Android 自定义时间控件

小鱼儿 2022-06-05 01:06 510阅读 0赞

如何自定义一个时间控件：demo项目地址在文章最下方：

运行案例：

![Image 1][]

![Center][]

实现步骤：

1.自定义时间的控件的绘制(如何绘制自己喜欢的时间样式)

public class DatePickerView extends View \{

private Context context;

private boolean loop = true;

public static final float MARGIN\_ALPHA = 2.8f;

private List<String> mDataList;

private int mCurrentSelected;

private Paint mPaint, nPaint;

private float mMaxTextSize = 80;

private float mMinTextSize = 40;

private float mMaxTextAlpha = 255;

private float mMinTextAlpha = 120;

private int mViewHeight;

private int mViewWidth;

private float mLastDownY;

private float mMoveLen = 0;

private boolean isInit = false;

private boolean canScroll = true;

private onSelectListener mSelectListener;

private Timer timer;

private MyTimerTask mTask;

private Handler updateHandler = new Handler() \{

@Override

public void handleMessage(Message msg) \{

if (Math.abs(mMoveLen) < SPEED) \{

mMoveLen = 0;

if (mTask != null) \{

mTask.cancel();

mTask = null;

performSelect();

\} else \{

mMoveLen = mMoveLen - mMoveLen / Math.abs(mMoveLen) \* SPEED;

invalidate();

\};

public DatePickerView(Context context, AttributeSet attrs) \{

super(context, attrs);

this.context = context;

init();

public void setOnSelectListener(onSelectListener listener) \{

mSelectListener = listener;

private void performSelect() \{

if (mSelectListener != null) \{

mSelectListener.onSelect(mDataList.get(mCurrentSelected));

public void setData(List<String> datas) \{

mDataList = datas;

mCurrentSelected = datas.size() / 4;

invalidate();

public void setSelected(int selected) \{

mCurrentSelected = selected;

if (loop) \{

int distance = mDataList.size() / 2 - mCurrentSelected;

if (distance < 0) \{

for (int i = 0; i < -distance; i++) \{

moveHeadToTail();

mCurrentSelected--;

\} else if (distance > 0) \{

for (int i = 0; i < distance; i++) \{

moveTailToHead();

mCurrentSelected++;

invalidate();

public void setSelected(String mSelectItem) \{

for (int i = 0; i < mDataList.size(); i++) \{

if (mDataList.get(i).equals(mSelectItem)) \{

setSelected(i);

break;

private void moveHeadToTail() \{

if (loop) \{

String head = mDataList.get(0);

mDataList.remove(0);

mDataList.add(head);

private void moveTailToHead() \{

if (loop) \{

String tail = mDataList.get(mDataList.size() - 1);

mDataList.remove(mDataList.size() - 1);

mDataList.add(0, tail);

@Override

protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) \{

super.onMeasure(widthMeasureSpec, heightMeasureSpec);

mViewHeight = getMeasuredHeight();

mViewWidth = getMeasuredWidth();

// 按照View的高度计算字体大小

mMaxTextSize = mViewHeight / 7f;

mMinTextSize = mMaxTextSize / 2.2f;

isInit = true;

invalidate();

private void init() \{

timer = new Timer();

mDataList = new ArrayList<>();

//第一个paint

mPaint = new Paint(Paint.ANTI\_ALIAS\_FLAG);

mPaint.setStyle(Style.FILL);

mPaint.setTextAlign(Align.CENTER);

mPaint.setColor(ContextCompat.getColor(context, R.color.text1));

//第二个paint

nPaint = new Paint(Paint.ANTI\_ALIAS\_FLAG);

nPaint.setStyle(Style.FILL);

nPaint.setTextAlign(Align.CENTER);

nPaint.setColor(ContextCompat.getColor(context, R.color.text2));

@Override

protected void onDraw(Canvas canvas) \{

super.onDraw(canvas);

if (isInit) \{

drawData(canvas);

private void drawData(Canvas canvas) \{

float scale = parabola(mViewHeight / 4.0f, mMoveLen);

float size = (mMaxTextSize - mMinTextSize) \* scale + mMinTextSize;

mPaint.setTextSize(size);

mPaint.setAlpha((int) ((mMaxTextAlpha - mMinTextAlpha) \* scale + mMinTextAlpha))

float x = (float) (mViewWidth / 2.0);

float y = (float) (mViewHeight / 2.0 + mMoveLen);

