Added functionality to switch data sources (network data source does not work yet though!).

app/src/main/java/uk/org/openseizuredetector/OsdUtil.java

@@ -36,6 +36,7 @@ import android.net.Uri;
 import android.os.IBinder;
 import android.util.Log;
 import android.view.MenuItem;
+import android.widget.Toast;
 
 import org.apache.http.conn.util.InetAddressUtils;
 
@@ -177,6 +178,13 @@ public class OsdUtil {
         return null;
     }
 
-
+    /**
+     * Display a Toast message on screen.
+     * @param msg - message to display.
+     */
+    public void showToast(String msg) {
+        Toast.makeText(mContext, msg,
+                Toast.LENGTH_LONG).show();
+    }
 
 }

app/src/main/java/uk/org/openseizuredetector/SdDataSource.java

@@ -37,6 +37,7 @@ interface SdDataReceiver {
  */
 public abstract class SdDataSource {
     public SdData mSdData;
+    public String mName = "undefined";
     protected Context mContext;
     protected SdDataReceiver mSdDataReceiver;
     private String TAG = "SdDataSource";

app/src/main/java/uk/org/openseizuredetector/SdDataSourceNetwork.java

@@ -0,0 +1,14 @@
+package uk.org.openseizuredetector;
+
+import android.content.Context;
+
+/**
+ * Created by graham on 22/11/15.
+ */
+public class SdDataSourceNetwork extends SdDataSource {
+
+    public SdDataSourceNetwork(Context context, SdDataReceiver sdDataReceiver) {
+        super(context,sdDataReceiver);
+        mName = "Network";
+    }
+}

app/src/main/java/uk/org/openseizuredetector/SdDataSourcePebble.java

@@ -97,6 +97,7 @@ public class SdDataSourcePebble extends SdDataSource {
 
     public SdDataSourcePebble(Context context, SdDataReceiver sdDataReceiver) {
         super(context,sdDataReceiver);
+        mName = "Pebble";
     }
 
 

app/src/main/java/uk/org/openseizuredetector/SdServer.java

@@ -84,6 +84,7 @@ public class SdServer extends Service implements SdDataReceiver {
     private WakeLock mWakeLock = null;
     public SdDataSource mSdDataSource;
     public SdData mSdData;
+    private String mSdDataSourceName = "undefined";  // The name of the data soruce specified in the preferences.
     private boolean mLatchAlarms = false;
     private boolean mCancelAudible = false;
     private boolean mAudibleAlarm = false;
@@ -96,6 +97,7 @@ public class SdServer extends Service implements SdDataReceiver {
     private boolean mLogAlarms = true;
     private boolean mLogData = false;
     private File mOutFile;
+    private OsdUtil mUtil;
 
     private final IBinder mBinder = new SdBinder();
 
@@ -134,6 +136,7 @@ public class SdServer extends Service implements SdDataReceiver {
     public void onCreate() {
         Log.v(TAG, "onCreate()");
 
+        mUtil = new OsdUtil(getApplicationContext());
 
         // Create a wake lock, but don't use it until the service is started.
         PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
@@ -152,7 +155,22 @@ public class SdServer extends Service implements SdDataReceiver {
         // Update preferences.
         Log.v(TAG, "onStartCommand() - calling updatePrefs()");
         updatePrefs();
-        mSdDataSource = new SdDataSourcePebble(this.getApplicationContext(), this);
+
+        Log.v(TAG, "onStartCommand: Datasource =" + mSdDataSourceName);
+        switch (mSdDataSourceName) {
+            case "Pebble":
+                Log.v(TAG,"Selecting Pebble DataSource");
+                mSdDataSource = new SdDataSourcePebble(this.getApplicationContext(), this);
+                break;
+            case "Network":
+                Log.v(TAG, "Selecting Network DataSource");
+                mSdDataSource = new SdDataSourceNetwork(this.getApplicationContext(),this);
+                break;
+            default:
+                Log.v(TAG, "Datasource " + mSdDataSourceName + " not recognised - Exiting");
+                mUtil.showToast("Datasource " + mSdDataSourceName + " not recognised - Exiting");
+                return 1;
+        }
         mSdDataSource.start();
 
 
@@ -491,6 +509,8 @@ public class SdServer extends Service implements SdDataReceiver {
         SharedPreferences SP = PreferenceManager
                 .getDefaultSharedPreferences(getBaseContext());
         try {
+            mSdDataSourceName = SP.getString("DataSource","undefined");
+            Log.v(TAG,"updatePrefs() - DataSource = "+mSdDataSourceName);
             mLatchAlarms = SP.getBoolean("LatchAlarms", false);
             Log.v(TAG, "updatePrefs() - mLatchAlarms = " + mLatchAlarms);
             mAudibleFaultWarning = SP.getBoolean("AudibleFaultWarning", true);

app/src/main/java/uk/org/openseizuredetector/StartupActivity.java

@@ -26,11 +26,13 @@ package uk.org.openseizuredetector;
 
 import android.app.Activity;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.graphics.Color;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.Handler;
+import android.preference.PreferenceManager;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
@@ -101,6 +103,14 @@ public class StartupActivity extends Activity {
     @Override
     protected void onStart() {
         super.onStart();
+
+        // Display the DataSource name
+        SharedPreferences SP = PreferenceManager
+                .getDefaultSharedPreferences(getBaseContext());;
+        String dataSourceName = SP.getString("DataSource","undefined");
+        TextView tv = (TextView)findViewById(R.id.dataSourceTextView);
+        tv.setText("DataSource = "+dataSourceName);
+
         if (mUtil.isServerRunning()) {
             Log.v(TAG, "onStart() - server running - stopping it");
             mUtil.stopServer();

app/src/main/res/layout/startup_activity.xml

@@ -26,7 +26,7 @@
         android:layout_height="wrap_content"
         android:textAppearance="?android:attr/textAppearanceMedium"
         android:text="Starting......"
-        android:id="@+id/textView3"
+        android:id="@+id/dataSourceTextView"
         android:layout_gravity="center_horizontal" />
 
     <LinearLayout

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

@@ -5,8 +5,8 @@
         <item>"Network"</item>
     </string-array>
     <string-array name="datasource_list_values">
-        <item>"pebble"</item>
+        <item>"Pebble"</item>
-        <item>"network"</item>
+        <item>"Network"</item>
     </string-array>
 
 </resources>