Implemented automatic reconnection + reconnection activity.

Change-Id: I445fe2acb24ab6992aad4c75f6886f517bdcc0b0

android/sdremote/res/layout/activity_reconnect.xml

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical" >
+
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_centerVertical="true"
+        android:orientation="vertical" >
+
+        <ImageView
+            android:id="@+id/imageView1"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:src="@drawable/warning_exclamation"
+            android:layout_marginBottom="50dp" />
+
+        <TextView
+            android:id="@+id/textView1"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginLeft="10dp"
+            android:layout_marginRight="10dp"
+            android:gravity="center_horizontal"
+            android:text="@string/reconnect_description1"
+            android:textAppearance="?android:attr/textAppearanceMedium" />
+
+        <TextView
+            android:id="@+id/textView2"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginLeft="10dp"
+            android:layout_marginRight="10dp"
+            android:gravity="center_horizontal"
+            android:text="@string/reconnect_description2"
+            android:textAppearance="?android:attr/textAppearanceMedium" />
+
+    </LinearLayout>
+
+</RelativeLayout>
\ No newline at end of file

android/sdremote/res/values/strings.xml

@@ -39,5 +39,6 @@
     <string name="addserver_remember">Remember this server next time</string>
     <string name="addserver_add">Add</string>
     <string name="addserver_cancel">Cancel</string>
-
+    <string name="reconnect_description1">Your connection has been dropped.</string>
+<string name="reconnect_description2">Attempting to reconnect…</string>
 </resources>
\ No newline at end of file

android/sdremote/src/org/libreoffice/impressremote/communication/BluetoothClient.java

@@ -10,13 +10,11 @@ package org.libreoffice.impressremote.communication;
 
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
-import java.net.Socket;
 import java.util.UUID;
 
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothSocket;
-import android.content.Context;
 import android.content.Intent;
 import android.support.v4.content.LocalBroadcastManager;
 
@@ -27,17 +25,13 @@ import android.support.v4.content.LocalBroadcastManager;
  */
 public class BluetoothClient extends Client {
 
-    private static final int PORT = 5;
-
-    private Socket mSocket;
-
-    public BluetoothClient(String bluetoothAddress, Context aContext) {
-        super(aContext);
+    public BluetoothClient(Server aServer,
+                    CommunicationService aCommunicationService) {
+        super(aServer, aCommunicationService);
         try {
             BluetoothAdapter aAdapter = BluetoothAdapter.getDefaultAdapter();
-            System.out.println("Attemtping to connect to:" + bluetoothAddress);
-            BluetoothDevice aDevice = aAdapter
-                            .getRemoteDevice(bluetoothAddress);
+            BluetoothDevice aDevice = aAdapter.getRemoteDevice(aServer
+                            .getAddress());
             aAdapter.cancelDiscovery();
             BluetoothSocket aSocket = aDevice
                             .createRfcommSocketToServiceRecord(UUID
@@ -69,7 +63,8 @@ public class BluetoothClient extends Client {
             }
             Intent aIntent = new Intent(
                             CommunicationService.MSG_PAIRING_SUCCESSFUL);
-            LocalBroadcastManager.getInstance(mContext).sendBroadcast(aIntent);
+            LocalBroadcastManager.getInstance(mCommunicationService)
+                            .sendBroadcast(aIntent);
             startListening();
             // Pairing.
             //            Random aRandom = new Random();

android/sdremote/src/org/libreoffice/impressremote/communication/Client.java

@@ -15,7 +15,7 @@ import java.io.OutputStream;
 import java.io.UnsupportedEncodingException;
 import java.util.ArrayList;
 
-import android.content.Context;
+import android.content.Intent;
 
 /**
  * Generic Client for the remote control. To implement a Client for a specific
@@ -40,10 +40,13 @@ public abstract class Client {
 
     private Receiver mReceiver;
 
-    protected Context mContext;
+    protected Server mServer;
 
-    public Client(Context aContext) {
-        mContext = aContext;
+    protected CommunicationService mCommunicationService;
+
+    protected Client(Server aServer, CommunicationService aCommunicationService) {
+        mServer = aServer;
+        mCommunicationService = aCommunicationService;
         latestInstance = this;
     }
 
