Add a boolean variable isSendingMessage to avoid sending multiple messages before the first message is sent in ViewPrivateMessageActivity. When the message is being sent, the send button will have a secondary text color. Use wrap_content for comment content in item_comment.

app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewPrivateMessagesActivity.java

@@ -92,6 +92,9 @@ public class ViewPrivateMessagesActivity extends BaseActivity implements Activit
     private String mUserAvatar;
     private ArrayList<ProvideUserAvatarCallback> mProvideUserAvatarCallbacks;
     private LoadUserDataAsyncTask mLoadUserDataAsyncTask;
+    private boolean isSendingMessage = false;
+    private int mSecondaryTextColor;
+    private int mSendMessageIconColor;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -114,9 +117,6 @@ public class ViewPrivateMessagesActivity extends BaseActivity implements Activit
         Intent intent = getIntent();
         privateMessage = intent.getParcelableExtra(EXTRA_PRIVATE_MESSAGE);
 
-        if (privateMessage != null) {
-            mToolbar.setTitle(privateMessage.getSubject());
-        }
         setSupportActionBar(mToolbar);
         setToolbarGoToTop(mToolbar);
 
@@ -151,6 +151,23 @@ public class ViewPrivateMessagesActivity extends BaseActivity implements Activit
     }
 
     private void bindView() {
+        if (privateMessage != null) {
+            if (privateMessage.getAuthor().equals(mAccountName)) {
+                mToolbar.setTitle(privateMessage.getDestination());
+                mToolbar.setOnClickListener(view -> {
+                    Intent intent = new Intent(this, ViewUserDetailActivity.class);
+                    intent.putExtra(ViewUserDetailActivity.EXTRA_USER_NAME_KEY, privateMessage.getDestination());
+                    startActivity(intent);
+                });
+            } else {
+                mToolbar.setTitle(privateMessage.getAuthor());
+                mToolbar.setOnClickListener(view -> {
+                    Intent intent = new Intent(this, ViewUserDetailActivity.class);
+                    intent.putExtra(ViewUserDetailActivity.EXTRA_USER_NAME_KEY, privateMessage.getAuthor());
+                    startActivity(intent);
+                });
+            }
+        }
         mAdapter = new PrivateMessagesDetailRecyclerViewAdapter(this, mSharedPreferences,
                 getResources().getConfiguration().locale, privateMessage, mAccountName, mCustomThemeWrapper);
         mLinearLayoutManager = new LinearLayoutManager(this);
@@ -159,63 +176,72 @@ public class ViewPrivateMessagesActivity extends BaseActivity implements Activit
         mRecyclerView.setAdapter(mAdapter);
         goToBottom();
         mSendImageView.setOnClickListener(view -> {
-            if (!mEditText.getText().toString().equals("")) {
+            if (!isSendingMessage) {
-                //Send Message
+                if (!mEditText.getText().toString().equals("")) {
-                if (privateMessage != null) {
+                    //Send Message
-                    Message replyTo;
+                    if (privateMessage != null) {
-                    ArrayList<Message> replies = privateMessage.getReplies();
+                        Message replyTo;
-                    if (replies != null && !replies.isEmpty()) {
+                        ArrayList<Message> replies = privateMessage.getReplies();
-                        replyTo = replies.get(replies.size() - 1);
-                    } else {
-                        replyTo = privateMessage;
-                    }
-                    if (replyTo != null) {
-                        ReplyMessage.replyMessage(mEditText.getText().toString(), replyTo.getFullname(),
-                                getResources().getConfiguration().locale, mOauthRetrofit, mAccessToken,
-                                new ReplyMessage.ReplyMessageListener() {
-                                    @Override
-                                    public void replyMessageSuccess(Message message) {
-                                        if (mAdapter != null) {
-                                            mAdapter.addReply(message);
-                                        }
-                                        goToBottom();
-                                        mEditText.setText("");
-                                        EventBus.getDefault().post(new RepliedToPrivateMessageEvent(message, getIntent().getIntExtra(EXTRA_MESSAGE_POSITION, -1)));
-                                    }
-
-                                    @Override
-                                    public void replyMessageFailed(String errorMessage) {
-                                        if (errorMessage != null && !errorMessage.equals("")) {
-                                            Snackbar.make(mCoordinatorLayout, errorMessage, Snackbar.LENGTH_LONG).show();
-                                        } else {
-                                            Snackbar.make(mCoordinatorLayout, R.string.reply_message_failed, Snackbar.LENGTH_LONG).show();
-                                        }
-                                    }
-                                });
-                        StringBuilder fullnames = new StringBuilder();
-                        if (privateMessage.isNew()) {
-                            fullnames.append(privateMessage.getFullname()).append(",");
-                        }
                         if (replies != null && !replies.isEmpty()) {
-                            for (Message m : replies) {
+                            replyTo = replies.get(replies.size() - 1);
-                                if (m.isNew()) {
+                        } else {
-                                    fullnames.append(m).append(",");
+                            replyTo = privateMessage;
+                        }
+                        if (replyTo != null) {
+                            isSendingMessage = true;
+                            mSendImageView.setColorFilter(mSecondaryTextColor, android.graphics.PorterDuff.Mode.SRC_IN);
+                            ReplyMessage.replyMessage(mEditText.getText().toString(), replyTo.getFullname(),
+                                    getResources().getConfiguration().locale, mOauthRetrofit, mAccessToken,
+                                    new ReplyMessage.ReplyMessageListener() {
+                                        @Override
+                                        public void replyMessageSuccess(Message message) {
+                                            if (mAdapter != null) {
+                                                mAdapter.addReply(message);
+                                            }
+                                            goToBottom();
+                                            mEditText.setText("");
+                                            mSendImageView.setColorFilter(mSendMessageIconColor, android.graphics.PorterDuff.Mode.SRC_IN);
+                                            isSendingMessage = false;
+                                            EventBus.getDefault().post(new RepliedToPrivateMessageEvent(message, getIntent().getIntExtra(EXTRA_MESSAGE_POSITION, -1)));
+                                        }
+
+                                        @Override
+                                        public void replyMessageFailed(String errorMessage) {
+                                            if (errorMessage != null && !errorMessage.equals("")) {
+                                                Snackbar.make(mCoordinatorLayout, errorMessage, Snackbar.LENGTH_LONG).show();
+                                            } else {
+                                                Snackbar.make(mCoordinatorLayout, R.string.reply_message_failed, Snackbar.LENGTH_LONG).show();
+                                            }
+                                            mSendImageView.setColorFilter(mSendMessageIconColor, android.graphics.PorterDuff.Mode.SRC_IN);
+                                            isSendingMessage = false;
+                                        }
+                                    });
+                            StringBuilder fullnames = new StringBuilder();
+                            if (privateMessage.isNew()) {
+                                fullnames.append(privateMessage.getFullname()).append(",");
+                            }
+                            if (replies != null && !replies.isEmpty()) {
+                                for (Message m : replies) {
+                                    if (m.isNew()) {
+                                        fullnames.append(m).append(",");
+                                    }
                                 }
                             }
-                        }
+                            if (fullnames.length() > 0) {
-                        if (fullnames.length() > 0) {
+                                fullnames.deleteCharAt(fullnames.length() - 1);
-                            fullnames.deleteCharAt(fullnames.length() - 1);
+                                ReadMessage.readMessage(mOauthRetrofit, mAccessToken, fullnames.toString(),
-                            ReadMessage.readMessage(mOauthRetrofit, mAccessToken, fullnames.toString(),
+                                        new ReadMessage.ReadMessageListener() {
-                                    new ReadMessage.ReadMessageListener() {
+                                            @Override
-                                        @Override
+                                            public void readSuccess() {}
-                                        public void readSuccess() {}
 
