package jp.mydns.sys1yagi.android.butterknifesample; import android.app.Activity; import android.os.Bundle; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; import butterknife.InjectView; import butterknife.OnClick; import butterknife.Views; public class ButterKnifeSampleActivity extends Activity { private ButterKnifeSampleActivity This() { return this; } @InjectView(R.id.text) TextView mText; @InjectView(R.id.button) Button mButton; @OnClick(R.id.button) void onClick(Button v) { Toast.makeText(This(), "button clicked", Toast.LENGTH_SHORT).show(); } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_butter_knife_sample); Views.inject(this); } }