dropdown revised

app/src/main/java/de/joel/zoomhelper/AutoSuggestAdapter.java

@@ -0,0 +1,73 @@
+package de.joel.zoomhelper;
+
+import android.content.Context;
+import android.widget.ArrayAdapter;
+import android.widget.Filter;
+import android.widget.Filterable;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class AutoSuggestAdapter extends ArrayAdapter<String> implements Filterable {
+    private List<String> mlistData;
+
+    public AutoSuggestAdapter(@NonNull Context context, int resource) {
+        super(context, resource);
+        mlistData = new ArrayList<>();
+    }
+
+    public void setData(List<String> list) {
+        mlistData.clear();
+        mlistData.addAll(list);
+    }
+
+    @Override
+    public int getCount() {
+        return mlistData.size();
+    }
+
+    @Nullable
+    @Override
+    public String getItem(int position) {
+        return mlistData.get(position);
+    }
+
+    /**
+     * Used to Return the full object directly from adapter.
+     *
+     * @param position
+     * @return
+     */
+    public String getObject(int position) {
+        return mlistData.get(position);
+    }
+
+    @NonNull
+    @Override
+    public Filter getFilter() {
+        Filter dataFilter = new Filter() {
+            @Override
+            protected FilterResults performFiltering(CharSequence constraint) {
+                FilterResults filterResults = new FilterResults();
+                if (constraint != null) {
+                    filterResults.values = mlistData;
+                    filterResults.count = mlistData.size();
+                }
+                return filterResults;
+            }
+
+            @Override
+            protected void publishResults(CharSequence constraint, FilterResults results) {
+                if (results != null && (results.count > 0)) {
+                    notifyDataSetChanged();
+                } else {
+                    notifyDataSetInvalidated();
+                }
+            }
+        };
+        return dataFilter;
+    }
+}

app/src/main/java/de/joel/zoomhelper/MainActivity.java

@@ -27,6 +27,7 @@ import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.io.Serializable;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Objects;
 
 
@@ -44,7 +45,7 @@ class InstantAutoComplete extends com.google.android.material.textfield.Material
     }
     @Override
     public boolean enoughToFilter() {
-        return true;
+        return false;
     }
 
 }
@@ -146,9 +147,7 @@ public class MainActivity extends AppCompatActivity {
                 }
             });
 
-            builder.setNegativeButton(R.string.no, (dialog, which) -> {
-                dialog.dismiss();
-            });
+            builder.setNegativeButton(R.string.no, (dialog, which) -> dialog.dismiss());
 
             AlertDialog alert = builder.create();
             alert.show();
@@ -205,24 +204,22 @@ public class MainActivity extends AppCompatActivity {
         }
 
         AutoCompleteTextView textMeetingName = findViewById(R.id.TextMeetingName);
-        ImageView dropdown = findViewById(R.id.iconDropdownMeetingName);
-        ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_dropdown_item_1line, meetingNames);
+        //ImageView dropdown = findViewById(R.id.iconDropdownMeetingName);
+        AutoSuggestAdapter adapter = new AutoSuggestAdapter(this, android.R.layout.simple_dropdown_item_1line);
+        adapter.setData(Arrays.asList(meetingNames));
         textMeetingName.setAdapter(adapter);
 
-        textMeetingName.setOnTouchListener((View.OnTouchListener) (paramView, paramMotionEvent) -> {
-            adapter.getFilter().filter(null);
-            textMeetingName.showDropDown();
-            return false;
-        });
+        textMeetingName.setOnTouchListener((View.OnTouchListener) (paramView, paramMotionEvent) -> false);
 
         textMeetingName.setOnItemClickListener((arg0, view, arg2, arg3) -> fillWithSelectedMeeting());
 
-        dropdown.setOnClickListener(v -> {
+        /*dropdown.setOnClickListener(v -> {
             textMeetingName.showDropDown();
             adapter.getFilter().filter(null);
-        });
+        });*/
     }
 
+    @SuppressLint("ClickableViewAccessibility")
     public void fillDropdownAttendeeName(int meetingIndex) {
         Meeting meeting = getMeetings().get(meetingIndex);
         ArrayList<Attendee> attendees = meeting.attendees;
@@ -233,16 +230,19 @@ public class MainActivity extends AppCompatActivity {
         }
 
         AutoCompleteTextView textName = findViewById(R.id.textBoxName);
-        ImageView dropdown = findViewById(R.id.iconDropdownAttName);
-        ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_dropdown_item_1line, attNames);
+        //ImageView dropdown = findViewById(R.id.iconDropdownAttName);
+        AutoSuggestAdapter adapter = new AutoSuggestAdapter(this, android.R.layout.simple_dropdown_item_1line);
+        adapter.setData(Arrays.asList(attNames));
         textName.setAdapter(adapter);
 
+        textName.setOnTouchListener((View.OnTouchListener) (paramView, paramMotionEvent) -> false);
+
         textName.setOnItemClickListener((arg0, view, arg2, arg3) -> fillWithSelectedAtt());
 
-        dropdown.setOnClickListener(v -> {
+        /*dropdown.setOnClickListener(v -> {
             textName.showDropDown();
             adapter.getFilter().filter(null);
-        });
+        });*/
     }
 
     private void fillWithSelectedAtt() {