private void createToolbar() {
        Toolbar bar = (Toolbar) findViewById(R.id.nav_top_bar);
        setSupportActionBar(bar);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setDisplayShowTitleEnabled(false);
        bar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onBackPressed();
            }
        });
    }
Default UI Activity for simplest usage.
A simple subclass of {@link AbsBoxingActivity}. Holding a {@link AbsBoxingViewFragment} to display medias.
boxing-impl/src/main/java/com/bilibili/boxing_impl/ui/BoxingActivity.java