TimePicker时间选择器
public class TimePicker extends View {
private Context context;
private Paint paintBackground,paintText,paintAlpha;
private int width;//设置高
private int height;//设置高
private List<Integer> yearList,monthList,dateList,hourList;
private List<String>minuteList;
private int year=0,month=0,day=0,hour=0,minute=0,daysThisMonth=0;
private String strMinute="";
public TimePicker(Context context) {
super(context);
this.context=context;
init();
}
public TimePicker(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
this.context=context;
init();
}
public TimePicker(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
this.context=context;
init();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
drawBackground(canvas);
drawYear(canvas);
drawMonth(canvas);
drawDate(canvas);
drawHour(canvas);
drawMinute(canvas);
drawAlpha(canvas);
}
/**
* 背景
*/
private void drawBackground(Canvas canvas) {
paintBackground.setColor(Color.GRAY);
canvas.drawRect(0,0,width,height,paintBackground);
paintBackground.setColor(Color.DKGRAY);
for (int i = 0; i < 5; i++) {
canvas.drawRect(height/20+i*width/5,height/20,width/5-height/20+i*width/5,height*19/20,paintBackground);
canvas.drawLine(height/20+i*width/5,height/2-height/8,width/5-height/20+i*width/5,height/2-height/8,paintText);
canvas.drawLine(height/20+i*width/5,height/2+height/8,width/5-height/20+i*width/5,height/2+height/8,paintText);
}
canvas.clipRect(height/20,height/20,width-height/20,height*19/20);
}
/**
* 渐变边框
*/
private void drawAlpha(Canvas canvas) {
Shader mShader = new LinearGradient(height/20+width/10,height/20,height/20+width/10,height*19/20,new int[]{Color.BLACK,0x00000000,Color.BLACK},null, Shader.TileMode.CLAMP);
paintAlpha.setShader(mShader);
for (int i = 0; i < 5; i++) {
canvas.drawRect(height/20+i*width/5,height/20,width/5-height/20+i*width/5,height*19/20,paintAlpha);
}
}
private float yearX,yearY,yearY2;
/**
* 年
*/
private void drawYear(Canvas canvas) {
Rect rect = new Rect();
String year=yearList.get(0)+"";
paintText.getTextBounds(year, 0, year.length(), rect);
for (int i = 0; i < yearList.size(); i++) {
canvas.drawText(yearList.get(i)+"",yearX,yearY2+rect.height()/2+i*height/4,paintText);
}
}
private float monthX,monthY,monthY2;
/**
* 月
*/
private void drawMonth(Canvas canvas) {
Rect rect = new Rect();
String month=monthList.get(0)+"";
paintText.getTextBounds(month, 0, month.length(), rect);
for (int i = 0; i < monthList.size(); i++) {
canvas.drawText(monthList.get(i)+"",monthX,monthY2+rect.height()/2+i*height/4,paintText);
}
}
private float dateX,dateY,dateY2;
/**
* 日
*/
private void drawDate(Canvas canvas) {
Rect rect = new Rect();
String date=dateList.get(0)+"";
paintText.getTextBounds(date, 0, date.length(), rect);
for (int i = 0; i < dateList.size(); i++) {
canvas.drawText(dateList.get(i)+"",dateX,dateY2+rect.height()/2+i*height/4,paintText);
}
}
private float hourX,hourY,hourY2;
/**
* 时
*/
private void drawHour(Canvas canvas) {
Rect rect = new Rect();
String hour=hourList.get(0)+"";
paintText.getTextBounds(hour, 0, hour.length(), rect);
for (int i = 0; i < hourList.size(); i++) {
