TwitterAPI class to encapsulate background access

TwitterPoster class to run in background

src/com/marakana/utils/TwitterAPI.xtend

@@ -0,0 +1,20 @@
+package com.marakana.utils
+
+import winterwell.jtwitter.Twitter
+
+class TwitterAPI
+{
+  var Twitter twitter
+
+  new ()
+  {
+    this.twitter = new Twitter("student", "password")
+    twitter.setAPIRootUrl("http://yamba.marakana.com/api")
+  }
+
+  def String updateStatus (String status)
+  { 
+    val result = twitter.updateStatus(status)
+    result.text
+  }
+}

src/com/marakana/yambax/StatusActivity.xtend

@@ -4,38 +4,25 @@ import android.app.Activity
 import android.os.Bundle
 import android.widget.EditText
 import android.widget.Button
-import android.view.View.OnClickListener
-import android.view.View
-import winterwell.jtwitter.Twitter
 import android.util.Log
-import android.os.StrictMode
+import com.marakana.utils.TwitterAPI
 
-class StatusActivity extends Activity implements OnClickListener
+class StatusActivity extends Activity
 {
-  val TAG = "StatusActivity"
-  var EditText editText
-  var Button updateButton
-  var twitter = new Twitter("student", "password")
+  val twitter = new TwitterAPI
 
   override onCreate(Bundle savedInstanceState)
   {
     super.onCreate(savedInstanceState)
     setContentView(R.layout.activity_status)
 
-    val policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
-    StrictMode.setThreadPolicy(policy);
+    val editText     = findViewById(R.id.editText) as EditText
+    val updateButton =  findViewById(R.id.buttonUpdate) as Button
 
-    editText     = findViewById(R.id.editText) as EditText
-    updateButton =  findViewById(R.id.buttonUpdate) as Button
-
-    updateButton.setOnClickListener(this)
-
-    twitter.setAPIRootUrl("http://yamba.marakana.com/api")
-  }
-
-  override onClick(View arg0)
-  {
-  	twitter.setStatus(editText.getText.toString)
-    Log.d(TAG, "onClicked")
+    updateButton.setOnClickListener = [ 
+    	                                val twitterPoster = new TwitterPoster(twitter, this)
+                                        twitterPoster.execute(editText.getText().toString())
+                                        Log.d("YAMBA", "onClicked") 
+                                      ]
   }
 }

src/com/marakana/yambax/TwitterPoster.xtend

@@ -0,0 +1,39 @@
+package com.marakana.yambax
+
+import android.os.AsyncTask
+import android.util.Log
+import winterwell.jtwitter.TwitterException
+import android.widget.Toast
+import android.app.Activity
+import com.marakana.utils.TwitterAPI
+
+class TwitterPoster extends AsyncTask<String, Integer, String>
+{
+  var TwitterAPI twitter
+  var Activity activity
+
+  new(TwitterAPI twitter, Activity activity)
+  {
+    this.twitter = twitter
+    this.activity = activity
+  }
+
+  override doInBackground(String... it)
+  {
+    try
+    {
+      var status = twitter.updateStatus(get(0))
+      status
+    }
+    catch (TwitterException e)
+    {
+      Log.e("YAMBA", e.toString());
+      "Failed to post";
+    }
+  }
+
+  override onPostExecute(String result)
+  {
+    Toast.makeText(activity, result, Toast.LENGTH_LONG).show();
+  }
+}