列表单选效果

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效果

代码

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <TextView
        android:id="@+id/tv"
        android:layout_width="wrap_content"
        android:layout_height="40dp"
        android:layout_centerHorizontal="true"
        android:gravity="center_vertical"
        android:text="item"
        android:textColor="@color/colorTv" />

    <ImageView
        android:id="@+id/iv"
        android:layout_width="24dp"
        android:layout_height="24dp"
        android:layout_centerVertical="true"
        android:layout_marginLeft="15dp"
        android:layout_toRightOf="@id/tv"
        android:scaleType="center"
        android:src="@mipmap/icon_check_mark"
        android:visibility="gone" />
</RelativeLayout>

public class MyAdapter extends BaseAdapter {

    private Context mContext;
    private int checkItemPosition = -1;

    public MyAdapter(Context context) {
        this.mContext = context;
    }

    public void setCheckItem(int position) {
        checkItemPosition = position;
        notifyDataSetChanged();
    }

    @Override
    public int getCount() {
        return 20;
    }

    @Override
    public Object getItem(int i) {
        return null;
    }

    @Override
    public long getItemId(int i) {
        return 0;
    }

    @Override
    public View getView(int i, View view, ViewGroup viewGroup) {
        ViewHolder holder;
        if (view == null) {
            view = LayoutInflater.from(mContext).inflate(R.layout.item_layout, viewGroup, false);
            holder = new ViewHolder();
            holder.tv = view.findViewById(R.id.tv);
            holder.iv = view.findViewById(R.id.iv);
            view.setTag(holder);
        } else {
            holder = (ViewHolder) view.getTag();
        }
        fillData(i, holder);
        return view;
    }

    private void fillData(int position, ViewHolder holder) {
        if (checkItemPosition != -1) {
            if (checkItemPosition == position) {
                holder.tv.setTextColor(mContext.getResources().getColor(R.color.colorAccent));
                holder.iv.setVisibility(View.VISIBLE);
            } else {
                holder.tv.setTextColor(mContext.getResources().getColor(R.color.colorTv));
                holder.iv.setVisibility(View.GONE);
            }
        }
    }

    private static class ViewHolder {
        private TextView tv;
        private ImageView iv;
    }
}

ListView listview = (ListView) findViewById(R.id.listview);
myAdapter = new MyAdapter(this);
listview.setAdapter(myAdapter);
listview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
	@Override
	public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
		myAdapter.setCheckItem(i);
	}
});