Example usage for android.webkit WebSettings setLoadWithOverviewMode

List of usage examples for android.webkit WebSettings setLoadWithOverviewMode

Introduction

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

Prototype

public abstract void setLoadWithOverviewMode(boolean overview);

Source Link

Document

Sets whether the WebView loads pages in overview mode, that is, zooms out the content to fit on screen by width.

Usage

From source file:com.company.millenium.iwannask.MainActivity.java

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

    //GPS/*from   ww w  .j ava 2s.c o m*/
    locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
    locationListener = new LocationListener() {
        public void onLocationChanged(Location location) {
            if (ActivityCompat.checkSelfPermission(MainActivity.this,
                    Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                // Check Permissions Now
                final int REQUEST_LOCATION = 2;

                if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this,
                        Manifest.permission.ACCESS_FINE_LOCATION)) {
                    // Display UI and wait for user interaction
                } else {
                    ActivityCompat.requestPermissions(MainActivity.this,
                            new String[] { Manifest.permission.ACCESS_FINE_LOCATION }, REQUEST_LOCATION);
                }
            } else {
                locationManager.removeUpdates(this);
            }
        }

        public void onStatusChanged(String string, int integer, Bundle bundle) {

        }

        public void onProviderEnabled(String string) {

        }

        public void onProviderDisabled(String string) {

        }
    };

    if (ActivityCompat.checkSelfPermission(this,
            Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
        // Check Permissions Now
        final int REQUEST_LOCATION = 2;

        if (ActivityCompat.shouldShowRequestPermissionRationale(this,
                Manifest.permission.ACCESS_FINE_LOCATION)) {
            // Display UI and wait for user interaction
        } else {
            ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.ACCESS_FINE_LOCATION },
                    REQUEST_LOCATION);
        }
    } else {
        locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 1000, locationListener);
    }

    int delay = 30000; // delay for 30 sec.
    int period = 3000000; // repeat every 5.3min.
    Timer timer = new Timer();
    timer.scheduleAtFixedRate(new TimerTask() {
        public void run() {
            if (ActivityCompat.checkSelfPermission(MainActivity.this,
                    Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                // Check Permissions Now
                final int REQUEST_LOCATION = 2;

                if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this,
                        Manifest.permission.ACCESS_FINE_LOCATION)) {
                    // Display UI and wait for user interaction
                } else {
                    ActivityCompat.requestPermissions(MainActivity.this,
                            new String[] { Manifest.permission.ACCESS_FINE_LOCATION }, REQUEST_LOCATION);
                }
            } else {
                locationManager.removeUpdates(locationListener);
            }
        }
    }, delay, period);

    getWindow().addFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);

    Intent mIntent = getIntent();
    URL = Constants.SERVER_URL;
    if (mIntent.hasExtra("url")) {
        myWebView = null;
        startActivity(getIntent());
        String url = mIntent.getStringExtra("url");
        URL = Constants.SERVER_URL + url;
    }

    CookieSyncManager.createInstance(this);
    CookieSyncManager.getInstance().startSync();
    myWebView = (WebView) findViewById(R.id.webview);
    myWebView.getSettings().setGeolocationDatabasePath(this.getFilesDir().getPath());
    myWebView.getSettings().setGeolocationEnabled(true);
    WebSettings webSettings = myWebView.getSettings();
    webSettings.setUseWideViewPort(false);
    if (!DetectConnection.checkInternetConnection(this)) {
        webSettings.setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
        showNoConnectionDialog(this);
    } else {
        webSettings.setCacheMode(WebSettings.LOAD_DEFAULT);
    }
    webSettings.setJavaScriptEnabled(true);
    myWebView.addJavascriptInterface(new webappinterface(this), "android");
    webSettings.setLoadWithOverviewMode(true);
    webSettings.setUseWideViewPort(true);
    myWebView.setOverScrollMode(View.OVER_SCROLL_NEVER);

