Android Open Source - playnomics-android Play Web View

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License

The source code is released under:

Apache License

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Java Source Code

package com.playnomics.android.messaging.ui;
//from   w  w w  .ja v  a2s  .  c o  m
import android.content.Context;
import android.graphics.Color;
import android.webkit.ConsoleMessage;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import com.playnomics.android.util.Logger;
import com.playnomics.android.util.Util;
import com.playnomics.android.util.Logger.LogLevel;

public class PlayWebView extends WebView {

  public interface IPlayWebViewHandler {
    void onLoadFailure(int errorCode);

    void onLoadComplete();

    void onUrlLoading(String url);
  }

  public PlayWebView(Context context, String htmlContent,
      final IPlayWebViewHandler handler, final Logger logger)
      throws Exception {
    super(context);
    // transparent
    setBackgroundColor(Color.TRANSPARENT);

    setHorizontalScrollBarEnabled(false);
    setHorizontalScrollbarOverlay(false);
    setVerticalScrollBarEnabled(false);
    setVerticalScrollbarOverlay(false);

    WebSettings settings = getSettings();
    settings.setSupportZoom(false);
    settings.setJavaScriptEnabled(true);

    setWebViewClient(new WebViewClient() {
      @Override
      public void onPageFinished(WebView view, String url) {
        handler.onLoadComplete();
      }

      @Override
      public boolean shouldOverrideUrlLoading(WebView view, String url) {
        handler.onUrlLoading(url);
        //always prevent the webview from redirecting another pages
        return true;
      }

      @Override
      public void onReceivedError(WebView view, int errorCode,
          String description, String failingUrl) {
        handler.onLoadFailure(errorCode);
      }
    });

    setWebChromeClient(new WebChromeClient() {
      @Override
      public boolean onConsoleMessage(ConsoleMessage consoleMessage) {
        String message = String.format("%s -- line  %d",
            consoleMessage.message(), consoleMessage.lineNumber());
        switch (consoleMessage.messageLevel()) {
        case ERROR:
          logErrorMessage(message);
          break;
        default:
          logInfoMessage(message);
          break;
        }
        return true;
      }

      private void logInfoMessage(String message) {
        logger.log(LogLevel.DEBUG, message);
      }

      private void logErrorMessage(String message) {
        logger.log(LogLevel.WARNING, message);
      }
    });

    // load this data in the background
    loadDataWithBaseURL(null, htmlContent, Util.CONTENT_TYPE_HTML, Util.UT8_ENCODING, null);
  }
}

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