Android Open Source - HastingsMobileAndroid Fragment Broncoboard

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License

The source code is released under:
Apache License
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Java Source Code

package edu.hastings.hastingscollege.navdrawerfragments;
//ww w . ja  v a  2  s . c om
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.HttpAuthHandler;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import com.google.android.gms.analytics.HitBuilders;
import com.google.android.gms.analytics.Tracker;

import edu.hastings.hastingscollege.R;
import edu.hastings.hastingscollege.connection.HttpAuthenticationDialog;
import edu.hastings.hastingscollege.googleanalytics.MyApplication;

public class FragmentBroncoboard extends Fragment {

    WebView myWebView;
    ViewGroup mRootView;
    public Tracker tracker;

    public static final String TAG = "FragmentBroncoboard";

    public static Fragment newInstance(Context context) {
        return new FragmentBroncoboard();
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setRetainInstance(true);
        this.tracker = ((MyApplication) getActivity().getApplication()).getTracker(MyApplication.TrackerName.APP_TRACKER);
        this.tracker.setScreenName("Broncoboard");
        this.tracker.send(new HitBuilders.AppViewBuilder().build());
    }

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        myWebView = (WebView) mRootView.findViewById(R.id.webview);
        myWebView.getSettings().setJavaScriptEnabled(true);
        myWebView.setWebViewClient(new MyWebViewClient());
        myWebView.loadUrl(getString(R.string.broncoboard_url));
        myWebView.getSettings().setBuiltInZoomControls(true);

        myWebView.setOnKeyListener(new View.OnKeyListener() {
            @Override
            public boolean onKey(View view, int i, KeyEvent event) {
                if (event.getAction() == KeyEvent.ACTION_DOWN) {
                    WebView webView = (WebView) view;
                    switch (i) {
                        case KeyEvent.KEYCODE_BACK:
                            if (webView.canGoBack()) {
                                webView.goBack();
                                return true;
                            }
                            break;
                    }
                }
                return false;
            }
        });
    }

    @Override
    public void onDestroy() {
        if (myWebView != null) {
            mRootView.removeView(myWebView);
            myWebView.removeAllViews();
            myWebView.clearCache(true);
            myWebView.clearHistory();
            myWebView.destroy();
        }
        super.onDestroy();
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        mRootView = (ViewGroup) inflater.inflate(R.layout.broncoboard, container, false);
        return mRootView;
    }

    private class MyWebViewClient extends WebViewClient {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            return false;
        }

        @Override
        public void onPageFinished(WebView view, String url) {
            // hide loading image
            mRootView.findViewById(R.id.broncoBoardProgress).setVisibility(View.GONE);
            // Show webview
            mRootView.findViewById(R.id.webview).setVisibility(View.VISIBLE);
        }

        @Override
        public void onReceivedHttpAuthRequest(WebView view,
                                              final HttpAuthHandler handler, final String host,
                                              final String realm) {
            String username = null;
            String password = null;

            boolean reuseHttpAuthUsernamePassword
                    = handler.useHttpAuthUsernamePassword();

            if (reuseHttpAuthUsernamePassword && view != null) {
                String[] credentials = view.getHttpAuthUsernamePassword(host, realm);
                if (credentials != null && credentials.length == 2) {
                    username = credentials[0];
                    password = credentials[1];
                }
            }

            if (username != null && password != null) {
                handler.proceed(username, password);
            } else {
                HttpAuthenticationDialog dialog = new HttpAuthenticationDialog(getActivity(), host, realm);

                dialog.setOkListener(new HttpAuthenticationDialog.OkListener() {
                    public void onOk(String host, String realm, String username, String password) {
                        handler.proceed(username, password);
                    }
                });

                dialog.setCancelListener(new HttpAuthenticationDialog.CancelListener() {
                    public void onCancel() {
                        handler.cancel();
                    }
                });

                dialog.show();
            }
        }
    }
}
Java Source Code List
