Android仿ios年龄、生日、性别滚轮效果

<?xml version="1.0" encoding="utf-8"?>

 
 
 
 
 
 
 
 

public class MainActivity extends AppCompatActivity {
 
 private Dialog dateDialog, timeDialog, chooseDialog;
 private TextView mTextView;
 private List list = new ArrayList<>();
 
 
 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 mTextView = (TextView) findViewById(R.id.textView);
 String[] data = getResources().getStringArray(R.array.list);
 for (String str : data) {
  list.add(str);
 }
 }
 
 /**
 * chooseDialog
 */
 private void showChooseDialog(List mlist) {
 DataPickerDialog.Builder builder = new DataPickerDialog.Builder(this);
 chooseDialog = builder.setData(mlist).setSelection(1).setTitle("取消")
  .setOnDataSelectedListener(new DataPickerDialog.OnDataSelectedListener() {
   @Override
   public void onDataSelected(String itemValue, int position) {
   mTextView.setText(itemValue);
 
   }
 
   @Override
   public void onCancel() {
 
   }
  }).create();
 
 chooseDialog.show();
 }
 
 
 private void showDateDialog(List date) {
 DatePickerDialog.Builder builder = new DatePickerDialog.Builder(this);
 builder.setOnDateSelectedListener(new DatePickerDialog.OnDateSelectedListener() {
  @Override
  public void onDateSelected(int[] dates) {
 
  mTextView.setText(dates[0] + "-" + (dates[1] > 9 ? dates[1] : ("0" + dates[1])) + "-"
   + (dates[2] > 9 ? dates[2] : ("0" + dates[2])));
 
  }
 
  @Override
  public void onCancel() {
 
  }
 })
 
  .setSelectYear(date.get(0) - 1)
  .setSelectMonth(date.get(1) - 1)
  .setSelectDay(date.get(2) - 1);
 
 builder.setMaxYear(DateUtil.getYear());
 builder.setMaxMonth(DateUtil.getDateForString(DateUtil.getToday()).get(1));
 builder.setMaxDay(DateUtil.getDateForString(DateUtil.getToday()).get(2));
 dateDialog = builder.create();
 dateDialog.show();
 }
 
 private void showTimePick() {
 
 if (timeDialog == null) {
 
  TimePickerDialog.Builder builder = new TimePickerDialog.Builder(this);
  timeDialog = builder.setOnTimeSelectedListener(new TimePickerDialog.OnTimeSelectedListener() {
  @Override
  public void onTimeSelected(int[] times) {
 
   mTextView.setText(times[0] + ":" + times[1]);
 
  }
  }).create();
 }
 
 timeDialog.show();
 
 }
 
 
 public void time(View v) {
 
 showTimePick();
 
 }
 
 public void date(View v) {
 showDateDialog(DateUtil.getDateForString("1990-01-01"));
 
 }
 
 public void zidingyi(View v) {
 
 showChooseDialog(list);
 
 }
}

public class DataPickerDialog extends Dialog {
 
 private Params params;
 
 public DataPickerDialog(Context context, int themeResId) {
 super(context, themeResId);
 }
 
 private void setParams(DataPickerDialog.Params params) {
 this.params = params;
 }
 
 
 public void setSelection(String itemValue) {
 if (params.dataList.size() > 0) {
  int idx = params.dataList.indexOf(itemValue);
  if (idx >= 0) {
  params.initSelection = idx;
  params.loopData.setCurrentItem(params.initSelection);
  }
 }
 }
 
 public interface OnDataSelectedListener {
 void onDataSelected(String itemValue, int position);
 void onCancel();
 }
 
 private static final class Params {
 private boolean shadow = true;
 private boolean canCancel = true;
 private LoopView loopData;
 private String title;
 private String unit;
 private int initSelection;
 private OnDataSelectedListener callback;
 private final List dataList = new ArrayList<>();
 }
 
 public static class Builder {
 private final Context context;
 private final DataPickerDialog.Params params;
 
 public Builder(Context context) {
  this.context = context;
  params = new DataPickerDialog.Params();
 }
 
 private final String getCurrDateValue() {
  return params.loopData.getCurrentItemValue();
 }
 
 public Builder setData(List dataList) {
  params.dataList.clear();
  params.dataList.addAll(dataList);
  return this;
 }
 
 public Builder setTitle(String title) {
  params.title = title;
  return this;
 }
 
 public Builder setUnit(String unit) {
  params.unit = unit;
  return this;
 }
 
 public Builder setSelection(int selection) {
  params.initSelection = selection;
  return this;
 }
 
 public Builder setOnDataSelectedListener(OnDataSelectedListener onDataSelectedListener) {
  params.callback = onDataSelectedListener;
  return this;
 }
 