    //location test
    webSettings.setAppCacheEnabled(true);
    webSettings.setDatabaseEnabled(true);
    webSettings.setDomStorageEnabled(true);

    myWebView.setWebViewClient(new WebViewClient() {
        @Override
        public void onPageFinished(WebView view, String url) {
            CookieSyncManager.getInstance().sync();
        }

        @Override
        public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
            handler.proceed(); // Ignore SSL certificate errors
        }

        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            if (Uri.parse(url).getHost().equals(Constants.HOST)
                    || Uri.parse(url).getHost().equals(Constants.WWWHOST)) {
                // This is my web site, so do not override; let my WebView load
                // the page
                return false;
            }
            // Otherwise, the link is not for a page on my site, so launch
            // another Activity that handles URLs
            Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
            startActivity(intent);
            return true;
        }
    });
    myWebView.setWebChromeClient(new WebChromeClient() {
        public void onGeolocationPermissionsShowPrompt(String origin,
                GeolocationPermissions.Callback callback) {
            callback.invoke(origin, true, false);
        }

        @Override
        public void onPermissionRequest(final PermissionRequest request) {
            Log.d(TAG, "onPermissionRequest");
            runOnUiThread(new Runnable() {
                @TargetApi(Build.VERSION_CODES.LOLLIPOP)
                @Override
                public void run() {
                    if (request.getOrigin().toString().equals("https://apprtc-m.appspot.com/")) {
                        request.grant(request.getResources());
                    } else {
                        request.deny();
                    }
                }
            });
        }

        public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback,
                WebChromeClient.FileChooserParams fileChooserParams) {

            // Double check that we don't have any existing callbacks
            if (mFilePathCallback != null) {
                mFilePathCallback.onReceiveValue(null);
            }
            mFilePathCallback = filePathCallback;

            // Set up the take picture intent
            Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
            if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
                // Create the File where the photo should go
                File photoFile = null;
                try {
                    photoFile = createImageFile();
                    takePictureIntent.putExtra("PhotoPath", mCameraPhotoPath);
                } catch (IOException ex) {
                    // Error occurred while creating the File
                    Log.e(TAG, "Unable to create Image File", ex);
                }

                // Continue only if the File was successfully created
                if (photoFile != null) {
                    mCameraPhotoPath = "file:" + photoFile.getAbsolutePath();
                    takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photoFile));
                } else {
                    takePictureIntent = null;
                }
            }

            // Set up the intent to get an existing image
            Intent contentSelectionIntent = new Intent(Intent.ACTION_GET_CONTENT);
            contentSelectionIntent.addCategory(Intent.CATEGORY_OPENABLE);
            contentSelectionIntent.setType("image/*");

            // Set up the intents for the Intent chooser
            Intent[] intentArray;
            if (takePictureIntent != null) {
                intentArray = new Intent[] { takePictureIntent };
            } else {
                intentArray = new Intent[0];
            }

            Intent chooserIntent = new Intent(Intent.ACTION_CHOOSER);
            chooserIntent.putExtra(Intent.EXTRA_INTENT, contentSelectionIntent);
            chooserIntent.putExtra(Intent.EXTRA_TITLE, "Image Chooser");
            chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentArray);

            startActivityForResult(chooserIntent, INPUT_FILE_REQUEST_CODE);

            return true;
        }

    });
    // setContentView(myWebView);
    //        myWebView.loadUrl(URL);
    myWebView.loadUrl(URL);
    mRegistrationBroadcastReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            //                mRegistrationProgressBar.setVisibility(ProgressBar.GONE);
            SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
            boolean sentToken = sharedPreferences.getBoolean(QuickstartPreferences.SENT_TOKEN_TO_SERVER, false);
        }
    };

    //CookieManager mCookieManager = CookieManager.getInstance();
    //Boolean hasCookies = mCookieManager.hasCookies();
    //while(!hasCookies);

    if (checkPlayServices()) {
        // Start IntentService to register this application with GCM.
        Intent intent = new Intent(this, RegistrationIntentService.class);
        //intent.putExtra("session", session);
        startService(intent);
    }

