Android仿芝麻信用分

最新推荐文章于 2021-06-02 15:47:22 发布

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最新推荐文章于 2021-06-02 15:47:22 发布

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分类专栏：移动开发

本文链接：https://blog.youkuaiyun.com/HiSunyl/article/details/88812374

本文介绍了如何在Android平台上仿造芝麻信用分的显示效果，包括准备相关图片、创建自定义View CreditScoreView、利用DensityUtils处理像素适配，以及在XML布局中添加并设置背景。按照步骤操作后，即可在应用中看到类似芝麻信用分的展示。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

1.先准备好图片

2.新建一个CreditScoreView类，继承View

public class CreditScoreView extends View {

    //数据个数
    private int dataCount = 5;
    //每个角的弧度
    private float radian = (float) (Math.PI * 2 / dataCount);
    //雷达图半径
    private float radius;
    //中心X坐标
    private int centerX;
    //中心Y坐标
    private int centerY;
    //各维度标题
    private String[] titles = {"履约能力", "信用历史", "人脉关系", "行为偏好", "身份特质"};
    //各维度图标
    private int[] icons = {R.mipmap.ic_performance, R.mipmap.ic_history, R.mipmap.ic_contacts,
            R.mipmap.ic_predilection, R.mipmap.ic_identity};
    //各维度分值
    private float[] data = {170, 180, 160, 170, 180};
    //数据最大值
    private float maxValue = 190;
    //雷达图与标题的间距
    private int radarMargin = DensityUtils.dp2px(getContext(), 15);
    //雷达区画笔
    private Paint mainPaint;
    //数据区画笔
    private Paint valuePaint;
    //分数画笔
    private Paint scorePaint;
    //标题画笔
    private Paint titlePaint;
    //图标画笔
    private Paint iconPaint;
    //分数大小
    private int scoreSize = DensityUtils.dp2px(getContext(), 28);
    //标题文字大小
    private int titleSize = DensityUtils.dp2px(getContext(), 13);

    public CreditScoreView(Context context) {
        this(context, null);
    }

    public CreditScoreView(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public CreditScoreView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init();
    }

    private void init() {
        mainPaint = new Paint();
        mainPaint.setAntiAlias(true);
        mainPaint.setStrokeWidth(0.3f);
        mainPaint.setColor(Color.WHITE);
        mainPaint.setStyle(Paint.Style.STROKE);

        valuePaint = new Paint();
        valuePaint.setAntiAlias(true);
        valuePaint.setColor(Color.WHITE);
        valuePaint.setAlpha(120);
        valuePaint.setStyle(Paint.Style.FILL_AND_STROKE);

        scorePaint = new Paint();
        scor