Move the sample text logic into SpeechSynthesis.getSampleText and add test cases for it.

android/src/com/reecedunn/espeak/SpeechSynthesis.java

@@ -1,4 +1,5 @@
 /*
+ * Copyright (C) 2012 Reece H. Dunn
  * Copyright (C) 2011 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -24,7 +25,10 @@
 package com.reecedunn.espeak;
 
 import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
 import android.speech.tts.TextToSpeech;
+import android.util.DisplayMetrics;
 import android.util.Log;
 
 import java.io.File;
@@ -159,6 +163,15 @@ public class SpeechSynthesis {
         mInitialized = true;
     }
 
+    public static String getSampleText(Context context, Locale locale) {
+        final DisplayMetrics metrics = context.getResources().getDisplayMetrics();
+        final Configuration config = context.getResources().getConfiguration();
+        config.locale = locale;
+
+        Resources res = new Resources(context.getAssets(), metrics, config);
+        return res.getString(R.string.sample_text, locale.getDisplayName(locale));
+    }
+
     private int mNativeData;
 
     private static native final boolean nativeClassInit();