Kevin Learn Android：流程指示器（二）
2021-07-20 本文已影响0人
Kevin_小飞象
每日一图.jpg
垂直流程指示器
效果图
01.png
代码
1. 自定义垂直指示器 HorizontalStepsViewIndicator.java
/**
* Created on 2021/7/19 14:04
*
* @author Gong Youqiang
*/
public class VerticalStepViewIndicator extends View {
private final String TAG_NAME = this.getClass().getSimpleName();
//定义默认的高度 definition default height
private int defaultStepIndicatorNum = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 40, getResources().getDisplayMetrics());
private float mCompletedLineHeight;//完成线的高度 definition completed line height
private float mCircleRadius;//圆的半径 definition circle radius
private Drawable mCompleteIcon;//完成的默认图片 definition default completed icon
private Drawable mAttentionIcon;//正在进行的默认图片 definition default underway icon
private Drawable mDefaultIcon;//默认的背景图 definition default unCompleted icon
private float mCenterX;//该View的X轴的中间位置
private float mLeftY;
private float mRightY;
private int mStepNum = 0;//当前有几部流程 there are currently few step
private float mLinePadding;//两条连线之间的间距 definition the spacing between the two circles
private List<Float> mCircleCenterPointPositionList;//定义所有圆的圆心点位置的集合 definition all of circles center point list
private Paint mUnCompletedPaint;//未完成Paint definition mUnCompletedPaint
private Paint mCompletedPaint;//完成paint definition mCompletedPaint
private int mUnCompletedLineColor = ContextCompat.getColor(getContext(), R.color.uncompleted_color);//定义默认未完成线的颜色 definition mUnCompletedLineColor
private int mCompletedLineColor = Color.WHITE;//定义默认完成线的颜色 definition mCompletedLineColor
private PathEffect mEffects;
private int mComplectingPosition;//正在进行position underway position
private Path mPath;
private OnDrawIndicatorListener mOnDrawListener;
private Rect mRect;
private int mHeight;//这个控件的动态高度 this view dynamic height
private boolean mIsReverseDraw;//is reverse draw this view;
/**
* 设置监听
*
* @param onDrawListener
*/
public void setOnDrawListener(OnDrawIndicatorListener onDrawListener)
{
mOnDrawListener = onDrawListener;
}
/**
* get圆的半径 get circle radius
*
* @return
*/
public float getCircleRadius()
{
return mCircleRadius;
}
public VerticalStepViewIndicator(Context context)
{
this(context, null);
}
public VerticalStepViewIndicator(Context context, AttributeSet attrs)
{
this(context, attrs, 0);
}
public VerticalStepViewIndicator(Context context, AttributeSet attrs, int defStyle)
{
super(context, attrs, defStyle);
init();
}
/**
* init
*/
private void init()
{
mPath = new Path();
mEffects = new DashPathEffect(new float[]{8, 8, 8, 8}, 1);
mCircleCenterPointPositionList = new ArrayList<>();//初始化
mUnCompletedPaint = new Paint();
mCompletedPaint = new Paint();
mUnCompletedPaint.setAntiAlias(true);
mUnCompletedPaint.setColor(mUnCompletedLineColor);
mUnCompletedPaint.setStyle(Paint.Style.STROKE);
mUnCompletedPaint.setStrokeWidth(2);
mCompletedPaint.setAntiAlias(true);
mCompletedPaint.setColor(mCompletedLineColor);
mCompletedPaint.setStyle(Paint.Style.STROKE);
mCompletedPaint.setStrokeWidth(2);
mUnCompletedPaint.setPathEffect(mEffects);
mCompletedPaint.setStyle(Paint.Style.FILL);
//已经完成线的宽高 set mCompletedLineHeight
mCompletedLineHeight = 0.05f * defaultStepIndicatorNum;
//圆的半径 set mCircleRadius
