title: Android and Protobuf
body: <p>i use android sdk 2.1, and protobuf 2.4.1</p>
  
  <p>this is my .proto file:</p>
  
  <pre><code>package com.example.proto;
  
  option optimize_for = LITE_RUNTIME;
  
  message DatabaseInsertRequest {
    optional string stringInsert = 1;
  }
  
  message DatabaseSelectRequest {
    optional string stringSelect = 1;
  }
  
  message DatabaseUpdateRequest {
    optional string stringUpdate = 1;
  }
  </code></pre>
  
  <p>i compiled this .proto to class (using protoc)</p>
  
  <p>after i try send this message with socket and got a error, (forget it)
  may you please show me working example ?</p>