Folder pictures, photo/video tile marks, folder in the viewer

Home rows and the folder header show the folder's round picture next to
its name. Post tiles carry a photo or video mark in the top left, on a
dark dot so it reads on bright thumbnails. The viewer shows the current
post's folder picture and name in the top left; pictures come from the
last loaded folder list, so before one loads only the name shows.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/app/src/main/java/mygram/droid/Ui.java b/app/src/main/java/mygram/droid/Ui.java
index 172fbff..6667d33 100644
--- a/app/src/main/java/mygram/droid/Ui.java
+++ b/app/src/main/java/mygram/droid/Ui.java
@@ -33,6 +33,8 @@ import androidx.recyclerview.widget.GridLayoutManager;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.bumptech.glide.Glide;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -156,17 +158,42 @@ final class Ui {
 
 	/** Back arrow and title, for screens outside the main view. */
 	static LinearLayout header(Activity a, String title) {
+		return header(a, title, null);
+	}
+
+	/** Back arrow, the folder picture when there is one, and title. */
+	static LinearLayout header(Activity a, String title, String avatarUrl) {
 		LinearLayout header = new LinearLayout(a);
 		header.setGravity(Gravity.CENTER_VERTICAL);
 		int p = dp(a, 16);
 		header.setPadding(p * 2, p, p * 2, 0);
 		header.addView(iconButton(a, R.drawable.ic_arrow_back, "Back", v -> a.finish()));
+		ImageView avatar = avatar(a, 40);
+		((LinearLayout.LayoutParams) avatar.getLayoutParams()).leftMargin = p;
+		header.addView(avatar);
+		setAvatar(avatar, avatarUrl);
 		TextView t = text(a, title, 24);
 		t.setPadding(p, 0, 0, 0);
 		header.addView(t);
 		return header;
 	}
 
+	/** A round folder picture of size dp, for a horizontal LinearLayout. */
+	static ImageView avatar(Context c, int size) {
+		ImageView v = new ImageView(c);
+		v.setLayoutParams(new LinearLayout.LayoutParams(dp(c, size), dp(c, size)));
+		return v;
+	}
+
+	/** Loads url round, or hides the view when the folder has no picture. */
+	static void setAvatar(ImageView v, String url) {
+		v.setVisibility(url == null ? View.GONE : View.VISIBLE);
+		if (url == null)
+			Glide.with(v).clear(v);
+		else
+			Glide.with(v).load(url).circleCrop().into(v);
+	}
+
 	static void blur(ImageView v, float radius) {
 		v.setRenderEffect(RenderEffect.createBlurEffect(radius, radius, Shader.TileMode.CLAMP));
 	}