I searched for two days for a solution - including all stackover posts - and couldn't solve it ..
My web view can open sites like Google and Facebook but can't open the site in the code !
here is my full code
webView = findViewById(R.id.wv_pray_time);
webView.setWebChromeClient(new WebChromeClient());
webView.loadUrl("http://ramadanco.noursal.com/");
webView.setBackgroundColor(Color.TRANSPARENT);
WebSettings webSettings = webView.getSettings();
webSettings.setJavaScriptEnabled(true);
webSettings.setBuiltInZoomControls(true);
webSettings.setDomStorageEnabled(true);
webSettings.setDisplayZoomControls(false);
// No net error
webView.setWebViewClient(new WebViewClient() {
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
webView.loadUrl("file:///android_asset/error.html");
}
});
// Pull to refresh
mySwipeRefreshLayout = this.findViewById(R.id.swipeContainer);
mySwipeRefreshLayout.setOnRefreshListener(
new SwipeRefreshLayout.OnRefreshListener() {
#Override
public void onRefresh() {
webView.reload();
if (mySwipeRefreshLayout.isRefreshing()) {
mySwipeRefreshLayout.setRefreshing(false);
}
}
}
);
}
#Override
public void onBackPressed() {
if (webView.canGoBack()) {
webView.goBack();
} else {
super.onBackPressed();
}
}
I have an app that open a webview and I found that I can't open some sites in recent versions of android.
Before I got the error Page not found but I was searching and I found this link where it say:
android:usesCleartextTraffic
Indicates whether the app intends to use cleartext network traffic, such as cleartext HTTP. The default value for apps that target API level 27 or lower is "true". Apps that target API level 28 or higher default to "false".
...
So I add android:usesCleartextTraffic="true" in AndroidManifest.xml and now the webview is white and doesn't show nothing
my webview activity:
public class WebviewUrl extends AppCompatActivity {
private WebView webView;
#Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getSupportActionBar().hide();
setContentView(R.layout.activity_webview_url);
openURL();
}
private void openURL() {
Intent getUrl = getIntent();
String url = getUrl.getStringExtra("url");
webView = findViewById(R.id.webview);
webView.setWebViewClient(new WebViewClient());
webView.loadUrl(url);
webView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
WebSettings webSettings = webView.getSettings();
webSettings.setDomStorageEnabled(true);
webSettings.setJavaScriptEnabled(true);
webSettings.setLoadsImagesAutomatically(true);
webView.getSettings().setSupportMultipleWindows(true);
webView.getSettings().setRenderPriority(WebSettings.RenderPriority.HIGH);
webView.setWebViewClient(new WebViewClient() {
#Override public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
webView.loadUrl("file:///android_asset/error.html");
} });
webView.addJavascriptInterface(new WebAppInterface(this), "Android");
}
#Override
public void onBackPressed() {
if (webView.canGoBack()) {
webView.goBack();
}
else {
super.onBackPressed();
}
}
#Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
webView.saveState(outState);
}
#Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) && webView.canGoBack()) {
webView.goBack();
return true;
}
else
{
finish();
}
return super.onKeyDown(keyCode, event);
}
}
Someone can help?
UPDATE: Now reappeared that the page was not found
I solved it. In my AndroidManifest.xml I had this 2 lines 'together' and I removed android:networkSecurityConfig="#xml/network_security_config":
<application
...