FontMetricsInt fmi = mPaint.getFontMetricsInt();

float baseline = (float) (y - (fmi.bottom / 2.0 + fmi.top / 2.0));

canvas.drawText(mDataList.get(mCurrentSelected), x, baseline, mPaint);

// 绘制上方data

for (int i = 1; (mCurrentSelected - i) >= 0; i++) \{

drawOtherText(canvas, i, -1);

// 绘制下方data

for (int i = 1; (mCurrentSelected + i) < mDataList.size(); i++) \{

drawOtherText(canvas, i, 1);

private void drawOtherText(Canvas canvas, int position, int type) \{

float d = MARGIN\_ALPHA \* mMinTextSize \* position + type \* mMoveLen;

float scale = parabola(mViewHeight / 4.0f, d);

float size = (mMaxTextSize - mMinTextSize) \* scale + mMinTextSize;

nPaint.setTextSize(size);

nPaint.setAlpha((int) ((mMaxTextAlpha - mMinTextAlpha) \* scale + mMinTextAlpha));

float y = (float) (mViewHeight / 2.0 + type \* d);

FontMetricsInt fmi = nPaint.getFontMetricsInt();

float baseline = (float) (y - (fmi.bottom / 2.0 + fmi.top / 2.0));

canvas.drawText(mDataList.get(mCurrentSelected + type \* position),

(float) (mViewWidth / 2.0), baseline, nPaint);

private float parabola(float zero, float x) \{

float f = (float) (1 - Math.pow(x / zero, 2));

return f < 0 ? 0 : f;

@Override

public boolean onTouchEvent(MotionEvent event) \{

switch (event.getActionMasked()) \{

case MotionEvent.ACTION\_DOWN:

doDown(event);

break;

case MotionEvent.ACTION\_MOVE:

mMoveLen += (event.getY() - mLastDownY);

if (mMoveLen > MARGIN\_ALPHA \* mMinTextSize / 2) \{

if (!loop && mCurrentSelected == 0) \{

mLastDownY = event.getY();

invalidate();

return true;

if (!loop) \{

mCurrentSelected--;

// 往下滑超过离开距离

moveTailToHead();

mMoveLen = mMoveLen - MARGIN\_ALPHA \* mMinTextSize;

\} else if (mMoveLen < -MARGIN\_ALPHA \* mMinTextSize / 2) \{

if (mCurrentSelected == mDataList.size() - 1) \{

mLastDownY = event.getY();

invalidate();

return true;

if (!loop) \{

mCurrentSelected++;

// 往上滑超过离开距离

moveHeadToTail();

mMoveLen = mMoveLen + MARGIN\_ALPHA \* mMinTextSize;

mLastDownY = event.getY();

invalidate();

break;

case MotionEvent.ACTION\_UP:

doUp();

break;

return true;

private void doDown(MotionEvent event) \{

if (mTask != null) \{

mTask.cancel();

mTask = null;

mLastDownY = event.getY();

private void doUp() \{

// 抬起手后mCurrentSelected的位置由当前位置move到中间选中位置

if (Math.abs(mMoveLen) < 0.0001) \{

mMoveLen = 0;

return;

if (mTask != null) \{

mTask.cancel();

mTask = null;

mTask = new MyTimerTask(updateHandler);

timer.schedule(mTask, 0, 10);

class MyTimerTask extends TimerTask \{

Handler handler;

public MyTimerTask(Handler handler) \{

this.handler = handler;

@Override

public void run() \{

handler.sendMessage(handler.obtainMessage());

public interface onSelectListener \{

void onSelect(String text);

public void setCanScroll(boolean canScroll) \{

this.canScroll = canScroll;

@Override

public boolean dispatchTouchEvent(MotionEvent event) \{

return canScroll && super.dispatchTouchEvent(event);

public void setIsLoop(boolean isLoop) \{

loop = isLoop;

