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POHow to read the pictures file from a specified uri
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  1. POHow to read the pictures file from a specified uri
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    copied!<p>I'm trying to read, with the cursor, the files specified in the URI from me. But I can not figure out where the error does not seem to read from the path that I have indicated </p> <p>This is the Code:</p> <pre><code> public static Uri getRandomImage(ContentResolver resolver) { String[] projection = new String[] { BaseColumns._ID, }; Uri uri = Media.getContentUri("/sdcard/DCIM/Wallpaper/"); String[] selectionArgs = null; // there is no ? in selection so null here String sortOrder = null; // unordered Cursor cursor = resolver.query(uri, projection, null, selectionArgs, sortOrder); if (cursor == null || cursor.getCount() &lt;= 0) { return null; } cursor.moveToPosition(new Random().nextInt(cursor.getCount())); return Uri.withAppendedPath(uri, cursor.getString(0)); } </code></pre> <p>this is the code where there is a new error:</p> <pre><code>ParcelFileDescriptor pfd; try { pfd = context.getContentResolver().openFileDescriptor(uri, "r"); //line with error } catch(FileNotFoundException fnfe) { Log.e(LOG_TAG, Log.getStackTraceString(fnfe)); return null; } </code></pre> <p>This is the log cat:</p> <pre><code>E/it.bisemanuDEV.slidepuzzle.TileView(11188): java.io.FileNotFoundException: No content provider: E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.content.ContentResolver.openAssetFileDescriptor(ContentResolver.java:464) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.content.ContentResolver.openFileDescriptor(ContentResolver.java:380) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at it.bisemanuDEV.slidepuzzle.TileView.getImageFromUri(TileView.java:560) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at it.bisemanuDEV.slidepuzzle.TileView.onDraw(TileView.java:239) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.View.draw(View.java:6741) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.ViewGroup.drawChild(ViewGroup.java:1640) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.ViewGroup.drawChild(ViewGroup.java:1638) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.View.draw(View.java:6744) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.ViewGroup.drawChild(ViewGroup.java:1640) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.View.draw(View.java:6744) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.widget.FrameLayout.draw(FrameLayout.java:352) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.ViewGroup.drawChild(ViewGroup.java:1640) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.View.draw(View.java:6744) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.widget.FrameLayout.draw(FrameLayout.java:352) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:1842) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.ViewRoot.draw(ViewRoot.java:1407) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.ViewRoot.performTraversals(ViewRoot.java:1163) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.view.ViewRoot.handleMessage(ViewRoot.java:1727) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.os.Handler.dispatchMessage(Handler.java:99) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.os.Looper.loop(Looper.java:123) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at android.app.ActivityThread.main(ActivityThread.java:4627) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at java.lang.reflect.Method.invokeNative(Native Method) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at java.lang.reflect.Method.invoke(Method.java:521) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) E/it.bisemanuDEV.slidepuzzle.TileView(11188): at dalvik.system.NativeStart.main(Native Method) </code></pre>
 

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