android调用系统农历选择日期 安卓日期选择控件

android:textSize="18sp"

    android:textStyle="bold"

    android:typeface="serif"

    app:layout_constraintStart_toStartOf="parent"

    app:layout_constraintTop_toTopOf="parent" />



<EditText

    android:id="@+id/startTime"

    android:layout_width="wrap_content"

    android:layout_height="wrap_content"

    android:layout_marginStart="50dp"

    android:layout_marginLeft="50dp"

    android:hint="选择开始时间"

    android:textColor="#000"

    android:textSize="18sp"

    android:textStyle="normal"

    android:typeface="monospace"

    app:layout_constraintBottom_toBottomOf="@+id/textView42"

    app:layout_constraintStart_toEndOf="@+id/textView42"

    app:layout_constraintTop_toTopOf="@+id/textView42" />



<TextView

    android:id="@+id/textView43"

    android:layout_width="wrap_content"

    android:layout_height="wrap_content"

    android:layout_marginStart="32dp"

    android:layout_marginLeft="32dp"

    android:layout_marginTop="32dp"

    android:text="结束时间"

    android:textColor="#000"

    android:textSize="18sp"

    android:textStyle="bold"

    android:typeface="serif"

    app:layout_constraintStart_toStartOf="parent"

    app:layout_constraintTop_toBottomOf="@+id/textView42" />



<EditText

    android:id="@+id/endTime"

    android:layout_width="wrap_content"

    android:layout_height="wrap_content"

    android:layout_marginStart="50dp"

    android:layout_marginLeft="50dp"

    android:hint="选择结束时间"

    android:textColor="#000"

    android:textSize="18sp"

    android:textStyle="normal"

    android:typeface="monospace"

    app:layout_constraintBottom_toBottomOf="@+id/textView43"

    app:layout_constraintStart_toEndOf="@+id/textView43"

    app:layout_constraintTop_toTopOf="@+id/textView43" />



<TextView

    android:id="@+id/textView47"

    android:layout_width="wrap_content"

    android:layout_height="wrap_content"

    android:layout_marginStart="32dp"

    android:layout_marginLeft="32dp"

    android:layout_marginTop="32dp"

    android:text="申请日期"

    android:textColor="#000"

    android:textSize="18sp"

    android:textStyle="bold"

    android:typeface="serif"

    app:layout_constraintStart_toStartOf="parent"

    app:layout_constraintTop_toBottomOf="@+id/textView43" />



<EditText

    android:id="@+id/calendar"

    android:layout_width="wrap_content"

    android:layout_height="wrap_content"

    android:layout_marginStart="50dp"

    android:layout_marginLeft="50dp"

    android:hint="选择申请日期"

    android:textColor="#000"

    android:textSize="18sp"

    android:textStyle="normal"

    android:typeface="monospace"

    app:layout_constraintBottom_toBottomOf="@+id/textView47"

    app:layout_constraintStart_toEndOf="@+id/textView47"

    app:layout_constraintTop_toTopOf="@+id/textView47" />

</androidx.constraintlayout.widget.ConstraintLayout>

**Java文件**

package com.hnucm.managersystem.activity;

import .DatePickerDialog;

import android.content.Intent;

import android.os.Bundle;

import android.view.MotionEvent;

import android.view.View;

import android.widget.ArrayAdapter;

import android.widget.DatePicker;

import android.widget.EditText;

import android.widget.ImageView;

import android.widget.Spinner;

import .AppCompatActivity;

import com.hnucm.managersystem.R;

import java.util.Calendar;

public class ApplyActivity extends AppCompatActivity {

//日历

EditText mCalendar;

EditText mStartTime;

EditText mEndTime;



@Override

protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_apply);