mCircleRadius = 0.28f * defaultStepIndicatorNum;
//线与线之间的间距 set mLinePadding
mLinePadding = 0.85f * defaultStepIndicatorNum;
mCompleteIcon = ContextCompat.getDrawable(getContext(), R.mipmap.complted);//已经完成的icon
mAttentionIcon = ContextCompat.getDrawable(getContext(), R.mipmap.attention);//正在进行的icon
mDefaultIcon = ContextCompat.getDrawable(getContext(), R.mipmap.default_icon);//未完成的icon
mIsReverseDraw = true;//default draw
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
Log.i(TAG_NAME,"onMeasure");
int width = defaultStepIndicatorNum;
mHeight = 0;
if(mStepNum > 0)
{
//dynamic measure VerticalStepViewIndicator height
mHeight = (int) (getPaddingTop() + getPaddingBottom() + mCircleRadius * 2 * mStepNum + (mStepNum - 1) * mLinePadding);
}
if(MeasureSpec.UNSPECIFIED != MeasureSpec.getMode(widthMeasureSpec))
{
width = Math.min(width, MeasureSpec.getSize(widthMeasureSpec));
}
setMeasuredDimension(width, mHeight);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh)
{
super.onSizeChanged(w, h, oldw, oldh);
Log.i(TAG_NAME,"onSizeChanged");
mCenterX = getWidth() / 2;
mLeftY = mCenterX - (mCompletedLineHeight / 2);
mRightY = mCenterX + (mCompletedLineHeight / 2);
for(int i = 0; i < mStepNum; i++)
{
//reverse draw VerticalStepViewIndicator
if(mIsReverseDraw)
{
mCircleCenterPointPositionList.add(mHeight - (mCircleRadius + i * mCircleRadius * 2 + i * mLinePadding));
} else
{
mCircleCenterPointPositionList.add(mCircleRadius + i * mCircleRadius * 2 + i * mLinePadding);
}
}
/**
* set listener
*/
if(mOnDrawListener != null)
{
mOnDrawListener.ondrawIndicator();
}
}
@Override
protected void onDraw(Canvas canvas)
{
super.onDraw(canvas);
Log.i(TAG_NAME,"onDraw");
if(mOnDrawListener != null)
{
mOnDrawListener.ondrawIndicator();
}
mUnCompletedPaint.setColor(mUnCompletedLineColor);
mCompletedPaint.setColor(mCompletedLineColor);
//-----------------------画线-------draw line-----------------------------------------------
for(int i = 0; i < mCircleCenterPointPositionList.size() - 1; i++)
{
//前一个ComplectedXPosition
final float preComplectedXPosition = mCircleCenterPointPositionList.get(i);
//后一个ComplectedXPosition
final float afterComplectedXPosition = mCircleCenterPointPositionList.get(i + 1);
if(i < mComplectingPosition)//判断在完成之前的所有点
{
//判断在完成之前的所有点，画完成的线，这里是矩形,很细的矩形，类似线，为了做区分，好看些
if(mIsReverseDraw)
{
canvas.drawRect(mLeftY, afterComplectedXPosition + mCircleRadius - 10, mRightY, preComplectedXPosition - mCircleRadius + 10, mCompletedPaint);
} else
{
canvas.drawRect(mLeftY, preComplectedXPosition + mCircleRadius - 10, mRightY, afterComplectedXPosition - mCircleRadius + 10, mCompletedPaint);
}
} else
{
if(mIsReverseDraw)
{
mPath.moveTo(mCenterX, afterComplectedXPosition + mCircleRadius);
mPath.lineTo(mCenterX, preComplectedXPosition - mCircleRadius);
canvas.drawPath(mPath, mUnCompletedPaint);
} else
{
mPath.moveTo(mCenterX, preComplectedXPosition + mCircleRadius);
mPath.lineTo(mCenterX, afterComplectedXPosition - mCircleRadius);
canvas.drawPath(mPath, mUnCompletedPaint);
}
}
}
//-----------------------画线-------draw line-----------------------------------------------
//-----------------------画图标-----draw icon-----------------------------------------------
for(int i = 0; i < mCircleCenterPointPositionList.size(); i++)