2。自定义时间控件（功能的实现）

/\*构造方法\*/

public CustomDatePicker(Context context, ResultHandler resultHandler, String startDate, String endDate) \{

if (isValidDate(startDate, "yyyy-MM-dd HH:mm") && isValidDate(endDate, "yyyy-MM-dd HH:mm")) \{

canAccess = true;

this.context = context;

this.handler = resultHandler;

selectedCalender = Calendar.getInstance();

startCalendar = Calendar.getInstance();

endCalendar = Calendar.getInstance();

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm", Locale.CHINA);

try \{

startCalendar.setTime(sdf.parse(startDate));

endCalendar.setTime(sdf.parse(endDate));

\} catch (ParseException e) \{

e.printStackTrace();

initDialog();

initView();

/\*弹出dialog 进行时间的选择\*/

private void initDialog() \{

if (datePickerDialog == null) \{

datePickerDialog = new Dialog(context, R.style.time\_dialog);

datePickerDialog.setCancelable(false);/\*dialog弹出后会点击屏幕或物理放回 dialog不消失\*/

datePickerDialog.requestWindowFeature(Window.FEATURE\_NO\_TITLE);/\*应用程序窗体显示状态操作 无标题\*/

datePickerDialog.setContentView(R.layout.custom\_date\_picker);/\*设置弹出的布局\*/

Window window = datePickerDialog.getWindow();

window.setGravity(Gravity.BOTTOM);/\*在屏幕的下方弹出\*/

WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW\_SERVICE);

DisplayMetrics dm = new DisplayMetrics();

manager.getDefaultDisplay().getMetrics(dm);

/\*更改窗口大小 是先显示出来dialog show出来 才能设置宽高属性\*/

WindowManager.LayoutParams lp = window.getAttributes();

lp.width = dm.widthPixels;

window.setAttributes(lp);

private void initView() \{

year\_pv = (DatePickerView) datePickerDialog.findViewById(R.id.year\_pv);

month\_pv = (DatePickerView) datePickerDialog.findViewById(R.id.month\_pv);

day\_pv = (DatePickerView) datePickerDialog.findViewById(R.id.day\_pv);

hour\_pv = (DatePickerView) datePickerDialog.findViewById(R.id.hour\_pv);

minute\_pv = (DatePickerView) datePickerDialog.findViewById(R.id.minute\_pv);

tv\_cancle = (TextView) datePickerDialog.findViewById(R.id.tv\_cancle);

tv\_select = (TextView) datePickerDialog.findViewById(R.id.tv\_select);

hour\_text = (TextView) datePickerDialog.findViewById(R.id.hour\_text);

minute\_text = (TextView) datePickerDialog.findViewById(R.id.minute\_text);

year\_text= (TextView) datePickerDialog.findViewById(R.id.year\_text);

month\_text= (TextView) datePickerDialog.findViewById(R.id.month\_text);

day\_text= (TextView) datePickerDialog.findViewById(R.id.day\_text);

/\*设置确定和取消按钮的点击事件\*/

tv\_cancle.setOnClickListener(new View.OnClickListener() \{

@Override

public void onClick(View view) \{

datePickerDialog.dismiss();

\});

tv\_select.setOnClickListener(new View.OnClickListener() \{

@Override

public void onClick(View view) \{

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm", Locale.CHINA);

handler.handle(sdf.format(selectedCalender.getTime()));

datePickerDialog.dismiss();

\});

private void initParameter() \{

startYear = startCalendar.get(Calendar.YEAR);

startMonth = startCalendar.get(Calendar.MONTH) + 1;

startDay = startCalendar.get(Calendar.DAY\_OF\_MONTH);

startHour = startCalendar.get(Calendar.HOUR\_OF\_DAY);

startMinute = startCalendar.get(Calendar.MINUTE);

endYear = endCalendar.get(Calendar.YEAR);

endMonth = endCalendar.get(Calendar.MONTH) + 1;

endDay = endCalendar.get(Calendar.DAY\_OF\_MONTH);

endHour = endCalendar.get(Calendar.HOUR\_OF\_DAY);

endMinute = endCalendar.get(Calendar.MINUTE);

spanYear = startYear != endYear;

