Example usage for android.webkit WebChromeClient WebChromeClient

List of usage examples for android.webkit WebChromeClient WebChromeClient

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Introduction

In this page you can find the example usage for android.webkit WebChromeClient WebChromeClient.

Prototype

WebChromeClient

Source Link

Usage

From source file:in.ac.dtu.subtlenews.InstapaperViewer.java

@SuppressLint("NewApi")
@Override// w w  w . j a  v  a2  s. c o  m
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        setImmersive(true);
    }
    setTheme(R.style.AppTheme_NoActionBar);

    setContentView(R.layout.activity_instapaper_viewer);
    //setupActionBar();

    Bundle extras = getIntent().getExtras();
    if (extras != null) {
        urlId = extras.getInt("URLID");
        urlList = extras.getStringArrayList("URLList");

    }
    final WebView instapaperView = (WebView) findViewById(R.id.instapaper_viewer);
    final Activity activity = this;
    final ProgressBar progressBar;
    progressBar = (ProgressBar) findViewById(R.id.progressBar);

    instapaperView.setWebChromeClient(new WebChromeClient() {
        public void onProgressChanged(WebView view, int progress) {
            if (progress < 100 && progressBar.getVisibility() == ProgressBar.GONE) {
                progressBar.setVisibility(ProgressBar.VISIBLE);
                //txtview.setVisibility(View.VISIBLE);
            }
            progressBar.setProgress(progress);
            if (progress == 100) {
                progressBar.setVisibility(ProgressBar.GONE);
                //txtview.setVisibility(View.GONE);
            }
        }
    });

    final View controlsView = findViewById(R.id.fullscreen_content_controls);
    final View contentView = findViewById(R.id.instapaper_viewer);

    final Button prevButton = (Button) findViewById(R.id.summary_prev_button);
    final Button nextButton = (Button) findViewById(R.id.summary_next_button);

    // Set up an instance of SystemUiHider to control the system UI for
    // this activity.
    mSystemUiHider = SystemUiHider.getInstance(this, contentView, HIDER_FLAGS);
    mSystemUiHider.setup();
    mSystemUiHider.setOnVisibilityChangeListener(new SystemUiHider.OnVisibilityChangeListener() {
        // Cached values.
        int mControlsHeight;
        int mShortAnimTime;

        @Override
        @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
        public void onVisibilityChange(boolean visible) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
                // If the ViewPropertyAnimator API is available
                // (Honeycomb MR2 and later), use it to animate the
                // in-layout UI controls at the bottom of the
                // screen.
                if (mControlsHeight == 0) {
                    mControlsHeight = controlsView.getHeight();
                }
                if (mShortAnimTime == 0) {
                    mShortAnimTime = getResources().getInteger(android.R.integer.config_shortAnimTime);
                }
                controlsView.animate().translationY(visible ? 0 : mControlsHeight).setDuration(mShortAnimTime);
            } else {
                // If the ViewPropertyAnimator APIs aren't
                // available, simply show or hide the in-layout UI
                // controls.
                controlsView.setVisibility(visible ? View.VISIBLE : View.GONE);
            }

            if (visible && AUTO_HIDE) {
                // Schedule a hide().
                delayedHide(AUTO_HIDE_DELAY_MILLIS);
            }

        }
    });

    // Set up the user interaction to manually show or hide the system UI.
    contentView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            if (TOGGLE_ON_CLICK) {
                mSystemUiHider.toggle();
            } else {
                mSystemUiHider.show();
            }
        }
    });

    // Upon interacting with UI controls, delay any scheduled hide()
    // operations to prevent the jarring behavior of controls going away
    // while interacting with the UI.
    prevButton.setOnTouchListener(mDelayHideTouchListener);
    nextButton.setOnTouchListener(mDelayHideTouchListener);

    try {
        summaryUrl = "http://www.instapaper.com/text?u=" + urlList.get(urlId);
    } catch (Exception e) {
        e.printStackTrace();
    }

    instapaperView.loadUrl(summaryUrl);
    prevButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            try {
                summaryUrl = "http://www.instapaper.com/text?u=" + urlList.get(--urlId);
            } catch (Exception e) {
                e.printStackTrace();
            }
            instapaperView.loadUrl(summaryUrl);
        }
    });
    nextButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            try {
                summaryUrl = "http://www.instapaper.com/text?u=" + urlList.get(++urlId);
            } catch (Exception e) {
                e.printStackTrace();
            }
            instapaperView.loadUrl(summaryUrl);
        }
    });

