Android Open Source - AndroidWebViewFixer Android Web View Fixer

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License

The source code is released under:

MIT License

Java Source Code

package co.hanul.studio.AndroidWebViewFixer;
/*  w  w w  .  j a  va  2 s  .com*/
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.view.KeyEvent;
import android.webkit.CookieSyncManager;
import android.webkit.ValueCallback;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings.PluginState;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ProgressBar;

public class AndroidWebViewFixer {

  private static ValueCallback<Uri> uploadMessage;

  private final static int FILE_CHOOSER_RESULT_CODE = 1;

  public static void onActivityResult(int requestCode, int resultCode, Intent intent) {
    if (requestCode == FILE_CHOOSER_RESULT_CODE && uploadMessage != null) {
      Uri result = intent == null || resultCode != Activity.RESULT_OK ? null : intent.getData();
      uploadMessage.onReceiveValue(result);
      uploadMessage = null;
    }
  }

  public static boolean onKeyDown(WebView webView, int keyCode, KeyEvent event) {
    if ((keyCode == KeyEvent.KEYCODE_BACK) && webView.canGoBack()) {
      webView.goBack();
      return true;
    }
    return false;
  }

  @SuppressLint({ "NewApi", "SetJavaScriptEnabled", "SdCardPath" })
  public static void fix(final Activity activity, WebView webView, final ProgressBar progressBar, final String host, final String facebookRedirectURL) {

    // settings
    webView.getSettings().setJavaScriptEnabled(true);
    webView.getSettings().setDomStorageEnabled(true);

    webView.getSettings().setDatabaseEnabled(true);
    webView.getSettings().setDatabasePath("/data/data/" + webView.getContext().getPackageName() + "/databases/");

    webView.getSettings().setPluginsEnabled(true);
    webView.getSettings().setPluginState(PluginState.ON);

    // clients
    webView.setWebViewClient(new WebViewClient() {

      @Override
      public boolean shouldOverrideUrlLoading(WebView view, String url) {

        if (url.startsWith("https://m.facebook.com/v2.0/dialog/oauth?redirect")) {
          view.loadUrl(facebookRedirectURL == null ? host : facebookRedirectURL);
        } else if (!url.startsWith("https://m.facebook.com/") && !url.startsWith(host) && (url.startsWith("http:") || url.startsWith("https:") || url.startsWith("mailto:") || url.startsWith("tel:") || url.startsWith("sms:"))) {
          Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
          activity.startActivity(browserIntent);
          return true;
        } else {
          view.loadUrl(url);
        }

        return false;
      }

      @Override
      public void onPageFinished(WebView view, String url) {
        super.onPageFinished(view, url);

        CookieSyncManager.getInstance().sync();
      }
    });

    webView.setWebChromeClient(new WebChromeClient() {

      @Override
      public void onProgressChanged(WebView view, int progress) {
        if (progressBar != null) {
          if (progress < 100) {
            progressBar.setVisibility(ProgressBar.VISIBLE);
          } else if (progress == 100) {
            progressBar.setVisibility(ProgressBar.GONE);
          }
          progressBar.setProgress(progress);
        }
      }

      // for Android < 3.0
      public void openFileChooser(ValueCallback<Uri> uploadMsg) {
        uploadMessage = uploadMsg;
        Intent i = new Intent(Intent.ACTION_GET_CONTENT);
        i.addCategory(Intent.CATEGORY_OPENABLE);
        i.setType("*/*");
        activity.startActivityForResult(Intent.createChooser(i, "Choose a File"), FILE_CHOOSER_RESULT_CODE);
      }

      // for Android 3.0+
      @SuppressWarnings("unused")
      public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType) {
        openFileChooser(uploadMsg);
      }

      // for Android 4.1+
      @SuppressWarnings("unused")
      public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture) {
        openFileChooser(uploadMsg);
      }
    });
  }

  public static void fix(final Activity activity, WebView webView, final String host, final String facebookRedirectURL) {
    fix(activity, webView, null, host, facebookRedirectURL);
  }

  public static void fix(final Activity activity, WebView webView, final ProgressBar progressBar, final String host) {
    fix(activity, webView, progressBar, host, null);
  }

  public static void fix(final Activity activity, WebView webView, final String host) {
    fix(activity, webView, host, null);
  }
}

Java Source Code List

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