Refresh AppDetails header on package state change

Update the application details to display the correct state on
application install/uninstall.

Should fix issue #161
https://gitlab.com/fdroid/fdroidclient/issues/161

F-Droid/src/org/fdroid/fdroid/AppDetails.java

@@ -491,6 +491,7 @@ public class AppDetails extends ActionBarActivity implements ProgressListener, A
     protected void onResumeFragments() {
         super.onResumeFragments();
         refreshApkList();
+        refreshHeader();
         supportInvalidateOptionsMenu();
     }
 
@@ -544,6 +545,7 @@ public class AppDetails extends ActionBarActivity implements ProgressListener, A
         }
 
         refreshApkList();
+        refreshHeader();
         supportInvalidateOptionsMenu();
     }
 
@@ -643,6 +645,12 @@ public class AppDetails extends ActionBarActivity implements ProgressListener, A
         adapter.notifyDataSetChanged();
     }
 
+    private void refreshHeader() {
+        AppDetailsHeaderFragment headerFragment = (AppDetailsHeaderFragment)
+                getSupportFragmentManager().findFragmentById(R.id.header);
+        headerFragment.refresh();
+    }
+
     @Override
     public boolean onPrepareOptionsMenu(Menu menu) {
 
@@ -1347,6 +1355,10 @@ public class AppDetails extends ActionBarActivity implements ProgressListener, A
         @Override
         public void onResume() {
             super.onResume();
+            refresh();
+        }
+
+        public void refresh() {
             updateViews(getView());
         }