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Application cache in HTML5 doesn't work in Android PhoneGap application

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悲&欢浪女
悲&欢浪女 2020-12-18 17:38

I\'m trying to use application cache in HTML5 for Android PhoneGap Application, but this doesn\'t work, it doesn\'t feel with ApplicationCahce Events.

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  • 别那么骄傲
    2020-12-18 17:44

    I believe the application cache is not enabled by default in the WebView. What you will need to do is in the Java class that extends DroidGap call:

    this.appView.getSettings().setAppCacheEnabled(true);

    in your onCreate() method.

    You may also need to call:

    this.appView.getSettings().setAppCacheMaxSize(sizeInBytes);
this.appView.getSettings().setAppCachePath(pathToCacheDir);

    Please note the cache directory must exist before you call setAppCachePath().

    Read up on...

    http://developer.android.com/reference/android/webkit/WebSettings.html#setAppCacheEnabled(boolean) http://developer.android.com/reference/android/webkit/WebSettings.html#setAppCacheMaxSize(long) http://developer.android.com/reference/android/webkit/WebSettings.html#setAppCachePath(java.lang.String)

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  • 眼角桃花
    2020-12-18 17:52

    For pathToCacheDir, use:

    String pathToCacheDir = this.getApplicationContext().getCacheDir().getAbsolutePath()
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  • 醉酒成梦
    2020-12-18 17:53

    did you set the correct mime-type? At first I use the '.txt' like thie:

    <!DOCTYPE html>
<html manifest="cache.txt">
<head>

    It works well in iOS, Chrome but doesn't work in Android!

    When I set the correct mime-type,it works well~

    In tomcat,the default extension was '.appcache',and the default mime-type was:

    <mime-mapping>
    <extension>appcache</extension>
    <mime-type>text/cache-manifest</mime-type>
</mime-mapping>
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