[android-developers] Initial Doubt

  Hi all,

             i'm beginner in Android development and
i'm trying to make a program that make a call to a predefined number
and after some time end this call. I'm using an emulator, and i was
expected that i could see the activities that i programed happinig. I
only made a call in the code, but nothing happens in the emulator.
Bellow, i put the code. Can anybody help me?

public class MakeCall extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(

savedInstanceState);
        Intent intent = new Intent(Intent.ACTION_DIAL);
        intent.setData(Uri.parse("99999999"));
        startActivity(intent);
       
        setContentView(R.layout.main);
    }
}  

Manifest

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.example.helloandroid"
      android:versionCode="1"
      android:versionName="1.0">
    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".MakeCall"
                  android:label="@string/app_name">
            <intent-filter>
                <uses-permission android:name="android.permission.CALL_PHONE"/>
                <action android:name="android.intent.action.Main" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
    <uses-sdk android:minSdkVersion="2" />
</manifest>

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