From b9733e69e9fe58a972401d58cfdb344c7abf8328 Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Tue, 29 Oct 2019 13:52:30 +0800
Subject: Placing vote buttons on the right for comments is now available.

---
 .../Adapter/CommentAndPostRecyclerViewAdapter.java |  27 +++-
 .../CommentsListingRecyclerViewAdapter.java        |  32 ++++
 .../Adapter/PostRecyclerViewAdapter.java           |   2 +-
 .../Fragment/CommentsListingFragment.java          |   3 +-
 .../ml/docilealligator/infinityforreddit/Post.java |   4 +-
 .../main/res/drawable/ic_expand_more_grey_24dp.xml |   4 +-
 app/src/main/res/layout/item_comment.xml           | 162 ++++++++++++++++++---
 7 files changed, 210 insertions(+), 24 deletions(-)

(limited to 'app')

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
index 169a5cee..97c7fb98 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
@@ -510,7 +510,7 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
                 mActivity.startActivityForResult(intent, WRITE_COMMENT_REQUEST_CODE);
             });
 
-            ((PostDetailViewHolder) holder).commentsCountTextView.setText(Integer.toString(mPost.getnComments()));
+            ((PostDetailViewHolder) holder).commentsCountTextView.setText(Integer.toString(mPost.getNComments()));
 
             if (mPost.isSaved()) {
                 ((PostDetailViewHolder) holder).saveButton.setImageResource(R.drawable.ic_bookmark_grey_24dp);
@@ -1697,6 +1697,8 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
         TextView commentTimeTextView;
         @BindView(R.id.comment_markdown_view_item_post_comment)
         TextView commentMarkdownView;
+        @BindView(R.id.bottom_constraint_layout_item_post_comment)
+        ConstraintLayout bottomConstraintLayout;
         @BindView(R.id.up_vote_button_item_post_comment)
         ImageView upVoteButton;
         @BindView(R.id.score_text_view_item_post_comment)
@@ -1768,6 +1770,29 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
                 expandButton.performClick();
                 return true;
             });
+
+            if (mVoteButtonsOnTheRight) {
+                ConstraintSet constraintSet = new ConstraintSet();
+                constraintSet.clone(bottomConstraintLayout);
+                constraintSet.clear(upVoteButton.getId(), ConstraintSet.START);
+                constraintSet.clear(scoreTextView.getId(), ConstraintSet.START);
+                constraintSet.clear(downVoteButton.getId(), ConstraintSet.START);
+                constraintSet.clear(expandButton.getId(), ConstraintSet.END);
+                constraintSet.clear(saveButton.getId(), ConstraintSet.END);
+                constraintSet.clear(replyButton.getId(), ConstraintSet.END);
+                constraintSet.clear(shareButton.getId(), ConstraintSet.END);
+                constraintSet.connect(upVoteButton.getId(), ConstraintSet.END, scoreTextView.getId(), ConstraintSet.START);
+                constraintSet.connect(scoreTextView.getId(), ConstraintSet.END, downVoteButton.getId(), ConstraintSet.START);
+                constraintSet.connect(downVoteButton.getId(), ConstraintSet.END, ConstraintSet.PARENT_ID, ConstraintSet.END);
+                constraintSet.connect(moreButton.getId(), ConstraintSet.START, expandButton.getId(), ConstraintSet.END);
+                constraintSet.connect(moreButton.getId(), ConstraintSet.END, upVoteButton.getId(), ConstraintSet.END);
+                constraintSet.connect(expandButton.getId(), ConstraintSet.START, saveButton.getId(), ConstraintSet.END);
+                constraintSet.connect(saveButton.getId(), ConstraintSet.START, replyButton.getId(), ConstraintSet.END);
+                constraintSet.connect(replyButton.getId(), ConstraintSet.START, shareButton.getId(), ConstraintSet.END);
+                constraintSet.connect(shareButton.getId(), ConstraintSet.START, ConstraintSet.PARENT_ID, ConstraintSet.START);
+                constraintSet.setHorizontalBias(moreButton.getId(), 0);
+                constraintSet.applyTo(bottomConstraintLayout);
+            }
         }
     }
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentsListingRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentsListingRecyclerViewAdapter.java
index 5924fa94..0ac21d44 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentsListingRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentsListingRecyclerViewAdapter.java
@@ -17,6 +17,8 @@ import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.constraintlayout.widget.ConstraintSet;
 import androidx.core.content.ContextCompat;
 import androidx.paging.PagedListAdapter;
 import androidx.recyclerview.widget.DiffUtil;
@@ -64,11 +66,13 @@ public class CommentsListingRecyclerViewAdapter extends PagedListAdapter<Comment
     private String mAccountName;
     private int mTextColorPrimaryDark;
     private int mColorAccent;
+    private boolean mVoteButtonsOnTheRight;
     private NetworkState networkState;
     private RetryLoadingMoreCallback mRetryLoadingMoreCallback;
 
