I suspect your penguin image is too large.
I see that the penguin image comes with Windows and is 1024x768. Perhaps the problem relates to the downscaling of this image? Why not try a smaller image that requires no scaling? On Monday, September 17, 2012 10:08:33 PM UTC-5, yu wrote: > > Even if I change the layout as below to avoid the loop, what I get is > still is that "the bitmap looks quite different with the view" > > <?xml version="1.0" encoding="utf-8"?> > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"; > android:layout_width="match_parent" > android:layout_height="*match_parent*" > android:orientation="vertical"> > <Button android:layout_width="match_parent" > android:layout_height="*wrap_content*" > android:text="Test" > android:id="@+id/btnTest"/> > <ImageView android:layout_width="match_parent" > android:layout_height="*match_parent*" > android:id="@+id/ivTest"/> > </LinearLayout> > > Is there any method to resolve this problem? Thanks a lot. > > 2012/9/18 bob <b...@coolfone.comze.com <javascript:>> > >> I don't think your layout code makes sense, particularly the height >> specification. >> >> You have this for the LinearLayout: >> >> android:layout_height="wrap_content" >> >> This says '*Look at my children to figure out the height*'. >> >> Then you have this for the ImageView: >> >> android:layout_height="match_parent" >> >> This says *'Look at my parent (aka LinearLayout) to figure out the height >> *'. >> >> It is like the parent is saying 'go talk to the child' and the child is >> saying 'go talk to the parent' in an endless loop. >> >> >> >> >> On Monday, September 17, 2012 9:46:57 AM UTC-5, yu wrote: >>> >>> Hi all, >>> >>> I use below codes to generate the bitmap of a view: >>> >>> view.measure(MeasureSpec.**makeMeasureSpec(0, >>> MeasureSpec.UNSPECIFIED), >>> MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)); >>> view.layout(0, 0, view.getMeasuredWidth(), >>> view.getMeasuredHeight()); >>> Bitmap bitmap = Bitmap.createBitmap(view.**getWidth(), >>> view.getHeight(), >>> Bitmap.Config.ARGB_8888); >>> final Canvas canvas = new Canvas(bitmap); >>> view.draw(canvas); >>> >>> However, when the view really displays, it looks quite different with >>> the bitmap that I get. Please see below two snapshots. >>> *Below is the bitmap that I generated:* >>> >>> >>> <https://lh5.googleusercontent.com/-7tOJkO961Es/UFc3XjIvrFI/AAAAAAAAAGU/vXNeEPF-xyY/s1600/bitmap.png> >>> >>> >>> *Below is the view's real display:* >>> >>> >>> <https://lh5.googleusercontent.com/-x76-haIiBOI/UFc3gTBYTnI/AAAAAAAAAGc/b5dkPTrLlNk/s1600/view.png> >>> >>> >>> *Below is the layout of this view:* >>> <?xml version="1.0" encoding="utf-8"?> >>> <LinearLayout xmlns:android="http://schemas.** >>> android.com/apk/res/android <http://schemas.android.com/apk/res/android> >>> " >>> android:layout_width="wrap_**content" >>> android:layout_height="wrap_**content" >>> android:orientation="vertical"**> >>> <Button android:layout_width="match_**parent" >>> android:layout_height="wrap_**content" >>> android:text="Test" >>> android:id="@+id/btnTest"/> >>> <ImageView android:layout_width="match_**parent" >>> android:layout_height="match_**parent" >>> android:id="@+id/ivTest"/> >>> </LinearLayout> >>> >>> However, the above method is searched and got from stackoverflow. So I >>> assume it should work. Can someone tell me why the bitmap that I get is >>> different with the real display and how to resolve it? Thanks in advance. >>> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to >> android-d...@googlegroups.com<javascript:> >> To unsubscribe from this group, send email to >> android-developers+unsubscr...@googlegroups.com <javascript:> >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en >> > > -- 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