    Boolean isFirstRun = getSharedPreferences("PREFERENCE", MODE_PRIVATE).getBoolean("isFirstRun", true);

    if (isFirstRun) {
        //show start activity
        startActivity(new Intent(MainActivity.this, MyIntro.class));
    }
    //if (!isOnline())
    //    showNoConnectionDialog(this);
    getSharedPreferences("PREFERENCE", MODE_PRIVATE).edit().putBoolean("isFirstRun", false).commit();

    //Pull-to-refresh
    mSwipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.container);
    mSwipeRefreshLayout.setOnRefreshListener(this);
}

From source file:com.mobicage.rogerthat.plugins.messaging.AttachmentViewerActivity.java

@SuppressLint({ "SetJavaScriptEnabled" })
protected void updateView(boolean isUpdate) {
    T.UI();//  w w w.  ja  v  a2s . c  om

    if (!isUpdate && mGenerateThumbnail) {
        File thumbnail = new File(mFile.getAbsolutePath() + ".thumb");
        if (!thumbnail.exists()) {
            boolean isImage = mContentType.toLowerCase(Locale.US).startsWith("image/");
            boolean isVideo = !isImage && mContentType.toLowerCase(Locale.US).startsWith("video/");
            try {
                // Try to generate a thumbnail
                mMessagingPlugin.createAttachmentThumbnail(mFile.getAbsolutePath(), isImage, isVideo);
            } catch (Exception e) {
                L.e("Failed to generate attachment thumbnail", e);
            }
        }
    }

    final String fileOnDisk = "file://" + mFile.getAbsolutePath();

    if (mContentType.toLowerCase(Locale.US).startsWith("video/")) {
        MediaController mediacontroller = new MediaController(this);
        mediacontroller.setAnchorView(mVideoview);

        Uri video = Uri.parse(fileOnDisk);
        mVideoview.setMediaController(mediacontroller);
        mVideoview.setVideoURI(video);

        mVideoview.requestFocus();
        mVideoview.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
            @Override
            public void onPrepared(MediaPlayer mp) {
                mVideoview.start();
            }
        });

        mVideoview.setOnErrorListener(new MediaPlayer.OnErrorListener() {
            @Override
            public boolean onError(MediaPlayer mp, int what, int extra) {
                L.e("Could not play video, what " + what + ", extra " + extra + ", content_type " + mContentType
                        + ", and url " + mDownloadUrl);

                AlertDialog.Builder builder = new AlertDialog.Builder(AttachmentViewerActivity.this);
                builder.setMessage(R.string.error_please_try_again);
                builder.setCancelable(true);
                builder.setTitle(null);
                builder.setOnCancelListener(new DialogInterface.OnCancelListener() {
                    @Override
                    public void onCancel(DialogInterface dialog) {
                        dialog.dismiss();
                        finish();
                    }
                });
                builder.setPositiveButton(R.string.rogerthat, new SafeDialogInterfaceOnClickListener() {
                    @Override
                    public void safeOnClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                        finish();
                    }
                });
                builder.create().show();
                return true;
            }
        });

    } else if (CONTENT_TYPE_PDF.equalsIgnoreCase(mContentType)) {
        WebSettings settings = mWebview.getSettings();
        settings.setJavaScriptEnabled(true);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
            settings.setAllowUniversalAccessFromFileURLs(true);
        }

        mWebview.setWebViewClient(new WebViewClient() {

            @Override
            public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
                if (fileOnDisk.equals(url)) {
                    return null;
                }
                L.d("404: Expected: '" + fileOnDisk + "'\n Received: '" + url + "'");
                return new WebResourceResponse("text/plain", "UTF-8", null);
            }
        });
        try {
            mWebview.loadUrl("file:///android_asset/pdfjs/web/viewer.html?file="
                    + URLEncoder.encode(fileOnDisk, "UTF-8"));
        } catch (UnsupportedEncodingException uee) {
            L.bug(uee);
        }
    } else {
        WebSettings settings = mWebview.getSettings();
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
            settings.setAllowFileAccessFromFileURLs(true);
        }
        settings.setBuiltInZoomControls(true);
        settings.setLoadWithOverviewMode(true);
        settings.setUseWideViewPort(true);

