Refresh drawer items when opening (fixes #217).

Also close the drawer when navigating away.

src/main/java/com/nutomic/syncthingandroid/activities/MainActivity.java

@@ -10,7 +10,7 @@ import android.content.res.Configuration;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.preference.PreferenceManager;
-import android.support.v4.app.ActionBarDrawerToggle;
+import android.support.v7.app.ActionBarDrawerToggle;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentPagerAdapter;
@@ -20,6 +20,7 @@ import android.support.v4.widget.DrawerLayout;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.ActionBar.Tab;
 import android.support.v7.app.ActionBar.TabListener;
+import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.MenuItem;
 import android.view.View;
@@ -193,7 +194,7 @@ public class MainActivity extends SyncthingActivity
                 .beginTransaction()
                 .replace(R.id.drawer, mDrawerFragment)
                 .commit();
-        mDrawerToggle = new Toggle(this, mDrawerLayout, R.drawable.ic_drawer);
+        mDrawerToggle = new Toggle(this, mDrawerLayout);
         mDrawerLayout.setDrawerListener(mDrawerToggle);
     }
 
@@ -245,11 +246,7 @@ public class MainActivity extends SyncthingActivity
 
     @Override
      public boolean onOptionsItemSelected(MenuItem item) {
-        if (mDrawerToggle.onOptionsItemSelected(item)) {
-            return true;
-        }
-
-        return super.onOptionsItemSelected(item);
+        return mDrawerToggle.onOptionsItemSelected(item) || super.onOptionsItemSelected(item);
     }
 
 
@@ -257,8 +254,8 @@ public class MainActivity extends SyncthingActivity
      * Receives drawer opened and closed events.
      */
     public class Toggle extends ActionBarDrawerToggle {
-        public Toggle(Activity activity, DrawerLayout drawerLayout, int drawerImageRes) {
-            super(activity, drawerLayout, drawerImageRes, R.string.app_name, R.string.app_name);
+        public Toggle(Activity activity, DrawerLayout drawerLayout) {
+            super(activity, drawerLayout, R.string.app_name, R.string.app_name);
         }
 
         @Override
@@ -278,4 +275,11 @@ public class MainActivity extends SyncthingActivity
         }
     }
 
+    /**
+     * Closes the drawer. Use when navigating away from activity.
+     */
+    public void closeDrawer() {
+        mDrawerLayout.closeDrawer(Gravity.START);
+    }
+
 }

src/main/java/com/nutomic/syncthingandroid/fragments/DrawerFragment.java

@@ -48,6 +48,8 @@ public class DrawerFragment extends Fragment implements RestApi.OnReceiveSystemI
 
     private TextView mAnnounceServer;
 
+    private ListView mList;
+
     private Timer mTimer;
 
     private MainActivity mActivity;
@@ -88,6 +90,12 @@ public class DrawerFragment extends Fragment implements RestApi.OnReceiveSystemI
         }, 0, SyncthingService.GUI_UPDATE_INTERVAL);
     }
 
+    @Override
+    public void onResume() {
+        super.onResume();
+        initMenu();
+    }
+
     public void onDrawerClosed() {
         mTimer.cancel();
         mTimer = null;
@@ -105,22 +113,30 @@ public class DrawerFragment extends Fragment implements RestApi.OnReceiveSystemI
         mDownload       = (TextView) view.findViewById(R.id.download);
         mUpload         = (TextView) view.findViewById(R.id.upload);
         mAnnounceServer = (TextView) view.findViewById(R.id.announce_server);
+        mList           = (ListView) view.findViewById(android.R.id.list);
 
-        ArrayList<Pair<Integer, Integer>> items = new ArrayList<>();
-        items.add(new Pair<>(R.drawable.ic_action_share, R.string.share_device_id));
-        items.add(new Pair<>(R.drawable.ic_menu_browser, R.string.web_gui_title));
-        items.add(new Pair<>(R.drawable.ic_action_settings, R.string.settings_title));
-        items.add(new Pair<>(R.drawable.ic_action_donate, R.string.donate));
-        if (!SyncthingService.alwaysRunInBackground(getActivity())) {
-            items.add(new Pair<>(R.drawable.ic_menu_close_clear_cancel, R.string.exit));
-        }
-        ListView list = (ListView) view.findViewById(android.R.id.list);
-        list.setAdapter(new MenuAdapter(getActivity(), items));
-        list.setOnItemClickListener(this);
+        initMenu();
+        mList.setOnItemClickListener(this);
 
         return view;
     }
 
+    /**
+     * Repopulates menu items.
+     */
+    private void initMenu() {
+        MenuAdapter adapter =
+                new MenuAdapter(getActivity(), new ArrayList<Pair<Integer, Integer>>());
+        adapter.add(new Pair<>(R.drawable.ic_action_share, R.string.share_device_id));
+        adapter.add(new Pair<>(R.drawable.ic_menu_browser, R.string.web_gui_title));
+        adapter.add(new Pair<>(R.drawable.ic_action_settings, R.string.settings_title));
+        adapter.add(new Pair<>(R.drawable.ic_action_donate, R.string.donate));
+        if (!SyncthingService.alwaysRunInBackground(getActivity()))
+            adapter.add(new Pair<>(R.drawable.ic_menu_close_clear_cancel, R.string.exit));
+
+        mList.setAdapter(adapter);
+    }
+
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
@@ -197,18 +213,22 @@ public class DrawerFragment extends Fragment implements RestApi.OnReceiveSystemI
                 break;
             case 1:
                 startActivity(new Intent(mActivity, WebGuiActivity.class));
+                mActivity.closeDrawer();
                 break;
             case 2:
                 startActivity(new Intent(mActivity, SettingsActivity.class)
                         .setAction(SettingsActivity.ACTION_APP_SETTINGS_FRAGMENT));
+                mActivity.closeDrawer();
                 break;
             case 3:
                 startActivity(new Intent(
                         Intent.ACTION_VIEW, Uri.parse(getString(R.string.donate_url))));
+                mActivity.closeDrawer();
                 break;
             case 4:
                 mActivity.stopService(new Intent(mActivity, SyncthingService.class));
                 mActivity.finish();
+                mActivity.closeDrawer();
                 break;
         }
     }