     public CommentsListingRecyclerViewAdapter(Context context, Retrofit oauthRetrofit,
                                               String accessToken, String accountName,
+                                              boolean voteButtonsOnTheRight,
                                               RetryLoadingMoreCallback retryLoadingMoreCallback) {
         super(DIFF_CALLBACK);
         mContext = context;
@@ -94,6 +98,7 @@ public class CommentsListingRecyclerViewAdapter extends PagedListAdapter<Comment
                 .build();
         mAccessToken = accessToken;
         mAccountName = accountName;
+        mVoteButtonsOnTheRight = voteButtonsOnTheRight;
         mRetryLoadingMoreCallback = retryLoadingMoreCallback;
         mTextColorPrimaryDark = mContext.getResources().getColor(R.color.colorPrimaryDarkDayNightTheme);
         mColorAccent = mContext.getResources().getColor(R.color.colorAccent);
@@ -407,6 +412,8 @@ public class CommentsListingRecyclerViewAdapter extends PagedListAdapter<Comment
         TextView commentTimeTextView;
         @BindView(R.id.comment_markdown_view_item_post_comment)
         TextView commentMarkdownView;
+        @BindView(R.id.bottom_constraint_layout_item_post_comment)
+        ConstraintLayout bottomConstraintLayout;
         @BindView(R.id.up_vote_button_item_post_comment)
         ImageView upvoteButton;
         @BindView(R.id.score_text_view_item_post_comment)
@@ -417,6 +424,8 @@ public class CommentsListingRecyclerViewAdapter extends PagedListAdapter<Comment
         ImageView moreButton;
         @BindView(R.id.save_button_item_post_comment)
         ImageView saveButton;
+        @BindView(R.id.expand_button_item_post_comment)
+        ImageView expandButton;
         @BindView(R.id.share_button_item_post_comment)
         ImageView shareButton;
         @BindView(R.id.reply_button_item_post_comment)
@@ -425,6 +434,29 @@ public class CommentsListingRecyclerViewAdapter extends PagedListAdapter<Comment
         DataViewHolder(View itemView) {
             super(itemView);
             ButterKnife.bind(this, itemView);
+
+            if (mVoteButtonsOnTheRight) {
+                ConstraintSet constraintSet = new ConstraintSet();
+                constraintSet.clone(bottomConstraintLayout);
+                constraintSet.clear(upvoteButton.getId(), ConstraintSet.START);
+                constraintSet.clear(scoreTextView.getId(), ConstraintSet.START);
+                constraintSet.clear(downvoteButton.getId(), ConstraintSet.START);
+                constraintSet.clear(expandButton.getId(), ConstraintSet.END);
+                constraintSet.clear(saveButton.getId(), ConstraintSet.END);
+                constraintSet.clear(replyButton.getId(), ConstraintSet.END);
+                constraintSet.clear(shareButton.getId(), ConstraintSet.END);
+                constraintSet.connect(upvoteButton.getId(), ConstraintSet.END, scoreTextView.getId(), ConstraintSet.START);
+                constraintSet.connect(scoreTextView.getId(), ConstraintSet.END, downvoteButton.getId(), ConstraintSet.START);
+                constraintSet.connect(downvoteButton.getId(), ConstraintSet.END, ConstraintSet.PARENT_ID, ConstraintSet.END);
+                constraintSet.connect(moreButton.getId(), ConstraintSet.START, expandButton.getId(), ConstraintSet.END);
+                constraintSet.connect(moreButton.getId(), ConstraintSet.END, upvoteButton.getId(), ConstraintSet.END);
+                constraintSet.connect(expandButton.getId(), ConstraintSet.START, saveButton.getId(), ConstraintSet.END);
+                constraintSet.connect(saveButton.getId(), ConstraintSet.START, replyButton.getId(), ConstraintSet.END);
+                constraintSet.connect(replyButton.getId(), ConstraintSet.START, shareButton.getId(), ConstraintSet.END);
+                constraintSet.connect(shareButton.getId(), ConstraintSet.START, ConstraintSet.PARENT_ID, ConstraintSet.START);
+                constraintSet.setHorizontalBias(moreButton.getId(), 0);
+                constraintSet.applyTo(bottomConstraintLayout);
+            }
         }
     }
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java
index 6be7c9e7..e221d03e 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java
@@ -616,7 +616,7 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
                     }, fullName, newVoteType, holder.getAdapterPosition());
                 });
 
