@OnClick is not working in implementation of ButterKnife Library

Question

@OnClick is not working in implementation of ButterKnife Library

When I click on the Button, nothing is happening.

This is my full code:

public class MainActivity extends ActionBarActivity {
    @InjectView(R.id.edit_user)
    EditText username;
    @InjectView(R.id.edit_pass)
    EditText password;

    @OnClick(R.id.btn)
    void submit() {
        // TODO call server...
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ButterKnife.inject(this);
        // TODO Use "injected" views...
    }
}

This is my xml:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<EditText
    android:id="@+id/edit_user"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:hint="user" />

<EditText
    android:id="@+id/edit_pass"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:hint="user" />

<Button
    android:id="@+id/btn"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Button" />

Thanks

Answer 1

For anyone running into this issue in Android Studio, make sure you are including both of the necessary dependencies and the apt plugin in your respective build files (check the Butterknife readme). I rushed through the docs and only included the compile dependency, which caused binding to fail silently.