android.webkit.WebViewClient Java Examples

@SuppressLint("SetJavaScriptEnabled")
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    //noinspection ConstantConditions
    getActionBar().setDisplayHomeAsUpEnabled(true);
    setContentView(R.layout.presentation_activity);
    mWebView = (WebView) findViewById(R.id.webView);
    mWebView.setWebViewClient(new WebViewClient());
    mWebView.getSettings().setJavaScriptEnabled(true);
    mWebView.getSettings().setJavaScriptEnabled(true);
    mWebView.getSettings().setDomStorageEnabled(true);
    mWebView.getSettings().setJavaScriptEnabled(true);
    mWebView.getSettings().setDomStorageEnabled(true);
    mWebView.loadUrl("file:///android_asset/slides/index.html");
}
 

public TaskAddHtml(WebView webview, HttpFinishCallBack callBack) {
    this.callBack = callBack;
    List<MapConfigBean> list = LitePal.findAll(MapConfigBean.class);
    List<String> name = new ArrayList<>();
    for (MapConfigBean m : list) {
        name.add(m.name);
    }
    webview.loadUrl("file:///android_asset/html/task.html");
    webview.setWebViewClient(new WebViewClient() {
        @Override
        public void onPageFinished(WebView view, String url) {
            super.onPageFinished(view, url);
            view.loadUrl(String.format("javascript:onLoad(\'%s\')", JSON.toJSONString(name)));
        }
    });
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    WebView markdownView = (WebView) findViewById(R.id.markdownView);
    markdownView.getSettings().setJavaScriptEnabled(true);
    markdownView.loadUrl(getResources().getString(R.string.official_remote_url));
    markdownView.setWebViewClient(new WebViewClient() {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            view.loadUrl(url);
            return false;
        }
    });

    MarketingCloudSdk.requestSdk(new MarketingCloudSdk.WhenReadyListener() {
        @Override
        public void ready(MarketingCloudSdk marketingCloudSdk) {
            marketingCloudSdk.getAnalyticsManager().trackPageView("data://OriginalDocsActivity", getResources().getString(R.string.official_remote_url), null, null);
        }
    });
}
 

public void resetView() {
       setContentView(R.layout.activity_issue_preview);

	((TextView) findViewById(R.id.title)).setText(Utils.stripTags(title));

       final WebView web = (WebView) findViewById(R.id.detailsLabel);
       web.loadDataWithBaseURL(null, details, "text/html", "utf-8", null);
       web.setWebViewClient(new WebViewClient() {
           public boolean shouldOverrideUrlLoading(WebView view, String url) {
           	try {
           		view.getContext().startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
           	} catch (Exception failed) {
           		return false;
           	}
               return true;
           }
       });
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getSupportActionBar().hide();
    setContentView(R.layout.about);
    webview = (WebView) findViewById(R.id.webvAbout);
    webview.setWebViewClient(new WebViewClient() {

        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            if (url.startsWith("http")) {
                Intent i = new Intent(Intent.ACTION_VIEW);
                i.setData(Uri.parse(url));
                startActivity(i);
            } else {
                view.loadUrl(url);
            }
            return false;
        }

    });
    webview.loadUrl("file:///android_asset/about.html");
}
 

/**
 * Report an error to the host application. These errors are unrecoverable (i.e. the main resource is unavailable).
 * The errorCode parameter corresponds to one of the ERROR_* constants.
 *
 * @param view          The WebView that is initiating the callback.
 * @param errorCode     The error code corresponding to an ERROR_* value.
 * @param description   A String describing the error.
 * @param failingUrl    The url that failed to load.
 */
@Override
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
    // Ignore error due to stopLoading().
    if (!isCurrentlyLoading) {
        return;
    }
    LOG.d(TAG, "CordovaWebViewClient.onReceivedError: Error code=%s Description=%s URL=%s", errorCode, description, failingUrl);

    // If this is a "Protocol Not Supported" error, then revert to the previous
    // page. If there was no previous page, then punt. The application's config
    // is likely incorrect (start page set to sms: or something like that)
    if (errorCode == WebViewClient.ERROR_UNSUPPORTED_SCHEME) {
        parentEngine.client.clearLoadTimeoutTimer();

        if (view.canGoBack()) {
            view.goBack();
            return;
        } else {
            super.onReceivedError(view, errorCode, description, failingUrl);
        }
    }
    parentEngine.client.onReceivedError(errorCode, description, failingUrl);
}
 

@Override
public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
    handler.cancel();