canvas.drawText(hourList.get(i)+"",hourX,hourY2+rect.height()/2+i*height/4,paintText);
}
}
private float minuteX,minuteY,minuteY2;
/**
* 分
*/
private void drawMinute(Canvas canvas) {
Rect rect = new Rect();
String minute=minuteList.get(0)+"";
paintText.getTextBounds(minute, 0, minute.length(), rect);
for (int i = 0; i < minuteList.size(); i++) {
canvas.drawText(minuteList.get(i)+"",minuteX,minuteY2+rect.height()/2+i*height/4,paintText);
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int measureWidth = getDefaultSize(getMeasuredWidth(), widthMeasureSpec);// 获得控件的宽度
setMeasuredDimension(measureWidth , measureWidth/3);//设置宽和高
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
initTime();
width=w;
height=h;
paintText.setTextSize(height/8);
yearX=width/10;
yearY2=height/2;
yearLastY=yearY2;
monthX=width/10+width/5;
monthY2=height/2-(month+2)*height/4;
monthLastY=monthY2;
dateX=width/10+width*2/5;
dateY2=height/2-(day+4)*height/4;
dateLastY=dateY2;
hourX=width/10+width*3/5;
hourY2=height/2-(hour+3)*height/4;
hourLastY=hourY2;
minuteX=width/10+width*4/5;
minuteY2=height/2-(minute+3)*height/4;
minuteLastY=minuteY2;
}
private void init() {
initPaint();
}
/**
* 初始化时间
*/
private void initTime() {
Date date=new Date();
//年
yearList=new ArrayList<>();
Calendar cal = Calendar.getInstance();
cal.setTime(date);
for (int i = 0; i < 30; i++) {
yearList.add(cal.get(Calendar.YEAR)+i);
}
year=cal.get(Calendar.YEAR);
month=cal.get(Calendar.MONTH)+1;
day=cal.get(Calendar.DATE);
hour=cal.get(Calendar.HOUR_OF_DAY);
minute=cal.get(Calendar.MINUTE);
if(minute<10){
strMinute="0"+minute;
}else {
strMinute=""+minute;
}
//月份
monthList=new ArrayList<>();
for (int i = 0; i < 18; i++) {
monthList.add((9+i)%12+1);
}
//日期
dateList=new ArrayList<>();
initDate();
//小时
hourList=new ArrayList<>();
for (int i = 0; i < 30; i++) {
hourList.add((21+i)%24);
}
//分钟
minuteList=new ArrayList<>();
for (int i = 0; i < 66; i++) {
int minute=(57+i)%60;
if(minute<10){
String strMinute="0"+minute;
minuteList.add(strMinute);
}else {
minuteList.add(minute+"");
}
}
}
private void initDate() {
Date date=new Date(year,month,0);
daysThisMonth=date.getDate();
dateList=new ArrayList<>();
for (int i = 0; i < daysThisMonth+10; i++) {
dateList.add((daysThisMonth+i-5)%daysThisMonth+1);
}
}
/**
* 初始化画笔
*/
private void initPaint() {
paintBackground=new Paint();
paintBackground.setAntiAlias(true);
paintBackground.setColor(Color.GRAY);
paintBackground.setStyle(Paint.Style.FILL);
paintBackground.setStrokeWidth(DensityUtil.dip2px(context,2));
paintText=new Paint();
paintText.setAntiAlias(true);
paintText.setColor(Color.WHITE);
paintText.setStyle(Paint.Style.FILL);
paintText.setTextAlign(Paint.Align.CENTER);
paintAlpha=new Paint();
paintAlpha.setAntiAlias(true);
paintAlpha.setStyle(Paint.Style.FILL);
}
private float downX,downY;
private int moveIndex;
private float yearLastY,monthLastY,dateLastY,hourLastY,minuteLastY;
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()){
case MotionEvent.ACTION_DOWN:
moveIndex=-1;
//获取屏幕上点击的坐标
downX = event.getX();
downY = event.getY();
for (int i = 0; i < 5; i++) {