}

From source file:de.zell.android.util.fragments.WebviewFragment.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.fragment_webview, container, false);
    if (url != null && !url.isEmpty()) {
        content = ((WebView) rootView.findViewById(R.id.webview));
        //WebViewClient is enabled in order to force all links to load within the webview and also
        // in order to enable JavaScript
        content.setWebViewClient(new HelloWebViewClient());
        WebSettings webSettings = content.getSettings();
        webSettings.setJavaScriptEnabled(true);
        webSettings.setBuiltInZoomControls(true);
        webSettings.setSupportZoom(true);

        final ProgressBar progressBar = ((MainNavigationActivity) getActivity()).getProgressBar();
        content.setWebChromeClient(new WebChromeClient() {
            @Override/*from   w w w . j a  v  a2  s  .c o  m*/
            public void onProgressChanged(WebView view, int newProgress) {
                progressBar.setProgress(newProgress);
                if (newProgress == 100)
                    progressBar.setVisibility(View.GONE);
            }
        });

        progressBar.setIndeterminate(true);
        progressBar.setVisibility(View.VISIBLE);
        content.loadUrl(url);
    }

    getActivity().setTitle(title);
    return rootView;
}

From source file:net.olejon.mdapp.MedicationNlhFragment.java

@SuppressLint("SetJavaScriptEnabled")
@Override/* w  w  w  .j a va  2 s  .c o m*/
public View onCreateView(LayoutInflater inflater, ViewGroup container, final Bundle savedInstanceState) {
    ViewGroup viewGroup = (ViewGroup) inflater.inflate(R.layout.fragment_medication_nlh, container, false);

    // Activity
    final Activity activity = getActivity();

    // Context
    final Context context = activity.getApplicationContext();

    // Tools
    final MyTools mTools = new MyTools(context);

    // Arguments
    Bundle bundle = getArguments();

    final String pageUri = bundle.getString("uri");

    // Progress bar
    final ProgressBar progressBar = (ProgressBar) activity
            .findViewById(R.id.medication_toolbar_progressbar_horizontal);

    // Toolbar
    final LinearLayout toolbarSearchLayout = (LinearLayout) activity
            .findViewById(R.id.medication_toolbar_search_layout);
    final EditText toolbarSearchEditText = (EditText) activity.findViewById(R.id.medication_toolbar_search);

    // Web view
    WEBVIEW = (WebView) viewGroup.findViewById(R.id.medication_nlh_content);

    WebSettings webSettings = WEBVIEW.getSettings();
    webSettings.setJavaScriptEnabled(true);
    webSettings.setAppCacheEnabled(true);
    webSettings.setDomStorageEnabled(true);
    webSettings.setAppCachePath(context.getCacheDir().getAbsolutePath());
    webSettings.setCacheMode(WebSettings.LOAD_DEFAULT);

    WEBVIEW.setWebViewClient(new WebViewClient() {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            if (!mTools.isDeviceConnected()) {
                mTools.showToast(getString(R.string.device_not_connected), 0);
                return true;
            } else if (url.matches(".*/[^#]+#[^/]+$")) {
                WEBVIEW.loadUrl(url.replaceAll("#[^/]+$", ""));
                return true;
            } else if (url.matches("^https?://.*?\\.pdf$")) {
                mTools.downloadFile(view.getTitle(), url);
                return true;
            }

            return false;
        }
    });

