重载getDelegate()后自动换肤（插件式换肤）

[gyddfev]

@NonNull
@Override
public AppCompatDelegate getDelegate() {
    //return super.getDelegate();
    return SkinAppCompatDelegateImpl.get(this, this);
}   

private void changeSkin() { Toast.makeText(this, "换肤", Toast.LENGTH_SHORT).show();

    SkinCompatManager.getInstance().loadSkin("blue.skin",
           SkinCompatManager.SKIN_LOADER_STRATEGY_ASSETS);

}

@Override public void onClick(View view) { switch (view.getId()) { case R.id.blue: changeSkin(); break; case R.id.reset: break; default: break; } }