Android :: Creating Cache Files And Directories On HTC Desire

Oct 23, 2010

I've experienced a strange issue running applications on the HTC Desire.

When I call getApplicationContext().getCacheDir() or getApplicationContext().getFilesDir() from my activity this always returns null. In the emulator /data/data/com.myapp.android/cache respectively /data/data/com.myapp.android/files is returned.

Because of that I'm not able to use the webview class as it tries to create cache files and crashes with a null pointer exception. The logs:

CODE:..............

I noticed that other apps have issues as well. For example the google finance app logs the following message:

CODE:.............

Why I cannot create folders in this directory?

Is there a possibility to set the fileDir and cacheDir paths to the sd card or somewhere else? I looked at some classes like Context, Webview and CacheManager but I could not find a way to change it.

Do I need to set a permission to create cache files?

Android :: creating cache files and directories on HTC Desire


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code:.................

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Nov 3, 2010

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My class is very similar to the class used in the droidfu project

My downloaded images are put into an hashmap and the Bitmap objet is wrapped inside a SoftRererence object.

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CODE:.................

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CODE:..............

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CODE:.....................

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