fix(android): getSupportedVoices() is not available for api levels …

…< 24 (#124)

* Fix support issue on API levels < 24

Comparator.comparing does not work below API level 24

* Sort using getName() rather than hashCode(), remove crash below API level 24

getName() is guaranteed to be unique, hashCode is not, so this may fix potential issues with the use of hashCode. Also switch from using Comparator.comparing to allow for support on API levels 21-24

android/src/main/java/com/getcapacitor/community/tts/TextToSpeech.java

@@ -13,7 +13,6 @@
 import com.getcapacitor.JSObject;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Set;
@@ -116,14 +115,18 @@ public JSArray getSupportedLanguages() {
         return result;
     }
 
+    /**
+     * @return Ordered list of voices. The order is guaranteed to remain the same as long as the voices in tts.getVoices() do not change.
+     */
     public ArrayList<Voice> getSupportedVoicesOrdered() {
         Set<Voice> supportedVoices = tts.getVoices();
         ArrayList<Voice> orderedVoices = new ArrayList<Voice>();
         for (Voice supportedVoice : supportedVoices) {
             orderedVoices.add(supportedVoice);
         }
 
-        Collections.sort(orderedVoices, Comparator.comparing(Voice::hashCode));
+        //voice.getName() is guaranteed to be unique, so will be used for sorting.
+        Collections.sort(orderedVoices, (v1, v2) -> v1.getName().compareTo(v2.getName()));
 
         return orderedVoices;
     }