Let user search for image

app/src/main/java/org/shadowice/flocke/andotp/View/EntriesCardAdapter.java

@@ -32,6 +32,9 @@ import android.graphics.Bitmap;
 import android.preference.PreferenceManager;
 import android.support.v7.widget.PopupMenu;
 import android.support.v7.widget.RecyclerView;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -281,18 +284,43 @@ public class EntriesCardAdapter extends RecyclerView.Adapter<EntryViewHolder>
         int marginSmall = context.getResources().getDimensionPixelSize(R.dimen.activity_margin_small);
         int marginMedium = context.getResources().getDimensionPixelSize(R.dimen.activity_margin_medium);
 
+        final ThumbnailSelectionAdapter thumbnailAdapter = new ThumbnailSelectionAdapter(context);
+
+        final EditText input = new EditText(context);
+        input.setLayoutParams(new  FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
+        input.setSingleLine();
+
+        input.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
+
+            @Override
+            public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
+
+            @Override
+            public void afterTextChanged(Editable editable) {
+                thumbnailAdapter.filter(editable.toString());
+            }
+        });
+
         GridView grid = new GridView(context);
-        grid.setAdapter(new ThumbnailSelectionAdapter(context));
+        grid.setAdapter(thumbnailAdapter);
         grid.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
-        grid.setColumnWidth(context.getResources().getDimensionPixelSize(R.dimen.card_thumbnail_size));
+        grid.setColumnWidth(context.getResources().getDimensionPixelSize(R.dimen.card_thumbnail_size_small));
         grid.setNumColumns(GridView.AUTO_FIT);
         grid.setVerticalSpacing(context.getResources().getDimensionPixelSize(R.dimen.activity_margin_medium));
         grid.setHorizontalSpacing(context.getResources().getDimensionPixelSize(R.dimen.activity_margin_medium));
         grid.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);
 
+        LinearLayout layout = new LinearLayout(context);
+        layout.setOrientation(LinearLayout.VERTICAL);
+        layout.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
+        layout.addView(input);
+        layout.addView(grid);
+
         FrameLayout container = new FrameLayout(context);
         container.setPaddingRelative(marginMedium, marginSmall, marginMedium, 0);
-        container.addView(grid);
+        container.addView(layout);
 
         final AlertDialog alert = builder.setTitle(R.string.menu_popup_change_image)
                 .setView(container)

app/src/main/java/org/shadowice/flocke/andotp/View/ThumbnailSelectionAdapter.java

@@ -15,36 +15,52 @@ import org.shadowice.flocke.andotp.R;
 import org.shadowice.flocke.andotp.Utilities.EntryThumbnail;
 
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
 
 public class ThumbnailSelectionAdapter extends BaseAdapter {
     private Context context;
+    private List items;
 
     ThumbnailSelectionAdapter(Context context) {
+        items = new ArrayList(EntryThumbnail.EntryThumbnails.values().length);
+        Collections.addAll(items, EntryThumbnail.EntryThumbnails.values());
+
         this.context = context;
     }
 
+    void filter(String filter) {
+        items.clear();
+        for (EntryThumbnail.EntryThumbnails thumb : EntryThumbnail.EntryThumbnails.values()) {
+            if(thumb.name().toLowerCase().contains(filter.toLowerCase())) {
+                items.add(thumb);
+            }
+        }
+        notifyDataSetChanged();
+    }
+
     @Override
     public int getCount() {
-        return EntryThumbnail.EntryThumbnails.values().length;
+        return items.size();
     }
 
     @Override
     public Object getItem(int i) {
-        if(i >= EntryThumbnail.EntryThumbnails.values().length)
+        if(i < getCount())
-            return EntryThumbnail.EntryThumbnails.Default;
+            return items.get(i);
         else
-            return EntryThumbnail.EntryThumbnails.values()[i];
+            return EntryThumbnail.EntryThumbnails.Default;
     }
 
     @Override
     public long getItemId(int i) {
-        return EntryThumbnail.EntryThumbnails.values()[i].ordinal();
+        return ((EntryThumbnail.EntryThumbnails) getItem(i)).ordinal();
     }
 
     @NonNull
     @Override
     public View getView(int i, View view, @NonNull ViewGroup viewGroup) {
-        int size = context.getResources().getDimensionPixelSize(R.dimen.card_thumbnail_size);
+        int size = context.getResources().getDimensionPixelSize(R.dimen.card_thumbnail_size_small);
         ImageView imageView;
         if (view == null) {
             imageView = new ImageView(context);

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

@@ -10,6 +10,7 @@
 
     <dimen name="card_corner_radius">0dp</dimen>
     <dimen name="card_thumbnail_size">64dp</dimen>
+    <dimen name="card_thumbnail_size_small">46dp</dimen>
 
     <!-- The default letter tile text size -->
     <dimen name="tile_letter_font_size">33sp</dimen>