Scrollable media description

app/src/main/java/app/fedilab/android/mastodon/activities/MediaActivity.java

@@ -26,6 +26,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
+import android.text.method.ScrollingMovementMethod;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.MotionEvent;
@@ -150,6 +151,10 @@ public class MediaActivity extends BaseTransparentActivity implements OnDownload
                 startActivity(intentContext);
             });
         }
+
+        binding.mediaDescription.setMovementMethod(new ScrollingMovementMethod());
+        binding.mediaDescriptionTranslated.setMovementMethod(new ScrollingMovementMethod());
+        
         if (description != null && description.trim().length() > 0 && description.trim().compareTo("null") != 0) {
             binding.mediaDescription.setText(description);
             binding.translate.setOnClickListener(v -> {

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

@@ -35,6 +35,8 @@
         android:id="@+id/media_description"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
+        android:maxHeight="300dp"
+        android:scrollbars="vertical"
         android:layout_gravity="center_horizontal|bottom"
         android:background="#AA000000"
         android:gravity="center"
@@ -50,6 +52,8 @@
     <TextView
         android:id="@+id/media_description_translated"
         android:layout_width="0dp"
+        android:maxHeight="300dp"
+        android:scrollbars="vertical"
         android:layout_height="wrap_content"
         android:layout_gravity="center_horizontal|bottom"
         android:layout_marginBottom="70dp"