private Paint mPaint;
/**
*/
private float timelineHeadRadius;
/**
*/
private int timelineHeadColor;
/**
*/
private int timelineHeadColorEdge;
/**
*/
private int timelineOtherColor;
/**
*/
private int timelineCount;
/**
*/
private int viewWidth;
/**
*/
private int marginTop;
/**
*/
private int timelineRadius;
/**
*/
private int timelineRadiusDistance;
/**
*/
private int timelineWidth;
/**
*/
private float timeLineViewHeight;
public TimeLineView(Context context) {
this(context, null);
}
public TimeLineView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public TimeLineView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(context, attrs, defStyle);
}
/**
初始化
@param context
@param attrs
@param defStyle
*/
private void init(Context context, AttributeSet attrs, int defStyle) {
final TypedArray a = getContext().obtainStyledAttributes(attrs,
R.styleable.TimeLineView, defStyle, 0);
timelineRadiusDistance = (int) a.getDimension(
R.styleable.TimeLineView_timelineRadiusDistance,
convertDIP2PX(context, 20));
timelineHeadRadius = a.getDimension(
R.styleable.TimeLineView_timelineHeadRadius,
convertDIP2PX(context, 6));
timelineRadius = (int) a.getDimension(
R.styleable.TimeLineView_timelineRadius,
convertDIP2PX(context, 5));
timelineHeadColor = a.getColor(
R.styleable.TimeLineView_timelineHeadColor,
Color.parseColor(“#25ae5f”)); // 中心深色
timelineHeadColorEdge = a.getColor(
R.styleable.TimeLineView_timelineHeadColorEdge,
Color.parseColor(“#b9e5cc”)); // 边缘浅色
timelineOtherColor = a.getColor(
R.styleable.TimeLineView_timelineOtherColor,
Color.pa 《Android学习笔记总结+最新移动架构视频+大厂安卓面试真题+项目实战源码讲义》无偿开源 徽信搜索公众号【编程进阶路】 rseColor(“#cccccc”));
timelineCount = a.getInteger(R.styleable.TimeLineView_timelineCount, 0);
timelineWidth = (int) a.getDimension(
R.styleable.TimeLineView_timelineWidth,
convertDIP2PX(context, 1));
marginTop = (int) a.getDimension(
R.styleable.TimeLineView_timelineMarginTop,
convertDIP2PX(context, 50));
a.recycle();
mPaint = new Paint();
mPaint.setAntiAlias(true);
}
@Override
protected void onDraw(Canvas canvas) {
// 默认设置时间轴的位置位于view的中间
viewWidth = getMeasuredWidth() / 2;
// 设置第一个节点的颜色
mPaint.setColor(timelineHeadColor);
/**
*/
for (int j = 1; j <= timelineCount; j++) {
/**
*/
if (j == 1) {
// 画笔设置为空心
canvas.drawCircle(viewWidth, timelineHeadRadius + marginTop,
timelineRadius, mPaint);
mPaint.setStyle(Paint.Style.STROKE);
mPaint.setStrokeWidth(5.0f);
// 画第一个节点外围的圆环
mPaint.setColor(timelineHeadColorEdge);
canvas.drawCircle(viewWidth, timelineHeadRadius + marginTop,
timelineHeadRadius, mPaint);
// 设置画笔颜色,画其他时间节点的颜色
mPaint.setColor(timelineOtherColor);
// 画笔设置为实心
mPaint.setStyle(Paint.Style.FILL);
/**
*/
canvas.drawRect(new Rect(viewWidth - timelineWidth / 2,
(int) (2 * timelineHeadRadius + marginTop) + 5,
viewWidth + timelineWidth / 2, (int) (2
continue;
}
/**
画时间轴的节点,即画圆形 圆心的x都是一样的,view的中间
圆心的y的计算是根据节点的位置来计算的,例如:第一个节点的y是根据第一个节点距离上面的距离加上第一个节点的半径
:timelineHeadRadius + marginTop
其余的节点就是在一个节点的y的基础上,加上两倍半径和节点之间的轴的长度*节点数:(2 * timelineRadius +
timelineRadiusDistance) * (j - 1) + timelineHeadRadius -
timelineRadius + marginTop
*/
canvas.drawCircle(viewWidth,
(2 * timelineRadius + timelineRadiusDistance) * (j - 1) + 2
timelineRadius, mPaint);
/**
画其余的轴 left:每个轴距离左边距离都是一样的 时间轴的中心位置-1/2的时间轴的宽度 viewWidth -
timelineWidth / 2 top: (int) (j * (2 * timelineRadius +
timelineRadiusDistance) - timelineRadiusDistance + 2 *
(timelineHeadRadius-timelineRadius)+ marginTop)
right:每个轴距离右边距离都是一样的 时间轴的中心位置+1/2的时间轴的宽度 viewWidth +
timelineWidth / 2 bottom: (int) (j * (2 * timelineRadius +
timelineRadiusDistance) + 2 *
(timelineHeadRadius-timelineRadius)+ marginTop)
*/
canvas.drawRect(
new Rect(
viewWidth - timelineWidth / 2,
(int) (j
viewWidth + timelineWidth / 2,
(int) (j
mPaint);
}
}
public float getTimelineHeadRadius() {
return timelineHeadRadius;
}
public void setTimelineHeadRadius(float timelineHeadRadius) {