if(Util.isInside(downX,downY,height/20+i*width/5,height/20,width/5-height/20+i*width/5,height*19/20)){
moveIndex=i;
return true;
}
}
break;
case MotionEvent.ACTION_MOVE:
if(moveIndex==0){
yearY=yearLastY+event.getY()-downY;
if(yearY>height/2){
yearY=height/2;
}else if(yearY<height/2-(yearList.size()-1)*height/4){
yearY=height/2-(yearList.size()-1)*height/4;
}
yearY2=yearY;
invalidate();
}else if(moveIndex==1){
monthY=monthLastY+event.getY()-downY;
if(monthY>height/2){
monthY=height/2;
}else if(monthY<height/2-(monthList.size()-1)*height/4){
monthY=height/2-(monthList.size()-1)*height/4;
}
if(monthY>0){
monthLastY=monthLastY-12*height/4;
monthY=monthLastY+event.getY()-downY;
}else if(monthY<-13*height/4){
monthLastY=monthLastY+12*height/4;
monthY=monthLastY+event.getY()-downY;
}
monthY2=monthY;
invalidate();
}else if(moveIndex==2){
dateY=dateLastY+event.getY()-downY;
if(dateY>height/2){
dateY=height/2;
}else if(dateY<height/2-(dateList.size()-1)*height/4){
dateY=height/2-(dateList.size()-1)*height/4;
}
if(dateY>-height/2){
dateLastY=dateLastY-daysThisMonth*height/4;
dateY=dateLastY+event.getY()-downY;
}else if(dateY<-(daysThisMonth+1)*height/4){
dateLastY=dateLastY+daysThisMonth*height/4;
dateY=dateLastY+event.getY()-downY;
}
dateY2=dateY;
invalidate();
}else if(moveIndex==3){
hourY=hourLastY+event.getY()-downY;
if(hourY>height/2){
hourY=height/2;
}else if(hourY<height/2-(hourList.size()-1)*height/4){
hourY=height/2-(hourList.size()-1)*height/4;
}
if(hourY>0){
hourLastY=hourLastY-24*height/4;
hourY=hourLastY+event.getY()-downY;
}else if(hourY<-25*height/4){
hourLastY=hourLastY+24*height/4;
hourY=hourLastY+event.getY()-downY;
}
hourY2=hourY;
invalidate();
}else if(moveIndex==4){
minuteY=minuteLastY+event.getY()-downY;
if(minuteY>height/2){
minuteY=height/2;
}else if(minuteY<height/2-(minuteList.size()-1)*height/4){
minuteY=height/2-(minuteList.size()-1)*height/4;
}
if(minuteY>0){
minuteLastY=minuteLastY-60*height/4;
minuteY=minuteLastY+event.getY()-downY;
}else if(minuteY<-61*height/4){
minuteLastY=minuteLastY+60*height/4;
minuteY=minuteLastY+event.getY()-downY;
}
minuteY2=minuteY;
invalidate();
}
break;
case MotionEvent.ACTION_UP:
if(moveIndex==0){
yearLastY=yearY;
fixYearAnim((height/2-yearY)%(height/4));
int position=(int)((height/2-yearLastY+height/8)/(height/4));
year=yearList.get(position);
initDate();
}else if(moveIndex==1){
monthLastY=monthY;
fixMonthAnim((height/2-monthY)%(height/4));
int position=(int)((height/2-monthLastY+height/8)/(height/4));
month=monthList.get(position);
initDate();
}else if(moveIndex==2){
dateLastY=dateY;
fixDateAnim((height/2-dateY)%(height/4));
int position=(int)((height/2-dateLastY+height/8)/(height/4));
day=dateList.get(position);
}else if(moveIndex==3){
hourLastY=hourY;
fixHourAnim((height/2-hourY)%(height/4));
int position=(int)((height/2-hourLastY+height/8)/(height/4));
hour=hourList.get(position);
}else if(moveIndex==4){
minuteLastY=minuteY;
fixMinuteAnim((height/2-minuteY)%(height/4));
int position=(int)((height/2-minuteLastY+height/8)/(height/4));
strMinute=minuteList.get(position);
}
return true;
}
return super.onTouchEvent(event);
}
