UPDATE 2: I found out the problem!
BitmapFactory.decodeResource(context.getResources(), R.drawable.layers); return always NULL, what could be the problem for you? On 31 Mag, 11:15, Paolo <brand...@gmail.com> wrote: > UPDATE: > I have been able to write (layers.xml) what I want on a XML file using > Layer-List. > so I can use this drawable on a ImageView normally doing: > > <ImageView > android:layout_height="wrap_content" > android:layout_width="wrap_content" > android:src="@drawable/layers" /> > > Everything works fine! But this isn't my aim. > > Actually I'd like to use this drawable as a background of my custom > view, so I need to use it into the onDraw() method applying it on the > canvas of my View. > > ... > Bitmap img = BitmapFactory.decodeResource(context.getResources(), > R.drawable.layers); > canvas.drawBitmap(img, null, rect, paint); > ... > > I've this error at runtime: > 05-31 10:59:35.289: ERROR/AndroidRuntime(1702): > java.lang.NullPointerException > 05-31 10:59:35.289: ERROR/AndroidRuntime(1702): at > android.graphics.Canvas.throwIfRecycled(Canvas.java:954) > 05-31 10:59:35.289: ERROR/AndroidRuntime(1702): at > android.graphics.Canvas.drawBitmap(Canvas.java:1012) > 05-31 10:59:35.289: ERROR/AndroidRuntime(1702): at > it.myPackageTest.view.test.CustomView.onDraw(CustomView.java:79) > ... > > I don't call recycle(), so how it is possible? Maybe I can't use > layers on a canvas? I really don't know! :( > Please tell me something! > > Thanks in advance! > > On 30 Mag, 18:50, Paolo <brand...@gmail.com> wrote: > > > > > Hi there! > > I need to draw a drawable on a canvas. I'd like to avoid using a png > > file, but I'd like to draw it with shapes. > > The final result must be an unique drawable composed by two rects > > overlayed, one smallest than the other one. > > > How can I do that in XML? I've seen layer-list but I can't figure out > > if it is useful for my achivement besides the fact I have a runtime > > exception... .:( > > > Can anyone hepl me, please? > > > 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-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
