MainActivity.java 文件源码

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    setTitle("Anim Items");

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    findViewById(R.id.fab).setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            if (menu != null) {
                for (int i = 0; i < menu.size(); i++) {
                    Drawable drawable = menu.getItem(i).getIcon();
                    if (drawable instanceof Animatable) {
                        ((Animatable) drawable).start();
                    }
                }
            }
        }
    });
}