{
final float currentComplectedXPosition = mCircleCenterPointPositionList.get(i);
mRect = new Rect((int) (mCenterX - mCircleRadius), (int) (currentComplectedXPosition - mCircleRadius), (int) (mCenterX + mCircleRadius), (int) (currentComplectedXPosition + mCircleRadius));
if(i < mComplectingPosition)
{
mCompleteIcon.setBounds(mRect);
mCompleteIcon.draw(canvas);
} else if(i == mComplectingPosition && mCircleCenterPointPositionList.size() != 1)
{
mCompletedPaint.setColor(Color.WHITE);
canvas.drawCircle(mCenterX, currentComplectedXPosition, mCircleRadius * 1.1f, mCompletedPaint);
mAttentionIcon.setBounds(mRect);
mAttentionIcon.draw(canvas);
} else
{
mDefaultIcon.setBounds(mRect);
mDefaultIcon.draw(canvas);
}
}
//-----------------------画图标-----draw icon-----------------------------------------------
}
/**
* 得到所有圆点所在的位置
*
* @return
*/
public List<Float> getCircleCenterPointPositionList()
{
return mCircleCenterPointPositionList;
}
/**
* 设置流程步数
*
* @param stepNum 流程步数
*/
public void setStepNum(int stepNum)
{
this.mStepNum = stepNum;
requestLayout();
}
/**
*
* 设置线间距的比例系数 set linePadding proportion
* @param linePaddingProportion
*/
public void setIndicatorLinePaddingProportion(float linePaddingProportion)
{
this.mLinePadding = linePaddingProportion * defaultStepIndicatorNum;
}
/**
* 设置正在进行position
*
* @param complectingPosition
*/
public void setComplectingPosition(int complectingPosition)
{
this.mComplectingPosition = complectingPosition;
requestLayout();
}
/**
* 设置未完成线的颜色
*
* @param unCompletedLineColor
*/
public void setUnCompletedLineColor(int unCompletedLineColor)
{
this.mUnCompletedLineColor = unCompletedLineColor;
}
/**
* 设置已完成线的颜色
*
* @param completedLineColor
*/
public void setCompletedLineColor(int completedLineColor)
{
this.mCompletedLineColor = completedLineColor;
}
/**
* is reverse draw 是否倒序画
*/
public void reverseDraw(boolean isReverseDraw)
{
this.mIsReverseDraw = isReverseDraw;
invalidate();
}
/**
* 设置默认图片
*
* @param defaultIcon
*/
public void setDefaultIcon(Drawable defaultIcon)
{
this.mDefaultIcon = defaultIcon;
}
/**
* 设置已完成图片
*
* @param completeIcon
*/
public void setCompleteIcon(Drawable completeIcon)
{
this.mCompleteIcon = completeIcon;
}
/**
* 设置正在进行中的图片
*
* @param attentionIcon
*/
public void setAttentionIcon(Drawable attentionIcon)
{
this.mAttentionIcon = attentionIcon;
}
/**
* 设置对view监听
*/
public interface OnDrawIndicatorListener
{
void ondrawIndicator();
}
}
2. VerticalStepView.java
/**
* Created on 2021/7/19 14:05
*
* @author Gong Youqiang
*/
public class VerticalStepView extends LinearLayout implements VerticalStepViewIndicator.OnDrawIndicatorListener {
private RelativeLayout mTextContainer;
private VerticalStepViewIndicator mStepsViewIndicator;
private List<String> mTexts;
private int mComplectingPosition;
private int mUnComplectedTextColor = ContextCompat.getColor(getContext(), R.color.uncompleted_text_color);//定义默认未完成文字的颜色;
private int mComplectedTextColor = ContextCompat.getColor(getContext(), android.R.color.white);//定义默认完成文字的颜色;
private int mTextSize = 14;//default textSize
private TextView mTextView;
public VerticalStepView(Context context)
{
this(context, null);
}
public VerticalStepView(Context context, AttributeSet attrs)
{
this(context, attrs, 0);
