Cодержание
Руководство Android DatePickerDialog
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Android DatePickerDialog ставит DatePicker на Dialog, он позволяет пользователю выбрать дату (Date). В основном нет значительной разницы в использовании DatePickerDialog và DatePicker. Если вы хотите сэкономить пространство приложения, используйте DatePickerDialog.
DatePickerDialog создан во время запуска приложения, когда пользователю он нужен, чтобы выбрать дату (Date). Вы можете создать и отобразить Java кодом:
DatePickerDialog (Calendar Mode) (Default)
int selectedYear = 2000;
int selectedMonth = 5;
int selectedDayOfMonth = 10;
// Date Select Listener.
DatePickerDialog.OnDateSetListener dateSetListener = new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
editTextDate.setText(dayOfMonth + "-" + (monthOfYear + 1) + "-" + year);
}
};
// Create DatePickerDialog (Spinner Mode):
DatePickerDialog datePickerDialog = new DatePickerDialog(this,
dateSetListener, selectedYear, selectedMonth, selectedDayOfMonth);
// Show
datePickerDialog.show();

DatePickerDialog (Spinner Mode)
int selectedYear = 2000;
int selectedMonth = 5;
int selectedDayOfMonth = 10;
// Date Select Listener.
DatePickerDialog.OnDateSetListener dateSetListener = new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
editTextDate.setText(dayOfMonth + "-" + (monthOfYear + 1) + "-" + year);
}
};
// Create DatePickerDialog (Spinner Mode):
DatePickerDialog datePickerDialog = new DatePickerDialog(this,
android.R.style.Theme_Holo_Light_Dialog_NoActionBar,
dateSetListener, selectedYear, selectedMonth, selectedDayOfMonth);
// Show
datePickerDialog.show();

Просмотр примера:

Calendar Mode

Spinner Mode
На Android Studio создайте новый project:
- File > New > New Project > Empty Activity
- Name: DatePickerDialogExample
- Package name: org.o7planning.datepickerdialogexample
- Language: Java
Интерфейс приложения:

activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<EditText
android:id="@+id/editText_date"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginTop="90dp"
android:ems="10"
android:inputType="date"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/button_date"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginTop="90dp"
android:text="Select Date"
app:layout_constraintStart_toEndOf="@+id/editText_date"
app:layout_constraintTop_toTopOf="parent" />
<CheckBox
android:id="@+id/checkBox_isSpinnerMode"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginTop="16dp"
android:text="Spinner Mode?"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/editText_date" />
</androidx.constraintlayout.widget.ConstraintLayout>
MainActivity.java
package org.o7planning.datepickerdialogexample;
import androidx.appcompat.app.AppCompatActivity;
import android.app.DatePickerDialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.DatePicker;
import android.widget.EditText;
import java.util.Calendar;
public class MainActivity extends AppCompatActivity {
private EditText editTextDate;
private Button buttonDate;
private CheckBox checkBoxIsSpinnerMode;
private int lastSelectedYear;
private int lastSelectedMonth;
private int lastSelectedDayOfMonth;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
this.editTextDate = (EditText) this.findViewById(R.id.editText_date);
this.buttonDate = (Button) this.findViewById(R.id.button_date);
this.checkBoxIsSpinnerMode = this.findViewById(R.id.checkBox_isSpinnerMode);
this.buttonDate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
buttonSelectDate();
}
});
// Get Current Date
final Calendar c = Calendar.getInstance();
this.lastSelectedYear = c.get(Calendar.YEAR);
this.lastSelectedMonth = c.get(Calendar.MONTH);
this.lastSelectedDayOfMonth = c.get(Calendar.DAY_OF_MONTH);
}
// User click on 'Select Date' button.
private void buttonSelectDate() {
final boolean isSpinnerMode = this.checkBoxIsSpinnerMode.isChecked();
// Date Select Listener.
DatePickerDialog.OnDateSetListener dateSetListener = new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
editTextDate.setText(dayOfMonth + "-" + (monthOfYear + 1) + "-" + year);
lastSelectedYear = year;
lastSelectedMonth = monthOfYear;
lastSelectedDayOfMonth = dayOfMonth;
}
};
DatePickerDialog datePickerDialog = null;
if(isSpinnerMode) {
// Create DatePickerDialog:
datePickerDialog = new DatePickerDialog(this,
android.R.style.Theme_Holo_Light_Dialog_NoActionBar,
dateSetListener, lastSelectedYear, lastSelectedMonth, lastSelectedDayOfMonth);
}
// Calendar Mode (Default):
else {
datePickerDialog = new DatePickerDialog(this,
dateSetListener, lastSelectedYear, lastSelectedMonth, lastSelectedDayOfMonth);
}
// Show
datePickerDialog.show();
}
}