Drawing a line dynamically in code

by Kevin Courtney » Wed, 22 Sep 2010 20:54:26 GMT

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This seems like a basic question but Ie been struggling with it and need
another set of eyes to set me straight.

I trying to draw a line using code in a RelativeLayout and it not
showing up.  I have this XML file:

<?xml version=*"1.0"* encoding=*"utf-8"*?>

<shape xmlns:android=*" http://schemas.android.com/apk/res/android" ;*


    <stroke android:width=*"1dp"* android:colora=*"#0000FF"*/>

    <size android:height=*"15dp"* />


I use this file when drawing a line from straight XML and it works fine.

But now I trying to use it to draw a line dynamically, in this code

ScrollView sv = *new* ScrollView(*this*);

      RelativeLayout relativeLayout = *new* RelativeLayout(*this*);



      ImageView imageLineView2 = *new* ImageView(*this*);;


      RelativeLayout.LayoutParams lpEndOfInfoLineId2 =

       *new* RelativeLayout.LayoutParams(

*           *RelativeLayout.LayoutParams.*WRAP_CONTENT*,



      // have buttons, text, and images here that show up fine.


It uses the same background as my successful use from the XML file so I
don think it blending into the background.

Do any of you have any suggestions on what I missing?

Thanks in advance,



Drawing a line dynamically in code

by Kumar Bibek » Wed, 22 Sep 2010 23:44:18 GMT

 No you can't. What you are doing is right. If I understand correctly,
you want to use the draw method to draw a line, am I correct?

-Kumar Bibek


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Drawing a line dynamically in code

by Kevin Courtney » Thu, 23 Sep 2010 00:35:59 GMT

 I'm not entirely sure if it's the draw method that I should be
using..at this point I'm looking for any suggestions...

...I need to draw a line on the on this view using code.

The rest of the story is that this code is inside a loop that is
reading records and putting their info on the view.  In between each
record I want to draw a simple line.




Drawing a line dynamically in code

by Kumar Bibek » Thu, 23 Sep 2010 02:02:28 GMT

 If you are using a ListView, that is fairly simple.

You have two options...
1. Use Imageview as you are doing, if you dont want a Custom View
2. Use a custom view class that draws everything, which is more

-Kumar Bibek


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