com.example.butterknife.SimpleActivity Maven / Gradle / Ivy
package com.example.butterknife;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.animation.AlphaAnimation;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import butterknife.ButterKnife;
import butterknife.InjectView;
import butterknife.InjectViews;
import butterknife.OnClick;
import butterknife.OnItemClick;
import butterknife.OnLongClick;
import java.util.List;
import static android.widget.Toast.LENGTH_SHORT;
public class SimpleActivity extends Activity {
private static final ButterKnife.Action ALPHA_FADE = new ButterKnife.Action() {
@Override public void apply(View view, int index) {
AlphaAnimation alphaAnimation = new AlphaAnimation(0, 1);
alphaAnimation.setFillBefore(true);
alphaAnimation.setDuration(500);
alphaAnimation.setStartOffset(index * 100);
view.startAnimation(alphaAnimation);
}
};
@InjectView(R.id.title) TextView title;
@InjectView(R.id.subtitle) TextView subtitle;
@InjectView(R.id.hello) Button hello;
@InjectView(R.id.list_of_things) ListView listOfThings;
@InjectView(R.id.footer) TextView footer;
@InjectViews({ R.id.title, R.id.subtitle, R.id.hello })
List headerViews;
private SimpleAdapter adapter;
@OnClick(R.id.hello) void sayHello() {
Toast.makeText(this, "Hello, views!", LENGTH_SHORT).show();
ButterKnife.apply(headerViews, ALPHA_FADE);
}
@OnLongClick(R.id.hello) boolean sayGetOffMe() {
Toast.makeText(this, "Let go of me!", LENGTH_SHORT).show();
return true;
}
@OnItemClick(R.id.list_of_things) void onItemClick(int position) {
Toast.makeText(this, "You clicked: " + adapter.getItem(position), LENGTH_SHORT).show();
}
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.simple_activity);
ButterKnife.inject(this);
// Contrived code to use the "injected" views.
title.setText("Butter Knife");
subtitle.setText("View \"injection\" for Android.");
footer.setText("by Jake Wharton");
hello.setText("Say Hello");
adapter = new SimpleAdapter(this);
listOfThings.setAdapter(adapter);
}
}