added menu and activity to toggel WiFi state

app/src/main/AndroidManifest.xml

@@ -8,6 +8,8 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <!-- to retrieve the SSID -->
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <!-- to toggle WiFi state -->
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
 
     <application
         android:allowBackup="true"
@@ -25,6 +27,11 @@
                 android:name="com.google.android.glass.VoiceTrigger"
                 android:resource="@xml/voice_trigger" />
         </activity>
+        <activity
+            android:name="com.hackncheese.glassnetinfo.ToggleWifiActivity"
+            android:icon="@drawable/ic_world_50"
+            android:label="@string/title_activity_toggle_wifi" >
+        </activity>
     </application>
 
 </manifest>

app/src/main/java/com/hackncheese/glassnetinfo/MainActivity.java

@@ -2,6 +2,7 @@
 
 import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
 import android.media.AudioManager;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
@@ -12,8 +13,6 @@
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
-import android.view.View;
-import android.widget.AdapterView;
 
 import com.google.android.glass.media.Sounds;
 import com.google.android.glass.widget.CardScrollView;
@@ -95,7 +94,7 @@ public boolean onOptionsItemSelected(MenuItem item) {
                 updateInfo();
                 return true;
             case R.id.toggle_wifi:
-                /*startActivity(new Intent(this, ToggleWifiActivity.class));*/
+                startActivity(new Intent(this, ToggleWifiActivity.class));
                 return true;
             default:
                 return super.onOptionsItemSelected(item);

app/src/main/java/com/hackncheese/glassnetinfo/ToggleWifiActivity.java

@@ -0,0 +1,118 @@
+package com.hackncheese.glassnetinfo;
+
+import com.google.android.glass.media.Sounds;
+import com.google.android.glass.widget.CardBuilder;
+import com.google.android.glass.widget.CardScrollAdapter;
+import com.google.android.glass.widget.CardScrollView;
+
+import android.app.Activity;
+import android.content.Context;
+import android.media.AudioManager;
+import android.net.wifi.WifiManager;
+import android.os.Bundle;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+
+/**
+ * Toggles the WiFi state
+ */
+public class ToggleWifiActivity extends Activity {
+
+    private CardScrollView mCardScroller;
+
+    private View mView;
+
+    private boolean wifiState;
+
+    @Override
+    protected void onCreate(Bundle bundle) {
+        super.onCreate(bundle);
+
+        toggleWifiState();
+        mView = buildView();
+
+        mCardScroller = new CardScrollView(this);
+        mCardScroller.setAdapter(new CardScrollAdapter() {
+            @Override
+            public int getCount() {
+                return 1;
+            }
+
+            @Override
+            public Object getItem(int position) {
+                return mView;
+            }
+
+            @Override
+            public View getView(int position, View convertView, ViewGroup parent) {
+                return mView;
+            }
+
+            @Override
+            public int getPosition(Object item) {
+                if (mView.equals(item)) {
+                    return 0;
+                }
+                return AdapterView.INVALID_POSITION;
+            }
+        });
+        // Handle the TAP event.
+        mCardScroller.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                toggleWifiState();
+                mView = buildView();
+                mCardScroller.getAdapter().notifyDataSetChanged();
+                // play a nice sound
+                AudioManager am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
+                am.playSoundEffect(Sounds.SUCCESS);
+            }
+        });
+        setContentView(mCardScroller);
+
+        // play a nice sound
+        AudioManager am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
+        am.playSoundEffect(Sounds.SUCCESS);
+
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        mCardScroller.activate();
+    }
+
+    @Override
+    protected void onPause() {
+        mCardScroller.deactivate();
+        super.onPause();
+    }
+
+    /**
+     * Toggles the state of WiFi
+     */
+    private void toggleWifiState() {
+        WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
+        wifiState = !wifiManager.isWifiEnabled();
+        wifiManager.setWifiEnabled(wifiState);
+    }
+
+    /**
+     * Builds a Glass styled view showing the WiFi state.
+     */
+    private View buildView() {
+        CardBuilder card = new CardBuilder(this, CardBuilder.Layout.TEXT);
+
+        String txt;
+        if (wifiState) {
+            txt = "WiFi is now enabled";
+        } else {
+            txt = "WiFi is now disabled";
+        }
+
+        card.setText(txt);
+        return card.getView();
+    }
+
+}

app/src/main/res/menu/main.xml

@@ -5,7 +5,6 @@
         android:title="@string/menu_refresh" />
     <item android:id="@+id/toggle_wifi"
         android:icon="@drawable/ic_world_50"
-        android:title="@string/menu_toggle_wifi"
-        android:enabled="false"/>
+        android:title="@string/menu_toggle_wifi" />
 
 </menu>

app/src/main/res/values/strings.xml

@@ -2,19 +2,19 @@
 <resources>
 
     <string name="app_name">GlassNetInfo</string>
-    <string name="title_activity_main">Show Network Info</string>
 
+    <string name="title_activity_main">Show Network Info</string>
     <string name="glass_voice_trigger">Show network info</string>
 
+    <string name="title_activity_toggle_wifi">Toggle WiFi</string>
+
     <string name="wifi_ip_label">WiFi IP</string>
     <string name="wifi_ssid_label">SSID</string>
     <string name="ext_ip_label">Ext IP</string>
     <string name="ext_provider_label">Provider</string>
     <string name="retrieving">retrieving&#8230;</string>
-
     <string name="wlan_na">n/a</string>
     <string name="ssid_na">n/a</string>
-
     <string name="http_response_na">n/a</string>
     <string name="http_response_timeout">(timed out)</string>