        if (mContentType.toLowerCase(Locale.US).startsWith("image/")) {
            String html = "<html><head></head><body><img style=\"width: 100%;\" src=\"" + fileOnDisk
                    + "\"></body></html>";
            mWebview.loadDataWithBaseURL("", html, "text/html", "utf-8", "");
        } else {
            mWebview.loadUrl(fileOnDisk);
        }
    }
    L.d("File on disk: " + fileOnDisk);
}

From source file:com.slarker.tech.hi0734.view.widget.webview.AdvancedWebView.java

public void setDesktopMode(final boolean enabled) {
    final WebSettings webSettings = getSettings();

    final String newUserAgent;
    if (enabled) {
        newUserAgent = webSettings.getUserAgentString().replace("Mobile", "eliboM").replace("Android",
                "diordnA");
    } else {/*from  w  ww  . j  a v  a 2s . co  m*/
        newUserAgent = webSettings.getUserAgentString().replace("eliboM", "Mobile").replace("diordnA",
                "Android");
    }
    webSettings.setUserAgentString(newUserAgent);
    webSettings.setUseWideViewPort(enabled);
    webSettings.setLoadWithOverviewMode(enabled);
    webSettings.setSupportZoom(enabled);
    webSettings.setBuiltInZoomControls(enabled);
}

From source file:com.android.mail.ui.ConversationViewFragment.java

private void setupOverviewMode() {
    // for now, overview mode means use the built-in WebView zoom and disable custom scale
    // gesture handling
    final boolean overviewMode = isOverviewMode(mAccount);
    final WebSettings settings = mWebView.getSettings();
    final WebSettings.LayoutAlgorithm layout;
    settings.setUseWideViewPort(overviewMode);
    settings.setSupportZoom(overviewMode);
    settings.setBuiltInZoomControls(overviewMode);
    settings.setLoadWithOverviewMode(overviewMode);
    if (overviewMode) {
        settings.setDisplayZoomControls(false);
        layout = WebSettings.LayoutAlgorithm.NORMAL;
    } else {//  www  . j a v a2 s .  c om
        layout = WebSettings.LayoutAlgorithm.NARROW_COLUMNS;
    }
    settings.setLayoutAlgorithm(layout);
}

From source file:com.slarker.tech.hi0734.view.widget.webview.AdvancedWebView.java

@SuppressLint({ "SetJavaScriptEnabled" })
protected void init(Context context) {
    // in IDE's preview mode
    if (isInEditMode()) {
        // do not run the code from this method
        return;// w ww .j  a v  a  2  s  . c  om
    }

    if (context instanceof Activity) {
        mActivity = new WeakReference<Activity>((Activity) context);
    }

    mLanguageIso3 = getLanguageIso3();

    setFocusable(true);
    setFocusableInTouchMode(true);

    setSaveEnabled(true);

    final String filesDir = context.getFilesDir().getPath();
    final String databaseDir = filesDir.substring(0, filesDir.lastIndexOf("/")) + DATABASES_SUB_FOLDER;

    final WebSettings webSettings = getSettings();
    webSettings.setAllowFileAccess(false);
    setAllowAccessFromFileUrls(webSettings, false);
    webSettings.setBuiltInZoomControls(false);
    webSettings.setUseWideViewPort(true);
    webSettings.setLoadWithOverviewMode(true);
    webSettings.setJavaScriptEnabled(true);
    webSettings.setDomStorageEnabled(true);
    webSettings.setUserAgentString(ApiClientHelper.getUserAgent((AppContext) x.app()) + "/isapp");
    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.HONEYCOMB) {
        // Hide the zoom controls for HONEYCOMB+
        webSettings.setDisplayZoomControls(false);
    }
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        WebView.setWebContentsDebuggingEnabled(true);
    }
    if (Build.VERSION.SDK_INT < 18) {
        webSettings.setRenderPriority(WebSettings.RenderPriority.HIGH);
    }
    webSettings.setDatabaseEnabled(true);
    if (Build.VERSION.SDK_INT < 19) {
        webSettings.setDatabasePath(databaseDir);
    }
    setMixedContentAllowed(webSettings, true);

