From 4e77ec5bedae0799157a50e2045d13e301e45984 Mon Sep 17 00:00:00 2001
From: bulic <bulic@google.com>
Date: Wed, 19 Nov 2014 20:29:24 -0800
Subject: Checking internet connectivity for widget

b/17916808

Change-Id: If79524e89a25c39d0339804d20d3c95b82e5dfbc
---
 apps/LeanbackWidget/AndroidManifest.xml            |  5 +---
 .../partnerwidget/ClockWidgetProvider.java         | 33 +++++++++++++++++++---
 2 files changed, 30 insertions(+), 8 deletions(-)

(limited to 'apps')

diff --git a/apps/LeanbackWidget/AndroidManifest.xml b/apps/LeanbackWidget/AndroidManifest.xml
index 8a0f819..9474560 100644
--- a/apps/LeanbackWidget/AndroidManifest.xml
+++ b/apps/LeanbackWidget/AndroidManifest.xml
@@ -11,11 +11,8 @@
     <application android:label="@string/app_label">
         <receiver android:name=".ClockWidgetProvider" >
             <intent-filter>
-                <!-- broadcasts that could indicate our internet connection status has changed -->
+                <action android:name="android.net.conn.INET_CONDITION_ACTION" />
                 <action android:name="android.net.conn.CONNECTIVITY_CHANGE" />
-                <action android:name="android.net.wifi.RSSI_CHANGED" />
-                <action android:name="com.google.android.gcm.CONNECTED" />
-                <action android:name="com.google.android.gcm.DISCONNECTED" />
 
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
             </intent-filter>
diff --git a/apps/LeanbackWidget/src/com/google/android/leanbacklauncher/partnerwidget/ClockWidgetProvider.java b/apps/LeanbackWidget/src/com/google/android/leanbacklauncher/partnerwidget/ClockWidgetProvider.java
index 9928ca8..2bc0d57 100644
--- a/apps/LeanbackWidget/src/com/google/android/leanbacklauncher/partnerwidget/ClockWidgetProvider.java
+++ b/apps/LeanbackWidget/src/com/google/android/leanbacklauncher/partnerwidget/ClockWidgetProvider.java
@@ -8,14 +8,26 @@ import android.content.Context;
 import android.content.Intent;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
-import android.os.Bundle;
-import android.text.TextUtils;
 import android.widget.RemoteViews;
 
 public class ClockWidgetProvider extends AppWidgetProvider {
 
+    private static final String SHARED_PREFS = "widget-prefs";
+    private static final int INET_CONDITION_THRESHOLD = 50;
+    private static final String INET_CONDITION_ACTION = "android.net.conn.INET_CONDITION_ACTION";
+    private static final String EXTRA_INET_CONDITION = "inetCondition";
+
     @Override
     public void onReceive(Context context, Intent intent) {
+        String intentAction = intent.getAction();
+        if (INET_CONDITION_ACTION.equals(intentAction)) {
+            // a broadcast with this intent action is only fired when we are actually connected
+            // (i.e connectionStatus = 100).  So, clearing connectivity status when changing
+            // networks is required
+            int connectionStatus = intent.getIntExtra(EXTRA_INET_CONDITION, -551);
+            writeConnectivity(context, connectionStatus > INET_CONDITION_THRESHOLD);
+        }
+
         update(context);
         super.onReceive(context, intent);
     }
@@ -45,9 +57,11 @@ public class ClockWidgetProvider extends AppWidgetProvider {
         NetworkInfo info = cm.getActiveNetworkInfo();
 
         int resId = 0;
-        if (info == null || !info.isAvailable()) {
+        if (info == null || !info.isAvailable() || !info.isConnected()) {
+            // can't have Internet access with no network
+            writeConnectivity(context, false);
             resId = R.drawable.ic_widget_wifi_not_connected;
-        } else if (!info.isConnected()) {
+        } else if (!readConnectivity(context)) {
             resId = R.drawable.ic_widget_wifi_no_internet;
         } else {
             // internet is connected and working, show nothing
@@ -56,4 +70,15 @@ public class ClockWidgetProvider extends AppWidgetProvider {
 
         return resId;
     }
+
+    private static void writeConnectivity(Context context, boolean inetConnected) {
+        context.getSharedPreferences(SHARED_PREFS, Context.MODE_PRIVATE).edit()
+                .putBoolean(EXTRA_INET_CONDITION, inetConnected).apply();
+    }
+
+    private static boolean readConnectivity(Context context) {
+        return context.getSharedPreferences(SHARED_PREFS, Context.MODE_PRIVATE).getBoolean(
+                EXTRA_INET_CONDITION, false);
+    }
+
 }
-- 
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