Fix issue #1017 - Usage frequency of tags when composing

app/src/main/java/app/fedilab/android/mastodon/ui/drawer/ComposeAdapter.java

@@ -890,6 +890,13 @@ public class ComposeAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
                                             Tag tag = new Tag();
                                             tag.name = camelTag;
                                             if (!results.hashtags.contains(tag)) {
+
+                                                for(Tag realTag: results.hashtags) {
+                                                    if(realTag.name.equalsIgnoreCase(camelTag)) {
+                                                        tag.history = realTag.history;
+                                                        break;
+                                                    }
+                                                }
                                                 results.hashtags.add(0, tag);
                                             }
                                         }

app/src/main/java/app/fedilab/android/mastodon/ui/drawer/TagsSearchAdapter.java

@@ -11,10 +11,14 @@ import android.widget.Filterable;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.github.mikephil.charting.data.Entry;
+
 import java.util.ArrayList;
 import java.util.List;
 
+import app.fedilab.android.R;
 import app.fedilab.android.databinding.DrawerTagSearchBinding;
+import app.fedilab.android.mastodon.client.entities.api.History;
 import app.fedilab.android.mastodon.client.entities.api.Tag;
 
 /* Copyright 2021 Thomas Schneider
@@ -37,6 +41,7 @@ public class TagsSearchAdapter extends ArrayAdapter<Tag> implements Filterable {
     private final List<Tag> tags;
     private final List<Tag> tempTags;
     private final List<Tag> suggestions;
+    private final Context context;
 
     private final Filter searchFilter = new Filter() {
         @Override
@@ -75,6 +80,7 @@ public class TagsSearchAdapter extends ArrayAdapter<Tag> implements Filterable {
 
     public TagsSearchAdapter(Context context, List<Tag> tags) {
         super(context, android.R.layout.simple_list_item_1, tags);
+        this.context = context;
         this.tags = tags;
         this.tempTags = new ArrayList<>(tags);
         this.suggestions = new ArrayList<>(tags);
@@ -110,6 +116,21 @@ public class TagsSearchAdapter extends ArrayAdapter<Tag> implements Filterable {
             holder = (TagSearchViewHolder) convertView.getTag();
         }
         holder.binding.tagName.setText(String.format("#%s", tag.name));
+        List<History> historyList = tag.history;
+
+        int stat = 0;
+
+        if (historyList != null) {
+            for (History history : historyList) {
+                stat += Integer.parseInt(history.accounts);
+            }
+        }
+        if(stat > 0 ) {
+            holder.binding.tagCount.setText("(" + context.getString(R.string.talking_about, stat) + ")");
+            holder.binding.tagCount.setVisibility(View.VISIBLE);
+        } else {
+            holder.binding.tagCount.setVisibility(View.GONE);
+        }
 
         return holder.view;
     }

app/src/main/res/layouts/mastodon/layout/drawer_tag_search.xml

@@ -15,6 +15,7 @@
     see <http://www.gnu.org/licenses>
 -->
 <androidx.appcompat.widget.LinearLayoutCompat xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/tag_container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ -22,9 +23,19 @@
 
     <TextView
         android:id="@+id/tag_name"
-        android:layout_width="match_parent"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:layout_margin="5dp"
+        tools:text="@tools:sample/lorem"
+        android:padding="10dp" />
+
+    <TextView
+        android:id="@+id/tag_count"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center_vertical"
         android:layout_margin="5dp"
+        android:layout_marginStart="20dp"
         android:padding="10dp" />
 </androidx.appcompat.widget.LinearLayoutCompat>