How to set the height and width of linear layout dynamically in android

Question

I have a Linearlayout in my xml which has fill_parent for both height and width... Now i want to dynamically change the height and width... I tried Using

_llChooseType.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,getWindowManager().getDefaultDisplay().getHeight()-100));

But it is giving me java.lang.ClassCastException: android.view.ViewGroup$LayoutParams exception...

How to do it?

Not sure about this so this is a comment but if I remember correctly you can do getLayoutParams() or something similar on your layout itself to gets it's correct layout params. — Jason
– Jason, Commented Jun 9, 2011 at 8:07

Sujit · Accepted Answer · 2011-06-09 08:13:05Z

6

Use this..

new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT,getWindowManager().getDefaultDisplay().getHeight()-100));

answered Jun 9, 2011 at 8:13

Sujit

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Comments

Ziteng Chen · Accepted Answer · 2011-06-09 08:12:07Z

If the _llChooseType is a LinearLayout object then I think you should use

new LinearLayout.LayoutParams(...);

Regards

Ziteng Chen

Nallath · Accepted Answer · 2011-06-09 08:12:51Z

The setLayoutParams widht & height can only have the following 3 values: FILL_PARENT, MATCH_PARENT and WRAP_CONTENT.

You should use public void layout (int l, int t, int r, int b) To actually change the layout of the created view/viewgroup.

dragonfly · Accepted Answer · 2011-06-09 08:11:19Z

Do this... Type:

_llChooseType.setLayoutParams(new Layo

and press ctrl+space_bar. This will give you a list of LayoutParams options to choose from...select LinearLayout.LayoutParams and write the rest of the code as is. The problem here is that the LayoutParams you use are ViewGroup.LayoutParams and they don't apply to linear layouts!

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