Android LinearLayout set layout_gravity in java code -

Android LinearLayout set layout_gravity in java code -

i have problem on layout :(

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/cuerpo" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_gravity="center_vertical" android:orientation="vertical" > ...

in java code

linearlayout cuerpo = (linearlayout) findviewbyid(r.id.cuerpo); if(align){ cuerpo.setgravity(gravity.center_vertical); }else{ cuerpo.setgravity(gravity.no_gravity); }

i need layout_gravity no gravity.

the layout gravity talking within layoutparams of of linearlayout object. so, logically, have follow next steps:

get layoutparams of linearlayout.

if know layoutparams supposed be, can cast them (beware, based on your choice, must create sure correct!).

set gravity of layoutparams desire.

so in code be:

viewgroup.layoutparams layoutparams = cuerpo.getlayoutparams(); // step 1. linearlayout.layoutparams castlayoutparams = (linearlayout.layoutparams) layoutparams; // step 2. castlayoutparams.gravity = gravity.center_vertical; // step 3.

or simple 1 liner steps in one:

((linearlayout.layoutparams) cuerpo.getlayoutparams()).gravity = gravity.center_vertical;

please beware:

i cannot see trying do, not seem correct. type of layoutparams not type of view, type of layout view reside in.

(i.e. in @gincsait's reference, if have button in linearlayout, layoutparams of button of type linearlayout.layoutparams. same cannot said layoutparams of linearlayout.)

java android layout layout-gravity