From d989fd15232f111bedf79a36c9ec6870357fc26e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kjetil=20=C3=98rbekk?= <kjetil.orbekk@gmail.com>
Date: Tue, 7 Feb 2012 15:04:02 +0100
Subject: Extend SameService.
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– Binding to SameService now possible.
– Broadcast created for available networks.
---
 same-android/AndroidManifest.xml                   |  1 +
 same-android/res/layout/controller.xml             | 18 ++++--
 same-android/res/layout/list_text_item.xml         |  7 +++
 .../java/com/orbekk/SameControllerActivity.java    | 69 +++++++++++++++++++++-
 .../java/com/orbekk/discovery/SameService.java     | 39 +++++++++++-
 5 files changed, 125 insertions(+), 9 deletions(-)
 create mode 100644 same-android/res/layout/list_text_item.xml

(limited to 'same-android')

diff --git a/same-android/AndroidManifest.xml b/same-android/AndroidManifest.xml
index a839f8c..88b2208 100644
--- a/same-android/AndroidManifest.xml
+++ b/same-android/AndroidManifest.xml
@@ -14,6 +14,7 @@
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
+                <action android:name="com.orbekk.same.SameService.action.AVAILABLE_NETWORKS_UPDATE" />
             </intent-filter>
         </activity>
         
diff --git a/same-android/res/layout/controller.xml b/same-android/res/layout/controller.xml
index 6cfea80..a85cacd 100644
--- a/same-android/res/layout/controller.xml
+++ b/same-android/res/layout/controller.xml
@@ -17,6 +17,18 @@
         android:onClick="createNetwork"
         android:text="Create" />
 
+    <ListView
+        android:id="@+id/network_list"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+    </ListView>
+    
+    <Button
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:onClick="searchNetworks"
+        android:text="Search" />
+
     <EditText
         android:id="@+id/master_service_url"
         android:layout_width="match_parent"
@@ -28,12 +40,6 @@
         android:onClick="joinNetwork"
         android:text="Join" />
 
-    <ListView
-        android:id="@+id/network_list"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content" >
-    </ListView>
-
     <Button
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
diff --git a/same-android/res/layout/list_text_item.xml b/same-android/res/layout/list_text_item.xml
new file mode 100644
index 0000000..3aa90dd
--- /dev/null
+++ b/same-android/res/layout/list_text_item.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="10dp"
+    android:textSize="16sp">
+</TextView>
\ No newline at end of file
diff --git a/same-android/src/main/java/com/orbekk/SameControllerActivity.java b/same-android/src/main/java/com/orbekk/SameControllerActivity.java
index a288789..0a9d387 100644
--- a/same-android/src/main/java/com/orbekk/SameControllerActivity.java
+++ b/same-android/src/main/java/com/orbekk/SameControllerActivity.java
@@ -1,6 +1,7 @@
 package com.orbekk;
 
 import java.net.InetAddress;
+import java.util.ArrayList;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -9,15 +10,52 @@ import com.orbekk.discovery.Broadcaster;
 import com.orbekk.discovery.SameService;
 
 import android.app.Activity;
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.ServiceConnection;
 import android.os.Bundle;
+import android.os.IBinder;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.RemoteException;
 import android.view.View;
+import android.widget.ArrayAdapter;
 import android.widget.EditText;
+import android.widget.ListView;
 import android.widget.TextView;
+import android.widget.Toast;
 
 public class SameControllerActivity extends Activity { 
     private Logger logger = LoggerFactory.getLogger(getClass());
-   
+    private Messenger sameService = null;
+    
+    private ServiceConnection sameConnection = new ServiceConnection() {
+        @Override
+        public void onServiceConnected(ComponentName name, IBinder service) {
+            sameService = new Messenger(service);
+        }
+        
+        @Override
+        public void onServiceDisconnected(ComponentName name) {
+            sameService = null;
+        }
+    };
+    
+    private BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (SameService.AVAILABLE_NETWORKS_UPDATE.equals(intent.getAction())) {
+                ArrayList<String> networkList = intent.getStringArrayListExtra(
+                    SameService.AVAILABLE_NETWORKS);
+                Toast.makeText(SameControllerActivity.this, networkList.toString(),
+                        Toast.LENGTH_SHORT).show();
+            }
+        }
+    };
+    
     public void createNetwork(View unused) {
         logger.info("Creating network");
         Intent intent = new Intent(this, SameService.class);
@@ -49,6 +87,22 @@ public class SameControllerActivity extends Activity {
     public void doneClicked(View unused) {
         finish();
     }
+    
+    public void searchNetworks(View unused) {
+        Toast.makeText(this, "Discovering networks", Toast.LENGTH_SHORT).show();
+        final String[] listItems = new String[]{"First item", "Second item"};
+        ListView list = (ListView)findViewById(R.id.network_list);
+        list.setAdapter(new ArrayAdapter<String>(this, R.layout.list_text_item,
+                listItems));
+        
+        Message message = Message.obtain(null, SameService.DISPLAY_MESSAGE,
+                "Message from Activity!");
+        try {
+            sameService.send(message);
+        } catch (RemoteException e) {
+            logger.error("Failed to send message", e);
+        }
+    }
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -58,7 +112,18 @@ public class SameControllerActivity extends Activity {
         System.setProperty("java.net.preferIPv6Addresses", "false");
 