}
public VerticalStepView(Context context, AttributeSet attrs, int defStyleAttr)
{
super(context, attrs, defStyleAttr);
init();
}
private void init()
{
View rootView = LayoutInflater.from(getContext()).inflate(R.layout.widget_vertical_stepsview, this);
mStepsViewIndicator = (VerticalStepViewIndicator) rootView.findViewById(R.id.steps_indicator);
mStepsViewIndicator.setOnDrawListener(this);
mTextContainer = (RelativeLayout) rootView.findViewById(R.id.rl_text_container);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
/**
* 设置显示的文字
*
* @param texts
* @return
*/
public VerticalStepView setStepViewTexts(List<String> texts)
{
mTexts = texts;
if(texts != null){
mStepsViewIndicator.setStepNum(mTexts.size());
}else{
mStepsViewIndicator.setStepNum(0);
}
return this;
}
/**
* 设置正在进行的position
*
* @param complectingPosition
* @return
*/
public VerticalStepView setStepsViewIndicatorComplectingPosition(int complectingPosition)
{
mComplectingPosition = complectingPosition;
mStepsViewIndicator.setComplectingPosition(complectingPosition);
return this;
}
/**
* 设置未完成文字的颜色
*
* @param unComplectedTextColor
* @return
*/
public VerticalStepView setStepViewUnComplectedTextColor(int unComplectedTextColor)
{
mUnComplectedTextColor = unComplectedTextColor;
return this;
}
/**
* 设置完成文字的颜色
*
* @param complectedTextColor
* @return
*/
public VerticalStepView setStepViewComplectedTextColor(int complectedTextColor)
{
this.mComplectedTextColor = complectedTextColor;
return this;
}
/**
* 设置StepsViewIndicator未完成线的颜色
*
* @param unCompletedLineColor
* @return
*/
public VerticalStepView setStepsViewIndicatorUnCompletedLineColor(int unCompletedLineColor)
{
mStepsViewIndicator.setUnCompletedLineColor(unCompletedLineColor);
return this;
}
/**
* 设置StepsViewIndicator完成线的颜色
*
* @param completedLineColor
* @return
*/
public VerticalStepView setStepsViewIndicatorCompletedLineColor(int completedLineColor)
{
mStepsViewIndicator.setCompletedLineColor(completedLineColor);
return this;
}
/**
* 设置StepsViewIndicator默认图片
*
* @param defaultIcon
*/
public VerticalStepView setStepsViewIndicatorDefaultIcon(Drawable defaultIcon)
{
mStepsViewIndicator.setDefaultIcon(defaultIcon);
return this;
}
/**
* 设置StepsViewIndicator已完成图片
*
* @param completeIcon
*/
public VerticalStepView setStepsViewIndicatorCompleteIcon(Drawable completeIcon)
{
mStepsViewIndicator.setCompleteIcon(completeIcon);
return this;
}
/**
* 设置StepsViewIndicator正在进行中的图片
*
* @param attentionIcon
*/
public VerticalStepView setStepsViewIndicatorAttentionIcon(Drawable attentionIcon)
{
mStepsViewIndicator.setAttentionIcon(attentionIcon);
return this;
}
/**
* is reverse draw 是否倒序画
*
* @param isReverSe default is true
* @return
*/
public VerticalStepView reverseDraw(boolean isReverSe)
{
this.mStepsViewIndicator.reverseDraw(isReverSe);
return this;
}
/**
* set linePadding proportion 设置线间距的比例系数
*
* @param linePaddingProportion
* @return
*/
public VerticalStepView setLinePaddingProportion(float linePaddingProportion)
{
this.mStepsViewIndicator.setIndicatorLinePaddingProportion(linePaddingProportion);
return this;
}
/**
* set textSize
*
* @param textSize
* @return
*/
public VerticalStepView setTextSize(int textSize)
{
if(textSize > 0)
{
mTextSize = textSize;
}
