imporve code completion

app/src/main/java/com/stardust/scriptdroid/tool/GsonUtils.java

@@ -0,0 +1,32 @@
+package com.stardust.scriptdroid.tool;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by Stardust on 2017/7/21.
+ */
+
+public class GsonUtils {
+
+    public static List<String> toReservedStringList(JsonElement element) {
+        JsonArray array = element.getAsJsonArray();
+        List<String> list = new ArrayList<>(array.size());
+        for (int i = array.size() - 1; i >= 0; i--) {
+            list.add(array.get(i).getAsString());
+        }
+        return list;
+    }
+
+    public static List<String> toStringList(JsonElement element) {
+        JsonArray array = element.getAsJsonArray();
+        List<String> list = new ArrayList<>(array.size());
+        for (int i = 0; i < array.size(); i++) {
+            list.add(array.get(i).getAsString());
+        }
+        return list;
+    }
+}