Android Open Source - Common-Library Web View Dialog

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Back to project page Common-Library.

License

The source code is released under:

Apache License

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Java Source Code

package com.morgan.library.widget;
/*from ww w.j ava 2  s .  c  om*/
import android.annotation.SuppressLint;
import android.app.Dialog;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.net.http.SslError;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.Window;
import android.webkit.SslErrorHandler;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.FrameLayout;
import android.widget.RelativeLayout;

import com.morgan.library.R;

/**
 * ??WebView?Dialog.???????Url.
 * 
 * @author Morgan.Ji
 * 
 */
public class WebViewDialog extends Dialog {

  static final FrameLayout.LayoutParams FILL = new FrameLayout.LayoutParams(
      ViewGroup.LayoutParams.MATCH_PARENT,
      ViewGroup.LayoutParams.MATCH_PARENT);

  private String mUrl;
  private WebView mWebView;
  private RelativeLayout webViewContainer;
  private RelativeLayout mContent;

  public WebViewDialog(Context context, String url) {
    super(context, R.style.webView_style);
    mUrl = url;
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    requestWindowFeature(Window.FEATURE_NO_TITLE);
    mContent = new RelativeLayout(getContext());

    setUpWebView();

    DisplayMetrics metrics = new DisplayMetrics();
    getWindow().getWindowManager().getDefaultDisplay().getMetrics(metrics);
    addContentView(mContent, new LayoutParams(metrics.widthPixels,
        LayoutParams.MATCH_PARENT));
  }

  @SuppressLint("SetJavaScriptEnabled")
  private void setUpWebView() {
    webViewContainer = new RelativeLayout(getContext());

    mWebView = new WebView(getContext());
    mWebView.setVerticalScrollBarEnabled(false);
    mWebView.setHorizontalScrollBarEnabled(false);
    mWebView.getSettings().setJavaScriptEnabled(true);
    mWebView.setWebViewClient(new WeiboWebViewClient());
    mWebView.loadUrl(mUrl);
    mWebView.setLayoutParams(FILL);
    mWebView.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
    mWebView.clearHistory();
    mWebView.clearFormData();
    mWebView.clearCache(true);
    mWebView.setVisibility(View.INVISIBLE);

    webViewContainer.addView(mWebView);

    mContent.addView(webViewContainer);
  }

  private class WeiboWebViewClient extends WebViewClient {

    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
      view.loadUrl(url);
      return true;
    }

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

    @Override
    public void onPageStarted(WebView view, String url, Bitmap favicon) {
      super.onPageStarted(view, url, favicon);
    }

    @Override
    public void onPageFinished(WebView view, String url) {
      super.onPageFinished(view, url);
      mContent.setBackgroundColor(Color.TRANSPARENT);
      mWebView.setVisibility(View.VISIBLE);
    }

    public void onReceivedSslError(WebView view, SslErrorHandler handler,
        SslError error) {
      handler.proceed();
    }
  }

}

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