Android Call Phone (Intent.ACTION_CALL)

package com.myapp;

import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.content.Intent;


public class MainActivity extends Activity {

	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        Button btnCall = (Button) findViewById(R.id.btnCall);
        btnCall.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {

            	Intent newActivity = new Intent(Intent.ACTION_CALL);
            	newActivity.setData(Uri.parse("tel:0819876107"));
            	startActivity(newActivity);
            	
            }
        });  
      
    }

	@Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
	
}