Android Open Source - plus1-android-sdk Application Browser

From Project

License

The source code is released under:
Copyright (c) 2012, WapStart All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Red...
If you think the Android project plus1-android-sdk listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package ru.wapstart.plus1.sdk;
//from  w w w .  j  a v a  2s . com
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.webkit.CookieSyncManager;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ImageButton;
import android.widget.Toast;

public class ApplicationBrowser extends Activity {
  public static final String URL_EXTRA = "extra_url";
  private static final String LOGTAG = "ApplicationBrowser";

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

    getWindow().requestFeature(Window.FEATURE_PROGRESS);
    getWindow().setFeatureInt(Window.FEATURE_PROGRESS, Window.PROGRESS_VISIBILITY_ON);

    setContentView(R.layout.mraid_browser);

    Intent intent = getIntent();
    initializeWebView(intent);
    initializeButtons(intent);
    enableCookies();
  }

  private void initializeWebView(Intent intent) {
    WebView webView = (WebView) findViewById(R.id.webView);
    webView.getSettings().setJavaScriptEnabled(true);
    webView.loadUrl(intent.getStringExtra(URL_EXTRA));
    webView.setWebViewClient(new WebViewClient() {
      @Override
      public void onReceivedError(WebView view, int errorCode, String description,
          String failingUrl) {

        Activity a = (Activity) view.getContext();
        Toast.makeText(a, "Browser error: " + description, Toast.LENGTH_SHORT).show();

        Log.e(
          LOGTAG,
          String.format(
            "Browser error %s (errorCode=%d) when loading url '%s'",
            description,
            errorCode,
            failingUrl
          )
        );
      }

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

        if (Plus1Helper.isIntentUrl(url)) {
          Uri uri = Uri.parse(url);
          Intent intent = new Intent(Intent.ACTION_VIEW, uri);
          intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

          try {
            view.getContext().startActivity(intent);
            ApplicationBrowser.this.finish();
          } catch (ActivityNotFoundException e) {
            if (Plus1Helper.isPlayMarketIntentUrl(url)) {
              String playUrl = "http://play.google.com/store/apps/" + uri.getHost() + "?" + uri.getQuery();
              Log.i(
                LOGTAG,
                String.format(
                  "Could not open link '%s' because Google Play app is not installed, we will open the app store link: '%s'",
                  url,
                  playUrl
                )
              );
              view.loadUrl(playUrl);
            } else {
              Log.e(LOGTAG, "Could not handle intent with URI: " + url);
              return false;
            }
          }
        } else {
          view.loadUrl(url);
        }

        return true;
      }

      @Override
      public void onPageStarted(WebView view, String url, Bitmap favicon) {
        super.onPageStarted(view, url, favicon);
        ImageButton forwardButton = (ImageButton) findViewById(R.id.browserForwardButton);
        forwardButton.setImageResource(R.drawable.unrightarrow);
      }

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

        ImageButton backButton = (ImageButton) findViewById(R.id.browserBackButton);
        int backImageResource = (view.canGoBack()) ?
            R.drawable.leftarrow : R.drawable.unleftarrow;
        backButton.setImageResource(backImageResource);

        ImageButton forwardButton = (ImageButton) findViewById(R.id.browserForwardButton);
        int fwdImageResource = (view.canGoForward()) ?
            R.drawable.rightarrow : R.drawable.unrightarrow;
        forwardButton.setImageResource(fwdImageResource);
      }
    });

    webView.setWebChromeClient(new WebChromeClient() {
      public void onProgressChanged(WebView view, int progress) {
        Activity a = (Activity) view.getContext();
        a.setTitle("Loading...");
        a.setProgress(progress * 100);
        if (progress == 100) a.setTitle(view.getUrl());
      }
    });
  }

  private void initializeButtons(Intent intent) {
    ImageButton backButton = (ImageButton) findViewById(R.id.browserBackButton);
    backButton.setBackgroundColor(Color.TRANSPARENT);
    backButton.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        WebView webView = (WebView) findViewById(R.id.webView);
        if (webView.canGoBack()) webView.goBack();
      }
    });

    ImageButton forwardButton = (ImageButton) findViewById(R.id.browserForwardButton);
    forwardButton.setBackgroundColor(Color.TRANSPARENT);
    forwardButton.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        WebView webView = (WebView) findViewById(R.id.webView);
        if (webView.canGoForward()) webView.goForward();
      }
    });

    ImageButton refreshButton = (ImageButton) findViewById(R.id.browserRefreshButton);
    refreshButton.setBackgroundColor(Color.TRANSPARENT);
    refreshButton.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        WebView webView = (WebView) findViewById(R.id.webView);
        webView.reload();
      }
    });

    ImageButton closeButton = (ImageButton) findViewById(R.id.browserCloseButton);
    closeButton.setBackgroundColor(Color.TRANSPARENT);
    closeButton.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        ApplicationBrowser.this.finish();
      }
    });
  }

  private void enableCookies() {
    CookieSyncManager.createInstance(this);
    CookieSyncManager.getInstance().startSync();
  }

  @Override
  protected void onPause() {
    super.onPause();
    CookieSyncManager.getInstance().stopSync();
  }

  @Override
  protected void onResume() {
    super.onResume();
    CookieSyncManager.getInstance().startSync();
  }
}
Java Source Code List