-                ((DataViewHolder) holder).commentsCountTextView.setText(Integer.toString(post.getnComments()));
+                ((DataViewHolder) holder).commentsCountTextView.setText(Integer.toString(post.getNComments()));
 
                 if (post.isSaved()) {
                     ((DataViewHolder) holder).saveButton.setImageResource(R.drawable.ic_bookmark_grey_24dp);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/CommentsListingFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/CommentsListingFragment.java
index 48823b32..7b721869 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/CommentsListingFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/CommentsListingFragment.java
@@ -143,9 +143,10 @@ public class CommentsListingFragment extends Fragment implements FragmentCommuni
     private void bindView(Resources resources) {
         mCommentRecyclerView.setLayoutManager(new LinearLayoutManager(activity));
 
+        boolean voteButtonsOnTheRight = mSharedPreferences.getBoolean(SharedPreferencesUtils.VOTE_BUTTONS_ON_THE_RIGHT_KEY, false);
         mAdapter = new CommentsListingRecyclerViewAdapter(activity, mOauthRetrofit,
                 getArguments().getString(EXTRA_ACCESS_TOKEN), getArguments().getString(EXTRA_ACCOUNT_NAME),
-                () -> mCommentViewModel.retryLoadingMore());
+                voteButtonsOnTheRight, () -> mCommentViewModel.retryLoadingMore());
 
         String username = getArguments().getString(EXTRA_USERNAME);
         String sort = mSharedPreferences.getString(SharedPreferencesUtils.SORT_TYPE_USER_COMMENT, SortType.Type.NEW.value);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Post.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Post.java
index 1f2c3681..47f4a6a3 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Post.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Post.java
@@ -323,11 +323,11 @@ public class Post implements Parcelable {
         this.previewHeight = previewHeight;
     }
 
-    public int getnComments() {
+    public int getNComments() {
         return nComments;
     }
 
-    public void setnComments(int nComments) {
+    public void setNComments(int nComments) {
         this.nComments = nComments;
     }
 
diff --git a/app/src/main/res/drawable/ic_expand_more_grey_24dp.xml b/app/src/main/res/drawable/ic_expand_more_grey_24dp.xml
index 71b8f17a..d0231df5 100644
--- a/app/src/main/res/drawable/ic_expand_more_grey_24dp.xml
+++ b/app/src/main/res/drawable/ic_expand_more_grey_24dp.xml
@@ -1,4 +1,4 @@
-<vector android:height="20dp" android:viewportHeight="24.0"
-    android:viewportWidth="24.0" android:width="20dp" xmlns:android="http://schemas.android.com/apk/res/android">
+<vector android:height="24dp" android:viewportHeight="24.0"
+    android:viewportWidth="24.0" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
     <path android:fillColor="#FF808080" android:pathData="M16.59,8.59L12,13.17 7.41,8.59 6,10l6,6 6,-6z"/>
 </vector>
diff --git a/app/src/main/res/layout/item_comment.xml b/app/src/main/res/layout/item_comment.xml
index 1e594578..242841b2 100644
--- a/app/src/main/res/layout/item_comment.xml
+++ b/app/src/main/res/layout/item_comment.xml
@@ -71,20 +71,144 @@
             android:textColor="@color/primaryTextColor"
             android:textSize="?attr/content_font_default" />
 
