LicensesActivity.java

package moe.kurumi.moegallery.activity;

import android.app.ActionBar;
import android.app.Activity;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.view.MenuItem;
import android.webkit.WebView;

import moe.kurumi.moegallery.R;

public class LicensesActivity extends Activity {
    WebView webView;

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

        ActionBar actionBar = getActionBar();
        if (actionBar != null) {
            actionBar.setDisplayHomeAsUpEnabled(true);
        }

        webView = (WebView) findViewById(R.id.webView);
        webView.loadUrl("file:///android_res/raw/licenses.html");
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        switch (id) {
            case android.R.id.home:
                finish();
                break;
        }
        return true;
    }
}