    // WebView can try to load the favicon for a bad page when you set a new URL. If we then
    // loadErrorPage() again, WebView tries to load the favicon again. We end up in onReceivedSSlError()
    // again, and we get an infinite loop of reloads (we also erroneously show the favicon URL
    // in the toolbar, but that's less noticeable). Hence we check whether this error is from
    // the desired page, or a page resource:
    if (error.getUrl().equals(currentPageURL)) {
        TelemetryWrapper.sslErrorEvent(true, error);
        ErrorPage.loadErrorPage(view, error.getUrl(), WebViewClient.ERROR_FAILED_SSL_HANDSHAKE);
    } else {
        TelemetryWrapper.sslErrorEvent(false, error);
    }
}
 

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

    mWebview = (WebView) view.findViewById(R.id.h5_web);
    WebSettings webSettings = mWebview.getSettings();
    webSettings.setSupportZoom(false);
    webSettings.setPluginState(WebSettings.PluginState.ON);
    webSettings.setLoadWithOverviewMode(true);
    webSettings.setJavaScriptEnabled(true);
    mWebview.setWebChromeClient(new WebChromeClient());
    mWebview.setWebViewClient(new WebViewClient());
    mWebview.loadUrl(mUrl);
    DetailAnimViewGroup wrapper = new DetailAnimViewGroup(inflater.getContext(), view, 0);
    wrapper.setReversed(false);
    return wrapper;
}
 

private void initWebView() {
    if (this.mWebView == null) {
        this.mWebView = new WebView(this);
        this.mWebView.setBackgroundColor(-1);
        this.rootView.addView(this.mWebView, new LayoutParams(-1, -1));
        this.mWebView.getSettings().setUseWideViewPort(true);
        this.mWebView.getSettings().setSupportZoom(true);
        this.mWebView.getSettings().setBuiltInZoomControls(true);
        this.mWebView.setVerticalScrollBarEnabled(true);
        this.mWebView.setHorizontalScrollBarEnabled(true);
        this.mWebView.getSettings().setJavaScriptEnabled(true);
        this.mWebView.getSettings().setDomStorageEnabled(true);
        this.mWebView.setWebViewClient(new WebViewClient() {
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                AlbumPlayActivity.this.mWebView.loadUrl(url);
                return super.shouldOverrideUrlLoading(view, url);
            }
        });
        this.mWebView.setClickable(false);
    }
}
 

static void toggleInvisibleInk(final WebView invisibleInkView, final ViewGroup bubble, TextView text, LinearLayout replay){
    bubble.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);

    text.setVisibility(View.GONE);
    replay.setVisibility(View.GONE);
    invisibleInkView.setVisibility(View.VISIBLE);

    String invisibleInk = "<html><head><style type='text/css' rel='stylesheet'> html { margin: 0; padding: 0em; }</style></head><body><span class='ink'>" + text.getText() + "</span> <script src='jquery.js' type='text/javascript'></script> <script src='invisibleink.js' type='text/javascript'></script></body></html>";

    invisibleInkView.loadDataWithBaseURL("file:///android_asset/html/", invisibleInk, "text/html", "UTF-8", null);
    invisibleInkView.setWebViewClient(new WebViewClient() {
        @Override
        public void onPageFinished(WebView view, String url) {
            invisibleInkView.loadUrl("javascript:weMessage.resizeInvisibleInk(document.body.getBoundingClientRect().height)");
            super.onPageFinished(view, url);
        }
    });
}
 

private void setClient() {

		web.setWebChromeClient(new WebChromeClient() {
		});

		// 如果要自动唤起自定义的scheme，不能设置WebViewClient，
		// 否则，需要在shouldOverrideUrlLoading中自行处理自定义scheme
		// webView.setWebViewClient();
		web.setWebViewClient(new WebViewClient() {

			@Override
			public boolean shouldOverrideUrlLoading(WebView view, String url) {
				view.loadUrl(url);
				return true;
			}

		});
	}
 

public void resetView() {
       setContentView(R.layout.activity_issue_preview);

	((TextView) findViewById(R.id.title)).setText(Utils.stripTags(title));

       final WebView web = (WebView) findViewById(R.id.detailsLabel);
       web.loadDataWithBaseURL(null, details, "text/html", "utf-8", null);
       web.setWebViewClient(new WebViewClient() {
           public boolean shouldOverrideUrlLoading(WebView view, String url) {
           	try {
           		view.getContext().startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
           	} catch (Exception failed) {
           		return false;
           	}
               return true;
           }
       });
}
 