    WEBVIEW.setWebChromeClient(new WebChromeClient() {
        @Override
        public void onProgressChanged(WebView view, int newProgress) {
            if (newProgress == 100) {
                progressBar.setVisibility(View.INVISIBLE);
            } else {
                progressBar.setVisibility(View.VISIBLE);
                progressBar.setProgress(newProgress);

                toolbarSearchLayout.setVisibility(View.GONE);
                toolbarSearchEditText.setText("");
            }
        }
    });

    if (savedInstanceState == null) {
        WEBVIEW.loadUrl(pageUri);
    } else {
        WEBVIEW.restoreState(savedInstanceState);
    }

    return viewGroup;
}

From source file:io.github.hidroh.materialistic.WebFragment.java

@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
        @Nullable Bundle savedInstanceState) {
    if (mIsHackerNewsUrl) {
        return createLocalView(container, savedInstanceState);
    }/*from   w w w  .  j av a 2  s.c  om*/

    final View view = getLayoutInflater(savedInstanceState).inflate(R.layout.fragment_web, container, false);
    mScrollView = (NestedScrollView) view.findViewById(R.id.nested_scroll_view);
    final ProgressBar progressBar = (ProgressBar) view.findViewById(R.id.progress);
    mWebView = (WebView) view.findViewById(R.id.web_view);
    mWebView.setBackgroundColor(Color.TRANSPARENT);
    mWebView.setWebViewClient(new WebViewClient());
    mWebView.setWebChromeClient(new WebChromeClient() {
        @Override
        public void onProgressChanged(WebView view, int newProgress) {
            progressBar.setVisibility(View.VISIBLE);
            progressBar.setProgress(newProgress);
            if (newProgress == 100) {
                progressBar.setVisibility(View.GONE);
                mWebView.setBackgroundColor(Color.WHITE);
                mWebView.setVisibility(mExternalRequired ? View.GONE : View.VISIBLE);
            }
        }
    });
    mWebView.setDownloadListener(new DownloadListener() {
        @Override
        public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype,
                long contentLength) {
            if (getActivity() == null) {
                return;
            }
            final Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
            if (intent.resolveActivity(getActivity().getPackageManager()) == null) {
                return;
            }
            mExternalRequired = true;
            mWebView.setVisibility(View.GONE);
            view.findViewById(R.id.empty).setVisibility(View.VISIBLE);
            view.findViewById(R.id.download_button).setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    startActivity(intent);
                }
            });
        }
    });
    mWebView.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            if (event.getAction() == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_BACK) {
                if (mWebView.canGoBack()) {
                    mWebView.goBack();
                    return true;
                }
            }
            return false;
        }
    });
    setWebViewSettings(mWebView.getSettings());
    return view;
}

From source file:com.wpi.assistments.HomeTabbedActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.activity_webview);

    final ProgressDialog pd = ProgressDialog.show(this, "", "Loading...", true);

    isTeacher = false;/*from   w  w w  .  j  av a  2s . c  om*/
    toggle = true;
    logoutFlag = false;

    homeWebView = (WebView) findViewById(R.id.homeWebView);
    homeWebView.setWebViewClient(new WebViewClient() {
        public void onPageFinished(WebView view, String url) {
            Log.i("test", view.getUrl());
            if (view.getUrl().equals("https://www.assistments.org/account/login") && !logoutFlag) {

                Intent intent = new Intent(getApplicationContext(), LoginActivity.class);
                intent.putExtra("showPopup", "true");
                startActivity(intent);
                finish();
            } else if (view.getUrl().equals("https://www.assistments.org/teacher")) {
                isTeacher = true;
            } else if (view.getUrl().equals("https://www.assistments.org/account/login") && logoutFlag) {
                Intent intent = new Intent(getApplicationContext(), LoginActivity.class);
                startActivity(intent);
            }

            if (!homeWebView.canGoBack()) {
                btnBack.setEnabled(false);
            } else {
                btnBack.setEnabled(true);
            }

            if (!homeWebView.canGoForward()) {
                btnForward.setEnabled(false);
            } else {
                btnForward.setEnabled(true);
            }

            if (pd.isShowing() && pd != null) {
                pd.dismiss();
            }
        }