    setThirdPartyCookiesEnabled(true);

    webSettings.setJavaScriptCanOpenWindowsAutomatically(true);

    super.setWebViewClient(new WebViewClient() {

        @Override
        public void onPageStarted(WebView view, String url, Bitmap favicon) {
            if (!hasError()) {
                if (mListener != null) {
                    mListener.onPageStarted(url, favicon);
                }
            }

            if (mCustomWebViewClient != null) {
                mCustomWebViewClient.onPageStarted(view, url, favicon);
            }
        }

        @Override
        public void onPageFinished(WebView view, String url) {
            if (!hasError()) {
                if (mListener != null) {
                    mListener.onPageFinished(url);
                }
            }

            if (mCustomWebViewClient != null) {
                mCustomWebViewClient.onPageFinished(view, url);
            }
        }

        @Override
        public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
            setLastError();

            if (mListener != null) {
                mListener.onPageError(errorCode, description, failingUrl);
            }

            if (mCustomWebViewClient != null) {
                mCustomWebViewClient.onReceivedError(view, errorCode, description, failingUrl);
            }
        }

        @Override
        public boolean shouldOverrideUrlLoading(final WebView view, final String url) {
            // if the hostname may not be accessed
            if (!isHostnameAllowed(url)) {
                // if a listener is available
                if (mListener != null) {
                    // inform the listener about the request
                    mListener.onExternalPageRequest(url);
                }

                // cancel the original request
                return true;
            }

            // if there is a user-specified handler available
            if (mCustomWebViewClient != null) {
                // if the user-specified handler asks to override the request
                if (mCustomWebViewClient.shouldOverrideUrlLoading(view, url)) {
                    // cancel the original request
                    return true;
                }
            }

            // route the request through the custom URL loading method
            view.loadUrl(url);

            // cancel the original request
            return true;
        }

        @Override
        public void onLoadResource(WebView view, String url) {
            if (mCustomWebViewClient != null) {
                mCustomWebViewClient.onLoadResource(view, url);
            } else {
                super.onLoadResource(view, url);
            }
        }

        @SuppressLint("NewApi")
        @SuppressWarnings("all")
        public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
            if (Build.VERSION.SDK_INT >= 11) {
                if (mCustomWebViewClient != null) {
                    return mCustomWebViewClient.shouldInterceptRequest(view, url);
                } else {
                    return super.shouldInterceptRequest(view, url);
                }
            } else {
                return null;
            }
        }

        @SuppressLint("NewApi")
        @SuppressWarnings("all")
        public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {
            if (Build.VERSION.SDK_INT >= 21) {
                if (mCustomWebViewClient != null) {
                    return mCustomWebViewClient.shouldInterceptRequest(view, request);
                } else {
                    return super.shouldInterceptRequest(view, request);
                }
            } else {
                return null;
            }
        }

        @Override
        public void onFormResubmission(WebView view, Message dontResend, Message resend) {
            if (mCustomWebViewClient != null) {
                mCustomWebViewClient.onFormResubmission(view, dontResend, resend);
            } else {
                super.onFormResubmission(view, dontResend, resend);
            }
        }

        @Override
        public void doUpdateVisitedHistory(WebView view, String url, boolean isReload) {
            if (mCustomWebViewClient != null) {
                mCustomWebViewClient.doUpdateVisitedHistory(view, url, isReload);
            } else {
                super.doUpdateVisitedHistory(view, url, isReload);
            }
        }

