contains an element with the name of the variable and the class associated with it. All EditViews correctly refer to created class variable
Create a multi-screened Android Application using Android widgets.	The app contains at least 5 screens. The app contains correctly laid-out labels and edit fields for each screen. The app contains button positioned below the text fields
List screen uses ScrollView and LinearLayout for showing a list of items and one Floating Action button for going to the detail screen. Creates a layout for the item.	A new item layout is created for each item New item layout is added to LinearLayout Layout is updated with items added on the detail screen
Create a detail screen that shows two columns of labels and edit views to enter in a new item.	Layout created with a label & edit view for each item Uses data binding to save data Uses a save button to save data to view model

Navigation

CRITERIA	MEETS SPECIFICATIONS
Create a navigation file that correctly takes a user from one page to the next in an Android app	The app needs to traverse the following screens in the correct order: Login Welcome Instructions screen Listing screen Detail screens The app should also be able to navigate back via the back arrow or the back button. A navigation file has been created that defines a start destination. All destinations have a fragment, label and action associated with it.
Use Databinding for click listeners on a navigation screen in an Android app.	All code will use the DataBindingUtil class to inflate the layout. All click listeners are connected via the DataBindingUtil class and uses the NavController to navigate to the next screen.
Create a Logout menu to return to the Login screen.	This menu will appear only on the Shoe Listing screen and will return the user to the login screen

Showcase

Live Running

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