        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            pd.show();
            view.loadUrl(url);
            return true;
        }
    });
    homeWebView.setWebChromeClient(new WebChromeClient() {
        @Override
        public boolean onJsConfirm(WebView view, String url, String message, final JsResult result) {
            new AlertDialog.Builder(webviewContext).setTitle("ASSISTments").setMessage(message)
                    .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int which) {
                            logoutFlag = true;
                            result.confirm();
                        }
                    }).setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int which) {
                            result.cancel();
                        }
                    }).create().show();

            return true;
        }
    });

    if (savedInstanceState != null) {
        homeWebView.restoreState(savedInstanceState);
    } else {
        /** Scaling, replaced by overview mode and wide view port
        Display display = getWindowManager().getDefaultDisplay();
        Point size = new Point();
        display.getSize(size);
        if (size.x <= 780) {
           int scaleRate = (int) ((size.x) / 7.8);
           Log.i("test", Integer.toString(size.x));
           homeWebView.setInitialScale(scaleRate);
        }
        */

        Intent intent = getIntent();

        if (intent.getStringExtra("username").equals("") && intent.getStringExtra("password").equals("")) {
            homeWebView.loadUrl("https://www.assistments.org/signup");

        } else {
            String username = intent.getStringExtra("username");
            String password = intent.getStringExtra("password");

            String postData = "login=" + username + "&password=" + password + "&commit=Log in";
            homeWebView.postUrl("https://www.assistments.org/account/login",
                    EncodingUtils.getBytes(postData, "BASE64"));
        }

    }

    WebSettings settings = homeWebView.getSettings();
    settings.setSaveFormData(false);
    settings.setSavePassword(false);
    settings.setJavaScriptEnabled(true);
    settings.setBuiltInZoomControls(true);
    settings.setDisplayZoomControls(false);
    settings.setJavaScriptCanOpenWindowsAutomatically(true);
    settings.setSupportMultipleWindows(true);
    settings.setCacheMode(WebSettings.LOAD_NO_CACHE);
    settings.setAppCacheEnabled(false);
    settings.setDomStorageEnabled(true);
    settings.setDatabaseEnabled(true);
    settings.setUseWideViewPort(false);
    settings.setLoadWithOverviewMode(true);
    homeWebView.clearCache(true);
    homeWebView.setPadding(0, 0, 0, 0);
    homeWebView.setInitialScale(getScale());

    btnBack = (Button) findViewById(R.id.btnBack);
    btnBack.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            homeWebView.goBack();
        }
    });

    btnRefresh = (Button) findViewById(R.id.btnRefresh);
    btnRefresh.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {

            //homeWebView.zoomOut();
            homeWebView.scrollTo(1000, 0);
            Log.i("test", "111");
            //homeWebView.reload();
        }
    });

    btnForward = (Button) findViewById(R.id.btnForward);
    btnForward.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            homeWebView.goForward();
        }
    });

    btnOffline = (Button) findViewById(R.id.btnOffline);
    btnOffline.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            if (toggle) {
                homeWebView.loadUrl(
                        "https://www.assistments.org/assistments/student/index.html#offlineUserAssignmentList/");
                btnOffline.setText("Home");
                toggle = false;
            } else {
                if (isTeacher) {
                    homeWebView.loadUrl("https://www.assistments.org/teacher");
                } else {
                    homeWebView.loadUrl("https://www.assistments.org/tutor");
                }
                btnOffline.setText("Offline");
                toggle = true;
            }

        }
    });
}

From source file:com.cjones.taskforcemamba.activity.WebActivity.java

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

    mTitle = mDrawerTitle = getTitle();//w  w w . j  a  v a  2s  . c  o m

    //WebView
    Intent launchingIntent = getIntent();
    //        String content = launchingIntent.getData().toString();
    String home = "http://www.tfmamba.com";
    //        Log.i(TAG, "Content = " + content + " . Home = " + home);
    //        if(content == home){
    //            content = content + "&styleid=2";
    //            Log.i(TAG, "IF Statement - Content = " + content + " . Home = " + home);
    //        } else {
    //            Log.i(TAG, "Else Statement - Content = " + content + " . Home = " + home);
    //        }
    //        Log.i(TAG, "conte = " + content);
    myWebView = (WebView) findViewById(R.id.webview);
    //            if(content == null){
    myWebView.loadUrl(home);
    //        }else {
    //                myWebView.loadUrl(content);
    //            }
    myWebView.setWebViewClient(new WebViewClient());
    myWebView.getSettings().setBuiltInZoomControls(true);
    myWebView.getSettings().setJavaScriptEnabled(true);
    myWebView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);