        @Override
        public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
            if (mCustomWebViewClient != null) {
                mCustomWebViewClient.onReceivedSslError(view, handler, error);
            } else {
                super.onReceivedSslError(view, handler, error);
            }
        }

        @SuppressLint("NewApi")
        @SuppressWarnings("all")
        public void onReceivedClientCertRequest(WebView view, ClientCertRequest request) {
            if (Build.VERSION.SDK_INT >= 21) {
                if (mCustomWebViewClient != null) {
                    mCustomWebViewClient.onReceivedClientCertRequest(view, request);
                } else {
                    super.onReceivedClientCertRequest(view, request);
                }
            }
        }

        @Override
        public void onReceivedHttpAuthRequest(WebView view, HttpAuthHandler handler, String host,
                String realm) {
            if (mCustomWebViewClient != null) {
                mCustomWebViewClient.onReceivedHttpAuthRequest(view, handler, host, realm);
            } else {
                super.onReceivedHttpAuthRequest(view, handler, host, realm);
            }
        }

        @Override
        public boolean shouldOverrideKeyEvent(WebView view, KeyEvent event) {
            if (mCustomWebViewClient != null) {
                return mCustomWebViewClient.shouldOverrideKeyEvent(view, event);
            } else {
                return super.shouldOverrideKeyEvent(view, event);
            }
        }

        @Override
        public void onUnhandledKeyEvent(WebView view, KeyEvent event) {
            if (mCustomWebViewClient != null) {
                mCustomWebViewClient.onUnhandledKeyEvent(view, event);
            } else {
                super.onUnhandledKeyEvent(view, event);
            }
        }

        @SuppressLint("NewApi")
        @SuppressWarnings("all")
        @TargetApi(21)
        public void onUnhandledInputEvent(WebView view, InputEvent event) {
            if (Build.VERSION.SDK_INT >= 21) {
                if (mCustomWebViewClient != null) {
                    //                        mCustomWebViewClient.onUnhandledInputEvent(view, event);
                } else {
                    //                        super.onUnhandledInputEvent(view, event);
                }
            }
        }

        @Override
        public void onScaleChanged(WebView view, float oldScale, float newScale) {
            if (mCustomWebViewClient != null) {
                mCustomWebViewClient.onScaleChanged(view, oldScale, newScale);
            } else {
                super.onScaleChanged(view, oldScale, newScale);
            }
        }

        @SuppressLint("NewApi")
        @SuppressWarnings("all")
        public void onReceivedLoginRequest(WebView view, String realm, String account, String args) {
            if (Build.VERSION.SDK_INT >= 12) {
                if (mCustomWebViewClient != null) {
                    mCustomWebViewClient.onReceivedLoginRequest(view, realm, account, args);
                } else {
                    super.onReceivedLoginRequest(view, realm, account, args);
                }
            }
        }

    });

    super.setWebChromeClient(new WebChromeClient() {

        // file upload callback (Android 2.2 (API level 8) -- Android 2.3 (API level 10)) (hidden method)
        @SuppressWarnings("unused")
        public void openFileChooser(ValueCallback<Uri> uploadMsg) {
            openFileChooser(uploadMsg, null);
        }

        // file upload callback (Android 3.0 (API level 11) -- Android 4.0 (API level 15)) (hidden method)
        public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType) {
            openFileChooser(uploadMsg, acceptType, null);
        }

        // file upload callback (Android 4.1 (API level 16) -- Android 4.3 (API level 18)) (hidden method)
        @SuppressWarnings("unused")
        public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture) {
            openFileInput(uploadMsg, null, false);
        }

        // file upload callback (Android 5.0 (API level 21) -- current) (public method)
        @SuppressWarnings("all")
        public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback,
                FileChooserParams fileChooserParams) {
            if (Build.VERSION.SDK_INT >= 21) {
                final boolean allowMultiple = fileChooserParams
                        .getMode() == FileChooserParams.MODE_OPEN_MULTIPLE;

                openFileInput(null, filePathCallback, allowMultiple);

                return true;
            } else {
                return false;
            }
        }