spanMon = (!spanYear) && (startMonth != endMonth);

spanDay = (!spanMon) && (startDay != endDay);

spanHour = (!spanDay) && (startHour != endHour);

spanMin = (!spanHour) && (startMinute != endMinute);

selectedCalender.setTime(startCalendar.getTime());

private void initTimer() \{

initArrayList();

if (spanYear) \{

for (int i = startYear; i <= endYear; i++) \{

year.add(String.valueOf(i));

for (int i = startMonth; i <= MAX\_MONTH; i++) \{

month.add(formatTimeUnit(i));

for (int i = startDay; i <= startCalendar.getActualMaximum(Calendar.DAY\_OF\_MONTH); i++) \{

day.add(formatTimeUnit(i));

if ((scrollUnits & SCROLL\_TYPE.HOUR.value) != SCROLL\_TYPE.HOUR.value) \{

hour.add(formatTimeUnit(startHour));

\} else \{

for (int i = startHour; i <= MAX\_HOUR; i++) \{

hour.add(formatTimeUnit(i));

if ((scrollUnits & SCROLL\_TYPE.MINUTE.value) != SCROLL\_TYPE.MINUTE.value) \{

minute.add(formatTimeUnit(startMinute));

\} else \{

for (int i = startMinute; i <= MAX\_MINUTE; i++) \{

minute.add(formatTimeUnit(i));

\} else if (spanMon) \{

year.add(String.valueOf(startYear));

for (int i = startMonth; i <= endMonth; i++) \{

month.add(formatTimeUnit(i));

for (int i = startDay; i <= startCalendar.getActualMaximum(Calendar.DAY\_OF\_MONTH); i++) \{

day.add(formatTimeUnit(i));

if ((scrollUnits & SCROLL\_TYPE.HOUR.value) != SCROLL\_TYPE.HOUR.value) \{

hour.add(formatTimeUnit(startHour));

\} else \{

for (int i = startHour; i <= MAX\_HOUR; i++) \{

hour.add(formatTimeUnit(i));

if ((scrollUnits & SCROLL\_TYPE.MINUTE.value) != SCROLL\_TYPE.MINUTE.value) \{

minute.add(formatTimeUnit(startMinute));

\} else \{

for (int i = startMinute; i <= MAX\_MINUTE; i++) \{

minute.add(formatTimeUnit(i));

\} else if (spanDay) \{

year.add(String.valueOf(startYear));

month.add(formatTimeUnit(startMonth));

for (int i = startDay; i <= endDay; i++) \{

day.add(formatTimeUnit(i));

if ((scrollUnits & SCROLL\_TYPE.HOUR.value) != SCROLL\_TYPE.HOUR.value) \{

hour.add(formatTimeUnit(startHour));

\} else \{

for (int i = startHour; i <= MAX\_HOUR; i++) \{

hour.add(formatTimeUnit(i));

if ((scrollUnits & SCROLL\_TYPE.MINUTE.value) != SCROLL\_TYPE.MINUTE.value) \{

minute.add(formatTimeUnit(startMinute));

\} else \{

for (int i = startMinute; i <= MAX\_MINUTE; i++) \{

minute.add(formatTimeUnit(i));

\} else if (spanHour) \{

year.add(String.valueOf(startYear));

month.add(formatTimeUnit(startMonth));

day.add(formatTimeUnit(startDay));

if ((scrollUnits & SCROLL\_TYPE.HOUR.value) != SCROLL\_TYPE.HOUR.value) \{

hour.add(formatTimeUnit(startHour));

\} else \{

for (int i = startHour; i <= endHour; i++) \{

hour.add(formatTimeUnit(i));

if ((scrollUnits & SCROLL\_TYPE.MINUTE.value) != SCROLL\_TYPE.MINUTE.value) \{

minute.add(formatTimeUnit(startMinute));

\} else \{

for (int i = startMinute; i <= MAX\_MINUTE; i++) \{

minute.add(formatTimeUnit(i));

\} else if (spanMin) \{

year.add(String.valueOf(startYear));

month.add(formatTimeUnit(startMonth));

day.add(formatTimeUnit(startDay));

hour.add(formatTimeUnit(startHour));

if ((scrollUnits & SCROLL\_TYPE.MINUTE.value) != SCROLL\_TYPE.MINUTE.value) \{

minute.add(formatTimeUnit(startMinute));

