Simple PHONE_CALL Manifest

public void onClick(View v){
        //capture number
        String tel=phone.getText().toString();
        //make call
        Intent cIntent=new Intent(Intent.ACTION_CALL);
        cIntent.setData(Uri.parse("tel:"+tel));
        if(ActivityCompat.checkSelfPermission(
                MainActivity.this,
                Manifest.permission.CALL_PHONE )!= PackageManager.PERMISSION_GRANTED)
        {
            return;
        }
        startActivity(cIntent);
    }//end onClick

//AndroidManifest
//<uses-permission android:name="android.permission.CALL_PHONE" />