PlantList

Assets/Code/Calendar/NativeSh/NativePicker.cs

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+using UnityEngine;
+using System.Collections;
+
+public class SelectedDate {
+    public static System.DateTime date = System.DateTime.Now;
+}
+public class DateCallback : AndroidJavaProxy
+{
+    public DateCallback() : base("android.app.DatePickerDialog$OnDateSetListener") { }
+
+    public void onDateSet(AndroidJavaObject view, int year, int monthOfYear, int dayOfMonth) {
+        SelectedDate.date = new System.DateTime(year, monthOfYear + 1, dayOfMonth);
+    }
+}
+public class ExampleClass : MonoBehaviour 
+{
+    private AndroidJavaObject activity; 
+	
+    void PickDate(){
+        new AndroidJavaObject("android.app.DatePickerDialog", activity, new DateCallback(), SelectedDate.date.Year, SelectedDate.date.Month - 1, SelectedDate.date.Day).Call("show");
+    }
+	
+    void OnGUI() 
+    {
+        if (GUI.Button(new Rect(10, 10, 450, 100), System.String.Format("{0:yyyy-MM-dd}", SelectedDate.date))) 
+        {
+            activity = new AndroidJavaClass("com.unity3d.player.UnityPlayer").GetStatic<AndroidJavaObject>("currentActivity");
+            activity.Call("runOnUiThread", new AndroidJavaRunnable(PickDate));
+        }
+    }
+}

Assets/Code/Calendar/NativeSh/NativePicker.cs.meta

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+fileFormatVersion: 2
+guid: dcb51e6febb24b66870aad7e44df62e0
+timeCreated: 1772468482