\} else \{

for (int i = startMinute; i <= endMinute; i++) \{

minute.add(formatTimeUnit(i));

loadComponent();

/\*\*

\* 将“0-9”转换为“00-09”

\*/

private String formatTimeUnit(int unit) \{

return unit < 10 ? "0" + String.valueOf(unit) : String.valueOf(unit);

private void initArrayList() \{

if (year == null) year = new ArrayList<>();

if (month == null) month = new ArrayList<>();

if (day == null) day = new ArrayList<>();

if (hour == null) hour = new ArrayList<>();

if (minute == null) minute = new ArrayList<>();

year.clear();

month.clear();

day.clear();

hour.clear();

minute.clear();

private void loadComponent() \{

year\_pv.setData(year);

month\_pv.setData(month);

day\_pv.setData(day);

hour\_pv.setData(hour);

minute\_pv.setData(minute);

year\_pv.setSelected(0);

month\_pv.setSelected(0);

day\_pv.setSelected(0);

hour\_pv.setSelected(0);

minute\_pv.setSelected(0);

executeScroll();

private void addListener() \{

year\_pv.setOnSelectListener(new DatePickerView.onSelectListener() \{

@Override

public void onSelect(String text) \{

selectedCalender.set(Calendar.YEAR, Integer.parseInt(text));

monthChange();

\});

month\_pv.setOnSelectListener(new DatePickerView.onSelectListener() \{

@Override

public void onSelect(String text) \{

selectedCalender.set(Calendar.DAY\_OF\_MONTH, 1);

selectedCalender.set(Calendar.MONTH, Integer.parseInt(text) - 1);

dayChange();

\});

day\_pv.setOnSelectListener(new DatePickerView.onSelectListener() \{

@Override

public void onSelect(String text) \{

selectedCalender.set(Calendar.DAY\_OF\_MONTH, Integer.parseInt(text));

hourChange();

\});

hour\_pv.setOnSelectListener(new DatePickerView.onSelectListener() \{

@Override

public void onSelect(String text) \{

selectedCalender.set(Calendar.HOUR\_OF\_DAY, Integer.parseInt(text));

minuteChange();

\});

minute\_pv.setOnSelectListener(new DatePickerView.onSelectListener() \{

@Override

public void onSelect(String text) \{

selectedCalender.set(Calendar.MINUTE, Integer.parseInt(text));

\});

private void monthChange() \{

month.clear();

int selectedYear = selectedCalender.get(Calendar.YEAR);

if (selectedYear == startYear) \{

for (int i = startMonth; i <= MAX\_MONTH; i++) \{

month.add(formatTimeUnit(i));

\} else if (selectedYear == endYear) \{

for (int i = 1; i <= endMonth; i++) \{

month.add(formatTimeUnit(i));

\} else \{

for (int i = 1; i <= MAX\_MONTH; i++) \{

month.add(formatTimeUnit(i));

selectedCalender.set(Calendar.MONTH, Integer.parseInt(month.get(0)) - 1);

month\_pv.setData(month);

month\_pv.setSelected(0);

executeAnimator(month\_pv);

month\_pv.postDelayed(new Runnable() \{

@Override

public void run() \{

dayChange();

\}, 100);

private void dayChange() \{

day.clear();

int selectedYear = selectedCalender.get(Calendar.YEAR);

int selectedMonth = selectedCalender.get(Calendar.MONTH) + 1;

if (selectedYear == startYear && selectedMonth == startMonth) \{

for (int i = startDay; i <= selectedCalender.getActualMaximum(Calendar.DAY\_OF\_MONTH); i++) \{

day.add(formatTimeUnit(i));

\} else if (selectedYear == endYear && selectedMonth == endMonth) \{

for (int i = 1; i <= endDay; i++) \{

day.add(formatTimeUnit(i));

