<&#63;xML version="1.0" encoding="utf-8"?> <RelativeLayout  android:id="@+id/activity_main"  xmlns:android="http://schemas.android.COM/apk/res/android"  xmlns:tools="http://schemas.android.com/tools"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:paddingBottom="@dimen/activity_vertical_margin"  android:paddingLeft="@dimen/activity_horizontal_margin"  android:paddingRight="@dimen/activity_horizontal_margin"  android:paddingTop="@dimen/activity_vertical_margin"  >    <TextView  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:text="Hello World!"  android:id="@+id/textView"/>    <Button  android:text="生日"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:layout_below="@+id/textView"  android:layout_alignParentLeft="true"  android:layout_alignParentStart="true"  android:id="@+id/button"  android:onClick="date"  android:layout_alignParentRight="true"  android:layout_alignParentEnd="true"/>    <Button  android:text="时间"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:layout_below="@+id/button"  android:layout_alignParentLeft="true"  android:layout_alignParentStart="true"  android:id="@+id/button2"  android:onClick="time"  android:layout_alignParentRight="true"  android:layout_alignParentEnd="true"/>    <Button  android:text="性别"  android:onClick="zidingyi"    android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:layout_below="@+id/button2"  android:layout_alignParentLeft="true"  android:layout_alignParentStart="true"  android:id="@+id/button3"  android:layout_alignParentRight="true"  android:layout_alignParentEnd="true"/> </RelativeLayout>

 public class MainActivity extends AppCompatActivity {    PRivate DiaLOG dateDialog, timeDialog, chooseDialog;  private TextView mTextView;  private List<String> 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<String> 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<Integer> 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<String> 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<String> 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())<;minMonth){      loopMonth.setCurrentItem(minMonth - 1);     }     }    }else if(Integer.parseInt(loopYear.getCurrentItemValue())<minYear){     loopYear.setCurrentItem(minYear-MIN_YEAR);    }    }      if(maxYear!=null){    if(Integer.parseInt(loopYear.getCurrentItemValue())==maxYear ){     if(maxMonth!=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())<minDay     ){    loopDay.setCurrentItem(minDay-1);    }      if(maxYear!=null && maxMonth!=null && maxDay!=null     && Integer.parseInt(loopYear.getCurrentItemValue())==maxYear     && Integer.parseInt(loopMonth.getCurrentItemValue())==maxMonth     && 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<String> 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);  }    } }