public void onPickContact(View view) {
        final Intent pickContactIntent = new Intent(this, ContactsActivity.class);
        startActivityForResult(pickContactIntent, REQUEST_CODE_PICK);
    }
Simple Dialer Activity which shows an {@link EditText} field to enter a phone number. Upon
pressing the call button the number entered in the input field is send to the native Android
Dialer app via {@link Intent#ACTION_CALL}.

<p>
Furthermore this Activity contains a pick number button to starts dummy contacts activity to
demonstrate Intent stubbing.
ui/espresso/IntentsBasicSample/app/src/main/java/com/example/android/testing/espresso/IntentsBasicSample/DialerActivity.java