MultiAutocomplete error

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I'm trying to do an autocomplete activity in which when the user write a word, it gives suggestions.

My codes for item.java :

public class item extends Activity {

private MultiAutoCompleteTextView mactv;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.item);

String[] items = getResources().
getStringArray(R.array.list_of_items);
ArrayAdapter adapter = new ArrayAdapter
(this,android.R.layout.simple_list_item_1,items);

mactv = (MultiAutoCompleteTextView)findViewById(R.id.multiAutoCompleteTextView1);

mactv.setAdapter(adapter);

mactv.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());}

@Override
public boolean onCreateOptionsMenu(Menu menu) {

getMenuInflater().inflate(R.menu.main, menu);
return true; }}

item.xml :

<RelativeLayout xmlns:android="http://ift.tt/nIICcg"
xmlns:tools="http://ift.tt/LrGmb4"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<MultiAutoCompleteTextView
android:id="@+id/multiAutoCompleteTextView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="48dp"
android:ems="10" >
<requestFocus />
</MultiAutoCompleteTextView>
</RelativeLayout>

string.xml :

  <?xml version="1.0" encoding="utf-8"?>
  <resources>
  <string name="app_name">DailyExpenseManager</string>
  <string name="action_settings">Settings</string>
  <string name="hello_world">Hello world!</string> 
  <string-array name="list_of_items">
  <item >picon</item>
  <item >kiri</item>
  <item >nutella</item>
  <item >pringles</item>
  <item >chips</item>
  <item >chocolat</item>
  <item >galaxy</item>
  <item >twix</item>
  <item >snack</item>
  </string-array>
  </resources>

androidManifest.xml :

<?xml version="1.0" encoding="utf-8"?>
  <manifest xmlns:android="http://ift.tt/nIICcg"
  package="com.example.DailyExpenseManager"
  android:versionCode="1"
  android:versionName="1.0" >    
  <uses-sdk
  android:minSdkVersion="8"
  android:targetSdkVersion="17" />
  <application
  android:allowBackup="true"
  android:icon="@drawable/ic_launcher"
  android:label="@string/app_name"
  android:theme="@style/AppTheme" >
  <activity
  android:name="com.example.DailyExpenseManager.MainActivity"
  android:label="@string/app_name" >
  <intent-filter>
  <action android:name="android.intent.action.MAIN" />
  <category android:name="android.intent.category.LAUNCHER" />
  </intent-filter>
  </activity>
  </application>
  </manifest>

I have an error in R ( R cannot be resolved to a variable ), I clean and build but the error still occur

Any help please

asked 43 secs ago

Angel

3