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Editorial Team
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Asked: 2026-05-28T08:05:22+00:00

If I’m creating RelativeLayout of my own in code (not in XML) and wish

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If I’m creating RelativeLayout of my own in code (not in XML) and wish to set its various attributes (android:layout_centerVertical, etc) what is the syntax for doing this?

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  1. Editorial Team

    I think you need to use LayoutParams. This should help you out:

    RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE);
Button button1;
button1.setLayoutParams(params);

params = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.RIGHT_OF, button1.getId());
Button button2;
button2.setLayoutParams(params);

    You need to create the LayoutParams object and then use addRule() to add rules to it. Then you just set the parameters to the View you want. Be careful when importing LayoutParams because there are different imports for different types of View. I think you’ll want the one called RelativeLayout.LayoutParams

    Here is a link to the dev guide for extra help

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