How change size LinearLayout from code

Question

i have LinearLayot with LinearLayout, with TableLayout and TableRow. A have change size when i click in button. When i do so: ``` @Override public void onClick(View v) { private LinearLayout commonCardContainer = (LinearLayout) findViewById(R.id.commonCardContainer); ViewGroup.LayoutParams params = commonCardContainer.getLayoutParams(); params.width = 50; params.height = 50; commonCardContainer.setLayoutParams(new ViewGroup.LayoutParams(params)); } ``` I have error: ``` 05-21 15:22:31.084: E/AndroidRuntime(9272): FATAL EXCEPTION: main 05-21 15:22:31.084: E/AndroidRuntime(9272): java.lang.ClassCastException: android.view.ViewGroup$LayoutParams cannot be cast to android.widget.RelativeLayout$LayoutParams 05-21 15:22:31.084: E/AndroidRuntime(9272): at android.widget.RelativeLayout$DependencyGraph.findRoots(RelativeLayout.java:1317) 05-21 15:22:31.084: E/AndroidRuntime(9272): at android.widget.RelativeLayout$DependencyGraph.getSortedViews(RelativeLayout.java:1264) 05-21 15:22:31.084: E/An…

Accepted Answer

try this,

```
@Override
    public void onClick(View v) {
        private LinearLayout commonCardContainer = (LinearLayout) findViewById(R.id.commonCardContainer);
        LinearLayout.LayoutParams params = commonCardContainer.getLayoutParams();
        params.width = 50;
        params.height = 50;
        commonCardContainer.setLayoutParams(params); 
}
```

How change size LinearLayout from code

Solution

Problem