-                                        @Override
+                                            @Override
-                                        public void readFailed() {}
+                                            public void readFailed() {}
-                                    });
+                                        });
+                            }
+                        } else {
+                            isSendingMessage = false;
+                            Snackbar.make(mCoordinatorLayout, R.string.error_getting_message, Snackbar.LENGTH_LONG).show();
                         }
-                    } else {
-                        Snackbar.make(mCoordinatorLayout, R.string.error_getting_message, Snackbar.LENGTH_LONG).show();
                     }
                 }
             }
@@ -285,9 +311,11 @@ public class ViewPrivateMessagesActivity extends BaseActivity implements Activit
         applyAppBarLayoutAndToolbarTheme(mAppBarLayout, mToolbar);
         mDivider.setBackgroundColor(mCustomThemeWrapper.getDividerColor());
         mEditText.setTextColor(mCustomThemeWrapper.getPrimaryTextColor());
-        mEditText.setHintTextColor(mCustomThemeWrapper.getSecondaryTextColor());
+        mSecondaryTextColor = mCustomThemeWrapper.getSecondaryTextColor();
+        mEditText.setHintTextColor(mSecondaryTextColor);
         mEditTextLinearLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        mSendImageView.setColorFilter(mCustomThemeWrapper.getSendMessageIconColor(), android.graphics.PorterDuff.Mode.SRC_IN);
+        mSendMessageIconColor = mCustomThemeWrapper.getSendMessageIconColor();
+        mSendImageView.setColorFilter(mSendMessageIconColor, android.graphics.PorterDuff.Mode.SRC_IN);
     }
 