\} else \{

for (int i = 1; i <= selectedCalender.getActualMaximum(Calendar.DAY\_OF\_MONTH); i++) \{

day.add(formatTimeUnit(i));

selectedCalender.set(Calendar.DAY\_OF\_MONTH, Integer.parseInt(day.get(0)));

day\_pv.setData(day);

day\_pv.setSelected(0);

executeAnimator(day\_pv);

day\_pv.postDelayed(new Runnable() \{

@Override

public void run() \{

hourChange();

\}, 100);

private void hourChange() \{

if ((scrollUnits & SCROLL\_TYPE.HOUR.value) == SCROLL\_TYPE.HOUR.value) \{

hour.clear();

int selectedYear = selectedCalender.get(Calendar.YEAR);

int selectedMonth = selectedCalender.get(Calendar.MONTH) + 1;

int selectedDay = selectedCalender.get(Calendar.DAY\_OF\_MONTH);

if (selectedYear == startYear && selectedMonth == startMonth && selectedDay == startDay) \{

for (int i = startHour; i <= MAX\_HOUR; i++) \{

hour.add(formatTimeUnit(i));

\} else if (selectedYear == endYear && selectedMonth == endMonth && selectedDay == endDay) \{

for (int i = MIN\_HOUR; i <= endHour; i++) \{

hour.add(formatTimeUnit(i));

\} else \{

for (int i = MIN\_HOUR; i <= MAX\_HOUR; i++) \{

hour.add(formatTimeUnit(i));

selectedCalender.set(Calendar.HOUR\_OF\_DAY, Integer.parseInt(hour.get(0)));

hour\_pv.setData(hour);

hour\_pv.setSelected(0);

executeAnimator(hour\_pv);

hour\_pv.postDelayed(new Runnable() \{

@Override

public void run() \{

minuteChange();

\}, 100);

private void minuteChange() \{

if ((scrollUnits & SCROLL\_TYPE.MINUTE.value) == SCROLL\_TYPE.MINUTE.value) \{

minute.clear();

int selectedYear = selectedCalender.get(Calendar.YEAR);

int selectedMonth = selectedCalender.get(Calendar.MONTH) + 1;

int selectedDay = selectedCalender.get(Calendar.DAY\_OF\_MONTH);

int selectedHour = selectedCalender.get(Calendar.HOUR\_OF\_DAY);

if (selectedYear == startYear && selectedMonth == startMonth && selectedDay == startDay && selectedHour == startHour) \{

for (int i = startMinute; i <= MAX\_MINUTE; i++) \{

minute.add(formatTimeUnit(i));

\} else if (selectedYear == endYear && selectedMonth == endMonth && selectedDay == endDay && selectedHour == endHour) \{

for (int i = MIN\_MINUTE; i <= endMinute; i++) \{

minute.add(formatTimeUnit(i));

\} else \{

for (int i = MIN\_MINUTE; i <= MAX\_MINUTE; i++) \{

minute.add(formatTimeUnit(i));

selectedCalender.set(Calendar.MINUTE, Integer.parseInt(minute.get(0)));

minute\_pv.setData(minute);

minute\_pv.setSelected(0);

executeAnimator(minute\_pv);

executeScroll();

/\*设置动画 当滚动的时候\*/

private void executeAnimator(View view) \{

PropertyValuesHolder pvhX = PropertyValuesHolder.ofFloat("alpha", 1f, 0f, 1f);

PropertyValuesHolder pvhY = PropertyValuesHolder.ofFloat("scaleX", 1f, 1.3f, 1f);

PropertyValuesHolder pvhZ = PropertyValuesHolder.ofFloat("scaleY", 1f, 1.3f, 1f);

ObjectAnimator.ofPropertyValuesHolder(view, pvhX, pvhY, pvhZ).setDuration(200).start();

private void executeScroll() \{

year\_pv.setCanScroll(year.size() > 1);

month\_pv.setCanScroll(month.size() > 1);

day\_pv.setCanScroll(day.size() > 1);

hour\_pv.setCanScroll(hour.size() > 1 && (scrollUnits & SCROLL\_TYPE.HOUR.value) == SCROLL\_TYPE.HOUR.value);

minute\_pv.setCanScroll(minute.size() > 1 && (scrollUnits & SCROLL\_TYPE.MINUTE.value) == SCROLL\_TYPE.MINUTE.value);

private int disScrollUnit(SCROLL\_TYPE... scroll\_types) \{

if (scroll\_types == null || scroll\_types.length == 0) \{

scrollUnits = SCROLL\_TYPE.HOUR.value + SCROLL\_TYPE.MINUTE.value;

