JobWebViewFragment.java

package com.trevorhalvorson.devjobs.fragment;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ProgressBar;

import com.trevorhalvorson.devjobs.R;


public class JobWebViewFragment extends Fragment {
    private static final String ARG_URL_KEY = "url_key";

    public static JobWebViewFragment newInstance(String url) {
        Bundle args = new Bundle();
        args.putString(ARG_URL_KEY, url);

        JobWebViewFragment fragment = new JobWebViewFragment();
        fragment.setArguments(args);
        return fragment;
    }

    private ProgressBar mProgressBar;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.fragment_job_web_view, container, false);

        Toolbar toolbar = (Toolbar) rootView.findViewById(R.id.web_toolbar);

        mProgressBar = (ProgressBar) rootView.findViewById(R.id.web_view_progress_bar);
        mProgressBar.setMax(100);

        AppCompatActivity activity = (AppCompatActivity) getActivity();
        activity.setSupportActionBar(toolbar);
        activity.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        activity.getSupportActionBar().setHomeButtonEnabled(true);
        activity.getSupportActionBar().setDefaultDisplayHomeAsUpEnabled(true);
        activity.getSupportActionBar().setTitle(R.string.app_name);
        toolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                getActivity().onBackPressed();
            }
        });

        WebView webView = (WebView) rootView.findViewById(R.id.web_view);
        webView.getSettings().setJavaScriptEnabled(true);
        webView.getSettings().setLoadWithOverviewMode(true);
        webView.getSettings().setUseWideViewPort(true);
        webView.getSettings().setBuiltInZoomControls(true);
        webView.getSettings().setDisplayZoomControls(false);
        webView.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);
        webView.loadUrl(getArguments().getString(ARG_URL_KEY));
        webView.setWebViewClient(new WebViewClient() {
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                return true;
            }
        });
        webView.setWebChromeClient(new WebChromeClient() {
            public void onProgressChanged(WebView webview, int newProgress) {
                if (newProgress == 100) {
                    mProgressBar.setVisibility(View.GONE);
                } else {
                    mProgressBar.setVisibility(View.VISIBLE);
                    mProgressBar.setProgress(newProgress);
                }
            }

            public void onReceivedTitle(WebView webView, String title) {
                AppCompatActivity activity = (AppCompatActivity) getActivity();
                activity.getSupportActionBar().setSubtitle(title);
            }
        });
        webView.setWebViewClient(new WebViewClient() {
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                return false;
            }
        });

        return rootView;
    }
}