     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/Message/Message.java

@@ -20,6 +20,7 @@ public class Message implements Parcelable {
     private String fullname;
     private String subject;
     private String author;
+    private String destination;
     private String parentFullName;
     private String title;
     private String body;
@@ -34,9 +35,9 @@ public class Message implements Parcelable {
     private ArrayList<Message> replies;
 
     Message(String kind, String subredditName, String subredditNamePrefixed, String id, String fullname,
-            String subject, String author, String parentFullName, String title, String body, String context,
+            String subject, String author, String destination, String parentFullName, String title, String body,
-            String distinguished, String formattedTime, boolean wasComment, boolean isNew, int score,
+            String context, String distinguished, String formattedTime, boolean wasComment, boolean isNew,
-            int nComments, long timeUTC) {
+            int score, int nComments, long timeUTC) {
         this.kind = kind;
         this.subredditName = subredditName;
         this.subredditNamePrefixed = subredditNamePrefixed;
@@ -44,6 +45,7 @@ public class Message implements Parcelable {
         this.fullname = fullname;
         this.subject = subject;
         this.author = author;
+        this.destination = destination;
         this.parentFullName = parentFullName;
         this.title = title;
         this.body = body;
@@ -66,6 +68,7 @@ public class Message implements Parcelable {
         fullname = in.readString();
         subject = in.readString();
         author = in.readString();
+        destination = in.readString();
         parentFullName = in.readString();
         title = in.readString();
         body = in.readString();
@@ -120,6 +123,10 @@ public class Message implements Parcelable {
         return author;
     }
 
+    public String getDestination() {
+        return destination;
+    }
+
     public String getParentFullName() {
         return parentFullName;
     }
@@ -197,6 +204,7 @@ public class Message implements Parcelable {
         parcel.writeString(fullname);
         parcel.writeString(subject);
         parcel.writeString(author);
+        parcel.writeString(destination);
         parcel.writeString(parentFullName);
         parcel.writeString(title);
         parcel.writeString(body);

app/src/main/java/ml/docilealligator/infinityforreddit/Message/ParseMessage.java

@@ -60,6 +60,7 @@ public class ParseMessage {
         String fullname = rawMessageJSON.getString(JSONUtils.NAME_KEY);
         String subject = rawMessageJSON.getString(JSONUtils.SUBJECT_KEY);
         String author = rawMessageJSON.getString(JSONUtils.AUTHOR_KEY);
+        String destination = rawMessageJSON.getString(JSONUtils.DEST_KEY);
         String parentFullname = rawMessageJSON.getString(JSONUtils.PARENT_ID_KEY);
         String title = rawMessageJSON.has(JSONUtils.LINK_TITLE_KEY) ? rawMessageJSON.getString(JSONUtils.LINK_TITLE_KEY) : null;
         String body = Utils.modifyMarkdown(rawMessageJSON.getString(JSONUtils.BODY_KEY));
@@ -84,7 +85,7 @@ public class ParseMessage {
         }
 
         Message message = new Message(kind, subredditName, subredditNamePrefixed, id, fullname, subject,
-                author, parentFullname, title, body, context, distinguished, formattedTime,
+                author, destination, parentFullname, title, body, context, distinguished, formattedTime,
                 wasComment, isNew, score, nComments, timeUTC);
         if (replies != null) {
             message.setReplies(replies);

app/src/main/java/ml/docilealligator/infinityforreddit/Utils/JSONUtils.java

@@ -121,4 +121,5 @@ public class JSONUtils {
     public static final String S_KEY = "s";
     public static final String X_KEY = "x";
     public static final String Y_KEY = "y";
+    public static final String DEST_KEY = "dest";
 }

app/src/main/res/layout/item_comment.xml

@@ -106,7 +106,7 @@
 
             <TextView
                 android:id="@+id/comment_markdown_view_item_post_comment"
-                android:layout_width="match_parent"
+                android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="8dp"
                 android:layout_marginStart="16dp"

app/src/main/res/values/strings.xml

@@ -357,7 +357,7 @@
     <string name="settings_start_autoplay_visible_area_offset_landscape_title">Autoplay Videos Visible Area Offset (Landscape)</string>
     <string name="settings_start_autoplay_visible_area_offset_landscape_summary">Start autoplaying videos when %1$d%% of them are visible</string>
     <string name="settings_immersive_interface_title">Immersive Interface</string>
-    <string name="settings_immersive_interface_summary">Does Not Apply to All Pages</string>
+    <string name="settings_immersive_interface_summary">Does Not Apply to All Pages\nMay Not Work On Android 11</string>
     <string name="settings_immersive_interface_ignore_nav_bar_title">Ignore Navigation Bar in Immersive Interface</string>
     <string name="settings_immersive_interface_ignore_nav_bar_summary">Prevent the Bottom Navigation Bar Having Extra Padding</string>
     <string name="settings_customize_tabs_in_main_page_title">Customize Tabs in Main Page</string>