android:networkSecurityConfig="#xml/network_security_config" <!--I removed that one -->
android:usesCleartextTraffic="true"
>
I am loading a website in webview,we have used Ajax in website and its working fine on web browser and mobile browser also but in android webview ajax is not working no error is there in the console.Here is my code:-
public class Activity_WebView extends AppCompatActivity implements
ConnectivityReceiver.ConnectivityReceiverListener {
WebView webview;
ProgressDialog pro_dialog;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_web_view);
webview = (WebView) findViewById(R.id.webview);
webview.getSettings().setPluginState(WebSettings.PluginState.ON);
webview.setWebViewClient(new loadinsame());
pro_dialog = new ProgressDialog(Activity_WebView.this);
webview.getSettings().setJavaScriptEnabled(true);
webview.getSettings().setDomStorageEnabled(true);
webview.getSettings().setAllowUniversalAccessFromFileURLs(true);
boolean connection = checkConnection();
if (connection) {
webview.loadUrl("website url");
} else {
Toast.makeText(Activity_WebView.this, "Sorry! Not connected to
internet", Toast.LENGTH_SHORT).show();
dialog_Show(webview, "Please check you Inernet connect and Reload.",
false);
}
}
#Override
public void onNetworkConnectionChanged(boolean isConnected) {
if (!isConnected) {
Toast.makeText(Activity_WebView.this, "Sorry! Not connected to
internet", Toast.LENGTH_SHORT).show();
}
}
private class loadinsame extends WebViewClient {
#Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
pro_dialog.setCancelable(false);
pro_dialog.setMessage("Loading...");
pro_dialog.show();
}
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
#Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
pro_dialog.dismiss();
}
#Override
public void onReceivedError(final WebView webview, WebResourceRequest
request, WebResourceError error) {
super.onReceivedError(webview, request, error);
pro_dialog.dismiss();
// dialog_Show(webview, "Error Occur, Do you want to Reload?", true);
}
}
#Override
public void onBackPressed() {
if (webview.canGoBack()) {
webview.goBack();
} else {
super.onBackPressed();
}
}
private boolean checkConnection() {
boolean isConnected = ConnectivityReceiver.isConnected();
return isConnected;
}
#Override
protected void onResume() {
super.onResume();
MyApplication.getInstance().setConnectivityListener(this);
}
}
when i inspect the website in chrome using emulator, find that my ajax remain pending and then cancel after sometime.
Thanks in advance.
Just promoting #Jeff Thomas comment, by setting
mWebView.getSettings().setDomStorageEnabled(true);
worked!!
When i enabled the java script, its working.
WebView myWebView = (WebView) findViewById(R.id.webview);
myWebView.loadUrl("");
myWebView.getSettings().setDomStorageEnabled(true);
myWebView.getSettings().setJavaScriptEnabled(true);
myWebView.setWebViewClient(new WebClient());
Solutions
If you want to load web url in WebView so you need follow my code It's code working fine and In web any type of script language used in web page.
public void webviewCallBack(String coverUrl) {
WebView WebView webView = (WebView) findViewById(R.id.web_view);
webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
webView.getSettings().setPluginState(WebSettings.PluginState.ON);
webView.getSettings().setAppCacheEnabled(true);
webView.getSettings().setDatabaseEnabled(true);
webView.getSettings().setDomStorageEnabled(true);
webView.getSettings().setBuiltInZoomControls(true);
webView.getSettings().setJavaScriptEnabled(true);
webView.clearView();
webView.measure(100, 100);
webView.getSettings().setUseWideViewPort(true);
webView.getSettings().setLoadWithOverviewMode(true);
webView.setWebViewClient(new WebViewClient() {
// For api level bellow 24
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
Log.d("weburl__", url);
if (url.startsWith("http") || url.startsWith("https")) {
// Return false means, web view will handle the link
return false;
} else if (url.startsWith("tel:")) {
// Handle the tel: link
handleTelLink(url);
// Return true means, leave the current web view and handle the url itself
return true;
}
return false;
}
// From api level 24
#RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
#Override
public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
// Get the tel: url
String url = request.getUrl().toString();
Log.d("weburl_____", url);
if (url.startsWith("http") || url.startsWith("https")) {
// Return false means, web view will handle the link
return false;
} else if (url.startsWith("tel:")) {
// Handle the tel: link
handleTelLink(url);
// Return true means, leave the current web view and handle the url itself
return true;
}
return false;
}
});
// Load the url into web view
webView.loadUrl(coverUrl);
hoadler();
}
public void hoadler() {
Runnable task = new Runnable() {
public void run() {
material_design_progressbar.setVisibility(View.VISIBLE);
}
};
worker.schedule(task, 5, TimeUnit.SECONDS);
}
I hope this code is helpful for you!
Here is how to edit the AndroidManifes.xml:
Find AndroidManifest.xml file in application folder at:
android/app/src/main/AndroidManifest.xml
Locate the application subelement.
Add the following tag:
android:usesCleartextTraffic=”true”
The application subelement should now look like:
<application
android:name=”io.flutter.app.Test”
android:label=”bell_ui”
android:icon=”#`enter code
here`mapmap/ic_launcher”
android:usesCleartextTraffic=”true”>
Save the AndroidManifest.xml file.
I make small app which involve aspx pages , I try open it throw my webview I got blank screen .
