opt: independent runtime

autojs/src/main/java/com/stardust/autojs/Pref.java

@@ -0,0 +1,32 @@
+package com.stardust.autojs;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+
+/**
+ * Created by Stardust on 2017/12/8.
+ */
+
+public class Pref {
+
+
+    private static Pref sInstance;
+    private SharedPreferences mSharedPreferences;
+
+    public Pref(Context context) {
+        mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+    }
+
+    public static void setInstance(Pref instance) {
+        if (sInstance != null)
+            throw new IllegalStateException();
+        sInstance = instance;
+    }
+
+    public static Pref getInstance() {
+        return sInstance;
+    }
+
+
+}