\} else \{

for (SCROLL\_TYPE scroll\_type : scroll\_types) \{

scrollUnits ^= scroll\_type.value;

return scrollUnits;

public void show(String time) \{

if (canAccess) \{

if (isValidDate(time, "yyyy-MM-dd")) \{

if (startCalendar.getTime().getTime() < endCalendar.getTime().getTime()) \{

canAccess = true;

initParameter();

initTimer();

addListener();

setSelectedTime(time);

datePickerDialog.show();

\}else if(isValidDate(time, "yyyy-MM-dd HH:mm"))\{

if (startCalendar.getTime().getTime() < endCalendar.getTime().getTime()) \{

canAccess = true;

initParameter();

initTimer();

addListener();

setSelectedTime(time);

datePickerDialog.show();

\}else\{

canAccess = false;

/\*\*

\* 设置日期控件是否显示时和分

\*/

public void showSpecificTime(boolean show) \{

if (canAccess) \{

if (show) \{

disScrollUnit();

hour\_pv.setVisibility(View.VISIBLE);

hour\_text.setVisibility(View.VISIBLE);

minute\_pv.setVisibility(View.VISIBLE);

minute\_text.setVisibility(View.VISIBLE);

year\_pv.setVisibility(View.GONE);

month\_pv.setVisibility(View.GONE);

day\_pv.setVisibility(View.GONE);

year\_text.setVisibility(View.GONE);

month\_text.setVisibility(View.GONE);

day\_text.setVisibility(View.GONE);

\} else \{

disScrollUnit(SCROLL\_TYPE.HOUR, SCROLL\_TYPE.MINUTE);

hour\_pv.setVisibility(View.GONE);

hour\_text.setVisibility(View.GONE);

minute\_pv.setVisibility(View.GONE);

minute\_text.setVisibility(View.GONE);

/\*\*

\* 设置日期控件是否可以循环滚动

\*/

public void setIsLoop(boolean isLoop) \{

if (canAccess) \{

this.year\_pv.setIsLoop(isLoop);

this.month\_pv.setIsLoop(isLoop);

this.day\_pv.setIsLoop(isLoop);

this.hour\_pv.setIsLoop(isLoop);

this.minute\_pv.setIsLoop(isLoop);

/\*\*

\* 设置日期控件默认选中的时间

\*/

public void setSelectedTime(String time) \{

if (canAccess) \{

String\[\] str = time.split(" ");

String\[\] dateStr = str\[0\].split("-");

year\_pv.setSelected(dateStr\[0\]);

selectedCalender.set(Calendar.YEAR, Integer.parseInt(dateStr\[0\]));

month.clear();

int selectedYear = selectedCalender.get(Calendar.YEAR);

if (selectedYear == startYear) \{

for (int i = startMonth; i <= MAX\_MONTH; i++) \{

month.add(formatTimeUnit(i));

\} else if (selectedYear == endYear) \{

for (int i = 1; i <= endMonth; i++) \{

month.add(formatTimeUnit(i));

\} else \{

for (int i = 1; i <= MAX\_MONTH; i++) \{

month.add(formatTimeUnit(i));

month\_pv.setData(month);

month\_pv.setSelected(dateStr\[1\]);

selectedCalender.set(Calendar.MONTH, Integer.parseInt(dateStr\[1\]) - 1);

executeAnimator(month\_pv);

day.clear();

int selectedMonth = selectedCalender.get(Calendar.MONTH) + 1;

if (selectedYear == startYear && selectedMonth == startMonth) \{

for (int i = startDay; i <= selectedCalender.getActualMaximum(Calendar.DAY\_OF\_MONTH); i++) \{

day.add(formatTimeUnit(i));

\} else if (selectedYear == endYear && selectedMonth == endMonth) \{

for (int i = 1; i <= endDay; i++) \{

day.add(formatTimeUnit(i));