         setContentView(R.layout.controller);        
-        showIpAddress(); 
+        showIpAddress();
+        
+        Intent intent = new Intent(this, SameService.class);
+        bindService(intent, sameConnection, Context.BIND_AUTO_CREATE);
+    }
+    
+    @Override public void onResume() {
+        super.onResume();
+        
+        IntentFilter sameServiceUpdates = new IntentFilter(
+                SameService.AVAILABLE_NETWORKS_UPDATE);
+        registerReceiver(broadcastReceiver, sameServiceUpdates);
     }
     
     @Override
diff --git a/same-android/src/main/java/com/orbekk/discovery/SameService.java b/same-android/src/main/java/com/orbekk/discovery/SameService.java
index 44f0013..c43d4ff 100644
--- a/same-android/src/main/java/com/orbekk/discovery/SameService.java
+++ b/same-android/src/main/java/com/orbekk/discovery/SameService.java
@@ -1,8 +1,10 @@
 package com.orbekk.discovery;
 
+import java.util.List;
 import java.net.DatagramPacket;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
+import java.util.ArrayList;
 import java.util.Properties;
 
 import android.app.Service;
@@ -10,6 +12,7 @@ import android.content.Intent;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Message;
+import android.os.Messenger;
 import android.widget.Toast;
 
 import org.slf4j.Logger;
@@ -21,13 +24,22 @@ import com.orbekk.same.SameController;
 import com.orbekk.same.config.Configuration;
 
 public class SameService extends Service {
+    public final static int DISPLAY_MESSAGE = 1;
+
+    public final static String AVAILABLE_NETWORKS_UPDATE =
+            "com.orbekk.same.SameService.action.AVAILABLE_NETWORKS_UPDATE";
+    public final static String AVAILABLE_NETWORKS =
+            "com.orbekk.same.SameService.action.AVAILABLE_NETWORKS";
+
     final static int PORT = 15066;
     final static int SERVICE_PORT = 15068;
+    
     private Logger logger = LoggerFactory.getLogger(getClass());
     private Thread discoveryThread = null;
     private SameController sameController = null;
     private Configuration configuration = null;
     
+    /** This class should go away >:-/ */
     public final class DiscoveryThread extends Thread {
         Broadcaster broadcast;
         DiscoveryListener listener;
@@ -74,6 +86,31 @@ public class SameService extends Service {
         }
     };
     
+    
+    class InterfaceHandler extends Handler {
+        @Override public void handleMessage(Message message) {
+            switch (message.what) {
+                case DISPLAY_MESSAGE:
+                    Toast.makeText(SameService.this,
+                        (String)message.obj, Toast.LENGTH_SHORT)
+                            .show();
+                            
+                    Intent intent = new Intent(AVAILABLE_NETWORKS_UPDATE);
+                    ArrayList<String> networkList = new ArrayList<String>();
+                    networkList.add("FirstNetwork");
+                    intent.putStringArrayListExtra(AVAILABLE_NETWORKS,
+                        networkList);
+                    sendBroadcast(intent);
+                        
+                    break;
+                default:
+                    super.handleMessage(message);
+            }
+        }
+    }
+    
+    private final Messenger messenger = new Messenger(new InterfaceHandler());
+    
     private void createNetwork() {
         if (discoveryThread == null) {
             synchronized (this) {
@@ -124,7 +161,7 @@ public class SameService extends Service {
     
     @Override
     public IBinder onBind(Intent intent) {
-        return null;
+        return messenger.getBinder();
     }
     
     @Override
-- 
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