        @Override
        public void onProgressChanged(WebView view, int newProgress) {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onProgressChanged(view, newProgress);
            } else {
                super.onProgressChanged(view, newProgress);
            }
        }

        @Override
        public void onReceivedTitle(WebView view, String title) {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onReceivedTitle(view, title);
            } else {
                super.onReceivedTitle(view, title);
            }
        }

        @Override
        public void onReceivedIcon(WebView view, Bitmap icon) {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onReceivedIcon(view, icon);
            } else {
                super.onReceivedIcon(view, icon);
            }
        }

        @Override
        public void onReceivedTouchIconUrl(WebView view, String url, boolean precomposed) {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onReceivedTouchIconUrl(view, url, precomposed);
            } else {
                super.onReceivedTouchIconUrl(view, url, precomposed);
            }
        }

        @Override
        public void onShowCustomView(View view, CustomViewCallback callback) {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onShowCustomView(view, callback);
            } else {
                super.onShowCustomView(view, callback);
            }
        }

        @SuppressLint("NewApi")
        @SuppressWarnings("all")
        public void onShowCustomView(View view, int requestedOrientation, CustomViewCallback callback) {
            if (Build.VERSION.SDK_INT >= 14) {
                if (mCustomWebChromeClient != null) {
                    mCustomWebChromeClient.onShowCustomView(view, requestedOrientation, callback);
                } else {
                    super.onShowCustomView(view, requestedOrientation, callback);
                }
            }
        }

        @Override
        public void onHideCustomView() {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onHideCustomView();
            } else {
                super.onHideCustomView();
            }
        }

        @Override
        public boolean onCreateWindow(WebView view, boolean isDialog, boolean isUserGesture,
                Message resultMsg) {
            if (mCustomWebChromeClient != null) {
                return mCustomWebChromeClient.onCreateWindow(view, isDialog, isUserGesture, resultMsg);
            } else {
                return super.onCreateWindow(view, isDialog, isUserGesture, resultMsg);
            }
        }

        @Override
        public void onRequestFocus(WebView view) {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onRequestFocus(view);
            } else {
                super.onRequestFocus(view);
            }
        }

        @Override
        public void onCloseWindow(WebView window) {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onCloseWindow(window);
            } else {
                super.onCloseWindow(window);
            }
        }

        @Override
        public boolean onJsAlert(WebView view, String url, String message, JsResult result) {
            if (mCustomWebChromeClient != null) {
                return mCustomWebChromeClient.onJsAlert(view, url, message, result);
            } else {
                return super.onJsAlert(view, url, message, result);
            }
        }

        @Override
        public boolean onJsConfirm(WebView view, String url, String message, JsResult result) {
            if (mCustomWebChromeClient != null) {
                return mCustomWebChromeClient.onJsConfirm(view, url, message, result);
            } else {
                return super.onJsConfirm(view, url, message, result);
            }
        }

        @Override
        public boolean onJsPrompt(WebView view, String url, String message, String defaultValue,
                JsPromptResult result) {
            if (mCustomWebChromeClient != null) {
                return mCustomWebChromeClient.onJsPrompt(view, url, message, defaultValue, result);
            } else {
                return super.onJsPrompt(view, url, message, defaultValue, result);
            }
        }

        @Override
        public boolean onJsBeforeUnload(WebView view, String url, String message, JsResult result) {
            if (mCustomWebChromeClient != null) {
                return mCustomWebChromeClient.onJsBeforeUnload(view, url, message, result);
            } else {
                return super.onJsBeforeUnload(view, url, message, result);
            }
        }

        @Override
        public void onGeolocationPermissionsShowPrompt(String origin, Callback callback) {
            if (mGeolocationEnabled) {
                callback.invoke(origin, true, false);
            } else {
                if (mCustomWebChromeClient != null) {
                    mCustomWebChromeClient.onGeolocationPermissionsShowPrompt(origin, callback);
                } else {
                    super.onGeolocationPermissionsShowPrompt(origin, callback);
                }
            }
        }

