Android 自定义View时间任务节点

import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.ScaleGestureDetector;
import android.view.View;
import android.view.animation.AccelerateDecelerateInterpolator;
import android.widget.Toast;

import com.iec.hydropath10.R;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Locale;

public class TimeRulerViewV3 extends View {

    private List<Long> timeNodes; // 时间节点集合
    private static final int TICK_HEIGHT_MAJOR = 40;
    private static final int TICK_HEIGHT_MINOR = 20;
    private static final int TEXT_SIZE = 30;
    private static final int BORDER_WIDTH = 5;

    private int tickIntervalMinutes=0;

    private static final long MINIMUM_TIME_RANGE = 15 * 60 * 1000; // 15 minutes

    private Date startTime;
    private Date endTime;
    private float lastX;
    private long currentTime;

    private int scaleRulerColor;//刻度尺
    private int scaleMarkColor;//刻度标

    private int hourColor;//时针颜色

    private int MINUTECOLOR;//分针颜色;

    private int RulerColor; //尺身边框颜色

    private Bitmap bitmap; //摄像头
    /**
     * 动画部分
     */
    private ObjectAnimator animator;
    private Paint paint;
    private float translationX;


    public void setRulerColor(int rulerColor) {
        RulerColor = rulerColor;
    }

    public void setMINUTECOLOR(int MINUTECOLOR) {
        this.MINUTECOLOR = MINUTECOLOR;
    }

    public void setHourColor(int hourColor) {
        this.hourColor = hourColor;
    }

    public void setScaleRulerColor(int scaleRulerColor) {
        this.scaleRulerColor = scaleRulerColor;
    }

    public void setScaleMarkColor(int scaleMarkColor) {
        this.scaleMarkColor = scaleMarkColor;
    }

    private ScaleGestureDetector scaleGestureDetector;

    public TimeRulerViewV3(Context context) {
        super(context);
        init();
    }

    public TimeRulerViewV3(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public TimeRulerViewV3(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init();
    }

    private void init() {
        paint = new Paint();
        paint.setAntiAlias(true); // 启用抗锯齿
        paint.setTextSize(TEXT_SIZE);
        paint.setTextAlign(Paint.Align.LEFT);
        currentTime = System.currentTimeMillis();
        startTime = new Date(currentTime);
        endTime = new Date(currentTime + 3 * 60 * 60 * 1000); // 3 hours from now
        scaleGestureDetector = new ScaleGestureDetector(getContext(), new ScaleListener());
        animator = ObjectAnimator.ofFloat(this, "alpha", 0f, 1f);
        animator.setDuration(1500); // 动画持续时间为1秒
        animator.setInterpolator(new AccelerateDecelerateInterpolator());
        timeNodes = n