JavaDocs for methods

app/src/main/java/com/zulip/android/ZulipApp.java

@@ -149,6 +149,9 @@ private void afterLogin() {
         setupEmoji();
     }
 
+    /**
+     * Fills the Emoji Table with the existing emoticons saved in the assets folder.
+     */
     private void setupEmoji() {
         try {
             final RuntimeExceptionDao<Emoji, Object> dao = getDao(Emoji.class);

app/src/main/java/com/zulip/android/activities/RecyclerMessageAdapter.java

@@ -164,6 +164,10 @@ public void setContextItemSelectedPosition(int adapterPosition) {
         setupLists(messageList);
     }
 
+    /**
+     * Add's a placeHolder value for Header and footer loading with values of 3-{@link #VIEWTYPE_HEADER} and 4-{@link #VIEWTYPE_FOOTER} respectively.
+     * So that for these placeHolder can be created a ViewHolder in {@link #onCreateViewHolder(ViewGroup, int)}
+     */
     private void setupHeaderAndFooterViews() {
         items.add(0, VIEWTYPE_HEADER); //Placeholder for header
         items.add(VIEWTYPE_FOOTER); //Placeholder for footer
@@ -215,6 +219,13 @@ else if (getItem(position) instanceof Integer && (Integer) getItem(position) ==
         }
     }
 
+    /**
+     * Add an old message to the current list and add those messages to the existing messageHeaders if no
+     * messageHeader is found then create a new messageHeader
+     * @param message Message to be added
+     * @param messageAndHeadersCount Count of the (messages + messageHeaderParent) added in the loop from where this function is being called
+     * @return returns true if a new messageHeaderParent is created for this message so as to increment the count by where this function is being called.
+     */
     public boolean addMessage(Message message, int messageAndHeadersCount) {
 
         int[] index = getHeaderAndNextIndex(message.getIdForHolder());
@@ -240,7 +251,11 @@ public boolean addMessage(Message message, int messageAndHeadersCount) {
         }
     }
 
-
+    /**
+     *  Add a new message to the bottom of the list and create a new messageHeaderParent if last did not match this message
+     *  Stream/subject or private recipients.
+     * @param message Message to be added
+     */
     public void addNewMessage(Message message) {
         MessageHeaderParent item = null;
         for (int i = getItemCount(false) - 1; i > 1; i--) {
@@ -357,6 +372,10 @@ public void onViewAttachedToWindow(RecyclerView.ViewHolder holder) {
             markThisMessageAsRead((Message) getItem(holder.getAdapterPosition()));
     }
 
+    /**
+     * This is called when the Message is bind to the Holder and attached, displayed in the window.
+     * @param message Mark this message read
+     */
     private void markThisMessageAsRead(Message message) {
         try {
             int mID = message.getID();
@@ -427,7 +446,11 @@ public Object getItem(int position) {
         return items.get(position);
     }
 
-
+    /**
+     * Return the size of the list with including or excluding footer
+     * @param includeFooter true to return the size including footer or false to return size excluding footer.
+     * @return
+     */
     public int getItemCount(boolean includeFooter) {
         if (includeFooter) return getItemCount();
         else return getItemCount() - 1;

app/src/main/java/com/zulip/android/activities/ZulipActivity.java

@@ -494,6 +494,10 @@ public Cursor runQuery(CharSequence charSequence) {
         messageEt.setAdapter(combinedAdapter);
     }
 
+    /**
+     * Returns a cursor for the combinedAdapter used to suggest Emoji when ':' is typed in the {@link #messageEt}
+     * @param emoji A string to search in the existing database
+     */
     private Cursor makeEmojiCursor(CharSequence emoji)
             throws SQLException {
         if (emoji == null) {
@@ -620,6 +624,9 @@ public void onAnimationRepeat(Animator animator) {
         animator.start();
     }
 
+    /**
+     * Setup the streams Drawer which has a {@link ExpandableListView} categorizes the stream and subject
+     */
     private void setupListViewAdapter() {
         ExpandableStreamDrawerAdapter streamsDrawerAdapter = null;
         Callable<Cursor> streamsGenerator = new Callable<Cursor>() {
@@ -722,6 +729,9 @@ public void onClick(View v) {
         streamsDrawer.setAdapter(streamsDrawerAdapter);
     }
 
+    /**
+     * Initiates the streams Drawer if the streams in the drawer is 0.
+     */
     public void checkAndSetupStreamsDrawer() {
         try {
             if (streamsDrawer.getAdapter().getCount() != 0) {
@@ -801,6 +811,9 @@ public void onTaskFailure(String result) {
         sender.execute();
     }
 
+    /**
+     * Disable chatBox and show a loading footer while sending the message.
+     */
     private void sendingMessage(boolean isSending) {
         streamActv.setEnabled(!isSending);
         textView.setEnabled(!isSending);
@@ -816,6 +829,15 @@ private void sendingMessage(boolean isSending) {
 
     private LinearLayout composeStatus;
 
