do not show error text and play button at the same time.

Clover/app/src/main/java/org/floens/chan/ui/view/PostImageThumbnailView.java

@@ -67,7 +67,7 @@ public class PostImageThumbnailView extends ThumbnailView {
     public void draw(Canvas canvas) {
         super.draw(canvas);
 
-        if (postImage != null && postImage.type == PostImage.Type.MOVIE) {
+        if (postImage != null && postImage.type == PostImage.Type.MOVIE && !error) {
             int x = (int) (getWidth() / 2.0 - playIcon.getIntrinsicWidth() / 2.0);
             int y = (int) (getHeight() / 2.0 - playIcon.getIntrinsicHeight() / 2.0);
 

Clover/app/src/main/java/org/floens/chan/ui/view/ThumbnailView.java

@@ -67,7 +67,7 @@ public class ThumbnailView extends View implements ImageLoader.ImageListener {
     private boolean foregroundCalculate = false;
     private Drawable foreground;
 
-    private boolean error = false;
+    protected boolean error = false;
     private String errorText;
     private Paint textPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
     private Rect tmpTextRect = new Rect();
@@ -172,6 +172,7 @@ public class ThumbnailView extends View implements ImageLoader.ImageListener {
         }
 
         onImageSet(false);
+        invalidate();
     }
 
     @Override