Add files via upload

KeyFileCallbak.java

@@ -0,0 +1,27 @@
+package com.proxgrind.chameleon.callback;
+
+public interface KeyFileCallbak {
+
+    interface KeyFileReadCallbak {
+        //密钥读取成功时的回调
+        void onReadSuccess(String msg);
+
+        //密钥读取失败时的回调
+        void onReadFail();
+    }
+
+    interface KeyFileWriteCallbak {
+        //密钥写入成功时的回调
+        void onWriteSuccess(String msg);
+
+        //密钥写入失败时的回调
+        void onWriteFail();
+    } 
+
+    interface KeyFileCreateCallback {
+        void onCreateSuccess();
+
+        void onCreateFail();
+    }
+
+}