Retrofit(2.0)入门小错误 -- Could not locate ResponseBody xxx Tried: * retrofit.BuiltInConverters
2016-01-27 16:05
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Retrofit(2.0)入门小错误 -- Could not locate ResponseBody xxx Tried: * retrofit.BuiltInConverters
标签: RetrofitException2015-10-16 16:02 722人阅读 评论(0) 收藏 举报
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分类:
Android(51)
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目录(?)[+]
前言
照例给出官网:Retrofit官网学习资料:https://speakerdeck.com/jakewharton/simple-http-with-retrofit-2-droidcon-nyc-2015
其实大家学习的时候,完全可以按照官网Introduction,自己写一个例子来运行。但是百密一疏,官网可能忘记添加了一句非常重要的话,导致你可能出现如下错误:
Could not locate ResponseBody converter
<code class="language-ERROR hljs avrasm has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">错误信息: Caused by: java<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.lang</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.IllegalArgumentException</span>: Could not locate ResponseBody converter for java<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.util</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.List</span><<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">com</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.bzh</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.sampleretrofit</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.Repo</span>>. Tried: * retrofit<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.BuiltInConverters</span> at retrofit<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.Retrofit</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.responseConverter</span>(Retrofit<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.java</span>:<span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">266</span>) at retrofit<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.MethodHandler</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.createResponseConverter</span>(MethodHandler<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.java</span>:<span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">55</span>) ... <span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">18</span> more</code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li><li style="box-sizing: border-box; padding: 0px 5px;">5</li><li style="box-sizing: border-box; padding: 0px 5px;">6</li></ul>
可以知道,是由于响应的结果在由Json转化为对象时出了错误。
解决
首先在gradle文件中引入依赖库。<code class="language-xml hljs has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">compile 'com.squareup.retrofit:retrofit:2.0.0-beta2' compile 'com.squareup.retrofit:converter-gson:2.0.0-beta2' #使用Gson转化json串</code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li></ul>
其次在构建
Retrofit对象时,指明使用的
Converter工厂。
<code class="language-java hljs has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">Retrofit retrofit = <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">new</span> Retrofit.Builder() .baseUrl(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"https://api.github.com"</span>) .addConverterFactory(GsonConverterFactory.create()) <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">// 加上这句话</span> .build();</code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li></ul>
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