return this;
}
@Override
public void ondrawIndicator()
{
if(mTextContainer != null)
{
mTextContainer.removeAllViews();//clear ViewGroup
List<Float> complectedXPosition = mStepsViewIndicator.getCircleCenterPointPositionList();
if(mTexts != null && complectedXPosition != null && complectedXPosition.size() > 0)
{
for(int i = 0; i < mTexts.size(); i++)
{
mTextView = new TextView(getContext());
mTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, mTextSize);
mTextView.setText(mTexts.get(i));
mTextView.setY(complectedXPosition.get(i) - mStepsViewIndicator.getCircleRadius() / 2);
mTextView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
if(i <= mComplectingPosition)
{
mTextView.setTypeface(null, Typeface.BOLD);
mTextView.setTextColor(mComplectedTextColor);
} else
{
mTextView.setTextColor(mUnComplectedTextColor);
}
mTextContainer.addView(mTextView);
}
}
}
}
}
3. 使用
布局文件
<?xml version="1.0" encoding="utf-8"?>
<androidx.core.widget.NestedScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/colorPrimary">
<com.hk.launcherdemo.widget.stepview.VerticalStepView
android:id="@+id/stepView"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
</androidx.core.widget.NestedScrollView>
代码逻辑
public class StepViewActivity extends BaseActivity {
@BindView(R.id.stepView)
VerticalStepView mStepView;
private List<String> stepsBeanList;
@Override
public int getLayoutId() {
return R.layout.activity_step_view;
}
@Override
public void initView() {
initData();
mStepView.setStepsViewIndicatorComplectingPosition(stepsBeanList.size() - 2)//设置完成的步数
.reverseDraw(false)//default is true
.setTextSize(14)
.setStepViewTexts(stepsBeanList)//总步骤
.setStepsViewIndicatorCompletedLineColor(ContextCompat.getColor(this, android.R.color.white))//设置StepsViewIndicator完成线的颜色
.setStepsViewIndicatorUnCompletedLineColor(ContextCompat.getColor(this, R.color.uncompleted_text_color))//设置StepsViewIndicator未完成线的颜色
.setStepViewComplectedTextColor(ContextCompat.getColor(this, android.R.color.white))//设置StepsView text完成线的颜色
.setStepViewUnComplectedTextColor(ContextCompat.getColor(this, R.color.uncompleted_text_color))//设置StepsView text未完成线的颜色
.setStepsViewIndicatorCompleteIcon(ContextCompat.getDrawable(this, R.mipmap.complted))//设置StepsViewIndicator CompleteIcon
.setStepsViewIndicatorDefaultIcon(ContextCompat.getDrawable(this, R.mipmap.default_icon))//设置StepsViewIndicator DefaultIcon
.setStepsViewIndicatorAttentionIcon(ContextCompat.getDrawable(this, R.mipmap.attention));//设置StepsViewIndicator AttentionIcon
}
private void initData() {
stepsBeanList = new ArrayList<>();
stepsBeanList.add("您已提交定单，等待系统确认");
stepsBeanList.add("您的商品需要从外地调拨，我们会尽快处理，请耐心等待");
stepsBeanList.add("您的订单已经进入亚洲第一仓储中心1号库准备出库");
stepsBeanList.add("您的订单预计6月23日送达您的手中，618期间促销火爆，可能影响送货时间，请您谅解，我们会第一时间送到您的手中");
stepsBeanList.add("您的订单已打印完毕");
stepsBeanList.add("您的订单已拣货完成");
stepsBeanList.add("扫描员已经扫描");
stepsBeanList.add("打包成功");
stepsBeanList.add("您的订单在京东【华东外单分拣中心】发货完成，准备送往京东【北京通州分拣中心】");
stepsBeanList.add("您的订单在京东【北京通州分拣中心】分拣完成");
stepsBeanList.add("您的订单在京东【北京通州分拣中心】发货完成，准备送往京东【北京中关村大厦站】");
stepsBeanList.add("您的订单在京东【北京中关村大厦站】验货完成，正在分配配送员");
stepsBeanList.add("配送员【李四】已出发，联系电话【130-0000-0000】，感谢您的耐心等待，参加评价还能赢取好多礼物哦");
stepsBeanList.add("感谢你在京东购物，欢迎你下次光临！");
}
}