private float valueYear=0;
private void fixYearAnim(final float slipY) {
ValueAnimator valueAnimatorYear;
if(slipY<=height/8){
valueAnimatorYear= ValueAnimator.ofFloat(0f,slipY);
}else {
valueAnimatorYear= ValueAnimator.ofFloat(0f,slipY-height/4);
}
valueAnimatorYear.setDuration(300);
valueAnimatorYear.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
valueYear= (float) animation.getAnimatedValue();
yearY2=yearY+valueYear;
yearLastY=yearY+valueYear;
invalidate();
}
});
valueAnimatorYear.start();
}
private float valueMonth=0;
private void fixMonthAnim(final float slipY) {
ValueAnimator valueAnimatorMonth;
if(slipY<=height/8){
valueAnimatorMonth= ValueAnimator.ofFloat(0f,slipY);
}else {
valueAnimatorMonth= ValueAnimator.ofFloat(0f,slipY-height/4);
}
valueAnimatorMonth.setDuration(300);
valueAnimatorMonth.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
valueMonth= (float) animation.getAnimatedValue();
monthY2=monthY+valueMonth;
monthLastY=monthY+valueMonth;
invalidate();
}
});
valueAnimatorMonth.start();
}
private float valueDate=0;
private void fixDateAnim(final float slipY) {
ValueAnimator valueAnimatorDate;
if(slipY<=height/8){
valueAnimatorDate= ValueAnimator.ofFloat(0f,slipY);
}else {
valueAnimatorDate= ValueAnimator.ofFloat(0f,slipY-height/4);
}
valueAnimatorDate.setDuration(300);
valueAnimatorDate.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
valueDate= (float) animation.getAnimatedValue();
dateY2=dateY+valueDate;
dateLastY=dateY+valueDate;
invalidate();
}
});
valueAnimatorDate.start();
}
private float valueHour=0;
private void fixHourAnim(final float slipY) {
ValueAnimator valueAnimatorHour;
if(slipY<=height/8){
valueAnimatorHour= ValueAnimator.ofFloat(0f,slipY);
}else {
valueAnimatorHour= ValueAnimator.ofFloat(0f,slipY-height/4);
}
valueAnimatorHour.setDuration(300);
valueAnimatorHour.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
valueHour= (float) animation.getAnimatedValue();
hourY2=hourY+valueHour;
hourLastY=hourY+valueHour;
invalidate();
}
});
valueAnimatorHour.start();
}
private float valueMinute=0;
private void fixMinuteAnim(final float slipY) {
ValueAnimator valueAnimatorMinute;
if(slipY<=height/8){
valueAnimatorMinute = ValueAnimator.ofFloat(0f,slipY);
}else {
valueAnimatorMinute = ValueAnimator.ofFloat(0f,slipY-height/4);
}
valueAnimatorMinute.setDuration(300);
valueAnimatorMinute.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
valueMinute= (float) animation.getAnimatedValue();
minuteY2=minuteY+valueMinute;
minuteLastY=minuteY+valueMinute;
invalidate();
}
});
valueAnimatorMinute.start();
}
public String getDateStr(){
SimpleDateFormat format=new SimpleDateFormat("yyyy-MM-dd HH:mm");
String calender=format.format(new Date(getDate()));
return calender;
}
public long getDate(){
int position=(int)((height/2-dateLastY+height/8)/(height/4));
day=dateList.get(position);
SimpleDateFormat format=new SimpleDateFormat("yyyy-MM-dd HH:mm");
try {
Date date=format.parse(year+"-"+month+"-"+day+" "+hour+":"+strMinute);
return date.getTime();
} catch (ParseException e) {
e.printStackTrace();
return new Date().getTime();
}
}
}
