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POAndroid permission denied when saving file from a non-UI thread
 

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  1. POAndroid permission denied when saving file from a non-UI thread
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    <p>I having trouble with the download of an image from a new thread and saving it into a file.</p> <p>on some devices it works flawelsly </p> <p>on others, such as the HTC INCERDIBLE, I am getting an exception</p> <p>I managed to figure out it is in this line:</p> <pre><code>InputStream is=new URL(url).openStream(); </code></pre> <p>this is the complete stack dump</p> <pre><code>import java.io.InputStream; Bitmap bitmap=null; InputStream is=new URL(url).openStream(); OutputStream os = new FileOutputStream(f); Utils.CopyStream(is, os); os.close(); </code></pre> <p><br /></p> <pre><code>D/dalvikvm( 1930): GC_EXPLICIT freed 26K, 47% free 3642K/6855K, external 0K/0K, paused 90ms W/System.err( 2669): java.io.FileNotFoundException: /mnt/sdcard/com.example.testing1/remote-image-cache/74110ca30e217cfdcc78a98f814de093c217bc07.hdr (Permission denied) W/System.err( 2669): at org.apache.harmony.luni.platform.OSFileSystem.open(Native Method) W/System.err( 2669): at dalvik.system.BlockGuard$WrappedFileSystem.open(BlockGuard.java:232) W/System.err( 2669): at java.io.FileOutputStream.&lt;init&gt;(FileOutputStream.java:94) W/System.err( 2669): at java.io.FileOutputStream.&lt;init&gt;(FileOutputStream.java:66) W/System.err( 2669): at java.io.FileWriter.&lt;init&gt;(FileWriter.java:42) W/System.err( 2669): at org.appcelerator.titanium.util.TiResponseCache.put(TiResponseCache.java:359) W/System.err( 2669): at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.maybeCache(HttpURLConnectionImpl.java:331) W/System.err( 2669): at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.retrieveResponse(HttpURLConnectionImpl.java:1043) W/System.err( 2669): at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:512) W/System.err( 2669): at java.net.URL.openStream(URL.java:645) W/System.err( 2669): at ti.testing.ImageLoader.getBitmap(ImageLoader.java:163) W/System.err( 2669): at ti.testing.ImageLoader.access$100(ImageLoader.java:29) W/System.err( 2669): at ti.testing.ImageLoader$PhotosLoader.run(ImageLoader.java:256) </code></pre> <p>My manifest.xml file includes many permissions:</p> <pre><code>&lt;/application&gt; &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/&gt; &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/&gt; &lt;uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/&gt; &lt;uses-permission android:name="android.permission.VIBRATE"/&gt; &lt;uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/&gt; &lt;uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/&gt; &lt;uses-permission android:name="android.permission.READ_PHONE_STATE"/&gt; &lt;uses-permission android:name="android.permission.INTERNET"/&gt; </code></pre> <p>this is how I am getting the file path</p> <pre><code> if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED)) cacheDir=new File(android.os.Environment.getExternalStorageDirectory(),"LazyList"); else cacheDir=context.getCacheDir(); </code></pre> <p>I don't understand it... Ideas ?</p> <h3>EDIT</h3> <p>I tried changing:</p> <pre><code>cacheDir=new File("/mnt/","emmc"); </code></pre> <p>but now I get:</p> <pre><code>W/System.err( 404): java.io.FileNotFoundException: /mnt/emmc/cp_1216407347.jpeg (No such file or directory) </code></pre> <hr> <p>I tried changing cacheDir=new File("/mnt/","emmc"); but now I get W/System.err( 404): java.io.FileNotFoundException: /mnt/emmc/cp_1216407347.jpeg (No such file or directory)</p>
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    1. PTQuestion
    1. USKev
    1. USMoshe Marciano
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    1. COjust covering the basics (because I can't think of anything else really) are you sure that there is an SD card in all the phones ?
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      1. POAndroid permission denied when saving file from a non-UI thread
      1. USJason Rogers
    2. COAdding to Jason's comment, some HTC phones have an internal storage mechanism that acts like a SD card but is accessed a different way. Are you by any chance hardcoding the /mnt/sdcard path?
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      1. POAndroid permission denied when saving file from a non-UI thread
      1. USMarc Bernstein
    3. COthe crash is before I am using the File, it is in openStream, so there is no file access attempted directly. I am adding a bit of code to my original question to show you how I am figuring out the path. Also, the HTC doesn't have a SDCARD, but other phone with one suffer from the same problem, while other work fine.
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      1. POAndroid permission denied when saving file from a non-UI thread
      1. USMoshe Marciano
 

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