Popular Movies, Stage 2

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.

App conforms to common standards found in the Android Nanodegree General Project Guidelines.

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.

UI contains an element (e.g., a spinner or settings menu) to toggle the sort order of the movies by: most popular, highest rated.

UI contains an element (e.g., a spinner or settings menu) to toggle the sort order of the movies by: most popular, highest rated.

Movies are displayed in the main layout via a grid of their corresponding movie poster thumbnails.

Movies are displayed in the main layout via a grid of their corresponding movie poster thumbnails.

UI contains a screen for displaying the details for a selected movie.

UI contains a screen for displaying the details for a selected movie.

Movie Details layout contains title, release date, movie poster, vote average, and plot synopsis.

Movie Details layout contains title, release date, movie poster, vote average, and plot synopsis.

Movie Details layout contains a section for displaying trailer videos and user reviews.

Movie Details layout contains a section for displaying trailer videos and user reviews.

When a user changes the sort criteria (most popular, highest rated, and favorites) the main view gets updated correctly.

When a user changes the sort criteria (most popular, highest rated, and favorites) the main view gets updated correctly.

When a movie poster thumbnail is selected, the movie details screen is launched.

When a movie poster thumbnail is selected, the movie details screen is launched.

When a trailer is selected, app uses an Intent to launch the trailer.

When a trailer is selected, app uses an Intent to launch the trailer.

In the movies detail screen, a user can tap a button (for example, a star) to mark it as a Favorite. Tap the button on a favorite movie will unfavorite it.

In the movies detail screen, a user can tap a button (for example, a star) to mark it as a Favorite. Tap the button on a favorite movie will unfavorite it.

In a background thread, app queries the /movie/popular or /movie/top_rated API for the sort criteria specified in the settings menu.

OR

Acceptable until April 8, 2016: In a background thread, app queries the /discover/movies API with the query parameter for the sort criteria specified in the settings menu. (Note: Each sorting criteria is a different API call.)

This query can also be used to fetch the related metadata needed for the detail view.

In a background thread, app queries the /movie/popular or /movie/top_rated API for the sort criteria specified in the settings menu.

App requests for related videos for a selected movie via the /movie/{id}/videos endpoint in a background thread and displays those details when the user selects a movie.

App requests for related videos for a selected movie via the /movie/{id}/videos endpoint in a background thread and displays those details when the user selects a movie.

App requests for user reviews for a selected movie via the /movie/{id}/reviews endpoint in a background thread and displays those details when the user selects a movie.

App requests for user reviews for a selected movie via the /movie/{id}/reviews endpoint in a background thread and displays those details when the user selects a movie.

The titles and IDs of the user’s favorite movies are stored in a native SQLite database and exposed via a ContentProvider
OR
stored using Room.

Data is updated whenever the user favorites or unfavorites a movie. No other persistence libraries are used.

The titles and IDs of the user’s favorite movies are stored in a native SQLite database and exposed via a ContentProvider
OR
stored using Room.

Data is updated whenever the user favorites or unfavorites a movie. No other persistence libraries are used.

When the "favorites" setting option is selected, the main view displays the entire favorites collection based on movie ids stored in the database.

When the "favorites" setting option is selected, the main view displays the entire favorites collection based on movie ids stored in the database.

If Room is used, database is not re-queried unnecessarily. LiveData is used to observe changes in the database and update the UI accordingly.

If Room is used, database is not re-queried unnecessarily. LiveData is used to observe changes in the database and update the UI accordingly.

If Room is used, database is not re-queried unnecessarily after rotation. Cached LiveData from ViewModel is used instead.

If Room is used, database is not re-queried unnecessarily after rotation. Cached LiveData from ViewModel is used instead.