/**
 * Report an error to the host application. These errors are unrecoverable (i.e. the main resource is unavailable).
 * The errorCode parameter corresponds to one of the ERROR_* constants.
 *
 * @param view          The WebView that is initiating the callback.
 * @param errorCode     The error code corresponding to an ERROR_* value.
 * @param description   A String describing the error.
 * @param failingUrl    The url that failed to load.
 */
@Override
@SuppressWarnings("deprecation")
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
    // Ignore error due to stopLoading().
    if (!isCurrentlyLoading) {
        return;
    }
    LOG.d(TAG, "CordovaWebViewClient.onReceivedError: Error code=%s Description=%s URL=%s", errorCode, description, failingUrl);

    // If this is a "Protocol Not Supported" error, then revert to the previous
    // page. If there was no previous page, then punt. The application's config
    // is likely incorrect (start page set to sms: or something like that)
    if (errorCode == WebViewClient.ERROR_UNSUPPORTED_SCHEME) {
        parentEngine.client.clearLoadTimeoutTimer();

        if (view.canGoBack()) {
            view.goBack();
            return;
        } else {
            super.onReceivedError(view, errorCode, description, failingUrl);
        }
    }
    parentEngine.client.onReceivedError(errorCode, description, failingUrl);
}
 

@SuppressLint("SetJavaScriptEnabled")
@Provides
@Singleton
static WebView providesWebView(@ApplicationContext Context context){
    Logger.t(TAG).d("初始化");
    WebView mWebView = new WebView(context);

    WebSettings mWebSettings = mWebView.getSettings();

    //启用JavaScript。
    mWebSettings.setJavaScriptEnabled(true);
    mWebSettings.setUseWideViewPort(true);
    mWebSettings.setJavaScriptCanOpenWindowsAutomatically(true);

    mWebView.loadUrl("file:///android_asset/web/index.html"); //js文件路径
    mWebView.setWebViewClient(new WebViewClient() {
        @Override
        public void onPageFinished(WebView view, String url) {
            Logger.t(TAG).d("加载完成..:" + url);
        }
    });
    return mWebView;
}
 

@TargetApi(Build.VERSION_CODES.KITKAT)
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setTitle("Custom WebView");
    jsBridge = JsBridge.loadModule();
    WebView.setWebContentsDebuggingEnabled(true);
    customWebView = new CustomWebView(this);
    setContentView(customWebView);
    customWebView.setWebViewClient(new WebViewClient() {
        @Override
        public void onPageFinished(WebView view, String url) {
            super.onPageFinished(view, url);
            jsBridge.injectJs(customWebView);
        }
    });
    customWebView.setPromptResult(new PromptResultCallback() {
        @Override
        public void onResult(String args, PromptResultImpl promptResult) {
            jsBridge.callJsPrompt(args, promptResult);
        }
    });
    customWebView.loadUrl("file:///android_asset/sample.html");
}
 

public void initWebView(String data) {
    WebView mWebView = findViewById(R.id.showdiarys);
    WebSettings settings = mWebView.getSettings();

    //settings.setUseWideViewPort(true);//调整到适合webview的大小，不过尽量不要用，有些手机有问题
    settings.setLoadWithOverviewMode(true);//设置WebView是否使用预览模式加载界面。
    mWebView.setVerticalScrollBarEnabled(false);//不能垂直滑动
    mWebView.setHorizontalScrollBarEnabled(false);//不能水平滑动
    settings.setTextSize(WebSettings.TextSize.NORMAL);//通过设置WebSettings，改变HTML中文字的大小
    settings.setJavaScriptCanOpenWindowsAutomatically(true);//支持通过JS打开新窗口
    //设置WebView属性，能够执行Javascript脚本
    mWebView.getSettings().setJavaScriptEnabled(true);//设置js可用
    mWebView.setWebViewClient(new WebViewClient());
    mWebView.addJavascriptInterface(new AndroidJavaScript(getApplication()), "android");//设置js接口
    settings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);//支持内容重新布局

    mWebView.loadUrl(data);
}
 

@TargetApi(Build.VERSION_CODES.M)
@Override
public void onReceivedError(final WebView view, final WebResourceRequest request, final WebResourceError error) {
    final boolean errorHandled = chatWindowListener != null && chatWindowListener.onError(ChatWindowErrorType.WebViewClient, error.getErrorCode(), String.valueOf(error.getDescription()));
    post(new Runnable() {
        @Override
        public void run() {
            onErrorDetected(errorHandled, ChatWindowErrorType.WebViewClient, error.getErrorCode(), String.valueOf(error.getDescription()));
        }
    });

    super.onReceivedError(view, request, error);
    Log.e("ChatWindow Widget", "onReceivedError: " + error.getErrorCode() + ": desc: " + error.getDescription() + " url: " + request.getUrl());
}
 