@@ -62,25 +65,37 @@ public abstract class Client {
         t.start();
     }
 
-    private void listen() {
+    private final void listen() {
         try {
             while (true) {
                 ArrayList<String> aList = new ArrayList<String>();
                 String aTemp;
                 // read until empty line
-                while ((aTemp = mReader.readLine()).length() != 0) {
+                while ((aTemp = mReader.readLine()) != null
+                                && aTemp.length() != 0) {
                     aList.add(aTemp);
                 }
+                if (aTemp == null) {
+                    mCommunicationService.connectTo(mServer);
+                    Intent aIntent = new Intent(
+                                    mCommunicationService
+                                                    .getApplicationContext(),
+                                    ReconnectionActivity.class);
+                    aIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                    mCommunicationService.getApplicationContext()
+                                    .startActivity(aIntent);
+                    return;
+                }
                 mReceiver.parseCommand(aList);
             }
         } catch (UnsupportedEncodingException e) {
-            // TODO Auto-generated catch block
             e.printStackTrace();
         } catch (IOException e1) {
             // TODO stream couldn't be opened.
             e1.printStackTrace();
+        } finally {
+            latestInstance = null;
         }
-        latestInstance = null;
 
     }
 
@@ -105,7 +120,8 @@ public abstract class Client {
             throw new Error("Specified network encoding [" + CHARSET
                             + " not available.");
         } catch (IOException e) {
-            // TODO Notify that stream has closed.
+            // I.e. connection closed. This will be dealt with by the listening
+            // loop.
         }
     }
 

android/sdremote/src/org/libreoffice/impressremote/communication/CommunicationService.java

@@ -89,8 +89,7 @@ public class CommunicationService extends Service implements Runnable {
                             mClient = new NetworkClient(mServerDesired, this);
                             break;
                         case BLUETOOTH:
-                            mClient = new BluetoothClient(
-                                            mServerDesired.getAddress(), this);
+                            mClient = new BluetoothClient(mServerDesired, this);
                             break;
                         }
                         mTransmitter = new Transmitter(mClient);

android/sdremote/src/org/libreoffice/impressremote/communication/NetworkClient.java

@@ -15,7 +15,6 @@ import java.net.Socket;
 import java.net.UnknownHostException;
 import java.util.Random;
 
-import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
@@ -32,8 +31,9 @@ public class NetworkClient extends Client {
 
     private Socket mSocket;
 
-    public NetworkClient(Server aServer, Context aContext) {
-        super(aContext);
+    public NetworkClient(Server aServer,
+                    CommunicationService aCommunicationService) {
+        super(aServer, aCommunicationService);
         try {
             mSocket = new Socket(aServer.getAddress(), PORT);
             mInputStream = mSocket.getInputStream();
@@ -46,7 +46,8 @@ public class NetworkClient extends Client {
                             CommunicationService.MSG_PAIRING_STARTED);
             aIntent.putExtra("PIN", aPin);
             mPin = aPin;
-            LocalBroadcastManager.getInstance(mContext).sendBroadcast(aIntent);
+            LocalBroadcastManager.getInstance(mCommunicationService)
+                            .sendBroadcast(aIntent);
             // Send out
             String aName = CommunicationService.getDeviceName(); // TODO: get the proper name
             sendCommand("LO_SERVER_CLIENT_PAIR\n" + aName + "\n" + aPin
@@ -61,8 +62,8 @@ public class NetworkClient extends Client {
             } else {
                 aIntent = new Intent(
                                 CommunicationService.MSG_PAIRING_SUCCESSFUL);
-                LocalBroadcastManager.getInstance(mContext).sendBroadcast(
-                                aIntent);
+                LocalBroadcastManager.getInstance(mCommunicationService)
+                                .sendBroadcast(aIntent);
             }
             while (mReader.readLine().length() != 0) {
                 // Get rid of extra lines
@@ -82,9 +83,9 @@ public class NetworkClient extends Client {
 
     private String setupPin(Server aServer) {
         // Get settings
-        SharedPreferences aPreferences = mContext.getSharedPreferences(
-                        "sdremote_authorisedremotes",
-                        android.content.Context.MODE_PRIVATE);
+        SharedPreferences aPreferences = mCommunicationService
+                        .getSharedPreferences("sdremote_authorisedremotes",
+                                        android.content.Context.MODE_PRIVATE);
         if (aPreferences.contains(aServer.getName())) {
             return aPreferences.getString(aServer.getName(), "");
         } else {

android/sdremote/src/org/libreoffice/impressremote/communication/ReconnectionActivity.java

+package org.libreoffice.impressremote.communication;
+
+import org.libreoffice.impressremote.R;
+
+import android.os.Bundle;
+
+import com.actionbarsherlock.app.SherlockActivity;
+
+public class ReconnectionActivity extends SherlockActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        // TODO Auto-generated method stub
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_reconnect);
+    }
+
+}