CODEWITHSUNDEEP
androidcheckboxwidget
HXSP1947
HXSP1947

Reputation: 1351

Change checkbox size android without using XML

Thanks in advance for the help.

I have a checkbox that I am creating in a method call

public int myMethod(Context context, doThing) {
     if(doThing){
          this.checkBox = new CheckBox(context);
          do some stuff...
          return 1;
     }else{
          do something else...
          return 0;
     }
}

I would like to change the size of the checkbox (the actual box not the box and text combo) with a call like checkBox.setBoxSize(mySize). setBoxSize is not a native android method. Is it possible to do this, and if it is, how might I go about it?

Upvotes: 0

Views: 1922

Answers (2)

romtsn
romtsn

Reputation: 12002

If you want to create your checkBox with predefined width and height you can use this method:

this.checkBox = new CheckBox(context);
this.checkBox.setLayoutParams(new LinearLayout.LayoutParams(width, height)); // or if your parent is RelativeLayout use RelativeLayout.LayoutParams(width, height)

Note, that your width and height are in pixels.

If you want to change already existing layout params, you should do something like this:

private void setBoxSize(CheckBox checkBox) {
    LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) checkBox.getLayoutParams(); // or RelativeLayout.LayoutParams
    params.height = yourHeightInPixels;
    params.width = yourWidthInPixels;
    checkBox.setLayoutParams(params);
}

EDIT: In that case, if you want to change size of the checkbox's button, you could only use one of this methods

checkBox.setButtonDrawable(int resId);
checkBox.setButtonDrawable(Drawable d);

and set the right size of your drawables. Unfortunately, Android doesn't have methods to manipulate button (as you mentioned - "box") of the checkbox.

Example of the drawable, that is using as checkbox's button:

<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_checked="true"
        android:drawable="@drawable/ic_check_on" /> <!-- checked -->
    <item android:state_checked="false"
        android:drawable="@drawable/ic_check_off" />
</selector>

Upvotes: 3

Panther
Panther

Reputation: 9418

You should set the layout Params for the checkbox like this

 //width and height are in pixels
 checkbox.setLayoutParams(new ViewGroup.LayoutParams(width,height));

Upvotes: 0

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