Complete call MainActivity

//package com.khirulnizam.myapplication;

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class Call extends AppCompatActivity implements View.OnClickListener{
    //UI object
    EditText txtnama, txtphone;
    Button btncall;

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

        //UI binding
        txtnama=(EditText)findViewById(R.id.txtnama);
        txtphone=(EditText)findViewById(R.id.txtphone);
        btncall=(Button)findViewById(R.id.btncall);
        btncall.setOnClickListener(this);
    }
    public void onClick(View v){
        //capture nama & nombor phone
        String nama=txtnama.getText().toString();
        String phone=txtphone.getText().toString();
        String mesej = "Calling "+nama+" at "+phone;
        //display in
        Toast.makeText(this, mesej, Toast.LENGTH_LONG).show();

        //  pastebin.com/9SC19kWs
        Intent callIntent = new Intent(Intent.ACTION_CALL);
        callIntent.setData(Uri.parse("tel:"+txtphone.getText().toString()));

        if (ActivityCompat.checkSelfPermission(Call.this,
                Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
            return;
        }
        startActivity(callIntent);
    }//end onClick
}//end class