Webview Out of Memory Error

Question

I am trying to load html data onto a webview which works most of the time but on occasion, I have really long content and an out of memory exception is thrown when i try to load the data.

This is the logcat;

java.lang.OutOfMemoryError
       at java.lang.AbstractStringBuilder.enlargeBuffer(AbstractStringBuilder.java:94)
       at java.lang.AbstractStringBuilder.append0(AbstractStringBuilder.java:145)
       at java.lang.StringBuilder.append(StringBuilder.java:216)
       at com.radioafrica.mpasho.view.EntryView.generateHtmlContent(EntryView.java:195)
       at com.radioafrica.mpasho.view.EntryView.setHtml(EntryView.java:158)
       at com.radioafrica.mpasho.view.ArticleView.setArticleContent(ArticleView.java:212)
       at com.radioafrica.mpasho.view.ArticleView.setContent(ArticleView.java:142)
       at com.radioafrica.mpasho.fragment.EntryFragment$EntryPagerAdapter.displayEntry(EntryFragment.java:659)
       at com.radioafrica.mpasho.fragment.EntryFragment.onLoadFinished(EntryFragment.java:546)
       at com.radioafrica.mpasho.fragment.EntryFragment.onLoadFinished(EntryFragment.java:71)
       at android.support.v4.app.LoaderManagerImpl$LoaderInfo.callOnLoadFinished(LoaderManager.java:427)
       at android.support.v4.app.LoaderManagerImpl$LoaderInfo.onLoadComplete(LoaderManager.java:395)
       at android.support.v4.content.Loader.deliverResult(Loader.java:104)
       at android.support.v4.content.CursorLoader.deliverResult(CursorLoader.java:73)
       at android.support.v4.content.CursorLoader.deliverResult(CursorLoader.java:35)
       at android.support.v4.content.AsyncTaskLoader.dispatchOnLoadComplete(AsyncTaskLoader.java:223)
       at android.support.v4.content.AsyncTaskLoader$LoadTask.onPostExecute(AsyncTaskLoader.java:61)
       at android.support.v4.content.ModernAsyncTask.finish(ModernAsyncTask.java:461)
       at android.support.v4.content.ModernAsyncTask.access$500(ModernAsyncTask.java:47)
       at android.support.v4.content.ModernAsyncTask$InternalHandler.handleMessage(ModernAsyncTask.java:474)
       at android.os.Handler.dispatchMessage(Handler.java:99)
       at android.os.Looper.loop(Looper.java:137)
       at android.app.ActivityThread.main(ActivityThread.java:5283)
       at java.lang.reflect.Method.invokeNative(Method.java)
       at java.lang.reflect.Method.invoke(Method.java:511)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869)
       at dalvik.system.NativeStart.main(NativeStart.java)

This is how I am loading my data:

 public void setHtml(long entryId, String contentText, String link) {
    if (PrefUtils.getBoolean(PrefUtils.DISPLAY_IMAGES, true) || !PrefUtils.getBoolean(PrefUtils.LITE_VERSION, false)) {
        contentText = HtmlUtils.replaceImageURLs(contentText, entryId);
        if (getSettings().getBlockNetworkImage()) {
            // setBlockNetwortImage(false) calls postSync, which takes time, so we clean up the html first and change the value afterwards
            loadData("", TEXT_HTML, Constants.UTF8);
            getSettings().setBlockNetworkImage(false);
        }
    } else {
        contentText = contentText.replaceAll(HTML_IMG_REGEX, "");
        getSettings().setBlockNetworkImage(true);
    }

    loadDataWithBaseURL("https://twitter.com/", generateHtmlContent(contentText, link), TEXT_HTML, Constants.UTF8, null);

private String generateHtmlContent(String contentText, String link) {
    String s[] = link.split("/");
    String identifier = s[s.length - 1];

    String comments = "<div id=\"disqus_thread\"></div>\n" +
            "\t<script type=\"text/javascript\">\n" +
            "\tvar disqus_shortname = 'mpashonews';\n" +
            "\n" +
            "\tvar disqus_identifier = '" + identifier + "';\n" +
            "\tvar disqus_title = 'Comments';\n" +
            "\t(function() {\n" +
            "\tvar dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;\n" +
            "\tdsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';\n" +
            "\t(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);\n" +
            "\t})();\n" +
            "\t</script>\n" +
            "\t<noscript>Please enable JavaScript to view the <a href=\"https://disqus.com/?ref_noscript\" rel=\"nofollow\">comments powered by Disqus.</a></noscript>";

    return CSS + BODY_START + contentText + "<br/>" + comments + BODY_END;
}

What is the best way to handle the large strings when loading the data?

we faced similar issues in past. Our issue was resolved using couple of options. You might want to try them. 1. Try android:largeHeap="true" 2. Use StringBuffer 3. Create a HTML file on SD card and send that file to Webview. — Amod Gokhale, Jul 27 '15 at 10:44
have you faced this problem: http://stackoverflow.com/questions/24407411/native-crash-at-system-lib-libwebviewchromium-so-on-kitkat-android-4-4 ? I'm looking for a solution and everything appear to be related to the Memory Fail and i have big texts to and need correctly way to handle it — user2582318, Aug 13 '15 at 20:32

Webview Out of Memory Error

0 Answers0