    final ProgressBar Pbar;
    Pbar = (ProgressBar) findViewById(R.id.pB1);

    myWebView.setWebChromeClient(new WebChromeClient() {
        public void onProgressChanged(WebView view, int progress) {
            if (progress < 100 && Pbar.getVisibility() == ProgressBar.GONE) {
                Pbar.setVisibility(ProgressBar.VISIBLE);
            }
            Pbar.setProgress(progress);
            if (progress == 100) {
                Pbar.setVisibility(ProgressBar.GONE);
            }
        }
    });
    if (savedInstanceState != null) {
        myWebView.restoreState(savedInstanceState);
    } else {
        //            if(content == null && !content.isEmpty()){
        //            myWebView.loadUrl("http://www.tfmamba.com");
    }
}

From source file:io.github.hidroh.materialistic.SubmitActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    AppUtils.setStatusBarColor(getWindow(), ContextCompat.getColor(this, R.color.blackT12));
    setContentView(R.layout.activity_submit);
    setSupportActionBar((Toolbar) findViewById(R.id.toolbar));
    //noinspection ConstantConditions
    getSupportActionBar().setDisplayOptions(
            ActionBar.DISPLAY_SHOW_HOME | ActionBar.DISPLAY_SHOW_TITLE | ActionBar.DISPLAY_HOME_AS_UP);
    mTitleLayout = (TextInputLayout) findViewById(R.id.textinput_title);
    mContentLayout = (TextInputLayout) findViewById(R.id.textinput_content);
    mTitleEditText = (TextView) findViewById(R.id.edittext_title);
    mContentEditText = (TextView) findViewById(R.id.edittext_content);
    String text, subject;// w  ww. ja v a2 s  .c  o m
    if (savedInstanceState == null) {
        subject = getIntent().getStringExtra(Intent.EXTRA_SUBJECT);
        text = getIntent().getStringExtra(Intent.EXTRA_TEXT);
    } else {
        subject = savedInstanceState.getString(STATE_SUBJECT);
        text = savedInstanceState.getString(STATE_TEXT);
    }
    mTitleEditText.setText(subject);
    mContentEditText.setText(text);
    if (TextUtils.isEmpty(subject)) {
        if (isUrl(text)) {
            WebView webView = new WebView(this);
            webView.setWebChromeClient(new WebChromeClient() {
                @Override
                public void onReceivedTitle(WebView view, String title) {
                    if (mTitleEditText.length() == 0) {
                        mTitleEditText.setText(title);
                    }
                }
            });
            webView.loadUrl(text);
        } else if (!TextUtils.isEmpty(text)) {
            extractUrl(text);
        }
    }
}

From source file:org.projecthdata.hhub.ui.HDataWebOauthActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    getWindow().requestFeature(Window.FEATURE_PROGRESS);
    getWindow().setFeatureInt(Window.FEATURE_PROGRESS, Window.PROGRESS_VISIBILITY_ON);
    super.onCreate(savedInstanceState);

    webView = new WebView(this);
    setContentView(webView);/*w  w w. j a  v  a2 s.  co m*/
    this.ehrUrl = getIntent().getStringExtra(EXTRA_EHR_URL);

    activity = this;

    this.connectionRepository = getApplicationContext().getConnectionRepository();
    this.hDataConnectionFactory = getApplicationContext().getHDataConnectionFactory(ehrUrl);

    webView.setWebChromeClient(new WebChromeClient() {

        public void onProgressChanged(WebView view, int progress) {
            activity.setTitle("Loading...");
            activity.setProgress(progress * 100);
            if (progress == 100) {
                activity.setTitle(R.string.app_name);
            }
        }
    });
    webView.setWebViewClient(new MyWebViewClient());

    // clear out any previously used credentials
    webView.clearCache(true);
    webView.clearFormData();
    webView.clearHistory();
    webView.getSettings().setSavePassword(false);
    webView.getSettings().setSaveFormData(false);
    CookieSyncManager.createInstance(this);
    CookieManager.getInstance().removeAllCookie();
}