        @Override
        public void onGeolocationPermissionsHidePrompt() {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onGeolocationPermissionsHidePrompt();
            } else {
                super.onGeolocationPermissionsHidePrompt();
            }
        }

        @SuppressLint("NewApi")
        @SuppressWarnings("all")
        public void onPermissionRequest(PermissionRequest request) {
            if (Build.VERSION.SDK_INT >= 21) {
                if (mCustomWebChromeClient != null) {
                    mCustomWebChromeClient.onPermissionRequest(request);
                } else {
                    super.onPermissionRequest(request);
                }
            }
        }

        @SuppressLint("NewApi")
        @SuppressWarnings("all")
        public void onPermissionRequestCanceled(PermissionRequest request) {
            if (Build.VERSION.SDK_INT >= 21) {
                if (mCustomWebChromeClient != null) {
                    mCustomWebChromeClient.onPermissionRequestCanceled(request);
                } else {
                    super.onPermissionRequestCanceled(request);
                }
            }
        }

        @Override
        public boolean onJsTimeout() {
            if (mCustomWebChromeClient != null) {
                return mCustomWebChromeClient.onJsTimeout();
            } else {
                return super.onJsTimeout();
            }
        }

        @Override
        public void onConsoleMessage(String message, int lineNumber, String sourceID) {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onConsoleMessage(message, lineNumber, sourceID);
            } else {
                super.onConsoleMessage(message, lineNumber, sourceID);
            }
        }

        @Override
        public boolean onConsoleMessage(ConsoleMessage consoleMessage) {
            if (mCustomWebChromeClient != null) {
                return mCustomWebChromeClient.onConsoleMessage(consoleMessage);
            } else {
                return super.onConsoleMessage(consoleMessage);
            }
        }

        @Override
        public Bitmap getDefaultVideoPoster() {
            if (mCustomWebChromeClient != null) {
                return mCustomWebChromeClient.getDefaultVideoPoster();
            } else {
                return super.getDefaultVideoPoster();
            }
        }

        @Override
        public View getVideoLoadingProgressView() {
            if (mCustomWebChromeClient != null) {
                return mCustomWebChromeClient.getVideoLoadingProgressView();
            } else {
                return super.getVideoLoadingProgressView();
            }
        }

        @Override
        public void getVisitedHistory(ValueCallback<String[]> callback) {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.getVisitedHistory(callback);
            } else {
                super.getVisitedHistory(callback);
            }
        }

        @Override
        public void onExceededDatabaseQuota(String url, String databaseIdentifier, long quota,
                long estimatedDatabaseSize, long totalQuota, QuotaUpdater quotaUpdater) {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onExceededDatabaseQuota(url, databaseIdentifier, quota,
                        estimatedDatabaseSize, totalQuota, quotaUpdater);
            } else {
                super.onExceededDatabaseQuota(url, databaseIdentifier, quota, estimatedDatabaseSize, totalQuota,
                        quotaUpdater);
            }
        }

        @Override
        public void onReachedMaxAppCacheSize(long requiredStorage, long quota, QuotaUpdater quotaUpdater) {
            if (mCustomWebChromeClient != null) {
                mCustomWebChromeClient.onReachedMaxAppCacheSize(requiredStorage, quota, quotaUpdater);
            } else {
                super.onReachedMaxAppCacheSize(requiredStorage, quota, quotaUpdater);
            }
        }

    });

    setDownloadListener(new DownloadListener() {

        @Override
        public void onDownloadStart(final String url, final String userAgent, final String contentDisposition,
                final String mimeType, final long contentLength) {
            final String suggestedFilename = URLUtil.guessFileName(url, contentDisposition, mimeType);

            if (mListener != null) {
                mListener.onDownloadRequested(url, suggestedFilename, mimeType, contentLength,
                        contentDisposition, userAgent);
            }
        }

    });
}