aaExample.java

@EActivity(R.layout.translate) // Sets content view to R.layout.translate
public class TranslateActivity extends Activity {

    @ViewById // Injects R.id.textInput
    EditText textInput;

    @ViewById(R.id.myTextView) // Injects R.id.myTextView
    TextView result;

    @AnimationRes // Injects android.R.anim.fade_in
    Animation fadeIn;

    @Click // When R.id.doTranslate button is clicked 
    void doTranslate() {
        translateInBackground(textInput.getText().toString());
    }

    @Background // Executed in a background thread
    void translateInBackground(String textToTranslate) {
        String translatedText = callGoogleTranslate(textToTranslate);
        showResult(translatedText);
    }

    @UiThread // Executed in the ui thread
    void showResult(String translatedText) {
        result.setText(translatedText);
        result.startAnimation(fadeIn);
    }

// [...]
}