Add some more summaries for Settings Home

Change-Id: Iaca8db6bdce87e667832b5b670e4eb027580b668

src/com/android/settings/nfc/NfcPaymentPreference.java

@@ -15,6 +15,7 @@
  */
 package com.android.settings.nfc;
 
+import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.ActivityNotFoundException;
 import android.content.Context;
@@ -32,6 +33,7 @@ import android.widget.RadioButton;
 
 import com.android.settings.CustomDialogPreference;
 import com.android.settings.R;
+import com.android.settings.dashboard.SummaryLoader;
 import com.android.settings.nfc.PaymentBackend.PaymentAppInfo;
 
 import java.util.List;

src/com/android/settings/nfc/PaymentSettings.java

@@ -16,6 +16,8 @@
 
 package com.android.settings.nfc;
 
+import android.app.Activity;
+import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.support.v7.preference.PreferenceManager;
@@ -25,9 +27,12 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+
 import com.android.internal.logging.MetricsLogger;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.dashboard.SummaryLoader;
+import com.android.settings.nfc.PaymentBackend.PaymentAppInfo;
 
 import java.util.List;
 
@@ -93,4 +98,35 @@ public class PaymentSettings extends SettingsPreferenceFragment {
         menuItem.setIntent(howItWorksIntent);
         menuItem.setShowAsActionFlags(MenuItem.SHOW_AS_ACTION_NEVER);
     }
+
+    private static class SummaryProvider implements SummaryLoader.SummaryProvider {
+
+        private final Context mContext;
+        private final SummaryLoader mSummaryLoader;
+
+        public SummaryProvider(Context context, SummaryLoader summaryLoader) {
+            mContext = context;
+            mSummaryLoader = summaryLoader;
+        }
+
+        @Override
+        public void setListening(boolean listening) {
+            if (listening) {
+                PaymentBackend paymentBackend = new PaymentBackend(mContext);
+                paymentBackend.refresh();
+                PaymentAppInfo app = paymentBackend.getDefaultApp();
+                mSummaryLoader.setSummary(this, mContext.getString(R.string.payment_summary,
+                        app.label));
+            }
+        }
+    }
+
+    public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY
+            = new SummaryLoader.SummaryProviderFactory() {
+        @Override
+        public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity,
+                                                                   SummaryLoader summaryLoader) {
+            return new SummaryProvider(activity, summaryLoader);
+        }
+    };
 }