SpecificPostActivity¶

public class SpecificPostActivity extends AppCompatActivity implements FormatManager.IconUpdateListener ¶: Displays a particular Post along with its comments (PostReply). Also allows the user to add comments.

Fields¶

boldButton¶

ImageButton boldButton¶: Buttons for inline markup of the text of the reply

commentField¶

ListenableEditText commentField¶: Field for the user to enter a comment

content¶

TextView content¶: Body of the Post

cv¶

CardView cv¶: The View that holds the UI elements that make up the displayed Post

editTextOpened¶

boolean editTextOpened¶: Whether the “window” to write a reply is open. Starts off false

formatManager¶

FormatManager formatManager¶: Manages markup of the text of the reply

images¶

ImageView[] images¶: Array of images associated with the Post

loadingOverlay¶

FrameLayout loadingOverlay¶

personName¶

TextView personName¶: Name of the creator of the Post

personPhoto¶

ImageView personPhoto¶: Profile photo of the author of the Post

postButton¶

Button postButton¶: Button to submit a comment on the Post

postTypePhoto¶

ImageView postTypePhoto¶: Other photo associated with the Post

progressBar¶

ProgressBar progressBar¶: Progress bar for displaying the progress of network operations

queue¶

RequestQueue queue¶: Queue for asynchronous tasks

timestamp¶

TextView timestamp¶: When the Post was created

toggleButtons¶

SparseArray<ImageButton> toggleButtons¶: Tracks whether the inline markup buttons have been toggled to “on”

username¶

TextView username¶: Unique display name of the creator of the Post

writeReplyView¶

ConstraintLayout writeReplyView¶: Layout within which the compose reply UI elements are arranged

Methods¶

closeEditTextView¶

void closeEditTextView()¶: When the user selects out of the text field, the view will shrink back to its original position.

genResizeAnimation¶

void genResizeAnimation(int oldSize, int newSize, ConstraintLayout layout)¶

This little helper handles the animation involved in changing the size of the write reply view.

Parameters:	oldSize – start height, in pixels. newSize – final height, in pixels. layout – writeReplyView

onCreate¶

protected void onCreate(Bundle savedInstanceState)¶

Create the user interface from the layout defined by R.layout.activity_specific_post. Initialize instance fields with the UI elements defined in the layout. Setup listeners to handle loading more comments, clicks to post replies, and load the Post to display.

Parameters:	savedInstanceState – {@inheritDoc}

onStop¶

protected void onStop()¶: This ensures that we are canceling all network requests if the user is leaving this activity. We use a RequestFilter that accepts all requests (meaning it cancels all requests)

openEditTextView¶

void openEditTextView()¶: This function animates the bottom view to expand up, allowing for a greater text field as well as toggle buttons.

updateIconToggles¶

public void updateIconToggles(SparseBooleanArray formTogState, SparseArray<int[]> toggleIcons)¶

Update whether an icon has been “toggled”, or selected

Parameters:	formTogState – a SparseBooleanArray (HashMap) with int as key and boolean as value key: int id of toggleButton View we are using. value: true if toggled, false if not toggled. toggleIcons – a SparseArray (HashMap) with int as key and int[] as value. key: int id of toggleButton View we are using.