TLocation / FlowChooseLayout

public class MyAdapter extends FlowAdapter<DataBean> {

    /**
    * 实现默认的构造方法
    */
	public MyAdapter(List<DataBean> data) {
		super(data);
	}

    /**
    *   重写getView 方法  构造view
    *   形参 view不等于null的时候只有在刷新数据的时候不为空  其余一律为空
    */
	@Override
	public View getView(ViewGroup parent, View view, int position) {
		View contentView = null;
		if (view != null) {
			contentView = view;
		} else {
			contentView = LayoutInflater.from(parent.getContext()).inflate(R.layout.view_flow, parent, false);
		}
		TextView textView = contentView.findViewById(R.id.view_content);
		textView.setText(data.get(position).getName());
		return contentView;
	}


    /**
    *  当view状态改变的时候调用此方法
    
       state  true  选中
              false  不选中
    */
	@Override
	public void onChangeState(View view, int position, boolean state) {
		TextView textView = view.findViewById(R.id.view_content);
		if (state) {
			view.setBackgroundColor(Color.RED);
			textView.setText("已开启");
		} else {
			view.setBackgroundColor(Color.BLUE);
			textView.setText("选择");
		}

	}
}

final FlowChooseLayout flowChooseLayout = findViewById(R.id.id_attr);
		final List<DataBean> list = new ArrayList<>();
		String[] stringArray = getResources().getStringArray(R.array.flow_demo);
		for (int i = 0; i < stringArray.length; i++) {
			DataBean dataBean = new DataBean();
dataBean.setName(stringArray[i]);
			list.add(dataBean);
		}
        //初始化适配器
		myAdapter = new MyAdapter(list);
       //设置默认选中
		flowChooseLayout.setDefaultCheckd(0);
       //设置适配器
		flowChooseLayout.setAdapter(myAdapter);

      findViewById(R.id.id_btn).setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View view) {
                //增加数据  刷新适配器
				DataBean dataBean = new DataBean();
				dataBean.setName("增加选中项");
				list.add(dataBean);
				myAdapter.notifyDataSetChanged();
			}
		});


		findViewById(R.id.id_clear).setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View view) {
                //获取已经选中的索引
				List<Integer> allCheckedIndex = flowChooseLayout.getAllCheckedIndex();
				LogUtils.i("choose===>" + "选中===》" + allCheckedIndex.toString());
				textView.setText("已经选中的索引\n");
				textView.append(allCheckedIndex.toString());
			}
		});