 
 public DataPickerDialog create() {
  final DataPickerDialog dialog = new DataPickerDialog(context, params.shadow ? R.style.Theme_Light_NoTitle_Dialog : R.style.Theme_Light_NoTitle_NoShadow_Dialog);
  View view = LayoutInflater.from(context).inflate(R.layout.layout_picker_data, null);
 
  if (!TextUtils.isEmpty(params.title)) {
  TextView txTitle = (TextView) view.findViewById(R.id.tx_title);
  txTitle.setText(params.title);
  txTitle.setOnClickListener(new View.OnClickListener() {
   @Override
   public void onClick(View view) {
   dialog.dismiss();
   params.callback.onCancel();
   }
  });
  }
  if (!TextUtils.isEmpty(params.unit)) {
  TextView txUnit = (TextView) view.findViewById(R.id.tx_unit);
  txUnit.setText(params.unit);
  }
 
  final LoopView loopData = (LoopView) view.findViewById(R.id.loop_data);
  loopData.setArrayList(params.dataList);
  loopData.setNotLoop();
  if (params.dataList.size() > 0) loopData.setCurrentItem(params.initSelection);
  view.findViewById(R.id.tx_finish).setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View v) {
   dialog.dismiss();
   params.callback.onDataSelected(getCurrDateValue(),loopData.getCurrentItem());
  }
  });
 
  Window win = dialog.getWindow();
  win.getDecorView().setPadding(0, 0, 0, 0);
  WindowManager.LayoutParams lp = win.getAttributes();
  lp.width = WindowManager.LayoutParams.MATCH_PARENT;
  lp.height = WindowManager.LayoutParams.WRAP_CONTENT;
  win.setAttributes(lp);
  win.setGravity(Gravity.BOTTOM);
  win.setWindowAnimations(R.style.Animation_Bottom_Rising);
 
  dialog.setContentView(view);
  dialog.setCanceledOnTouchOutside(params.canCancel);
  dialog.setCancelable(params.canCancel);
 
  params.loopData = loopData;
  dialog.setParams(params);
 
  return dialog;
 }
 }
}

public class DatePickerDialog extends Dialog {
 
 private static int MIN_YEAR = 1900;
 private static int MAX_YEAR = 2100;
 private Params params;
 
 public DatePickerDialog(Context context, int themeResId) {
 super(context, themeResId);
 }
 
 private void setParams(DatePickerDialog.Params params) {
 this.params = params;
 }
 
 public interface OnDateSelectedListener {
  void onDateSelected(int[] dates);
  void onCancel();
 }
 
 
 
 private static final class Params {
 private boolean shadow = true;
 private boolean canCancel = true;
 private LoopView loopYear, loopMonth, loopDay;
 private OnDateSelectedListener callback;
 }
 
 public static class Builder {
 private final Context context;
 private final DatePickerDialog.Params params;
 private Integer minYear;
 private Integer maxYear;
 private Integer selectYear;
 private Integer selectMonth;
 private Integer selectDay;
 private Integer minMonth;
 private Integer maxMonth;
 private Integer minDay;
 private Integer maxDay;
 
 public Builder(Context context) {
  this.context = context;
  params = new DatePickerDialog.Params();
 }
 
 public Builder setMinYear(int year){
  minYear=year;
  return this;
 }
 
 public Builder setMaxYear(int year){
  maxYear=year;
  return this;
 }
 
 public Builder setMinMonth(int month){
  minMonth=month;
  return this;
 }
 
 public Builder setMaxMonth(int month){
  maxMonth=month;
  return this;
 }
 
 public Builder setMinDay(int day){
  minDay=day;
  return this;
 }
 
 public Builder setMaxDay(int day){
  maxDay=day;
  return this;
 }
 
 public Builder setSelectYear(int year){
  this.selectYear=year;
  return this;
 }
 
 public Builder setSelectMonth(int month){
  this.selectMonth=month;
  return this;
 }
 
 public Builder setSelectDay(int day){
  this.selectDay=day;
  return this;
 }
 
 /**
  * 获取当前选择的日期
  *
  * @return int[]数组形式返回。例[1990,6,15]
  */
 private final int[] getCurrDateValues() {
  int currYear = Integer.parseInt(params.loopYear.getCurrentItemValue());
  int currMonth = Integer.parseInt(params.loopMonth.getCurrentItemValue());
  int currDay = Integer.parseInt(params.loopDay.getCurrentItemValue());
  return new int[]{currYear, currMonth, currDay};
 }
 
 public Builder setOnDateSelectedListener(OnDateSelectedListener onDateSelectedListener) {
  params.callback = onDateSelectedListener;
  return this;
 }
 
 
 public DatePickerDialog create() {
  final DatePickerDialog dialog = new DatePickerDialog(context, params.shadow ? R.style.Theme_Light_NoTitle_Dialog : R.style.Theme_Light_NoTitle_NoShadow_Dialog);
  View view = LayoutInflater.from(context).inflate(R.layout.layout_picker_date, null);
 
  view.findViewById(R.id.tv_cancel).setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View view) {
   dialog.dismiss();
   params.callback.onCancel();
  }
  });
 
