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 <[email protected]> > 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 [email protected] > 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 > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] 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
