No one else has seen anything like this? Is there a way to enter this as a bug against the Android codebase? I haven't actually seen the open source part of this yet (I'd actually try and fix it if it was out there already).
On Sep 29, 11:09 am, Joe Erickson <[EMAIL PROTECTED]> wrote: > I'm seeing some caching problems when using anImageButtonwith a Uri > and I'm not sure if there's a flag that needs set somewhere or not. > > I'm using the button to add an icon to an item in one of my > applications, exactly like it's being used for the Contact application > (which I don't think the source is available for). I'm using the CROP > trick seen in this > application:http://code.google.com/p/apps-for-android/source/browse/trunk/Photost... > > Specifically, I'm calling the image picker and then the crop like so: > > protected OnClickListener cmdIconListener = new OnClickListener() { > // @Override > public void onClick(View arg0) { > Intent i = new > Intent("android.intent.action.GET_CONTENT"); > i.setType("image/*"); > startActivityForResult(i, AddTea.ADD_ICON); > } > > }; > > protected void onActivityResult(int requestCode, int resultCode, > Intent data){ > // See which child activity is calling us back. > switch (requestCode) { > case AddTea.ADD_ICON: > // This is the standard resultCode that is sent back if the > // activity crashed or didn't doesn't supply an explicit > result. > if (resultCode != RESULT_CANCELED){ > Intent i = new Intent("com.android.camera.action.CROP"); > i.setClassName("com.android.camera", > "com.android.camera.CropImage"); > i.setData(data.getData()); > Log.d(TAG, "path: " + data.getData().getPath()); > i.putExtra("noFaceDetection", true); > i.putExtra("outputX", iconWidth); > i.putExtra("outputY", iconHeight); > i.putExtra("aspectX", iconWidth); > i.putExtra("aspectY", iconHeight); > i.putExtra("scale", true); > > if(iconUri == null){ > ContentValues values = new ContentValues(); > > values.put(android.provider.MediaStore.Images.Media.TITLE, name + " > Icon"); > > values.put(android.provider.MediaStore.Images.Media.BUCKET_ID, > "STeaP_Tea_Timer_Icons"); > > values.put(android.provider.MediaStore.Images.Media.BUCKET_DISPLAY_NAME, > "STeaP Tea Timer Icons"); > iconUri = > getContentResolver().insert(android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI, > values).toString(); > } > i.putExtra("output", Uri.parse(iconUri)); > startActivityForResult(i, CROP_ICON); > } > break; > case AddTea.CROP_ICON: > if (resultCode != RESULT_CANCELED){ > Log.d(TAG, "Data String: " + iconUri); > showIconButton(iconUri); > } > default: > break; > } > > } > > protected void showIconButton(String iconUri){ > if(iconUri != null){ > ImageButtoniconField = (ImageButton) > findViewById(R.id.iconButton); > Log.d(TAG, "iconUri: " + iconUri); > iconField.setImageURI(Uri.parse(iconUri)); > iconField.invalidate(); > } > > } > > So if the item doesn't have an icon, set one in the ContentProvider > and save the iconUri. If it does, just overwrite it with the new > cropped image. > > This works fine if the item never had an icon. It shows in > theImageButtonwhen the Activity returns. However, if the item already > had an icon, my Activity still shows the old icon, even though it was > overwritten. It seems that if theImageButtongets the same Uri back, > even if I wrote a new image to it, it doesn't redraw, even if I tell > it to invalidate(). If I relaunch my Activity, the new image shows up > just like I expected. Funny enough, the Pictures application doesn't > see any images I created until I restart the emulator, which also > doesn't seem ideal! > > So, is there anyway to handle this caching of the Uri? I seems like > the ContentProvider should be doing this when I write a new image to > it, but it doesn't seem to be. Also, before anyone suggests, I tried > deleteing the entry in the ContentProvider and making a new one and > that seems to partially work. It partilly works because, if the Uri > we get back it new, the view does refresh with this new Uri. However, > if the icon was the last picture to be saved to the ContentProvider, > say item 10, then the ContentProvider will delete item 10 and the > reuses 10 as the next id! So I'm back where I started and > theImageButtonshows the old icon. > > Any help in kicking the ContentProvider ofImageButtoninto shape > would be appreciated. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
