webview

问题 There is a way to call javascript function from webview and then let it call a method in Java to return the result. Like described in How to get return value from javascript in webview of android? Now, the javascript function can fail (say due to a typo in javascript file). In that case, I would like to carry out some failover code in Java. What is a good way to do that? My current code looks like this: In Java: private boolean eventHandled = false; @Override public void onEvent() {

问题 I use this guide : Camera and video control with HTML5 This example work excellent on Google Chrome but i can not make it work on Android webview. I also use permission : android.permission.CAMERA. 回答1: Did you remember to add this to your onCreate WebSettings webSettings = myWebView.getSettings(); webSettings.setJavaScriptEnabled(true); webSettings.setAllowFileAccessFromFileURLs(true); webSettings.setAllowUniversalAccessFromFileURLs(true); You are probably missing the last two lines in your

问题 I develop Fragment WebView Application. I use upload code in Fragment WebView. When I click <input type="file"> it is active nothing. logcat show only this warning 05-22 15:59:39.749 31611-31611/kr.nubiz.comn W/cr_Ime: updateState: type [0->0], flags [0], show [false], How can I solve this problem? WebView - Fragment private void initLayout() { handler = new Handler(); webView = (android.webkit.WebView) rootView.findViewById(R.id.webview); webView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);

问题 I'm trying to add a message in a web view, the message should come out when you do not have an Internet connection. I have tried many ways but I always make a mistake that I do not understand. I create a folder called "assets" and add a file "error.html" following a YouTube tutorial but it gives me errors I will write my codes here without what I saw on YouTube. Thank you MainActivity.java import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.support

问题 I'm trying to add a message in a web view, the message should come out when you do not have an Internet connection. I have tried many ways but I always make a mistake that I do not understand. I create a folder called "assets" and add a file "error.html" following a YouTube tutorial but it gives me errors I will write my codes here without what I saw on YouTube. Thank you MainActivity.java import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.support

问题 I am using cocoa webview for rich text editing in my application. Just confused with innerHtml and outerHtml method avaiable in webkit. Can anyone explain what is the difference between [(DOMHTMLElement *)[[[webView mainFrame] DOMDocument] documentElement] outerHTML]; AND [(DOMHTMLElement *)[[[webView mainFrame] DOMDocument] documentElement] outerText]; 回答1: innerHTML is a property of a DOM element that represents the HTML inside the element, i.e. between the opening and closing tags. It has

问题 We have an application that depends heavily on web views we noticed after last week that if an android 9 user spent some time loading webviews about 10 to 30 after that webviews just show blank page and loading progress gets stock at 10% Also admobe native ads stop showing the only thing changed was chrome update to 77.0.3865.73 we tested on android 9 that has not updated to that version everything works perfectly ( chrome 74.0.3729.136) when debugging the only message I get is : E/chromium:

问题 We have an application that depends heavily on web views we noticed after last week that if an android 9 user spent some time loading webviews about 10 to 30 after that webviews just show blank page and loading progress gets stock at 10% Also admobe native ads stop showing the only thing changed was chrome update to 77.0.3865.73 we tested on android 9 that has not updated to that version everything works perfectly ( chrome 74.0.3729.136) when debugging the only message I get is : E/chromium:

问题 I have an Android application that uses WebView and load a page. This application works on Android devices running API 16 or above . Android WebView Code: String URL = "https://sandbox.napas.com.vn/gateway/message"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_web_view); webview = (WebView) findViewById(R.id.webview); webview.getSettings().setJavaScriptEnabled(true); webview.getSettings().setAllowFileAccess

问题 I have an Android application that uses WebView and load a page. This application works on Android devices running API 16 or above . Android WebView Code: String URL = "https://sandbox.napas.com.vn/gateway/message"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_web_view); webview = (WebView) findViewById(R.id.webview); webview.getSettings().setJavaScriptEnabled(true); webview.getSettings().setAllowFileAccess