超方便的替换RadioGroup的工具类

2019-12-03  本文已影响0人  进击的鱼儿
public class SingleChoiceAdapter {
    private ViewGroup parent;
    private OnItemClickListener onItemClickListener;

    public SingleChoiceAdapter(ViewGroup parent) {
        this.parent = parent;
        View firstChild = parent.getChildAt(0);
        this.parent.setTag(firstChild);
        for (int i = 0; i < parent.getChildCount(); i++) {
            View child = parent.getChildAt(i);
            child.setTag(i);
            child.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    if (onItemClickListener != null) {
                        onItemClickListener.onItemClick((Integer) v.getTag(), v);
                    }
                    ((View) SingleChoiceAdapter.this.parent.getTag()).setSelected(false);
                    v.setSelected(true);
                    SingleChoiceAdapter.this.parent.setTag(v);
                }
            });
        }
    }

    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }
}
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