Is there a way to change the nested layout parameters of android widget programatically?

Question

I would like to know if there is any way to change the width and height of nested Layout in android widget xml programatically just like that of LayoutParams in normal activity?

I'm planning to make a custom progress bar with the LineraLayouts hence i need to change the width of one layout to display the change

Answer 1

The type of the LayoutParams you must use is specified by the type of Layout that encapsulates the thing you want to change params for.

So for example if you want to change LayoutParams for your LinearLayout you need to check what's the Layout type that encapsulates it. In your case LinearLayout is being encapsulated by RelativeLayout so you need to use RelativeLayout.LayoutParams instead of ViewGroup.LayoutParams .

LinearLayout inside RelativeLayout in your xml file (activity_main.xml). Use RelativeLayout.LayoutParams to solve this issue.

Change this:

ll.setLayoutParams(new ViewGroup.LayoutParams(100,200));

to:

ll.setLayoutParams(new RelativeLayout.LayoutParams(100,200));

Answer 2

You have to use this way to find nested layout and change layout params.

Button button = (Button) findViewById(view.getId());
LinearLayout rLGreen = ((LinearLayout) button.getParent());
rLGreen.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));

It may be help you!!