BugFix: memory leak of theme splash screen background drawable

src/cs/si/stavor/MainActivity.java

@@ -33,6 +33,8 @@ import android.app.FragmentManager;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.database.sqlite.SQLiteDatabase;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
 import android.support.v4.widget.DrawerLayout;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
@@ -515,6 +517,15 @@ public class MainActivity extends ActionBarActivity implements
         			((StavorApplication)getApplication()).db,
         			hud_panel_open
         			);
+
+            BitmapDrawable bd = (BitmapDrawable)getWindow().getDecorView().getBackground();
+            Bitmap mBitmap = bd.getBitmap();
+            if (mBitmap != null && !mBitmap.isRecycled()) {
+            	getWindow().getDecorView().setBackgroundResource(0);
+                bd.setCallback(null);
+                mBitmap.recycle();
+                mBitmap = null; 
+            }
         }
     }
 

src/cs/si/stavor/fragments/HudFragment.java

@@ -322,7 +322,21 @@ public final class HudFragment extends Fragment {
 			//System.gc();
         	browserLayout.removeView(mXwalkView);
         }
+        //unbindDrawables(getView());
+        //System.gc();
 	    super.onDetach();
 	}
 	
+	private void unbindDrawables(View view) {
+        if (view.getBackground() != null) {
+        view.getBackground().setCallback(null);
+        }
+        if (view instanceof ViewGroup) {
+            for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++) {
+            unbindDrawables(((ViewGroup) view).getChildAt(i));
+            }
+        ((ViewGroup) view).removeAllViews();
+        }
+    }
+	
 }