谷歌电子市场6--排行

Posted 2020-08-21

1.json

 

2.HotFragment

/**
 * 排行
 * 
 * @author Kevin
 * 
 */
public class HotFragment extends BaseFragment {

    private ArrayList<String> mList;

    @Override
    public View onCreateSuccessView() {
        int padding = UIUtils.dip2px(10);
        // 为了使布局可以上下滑动,需要用ScrollView包装起来
        ScrollView scrollView = new ScrollView(UIUtils.getContext());
        // 设置ScrollView边距
        scrollView.setPadding(padding, padding, padding, padding);

        // 初始化自定义控件
        FlowLayout flow = new FlowLayout(UIUtils.getContext());
        // 水平间距
        flow.setHorizontalSpacing(UIUtils.dip2px(6));
        // 竖直间距
        flow.setVerticalSpacing(UIUtils.dip2px(8));

        // 根据接口返回的数据个数,动态添加TextView
        for (final String str : mList) {
            TextView view = new TextView(UIUtils.getContext());
            view.setText(str);
            view.setTextColor(Color.WHITE);
            view.setGravity(Gravity.CENTER);
            view.setPadding(padding, padding, padding, padding);
            view.setTextSize(TypedValue.COMPLEX_UNIT_SP, 16);

            // 设置随机文字颜色
            Random random = new Random();
            int r = 30 + random.nextInt(210);
            int g = 30 + random.nextInt(210);
            int b = 30 + random.nextInt(210);

            int color = 0xffcecece;// 按下后偏白的背景色

            // 根据默认颜色和按下颜色, 生成圆角矩形的状态选择器
            Drawable selector = DrawableUtils.getStateListDrawable(
                    Color.rgb(r, g, b), color, UIUtils.dip2px(6));

            // 给TextView设置背景
            view.setBackgroundDrawable(selector);

            // 必须设置点击事件, TextView按下后颜色才会变化
            view.setOnClickListener(new OnClickListener() {

                @Override
                public void onClick(View v) {
                    Toast.makeText(UIUtils.getContext(), str,
                            Toast.LENGTH_SHORT).show();
                }
            });

            // 给自定义控件添加view对象
            flow.addView(view);
        }

        scrollView.addView(flow);

        return scrollView;
    }

    @Override
    public ResultState onLoad() {
        HotProtocol protocol = new HotProtocol();
        mList = protocol.getData(0);
        return check(mList);
    }
}