\} else \{

for (int i = 1; i <= selectedCalender.getActualMaximum(Calendar.DAY\_OF\_MONTH); i++) \{

day.add(formatTimeUnit(i));

day\_pv.setData(day);

day\_pv.setSelected(dateStr\[2\]);

selectedCalender.set(Calendar.DAY\_OF\_MONTH, Integer.parseInt(dateStr\[2\]));

executeAnimator(day\_pv);

if (str.length == 2) \{

String\[\] timeStr = str\[1\].split(":");

if ((scrollUnits & SCROLL\_TYPE.HOUR.value) == SCROLL\_TYPE.HOUR.value) \{

hour.clear();

int selectedDay = selectedCalender.get(Calendar.DAY\_OF\_MONTH);

if (selectedYear == startYear && selectedMonth == startMonth && selectedDay == startDay) \{

for (int i = startHour; i <= MAX\_HOUR; i++) \{

hour.add(formatTimeUnit(i));

\} else if (selectedYear == endYear && selectedMonth == endMonth && selectedDay == endDay) \{

for (int i = MIN\_HOUR; i <= endHour; i++) \{

hour.add(formatTimeUnit(i));

\} else \{

for (int i = MIN\_HOUR; i <= MAX\_HOUR; i++) \{

hour.add(formatTimeUnit(i));

hour\_pv.setData(hour);

hour\_pv.setSelected(timeStr\[0\]);

selectedCalender.set(Calendar.HOUR\_OF\_DAY, Integer.parseInt(timeStr\[0\]));

executeAnimator(hour\_pv);

if ((scrollUnits & SCROLL\_TYPE.MINUTE.value) == SCROLL\_TYPE.MINUTE.value) \{

minute.clear();

int selectedDay = selectedCalender.get(Calendar.DAY\_OF\_MONTH);

int selectedHour = selectedCalender.get(Calendar.HOUR\_OF\_DAY);

if (selectedYear == startYear && selectedMonth == startMonth && selectedDay == startDay && selectedHour == startHour) \{

for (int i = startMinute; i <= MAX\_MINUTE; i++) \{

minute.add(formatTimeUnit(i));

\} else if (selectedYear == endYear && selectedMonth == endMonth && selectedDay == endDay && selectedHour == endHour) \{

for (int i = MIN\_MINUTE; i <= endMinute; i++) \{

minute.add(formatTimeUnit(i));

\} else \{

for (int i = MIN\_MINUTE; i <= MAX\_MINUTE; i++) \{

minute.add(formatTimeUnit(i));

minute\_pv.setData(minute);

minute\_pv.setSelected(timeStr\[1\]);

selectedCalender.set(Calendar.MINUTE, Integer.parseInt(timeStr\[1\]));

executeAnimator(minute\_pv);

executeScroll();

private boolean isValidDate(String date, String template) \{

boolean convertSuccess = true;

// 指定日期格式

SimpleDateFormat format = new SimpleDateFormat(template, Locale.CHINA);

try \{

// 设置lenient为false. 否则SimpleDateFormat会比较宽松地验证日期，比如2015/02/29会被接受，并转换成2015/03/01

format.setLenient(false);

format.parse(date);

\} catch (Exception e) \{

// 如果throw java.text.ParseException或者NullPointerException，就说明格式不对

convertSuccess = false;

return convertSuccess;

3.activity中的实现

String timeShow=tvShowTimesAward.getText().toString();

if(timeShow.equals("请设置时间"))\{

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm", Locale.CHINA);

String now = sdf.format(new Date());

customDatePicker3.show(now);

\}else\{

// 日期格式为yyyy-MM-dd

customDatePicker3.show("2000-09-08 "+tvShowTimesAward.getText().toString());

// 日期格式为yyyy-MM-dd HH:mm

一个完美的时间控件就完成了；

githup项目地址： [https://github.com/benyondall/TimePrice.git][https_github.com_benyondall_TimePrice.git]

[Image 1]: 
[Center]: /images/20220605/e5be8ff6c369440b8683fb3674f0a81b.png
[https_github.com_benyondall_TimePrice.git]: https://github.com/benyondall/TimePrice.git

Android 自定义时间控件

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