I try open it with chrome browser it give me certificate needed
my code is very simple I add some documentation to explain what is going on
#SuppressLint("SetJavaScriptEnabled")
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_web);
Bundle bundle = getIntent().getExtras();
if(bundle != null){
urlSite = bundle.getString("passed_url");
}
_toolbar = (Toolbar)findViewById(R.id.toolbar);
setSupportActionBar(_toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
_toolbar.setNavigationOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
onBackPressed();
}
});
webView = (WebView) findViewById(R.id.webView);
WebSettings webSettings = webView.getSettings();
// enable javascript
webSettings.setJavaScriptEnabled(true);
webSettings.setDomStorageEnabled(true);
webSettings.setJavaScriptCanOpenWindowsAutomatically(true);
webSettings.setUseWideViewPort(true);
webSettings.setLoadWithOverviewMode(true);
webSettings.setPluginState(WebSettings.PluginState.ON_DEMAND);
webView.setWebChromeClient(new WebChromeClient());
webView.setWebViewClient(new WebViewClient() {
#Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
new ParseURl().execute(new String[]{urlSite});
}
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
});
if(urlSite != null){
webView.clearCache(true);
webView.loadUrl(urlSite);
// webView.loadUrl("file:///android_asset/af.html");
}
}
After some research I found the answer, just override onReceivedSslError method and skip it.
#Override
public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
handler.proceed(); // Ignore SSL certificate errors
}
I want to load the URL in WebView
I have used the following Code:
webView = (WebView) findViewById(R.id.webview1);
webView.setWebViewClient(new HostsWebClient());
webView.getSettings().setPluginState(PluginState.ON);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(false);
webView.getSettings().setPluginsEnabled(true);
webView.getSettings().setSupportMultipleWindows(false);
webView.getSettings().setSupportZoom(false);
webView.setVerticalScrollBarEnabled(false);
webView.setHorizontalScrollBarEnabled(false);
webView.loadUrl(URL);
But when I execute it, I'm not able to load the url. I am getting web page not available.
Could anyone help?
Did you added the internet permission in your manifest file ? if not add the following line.
<uses-permission android:name="android.permission.INTERNET"/>
hope this will help you.
EDIT
Use the below lines.
public class WebViewDemo extends Activity {
private WebView webView;
Activity activity ;
private ProgressDialog progDailog;
#SuppressLint("NewApi")
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
activity = this;
progDailog = ProgressDialog.show(activity, "Loading","Please wait...", true);
progDailog.setCancelable(false);
webView = (WebView) findViewById(R.id.webview_compontent);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setLoadWithOverviewMode(true);
webView.getSettings().setUseWideViewPort(true);
webView.setWebViewClient(new WebViewClient(){
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
progDailog.show();
view.loadUrl(url);
return true;
}
#Override
public void onPageFinished(WebView view, final String url) {
progDailog.dismiss();
}
});
webView.loadUrl("http://www.teluguoneradio.com/rssHostDescr.php?hostId=147");
}
}
maybe SSL
#Override
public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
// ignore ssl error
if (handler != null){
handler.proceed();
} else {
super.onReceivedSslError(view, null, error);
}
}
Add Permission Internet permission in manifest.
as <uses-permission android:name="android.permission.INTERNET"/>
This code it working
public class WebActivity extends Activity {
WebView wv;
String url="http://www.teluguoneradio.com/rssHostDescr.php?hostId=147";
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_web);
wv=(WebView)findViewById(R.id.webUrl_WEB);
WebSettings webSettings = wv.getSettings();
wv.getSettings().setLoadWithOverviewMode(true);
wv.getSettings().setUseWideViewPort(true);
wv.getSettings().setBuiltInZoomControls(true);
wv.getSettings().setPluginState(PluginState.ON);
wv.setWebViewClient(new myWebClient());
wv.loadUrl(url);
}
public class myWebClient extends WebViewClient {
#Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
// TODO Auto-generated method stub
super.onPageStarted(view, url, favicon);
}
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
// TODO Auto-generated method stub
view.loadUrl(url);
return true;
}
}
Note : Make sure internet permission is given.
In android 9.0,
Webview or Imageloader can not load url or image because android 9 have network security issue which need to be enable by manifest file for all sub domain. so either you can add security config file.