@SuppressLint("SetJavaScriptEnabled")
public static void loadUrl(Context mContext, WebView webview, String url,
                           boolean javaScriptEnabled) {
    WebSettings webSettings = webview.getSettings();
    webSettings.setJavaScriptEnabled(javaScriptEnabled);
    webview.setWebViewClient(new WebViewClient());
    webview.loadUrl(url);
}
 

/**
 * Report an error to the host application. These errors are unrecoverable (i.e. the main resource is unavailable).
 * The errorCode parameter corresponds to one of the ERROR_* constants.
 *
 * @param errorCode    The error code corresponding to an ERROR_* value.
 * @param description  A String describing the error.
 * @param failingUrl   The url that failed to load.
 */
public void onReceivedError(final int errorCode, final String description, final String failingUrl) {
    final CordovaActivity me = this;

    // If errorUrl specified, then load it
    final String errorUrl = preferences.getString("errorUrl", null);
    if ((errorUrl != null) && (!failingUrl.equals(errorUrl)) && (appView != null)) {
        // Load URL on UI thread
        me.runOnUiThread(new Runnable() {
            public void run() {
                me.appView.showWebPage(errorUrl, false, true, null);
            }
        });
    }
    // If not, then display error dialog
    else {
        final boolean exit = !(errorCode == WebViewClient.ERROR_HOST_LOOKUP);
        me.runOnUiThread(new Runnable() {
            public void run() {
                if (exit) {
                    me.appView.getView().setVisibility(View.GONE);
                    me.displayError("Application Error", description + " (" + failingUrl + ")", "OK", exit);
                }
            }
        });
    }
}
 

@Override
public void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_create_reply);
       
       if (MainActivity.instance instanceof ForumConfig) {
       	HttpGetImageAction.fetchImage(this, MainActivity.instance.avatar, findViewById(R.id.icon));
       } else {
       	((ImageView)findViewById(R.id.icon)).setImageResource(R.drawable.icon);
       }
       
       TextView text = (TextView) findViewById(R.id.topicText);
       text.setText(MainActivity.post.topic);
       
       CheckBox checkbox = (CheckBox) findViewById(R.id.replyToParentCheckBox);
       if (MainActivity.post.parent != null && MainActivity.post.parent.length() != 0) {
       	checkbox.setChecked(true);
       } else {
       	checkbox.setVisibility(View.GONE);
       }
       
       final WebView web = (WebView) findViewById(R.id.detailsLabel);
       web.loadDataWithBaseURL(null, MainActivity.post.detailsText, "text/html", "utf-8", null);
       
       web.setWebViewClient(new WebViewClient() {
           public boolean shouldOverrideUrlLoading(WebView view, String url) {
           	try {
           		view.getContext().startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
           	} catch (Exception failed) {
           		return false;
           	}
               return true;
           }
       });
}
 

private void initWebview(WebView webView) {
    webView.setWebChromeClient(new WebChromeClient());
    webView.setWebViewClient(new WebViewClient());
    webView.getSettings().setBuiltInZoomControls(true);
    webView.getSettings().setJavaScriptEnabled(true);
    webView.getSettings().setDomStorageEnabled(true);
    webView.getSettings().setDatabaseEnabled(true);
    webView.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
    webView.getSettings().setAppCacheEnabled(true);

    webView.requestFocus();
    webView.getSettings().getAllowFileAccess();
}
 

public void onWebViewReceivedError(WebView view, int errorCode, CharSequence description, String failingUrl) {
    Log.i("0000", "errorCode:   " + errorCode);
    switch (errorCode) {
        case WebViewClient.ERROR_CONNECT:
        case WebViewClient.ERROR_TIMEOUT:
        case WebViewClient.ERROR_HOST_LOOKUP:
        case WebViewClient.ERROR_BAD_URL:
            showErrorHint(failingUrl);
            break;
    }
}
 