From source file:com.owncloud.android.ui.activity.ExternalSiteWebView.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    Log_OC.v(TAG, "onCreate() start");

    Bundle extras = getIntent().getExtras();
    String title = extras.getString(EXTRA_TITLE);
    String url = extras.getString(EXTRA_URL);
    menuItemId = extras.getInt(EXTRA_MENU_ITEM_ID);
    showSidebar = extras.getBoolean(EXTRA_SHOW_SIDEBAR);

    // show progress
    getWindow().requestFeature(Window.FEATURE_PROGRESS);

    super.onCreate(savedInstanceState);
    setContentView(R.layout.externalsite_webview);

    WebView webview = (WebView) findViewById(R.id.webView);
    WebSettings webSettings = webview.getSettings();

    webview.setFocusable(true);//from   w  w w . j av  a 2  s  . co  m
    webview.setFocusableInTouchMode(true);
    webview.setClickable(true);

    // setup toolbar
    setupToolbar();

    // setup drawer
    setupDrawer(menuItemId);

    if (!showSidebar) {
        setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
    }

    getSupportActionBar().setTitle(title);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    // enable zoom
    webSettings.setSupportZoom(true);
    webSettings.setBuiltInZoomControls(true);
    webSettings.setDisplayZoomControls(false);

    // Non-responsive webs are zoomed out when loaded
    webSettings.setUseWideViewPort(true);
    webSettings.setLoadWithOverviewMode(true);

    // user agent
    webSettings.setUserAgentString(MainApp.getUserAgent());

    // no private data storing
    webSettings.setSavePassword(false);
    webSettings.setSaveFormData(false);

    // disable local file access
    webSettings.setAllowFileAccess(false);

    // enable javascript
    webview.getSettings().setJavaScriptEnabled(true);

    final Activity activity = this;
    final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progressBar);

    webview.setWebChromeClient(new WebChromeClient() {
        public void onProgressChanged(WebView view, int progress) {
            progressBar.setProgress(progress * 1000);
        }
    });

    webview.setWebViewClient(new WebViewClient() {
        public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
            Toast.makeText(activity, getString(R.string.webview_error) + ": " + description, Toast.LENGTH_SHORT)
                    .show();
        }
    });

    webview.loadUrl(url);
}

From source file:com.mummyding.app.leisure.ui.support.BaseWebViewActivity.java

private void initData() {
    data = getData();/*from   w  w w  .j av a2  s.  c  o m*/

    webView = (WebView) findViewById(R.id.webview);
    progressBar = (ProgressBar) findViewById(R.id.progressbar);
    webView.getSettings().setJavaScriptEnabled(true);
    webView.getSettings().setSupportMultipleWindows(false);
    /*
     cache web page
     */

    webView.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
    webView.getSettings().setDomStorageEnabled(true);
    webView.getSettings().setDatabaseEnabled(true);

    /*  if(Settings.isNightMode) {
    webView.setBackgroundColor(ContextCompat.getColor(this, R.color.night_primary));
     }*/
    if (HttpUtil.isWIFI == false) {
        webView.getSettings()
                .setBlockNetworkImage(Settings.getInstance().getBoolean(Settings.NO_PIC_MODE, false));
    } else {
        // fix issue #13
        webView.getSettings().setBlockNetworkImage(false);
    }

    loadData();
    setProgressBarIndeterminateVisibility(true);
    webView.setWebViewClient(new WebViewClient() {
        @Override
        public void onPageFinished(WebView view, String url) {
            super.onPageFinished(view, url);
            progressBar.setVisibility(View.GONE);
        }

        /* @Override
         public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
        view.loadUrl("file:///android_asset/error.html");
         }
                
         @Override
         public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
        view.loadUrl("file:///android_asset/error.html");
         }*/

        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            return false;
        }
    });
    webView.setWebChromeClient(new WebChromeClient() {
        @Override
        public void onProgressChanged(WebView view, int newProgress) {
            super.onProgressChanged(view, newProgress);
            if (isLoading) {
                progressBar.incrementProgressBy(newProgress - progressBar.getProgress());
                if (newProgress > 25) {
                    isLoading = false;
                    progressBar.setVisibility(View.GONE);
                }
            }
        }
    });
}