do not allow line break character on subject edittexts

app/src/main/java/gr/thmmy/mthmmy/activities/create_content/CreateContentActivity.java

@@ -5,7 +5,9 @@ import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.design.widget.TextInputLayout;
+import android.text.InputType;
 import android.view.View;
+import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputConnection;
 import android.widget.Toast;
 
@@ -50,6 +52,8 @@ public class CreateContentActivity extends BaseActivity implements EmojiKeyboard
         emojiKeyboard = findViewById(R.id.emoji_keyboard);
 
         subjectInput = findViewById(R.id.subject_input);
+        subjectInput.getEditText().setRawInputType(InputType.TYPE_CLASS_TEXT);
+        subjectInput.getEditText().setImeOptions(EditorInfo.IME_ACTION_DONE);
 
         contentEditor = findViewById(R.id.main_content_editorview);
         setEmojiKeyboardInputConnection(contentEditor.getInputConnection());

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicAdapter.java

@@ -16,10 +16,12 @@ import android.support.v4.content.res.ResourcesCompat;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.content.res.AppCompatResources;
 import android.support.v7.widget.RecyclerView;
+import android.text.InputType;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputConnection;
 import android.view.inputmethod.InputMethodManager;
 import android.webkit.WebResourceRequest;
@@ -456,6 +458,8 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
                     .into(holder.thumbnail);
             holder.username.setText(getSessionManager().getUsername());
             holder.quickReplySubject.setText("Re: " + viewModel.getTopicTitle().getValue());
+            holder.quickReplySubject.setRawInputType(InputType.TYPE_CLASS_TEXT);
+            holder.quickReplySubject.setImeOptions(EditorInfo.IME_ACTION_DONE);
 
             holder.replyEditor.setEmojiKeyboardOwner(emojiKeyboardOwner);
             InputConnection ic = holder.replyEditor.getInputConnection();
@@ -505,6 +509,8 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
                     .into(holder.thumbnail);
             holder.username.setText(getSessionManager().getUsername());
             holder.editSubject.setText(postsList.get(position).getSubject());
+            holder.editSubject.setRawInputType(InputType.TYPE_CLASS_TEXT);
+            holder.editSubject.setImeOptions(EditorInfo.IME_ACTION_DONE);
 
             holder.editEditor.setEmojiKeyboardOwner(emojiKeyboardOwner);
             InputConnection ic = holder.editEditor.getInputConnection();