private void initWebView() {
    mWebView.setWebViewClient(new WebViewClient());
    mWebView.setWebChromeClient(new WebChromeClient());
    WebSettings settings = mWebView.getSettings();
    settings.setSavePassword(true);
    settings.setSaveFormData(true);
    settings.setJavaScriptEnabled(true);
    settings.setSupportZoom(false);
    settings.setCacheMode(WebSettings.LOAD_NO_CACHE);
    settings.setDomStorageEnabled(true);
    settings.setSupportMultipleWindows(false);


    mWebView.loadUrl("http://developer.android.com");
}
 

private View makeWebView(int index) {
  final String url = getResources().getStringArray(R.array.server_websites)[index];

  final WebView webView = new WebView(getContext());
  webView.getSettings().setJavaScriptEnabled(true);
  webView.setWebViewClient(new WebViewClient());  // Makes navigation stay in this webview.
  webView.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
  webView.loadUrl(url);

  return webView;
}
 

public void onWebViewReceivedError(WebView view, int errorCode, CharSequence description, String failingUrl) {
    Log.i("0000", "errorCode:   " + errorCode);
    switch (errorCode) {
        case WebViewClient.ERROR_CONNECT:
        case WebViewClient.ERROR_TIMEOUT:
        case WebViewClient.ERROR_HOST_LOOKUP:
        case WebViewClient.ERROR_BAD_URL:
            showErrorHint(failingUrl);
            break;
    }
}
 

/**
 * Report an error to the host application. These errors are unrecoverable (i.e. the main resource is unavailable).
 * The errorCode parameter corresponds to one of the ERROR_* constants.
 *
 * @param errorCode   The error code corresponding to an ERROR_* value.
 * @param description A String describing the error.
 * @param failingUrl  The url that failed to load.
 */
public void onReceivedError(final int errorCode, final String description, final String failingUrl) {
    final CordovaActivity me = this;

    // If errorUrl specified, then load it
    final String errorUrl = preferences.getString("errorUrl", null);
    if ((errorUrl != null) && (!failingUrl.equals(errorUrl)) && (appView != null)) {
        // Load URL on UI thread
        me.runOnUiThread(new Runnable() {
            public void run() {
                me.appView.showWebPage(errorUrl, false, true, null);
            }
        });
    }
    // If not, then display error dialog
    else {
        final boolean exit = !(errorCode == WebViewClient.ERROR_HOST_LOOKUP);
        me.runOnUiThread(new Runnable() {
            public void run() {
                if (exit) {
                    me.appView.getView().setVisibility(View.GONE);
                    me.displayError("Application Error", description + " (" + failingUrl + ")", "OK", exit);
                }
            }
        });
    }
}
 

@Override
public void setWebViewClient(WebViewClient client) {
    if (mFastClient != null) {
        mFastClient.updateProxyClient(client);
    } else {
        super.setWebViewClient(client);
    }
    mUserWebViewClient = client;
}
 

/**
 * Closes the dialog
 */
public void closeDialog() {
    final WebView childView = this.inAppWebView;
    // The JS protects against multiple calls, so this should happen only when
    // closeDialog() is called by other native code.
    if (childView == null) {
        return;
    }
    this.cordova.getActivity().runOnUiThread(new Runnable() {
        @Override
        public void run() {
            childView.setWebViewClient(new WebViewClient() {
                // NB: wait for about:blank before dismissing
                public void onPageFinished(WebView view, String url) {
            if (dialog != null) {
                dialog.dismiss();
            }
        }
    });
            // NB: From SDK 19: "If you call methods on WebView from any thread 
            // other than your app's UI thread, it can cause unexpected results."
            // http://developer.android.com/guide/webapps/migrating.html#Threads
            childView.loadUrl("about:blank");
        }
    });

    try {
        JSONObject obj = new JSONObject();
        obj.put("type", EXIT_EVENT);
        sendUpdate(obj, false);
    } catch (JSONException ex) {
        Log.d(LOG_TAG, "Should never happen");
    }
}
 

@SuppressLint("SetJavaScriptEnabled")
@Override
protected View getLayoutView() {
    webView = new WebView(getContext());
    webView.getSettings().setDefaultTextEncodingName("UTF-8");
    webView.getSettings().setJavaScriptEnabled(true);
    webView.setWebViewClient(new WebViewClient() {
        @Override
        public void onPageFinished(WebView view, String url) {
            loadData();
        }
    });
    return webView;
}
 

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

    WebView v_scroll = (WebView)findViewById(R.id.v_scroll);
    v_scroll.loadUrl("http://www.github.com/w446108264");
    v_scroll.setWebViewClient(new WebViewClient() {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            view.loadUrl(url);
            return true;
        }
    });
}