Add #xml/network_security_config into your resources:
<network-security-config>
<domain-config cleartextTrafficPermitted="true">
<domain includeSubdomains="true">www.google.com</domain>
</domain-config>
</network-security-config>
Add this security config to your Manifest like this:
<application
android:networkSecurityConfig="#xml/network_security_config"
...>
</application>
if you want to allow all sub domain
<application
android:usesCleartextTraffic="true"
...>
</application>
Note: To solve the problem, don't use both of point 2 (android:networkSecurityConfig="#xml/network_security_config" and android:usesCleartextTraffic="true") choose one of them
For some web pages the key is to enable DOM storage:
webview.getSettings().setDomStorageEnabled(true);
First, check if you have internet permission in Manifest file.
<uses-permission android:name="android.permission.INTERNET" />
You can then add following code in onCreate() or initialize() method-
final WebView webview = (WebView) rootView.findViewById(R.id.webview);
webview.setWebViewClient(new MyWebViewClient());
webview.getSettings().setBuiltInZoomControls(false);
webview.getSettings().setSupportZoom(false);
webview.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
webview.getSettings().setAllowFileAccess(true);
webview.getSettings().setDomStorageEnabled(true);
webview.loadUrl(URL);
And write a class to handle callbacks of webview -
public class MyWebViewClient extends WebViewClient {
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
//your handling...
return super.shouldOverrideUrlLoading(view, url);
}
}
in same class, you can also use other important callbacks such as -
- onPageStarted()
- onPageFinished()
- onReceivedSslError()
Also, you can add "SwipeRefreshLayout" to enable swipe refresh and refresh the webview.
<android.support.v4.widget.SwipeRefreshLayout
android:id="#+id/swipeRefreshLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<WebView
android:id="#+id/webview"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</android.support.v4.widget.SwipeRefreshLayout>
And refresh the webview when user swipes screen:
SwipeRefreshLayout mSwipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipeRefreshLayout);
mSwipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
#Override
public void onRefresh() {
new Handler().postDelayed(new Runnable() {
#Override
public void run() {
mSwipeRefreshLayout.setRefreshing(false);
webview.reload();
}
}, 3000);
}
});
Use the following things on your webview
webview.setWebChromeClient(new WebChromeClient());
then implement the required methods for WebChromeClient class.
Just as an alternative solution:
For me webView.getSettings().setUserAgentString("Android WebView") did the trick.
I already had implemented INTERNET permission and WebViewClient as well as WebChromeClient
The simplest solution is to go to your XML layout containing your webview. Change your android:layout_width and android:layout_height from "wrap_content" to "match_parent".
<WebView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/webView"/>
In my Case, Adding the below functions to WebViewClient fixed the error.
the functions are:onReceivedSslError and Depricated and new api versions of shouldOverrideUrlLoading
webView.setWebViewClient(new WebViewClient() {
#SuppressWarnings("deprecation")
#Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
Log.i(TAG, "loading: deprecation");
return true;
//return super.shouldOverrideUrlLoading(view, url);
}
#Override
#TargetApi(Build.VERSION_CODES.N)
public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
view.loadUrl(request.getUrl().toString());
Log.i(TAG, "loading: build.VERSION_CODES.N");
return true;
//return super.shouldOverrideUrlLoading(view, request);
}
#Override
public void onPageStarted(
WebView view, String url, Bitmap favicon) {
Log.i(TAG, "page started:"+url);
super.onPageStarted(view, url, favicon);
}
#Override
public void onPageFinished(WebView view, final String url) {
Log.i(TAG, "page finished:"+url);
}
#Override
public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError er) {
handler.proceed();
}
});
Use this it should help.
var currentUrl = "google.com"
var partOfUrl = currentUrl.substring(0, currentUrl.length-2)
webView.setWebViewClient(object: WebViewClient() {
override fun onLoadResource(WebView view, String url) {
//call loadUrl() method here
// also check if url contains partOfUrl, if not load it differently.
if(url.contains(partOfUrl, true)) {
//it should work if you reach inside this if scope.
} else if(!(currentUrl.startWith("w", true))) {
webView.loadurl("www.$currentUrl")
} else if(!(currentUrl.startWith("h", true))) {
webView.loadurl("https://$currentUrl")
} else {
//...
}
}
override fun onReceivedSslError(view: WebView?, handler: SslErrorHandler?, error: SslError?) {
// you can call again loadUrl from here too if there is any error.
}
// You should also override other override method for error such as
// onReceiveError to see how all these methods are called one after another and how
// they behave while debugging with break point.
}