Improve comment

arms/src/androidTest/java/com/jess/arms/ApplicationTest.java

-package com.jess.arms;
-
-import android.app.Application;
-import android.test.ApplicationTestCase;
-
-/**
- * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
- */
-public class ApplicationTest extends ApplicationTestCase<Application> {
-    public ApplicationTest() {
-        super(Application.class);
-    }
-}
\ No newline at end of file

arms/src/main/java/com/jess/arms/http/RequestInterceptor.java

 /**
-  * Copyright 2017 JessYan
-  *
-  * Licensed under the Apache License, Version 2.0 (the "License");
-  * you may not use this file except in compliance with the License.
-  * You may obtain a copy of the License at
-  *
-  *      http://www.apache.org/licenses/LICENSE-2.0
-  *
-  * Unless required by applicable law or agreed to in writing, software
-  * distributed under the License is distributed on an "AS IS" BASIS,
-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  * See the License for the specific language governing permissions and
-  * limitations under the License.
-  */
+ * Copyright 2017 JessYan
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.jess.arms.http;
 
 import android.support.annotation.Nullable;
@@ -191,6 +191,13 @@ public class RequestInterceptor implements Interceptor {
         }
     }
 
+    /**
+     * 解析请求服务器的请求参数
+     *
+     * @param body
+     * @return
+     * @throws UnsupportedEncodingException
+     */
     public static String parseParams(RequestBody body) throws UnsupportedEncodingException {
         if (isParseable(body.contentType())) {
             try {
@@ -210,6 +217,12 @@ public class RequestInterceptor implements Interceptor {
         return "This params isn't parsed";
     }
 
+    /**
+     * 是否可以解析
+     *
+     * @param mediaType
+     * @return
+     */
     public static boolean isParseable(MediaType mediaType) {
         if (mediaType == null) return false;
         return mediaType.toString().toLowerCase().contains("text")

arms/src/test/java/com/jess/arms/ExampleUnitTest.java

-package com.jess.arms;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * To work on unit tests, switch the Test Artifact in the Build Variants view.
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() throws Exception {
-        assertEquals(4, 2 + 2);
-    }
-}
\ No newline at end of file