Mark, When my activity starts the listview is populated and each list view consits of the following row:
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"; android:layout_width="fill_parent" android:layout_height="?android:attr/listPreferredItemHeight" android:padding="10dp"> <TextView android:id="@+id/tvFilename" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="File-name" android:textColor="@color/blue" android:textStyle="bold" /> <ImageView android:id="@+id/ivthumbNail" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/tvFilename" android:layout_marginRight="6dip" /> <CheckBox android:id="@+id/chkUse" android:layout_width="100dip" android:layout_height="wrap_content" android:layout_below="@+id/tvFilename" android:layout_alignParentRight="true" android:textColor="@color/blue" android:text="Use" android:checked="true"/> <RelativeLayout android:id="@+id/llRotationButtons" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_below="@+id/chkUse" android:gravity="right"> <ImageButton android:id="@+id/btnCCW" android:layout_width="48dip" android:layout_height="48dip" android:src="@drawable/ccw_rotate_btn"/> <ImageButton android:id="@+id/btnCW" android:layout_width="48dip" android:layout_height="48dip" android:src="@drawable/cw_rotate_btn" android:layout_toRightOf="@+id/btnCCW" android:layout_marginLeft="6dip"/> </RelativeLayout> </RelativeLayout> This all works well, when either button btnCCW or btnCW is called, a listener is called that rotates the image view either clockwise or counter-clockwise by 90 degrees, this also works well and I can see that the image in the listview is rotating, however when the row goes out of view the rotation is ignored. I don't understand what you were saying in your last post, can you please clarify? Thank you, Simon On Sat, Jul 2, 2011 at 3:25 PM, Mark Murphy <mmur...@commonsware.com> wrote: > On Sat, Jul 2, 2011 at 10:14 AM, Simon Platten > <simonaplat...@googlemail.com> wrote: > > I can't call rotateThumbnail directly from getView as it is the result of > an > > onClick from one of the buttons also in the view for that item. > > Then why are you expecting your images to be rotated when you return a > row from getView(), if you are not rotating them? > > > The ImageView that is rotated is from the array that the list view uses. > > No, it is not, at least not based on the code that you pasted above. > Which is good, because maintaining an array of ImageViews would be a > bad move. > > You are getting your ImageView via: > > ImageView ivThumbnail = (ImageView)v.findViewById(R.id.ivthumbNail); > > This is returning the ImageView from the row (recycled or newly > inflated). It is not from "the array that the list view uses". > > You are setting the background of this ImageView to a *newly decoded > bitmap* from your file. That too is sub-optimal code, as it means you > are performing disk I/O on the main application thread on every > getView() call, so your scrolling will be sluggish. Moreover, you are > not rotating the image here, so therefore it will not be rotated, > since it is a *newly decoded bitmap*. > > If you want to rotate your image, then please rotate your image. > > -- > Mark Murphy (a Commons Guy) > http://commonsware.com | http://github.com/commonsguy > http://commonsware.com/blog | http://twitter.com/commonsguy > > _Android Programming Tutorials_ Version 3.5 Available! > > -- > 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 > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Regards, Sy -- 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 android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