+    /**
+     * Setup adapter's for the {@link AutoCompleteTextView}
+     *
+     * These adapters are being intialized -
+     *
+     * {@link #streamActvAdapter} Adapter for suggesting all the stream names in this AutoCompleteTextView
+     * {@link #emailActvAdapter} Adapter for suggesting all the person email's in this AutoCompleteTextView
+     * {@link #subjectActvAdapter} Adapter for suggesting all the topic for the stream specified in the {@link #streamActv} in this AutoCompleteTextView
+     */
     private void setUpAdapter() {
         streamActvAdapter = new SimpleCursorAdapter(
                 that, R.layout.stream_tile, null,
@@ -897,6 +919,10 @@ public Cursor runQuery(CharSequence charSequence) {
         sendingMessage(false);
     }
 
+    /**
+     * Creates a cursor to get the streams saved in the database
+     * @param streamName Filter out streams name containing this string
+     */
     private Cursor makeStreamCursor(CharSequence streamName)
             throws SQLException {
         if (streamName == null) {
@@ -915,6 +941,11 @@ private Cursor makeStreamCursor(CharSequence streamName)
                 .closeableIterator().getRawResults()).getRawCursor();
     }
 
+    /**
+     * Creates a cursor to get the topics in the stream in
+     * @param stream
+     * @param  subject Filter out subject containing this string
+     */
     private Cursor makeSubjectCursor(CharSequence stream, CharSequence subject)
             throws SQLException {
         if (subject == null) {
@@ -941,6 +972,10 @@ private Cursor makeSubjectCursor(CharSequence stream, CharSequence subject)
         return results.getRawCursor();
     }
 
+    /**
+     * Creates a cursor to get the E-Mails stored in the database
+     * @param email Filter out emails containing this string
+     */
     private Cursor makePeopleCursor(CharSequence email) throws SQLException {
         if (email == null) {
             email = "";
@@ -990,6 +1025,9 @@ private void removeEditTextErrors() {
         messageEt.setError(null);
     }
 
+    /**
+     * Switch from Private to Stream or vice versa in chatBox
+     */
     private void switchView() {
         if (isCurrentModeStream()) { //Person
             togglePrivateStreamBtn.setImageDrawable(ContextCompat.getDrawable(this, R.drawable.ic_action_bullhorn));
@@ -1109,6 +1147,9 @@ private void setupTitleBar(String title, String subtitle) {
         }
     }
 
+    /**
+     * This method creates a new Instance of the MessageListFragment and displays it with the filter.
+     */
     private void doNarrow(NarrowFilter filter) {
         narrowedList = MessageListFragment.newInstance(filter);
         // Push to the back stack if we are not already narrowed
@@ -1134,6 +1175,10 @@ public void onNarrowFillSendBoxPrivate(Person peopleList[], boolean openSoftKeyb
         }
     }
 
+    /**
+     * Fills the chatBox according to the {@link MessageType}
+     * @param openSoftKeyboard If true open's up the SoftKeyboard else not.
+     */
     @Override
     public void onNarrowFillSendBox(Message message, boolean openSoftKeyboard) {
         displayChatBox(true);
@@ -1155,6 +1200,12 @@ public void onNarrowFillSendBox(Message message, boolean openSoftKeyboard) {
         }
     }
 
+    /**
+     * Fills the chatBox with the stream name and the topic
+     * @param stream Stream name to be filled
+     * @param subject Subject to be filled
+     * @param openSoftKeyboard If true open's the softKeyboard else not
+     */
     public void onNarrowFillSendBoxStream(String stream, String subject, boolean openSoftKeyboard) {
         displayChatBox(true);
         displayFAB(false);
@@ -1292,6 +1343,10 @@ public void onClick(
         return true;
     }
 
+    /**
+     * Switches the current Day/Night mode to Night/Day mode
+     * @param nightMode which Mode {@link android.support.v7.app.AppCompatDelegate.NightMode}
+     */
     private void setNightMode(@AppCompatDelegate.NightMode int nightMode) {
         AppCompatDelegate.setDefaultNightMode(nightMode);
 
@@ -1380,6 +1435,9 @@ protected void onDestroy() {
         }
     }
 
+    /**
+     * Refresh the current user profile, removes all the tables from the database and reloads them from the server, reset the queue.
+     */
     private void onRefresh() {
         super.onResume();
 

app/src/main/java/com/zulip/android/networking/AsyncGetEvents.java

@@ -306,6 +306,10 @@ private void processEvents(JSONArray events) {
         }
     }
 
+    /**
+     * Add messages to the list {@link com.zulip.android.activities.MessageListFragment} which are already added to the database
+     * @param messages List of messages to be added
+     */
     private void processMessages(final ArrayList<Message> messages) {
         // In task thread
         int lastMessageId = messages.get(messages.size() - 1).getID();