+        <!--<androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/bottom_constraint_layout_item_post_comment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingStart="4dp"
+            android:paddingEnd="4dp">
+
+            <ImageView
+                android:id="@+id/up_vote_button_item_post_comment"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
+                android:background="?actionBarItemBackground"
+                android:clickable="true"
+                android:focusable="true"
+                android:src="@drawable/ic_arrow_upward_grey_24dp"
+                app:layout_constraintEnd_toStartOf="@id/score_text_view_item_post_comment"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintBottom_toBottomOf="parent" />
+
+            <TextView
+                android:id="@+id/score_text_view_item_post_comment"
+                android:layout_width="64dp"
+                android:layout_height="wrap_content"
+                android:gravity="center"
+                android:textSize="?attr/font_12"
+                android:textStyle="bold"
+                app:layout_constraintEnd_toStartOf="@+id/down_vote_button_item_post_comment"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintBottom_toBottomOf="parent"/>
+
+            <ImageView
+                android:id="@+id/down_vote_button_item_post_comment"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
+                android:background="?actionBarItemBackground"
+                android:clickable="true"
+                android:focusable="true"
+                android:src="@drawable/ic_arrow_downward_grey_24dp"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintBottom_toBottomOf="parent" />
+
+            <ImageView
+                android:id="@+id/more_button_item_post_comment"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
+                android:background="?actionBarItemBackground"
+                android:clickable="true"
+                android:focusable="true"
+                android:src="@drawable/ic_more_vert_grey_24dp"
+                android:visibility="gone"
+                app:layout_constraintStart_toEndOf="@+id/expand_button_item_post_comment"
+                app:layout_constraintEnd_toStartOf="@id/up_vote_button_item_post_comment"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintHorizontal_bias="0" />
+
+            <ImageView
+                android:id="@+id/expand_button_item_post_comment"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
+                android:background="?actionBarItemBackground"
+                android:clickable="true"
+                android:focusable="true"
+                android:src="@drawable/ic_expand_less_grey_24dp"
+                android:visibility="gone"
+                app:layout_constraintStart_toEndOf="@+id/save_button_item_post_comment"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintBottom_toBottomOf="parent"/>
+
+            <ImageView
+                android:id="@+id/save_button_item_post_comment"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
+                android:background="?actionBarItemBackground"
+                android:clickable="true"
+                android:focusable="true"
+                app:layout_constraintStart_toEndOf="@+id/reply_button_item_post_comment"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintBottom_toBottomOf="parent"/>
+
+            <ImageView
+                android:id="@+id/reply_button_item_post_comment"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
+                android:background="?actionBarItemBackground"
+                android:clickable="true"
+                android:focusable="true"
+                android:src="@drawable/ic_reply_grey_24dp"
+                app:layout_constraintStart_toEndOf="@id/share_button_item_post_comment"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintBottom_toBottomOf="parent"/>
+
+            <ImageView
+                android:id="@+id/share_button_item_post_comment"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
+                android:background="?actionBarItemBackground"
+                android:clickable="true"
+                android:focusable="true"
+                android:src="@drawable/ic_share_grey_24dp"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintBottom_toBottomOf="parent"/>
+
+        </androidx.constraintlayout.widget.ConstraintLayout>-->
+
         <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/bottom_constraint_layout_item_post_comment"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content">
+            android:layout_height="wrap_content"
+            android:paddingStart="4dp"
+            android:paddingEnd="4dp">
 
             <ImageView
                 android:id="@+id/up_vote_button_item_post_comment"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_marginStart="12dp"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
                 android:background="?actionBarItemBackground"
                 android:clickable="true"
                 android:focusable="true"
                 android:src="@drawable/ic_arrow_upward_grey_24dp"
-                android:tint="@android:color/tab_indicator_text"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintBottom_toBottomOf="parent" />
@@ -93,7 +217,6 @@
                 android:id="@+id/score_text_view_item_post_comment"
                 android:layout_width="64dp"
                 android:layout_height="wrap_content"
-                android:layout_marginStart="8dp"
                 android:gravity="center"
                 android:textSize="?attr/font_12"
                 android:textStyle="bold"
@@ -105,8 +228,8 @@
                 android:id="@+id/down_vote_button_item_post_comment"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_marginStart="8dp"
-                android:layout_marginEnd="16dp"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
                 android:background="?actionBarItemBackground"
                 android:clickable="true"
                 android:focusable="true"
@@ -122,7 +245,8 @@
                 android:id="@+id/more_button_item_post_comment"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_marginEnd="16dp"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
                 android:background="?actionBarItemBackground"
                 android:clickable="true"
                 android:focusable="true"
@@ -136,7 +260,8 @@
                 android:id="@+id/expand_button_item_post_comment"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_marginEnd="16dp"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
                 android:background="?actionBarItemBackground"
                 android:clickable="true"
                 android:focusable="true"
@@ -151,36 +276,39 @@
                 android:id="@+id/save_button_item_post_comment"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_marginEnd="16dp"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
                 android:background="?actionBarItemBackground"
                 android:clickable="true"
                 android:focusable="true"
-                app:layout_constraintEnd_toStartOf="@+id/share_button_item_post_comment"
+                app:layout_constraintEnd_toStartOf="@+id/reply_button_item_post_comment"
                 app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintBottom_toBottomOf="parent"/>
 
             <ImageView
-                android:id="@+id/share_button_item_post_comment"
+                android:id="@+id/reply_button_item_post_comment"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_marginEnd="16dp"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
                 android:background="?actionBarItemBackground"
                 android:clickable="true"
                 android:focusable="true"
-                android:src="@drawable/ic_share_grey_24dp"
-                app:layout_constraintEnd_toStartOf="@+id/reply_button_item_post_comment"
+                android:src="@drawable/ic_reply_grey_24dp"
+                app:layout_constraintEnd_toStartOf="@id/share_button_item_post_comment"
                 app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintBottom_toBottomOf="parent"/>
 
             <ImageView
-                android:id="@+id/reply_button_item_post_comment"
+                android:id="@+id/share_button_item_post_comment"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_marginEnd="12dp"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
                 android:background="?actionBarItemBackground"
                 android:clickable="true"
                 android:focusable="true"
-                android:src="@drawable/ic_reply_grey_24dp"
+                android:src="@drawable/ic_share_grey_24dp"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintBottom_toBottomOf="parent"/>
-- 
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