<uses-permission android:name="android.permission.INTERNET" />

<me.xiaobailong24.library.View.AdvancedWebView
    android:id="@+id/webview"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

public class MyActivity extends Activity implements AdvancedWebView.Listener {

    private AdvancedWebView mWebView;

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

        mWebView = (AdvancedWebView) findViewById(R.id.webview);
        mWebView.setListener(this, this);
        mWebView.loadUrl("http://www.example.org/");

        // ...
    }

    @SuppressLint("NewApi")
    @Override
    protected void onResume() {
        super.onResume();
        mWebView.onResume();
        // ...
    }

    @SuppressLint("NewApi")
    @Override
    protected void onPause() {
        mWebView.onPause();
        // ...
        super.onPause();
    }

    @Override
    protected void onDestroy() {
        mWebView.onDestroy();
        // ...
        super.onDestroy();
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
        super.onActivityResult(requestCode, resultCode, intent);
        mWebView.onActivityResult(requestCode, resultCode, intent);
        // ...
    }

    @Override
    public void onBackPressed() {
        if (!mWebView.onBackPressed()) { return; }
        // ...
        super.onBackPressed();
    }

    @Override
    public void onPageStarted(String url, Bitmap favicon) { }

    @Override
    public void onPageFinished(String url) { }

    @Override
    public void onPageError(int errorCode, String description, String failingUrl) { }

    @Override
    public void onDownloadRequested(String url, String suggestedFilename, String mimeType, long contentLength, String contentDisposition, String userAgent) { }

    @Override
    public void onExternalPageRequest(String url) { }

}

Note: If you're using the Fragment class from the support library (android.support.v4.app.Fragment), please refer to the next section (see below) instead of this one.

public class MyFragment extends Fragment implements AdvancedWebView.Listener {

    private AdvancedWebView mWebView;

    public MyFragment() { }

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

        mWebView = (AdvancedWebView) rootView.findViewById(R.id.webview);
        mWebView.setListener(this, this);
        mWebView.loadUrl("http://www.example.org/");

        // ...

        return rootView;
    }

    @SuppressLint("NewApi")
    @Override
    public void onResume() {
        super.onResume();
        mWebView.onResume();
        // ...
    }

    @SuppressLint("NewApi")
    @Override
    public void onPause() {
        mWebView.onPause();
        // ...
        super.onPause();
    }

    @Override
    public void onDestroy() {
        mWebView.onDestroy();
        // ...
        super.onDestroy();
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
        super.onActivityResult(requestCode, resultCode, intent);
        mWebView.onActivityResult(requestCode, resultCode, intent);
        // ...
    }

    @Override
    public void onPageStarted(String url, Bitmap favicon) { }

    @Override
    public void onPageFinished(String url) { }

    @Override
    public void onPageError(int errorCode, String description, String failingUrl) { }

    @Override
    public void onDownloadRequested(String url, String suggestedFilename, String mimeType, long contentLength, String contentDisposition, String userAgent) { }

    @Override
    public void onExternalPageRequest(String url) { }

}

• Use the code for normal Fragment usage as shown above

• Change

  mWebView.setListener(this, this);

  to

  mWebView.setListener(getActivity(), this);

• Add the following code to the parent FragmentActivity in order to forward the results from the FragmentActivity to the appropriate Fragment instance

  public class MyActivity extends FragmentActivity implements AdvancedWebView.Listener {
  
   @Override
   public void onActivityResult(int requestCode, int resultCode, Intent intent) {
       super.onActivityResult(requestCode, resultCode, intent);
       if (mFragment != null) {
           mFragment.onActivityResult(requestCode, resultCode, intent);
       }
   }
  
  }

-keep class * extends android.webkit.WebChromeClient { *; }
-dontwarn im.delight.android.webview.**

• Optimized for best performance and security

• Features are patched across Android versions

• File uploads are handled automatically (check availability with AdvancedWebView.isFileUploadAvailable())

  • Multiple file uploads via single input fields (multiple attribute in HTML) are supported on Android 5.0+. The application that is used to pick the files (i.e. usually a gallery or file manager app) must provide controls for selecting multiple files, which some apps don't.

• JavaScript and WebStorage are enabled by default

• Includes localizations for the 25 most widely spoken languages

• Receive callbacks when pages start/finish loading or have errors

  @Override
  public void onPageStarted(String url, Bitmap favicon) {
      // a new page started loading
  }
  
  @Override
  public void onPageFinished(String url) {
      // the new page finished loading
  }
  
  @Override
  public void onPageError(int errorCode, String description, String failingUrl) {
      // the new page failed to load
  }

• Downloads are handled automatically and can be listened to

  @Override
  public void onDownloadRequested(String url, String suggestedFilename, String mimeType, long contentLength, String contentDisposition, String userAgent) {
      // some file is available for download
      // either handle the download yourself or use the code below
  
      if (AdvancedWebView.handleDownload(this, url, suggestedFilename)) {
          // download successfully handled
      }
      else {
          // download couldn't be handled because user has disabled download manager app on the device
          // TODO show some notice to the user
      }
  }

• Enable geolocation support (needs <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />)

  mWebView.setGeolocationEnabled(true);

• Add custom HTTP headers in addition to the ones sent by the web browser implementation

  mWebView.addHttpHeader("X-Requested-With", "My wonderful app");

• Define a custom set of permitted hostnames and receive callbacks for all other hostnames

  mWebView.addPermittedHostname("example.org");

  and

  @Override
  public void onExternalPageRequest(String url) {
      // the user tried to open a page from a non-permitted hostname
  }

• Prevent caching of HTML pages

  boolean preventCaching = true;
  mWebView.loadUrl("http://www.example.org/", preventCaching);

• Check for alternative browsers installed on the device

  if (AdvancedWebView.Browsers.hasAlternative(this)) {
      AdvancedWebView.Browsers.openUrl(this, "http://www.example.org/");
  }

• Disable cookies

  // disable third-party cookies only
  mWebView.setThirdPartyCookiesEnabled(false);
  // or disable cookies in general
  mWebView.setCookiesEnabled(false);

• Disallow mixed content (HTTP content being loaded inside HTTPS sites)

  mWebView.setMixedContentAllowed(false);

• Switch between mobile and desktop mode

  mWebView.setDesktopMode(true);
  // or
  // mWebView.setDesktopMode(false);

• Load HTML source text and display as page

  myWebView.loadHtml("<html>...</html>");
  
  // or
  
  final String myBaseUrl = "http://www.example.com/";
  myWebView.loadHtml("<html>...</html>", myBaseUrl);

• Enable multi-window support

  myWebView.getSettings().setSupportMultipleWindows(true);
  // myWebView.getSettings().setJavaScriptEnabled(true);
  // myWebView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
  
  myWebView.setWebChromeClient(new WebChromeClient() {
  
      @Override
      public boolean onCreateWindow(WebView view, boolean isDialog, boolean isUserGesture, Message resultMsg) {
          AdvancedWebView newWebView = new AdvancedWebView(MyNewActivity.this);
          // myParentLayout.addView(newWebView, LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
          WebView.WebViewTransport transport = (WebView.WebViewTransport) resultMsg.obj;
          transport.setWebView(newWebView);
          resultMsg.sendToTarget();
  
          return true;
      }
  
  }