 
 
  Calendar c = Calendar.getInstance();
 
  final LoopView loopDay = (LoopView) view.findViewById(R.id.loop_day);
  loopDay.setArrayList(d(1, 30));
  if(selectDay!=null){
  loopDay.setCurrentItem(selectDay);
  }else{
  loopDay.setCurrentItem(c.get(Calendar.DATE));
  }
  //loopDay.setNotLoop();
 
  final LoopView loopYear = (LoopView) view.findViewById(R.id.loop_year);
  loopYear.setArrayList(d(MIN_YEAR, MAX_YEAR - MIN_YEAR + 1));
  if(selectYear!=null){
  loopYear.setCurrentItem(selectYear-MIN_YEAR+1);
  }else{
  loopYear.setCurrentItem(MAX_YEAR);
  }
  loopYear.setNotLoop();
 
  final LoopView loopMonth = (LoopView) view.findViewById(R.id.loop_month);
  loopMonth.setArrayList(d(1, 12));
  if(selectMonth!=null){
  loopMonth.setCurrentItem(selectMonth);
  }else{
  loopMonth.setCurrentItem(c.get(Calendar.MONTH));
  }
  loopMonth.setNotLoop();
 
 
 
  final LoopListener maxDaySyncListener = new LoopListener() {
  @Override
  public void onItemSelect(int item) {
   Calendar c = Calendar.getInstance();
   boolean needFixed=true;
   if(minYear!=null){
   if(Integer.parseInt(loopYear.getCurrentItemValue())==minYear ){
    if(minMonth!=null){
    if(Integer.parseInt(loopMonth.getCurrentItemValue())maxMonth){
     loopMonth.setCurrentItem(maxMonth - 1);
    }
    }
   }else if(Integer.parseInt(loopYear.getCurrentItemValue())>maxYear){
    loopYear.setCurrentItem(maxYear-MIN_YEAR);
   }
   }
 
   c.set(Integer.parseInt(loopYear.getCurrentItemValue()), Integer.parseInt(loopMonth.getCurrentItemValue()) - 1, 1);
   c.roll(Calendar.DATE, false);
 
   if(needFixed){
   int maxDayOfMonth = c.get(Calendar.DATE);
   int fixedCurr = loopDay.getCurrentItem();
   loopDay.setArrayList(d(1, maxDayOfMonth));
   // 修正被选中的日期最大值
   if (fixedCurr > maxDayOfMonth) fixedCurr = maxDayOfMonth - 1;
   loopDay.setCurrentItem(fixedCurr);
   }
  }
  };
 
  final LoopListener dayLoopListener=new LoopListener() {
  @Override
  public void onItemSelect(int item) {
   if(minYear!=null && minMonth!=null && minDay!=null
    && Integer.parseInt(loopYear.getCurrentItemValue())==minYear
    && Integer.parseInt(loopMonth.getCurrentItemValue())==minMonth
    && Integer.parseInt(loopDay.getCurrentItemValue())maxDay
    ){
   loopDay.setCurrentItem(maxDay-1);
   }
  }
  };
  loopYear.setListener(maxDaySyncListener);
  loopMonth.setListener(maxDaySyncListener);
  loopDay.setListener(dayLoopListener);
 
  view.findViewById(R.id.tx_finish).setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View v) {
   dialog.dismiss();
   params.callback.onDateSelected(getCurrDateValues());
  }
  });
 
  Window win = dialog.getWindow();
  win.getDecorView().setPadding(0, 0, 0, 0);
  WindowManager.LayoutParams lp = win.getAttributes();
  lp.width = WindowManager.LayoutParams.MATCH_PARENT;
  lp.height = WindowManager.LayoutParams.WRAP_CONTENT;
  win.setAttributes(lp);
  win.setGravity(Gravity.BOTTOM);
  win.setWindowAnimations(R.style.Animation_Bottom_Rising);
 
  dialog.setContentView(view);
  dialog.setCanceledOnTouchOutside(params.canCancel);
  dialog.setCancelable(params.canCancel);
 
  params.loopYear = loopYear;
  params.loopMonth = loopMonth;
  params.loopDay = loopDay;
  dialog.setParams(params);
 
  return dialog;
 }
 
 /**
  * 将数字传化为集合，并且补充0
  *
  * @param startNum 数字起点
  * @param count 数字个数
  * @return
  */
 private static List d(int startNum, int count) {
  String[] values = new String[count];
  for (int i = startNum; i < startNum + count; i++) {
  String tempValue = (i < 10 ? "0" : "") + i;
  values[i - startNum] = tempValue;
  }
  return Arrays.asList(values);
 }
 
 }
}