Why are you using LinearLayout.LayoutParams for a child of a ScrollView subclass?
On Thu, May 19, 2011 at 9:21 PM, Frank <[email protected]> wrote: > Hi All, > > I have the following code. I only got a black screen without seeing > the white image. > > public class Demo extends Activity { > private MyCtrl mCtrl; > protected void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > > mCtrl = new MyCtrl(this); > setContentView(mCtrl); > } > } > > public class MyCtrl extends ScrollView { > > public MyCtrl (Context context) { > super(context); > setFocusable(true); > > int width = 100; > int height = 100; > int size = width * height; > int buf[] = new int[size]; > for ( int i = 0; i < size; ++i) { > buf[i] = 0xFFFFFFFF; //white image > } > > Bitmap bmp = Bitmap.createBitmap(buf, width, height, > Bitmap.Config.ARGB_4444); > ImageView iv = new ImageView(getContext()); > iv.setLayoutParams( new LinearLayout.LayoutParams(width, height) ); > iv.setImageBitmap(bmp); > iv.setScaleType(ImageView.ScaleType.CENTER); > addView(iv); > } > } > > > However, if I derive MyCtrl from ImageView directly, the white image > shows up. > > Your help is highly appreciated. > > Cheers, > Frank > > -- > 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 > -- Mark Murphy (a Commons Guy) http://commonsware.com | http://github.com/commonsguy http://commonsware.com/blog | http://twitter.com/commonsguy Android App Developer Books: http://commonsware.com/books -- 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
