enhance(capacitor): native datepicker for Android

android/app/src/main/java/com/logseq/app/UILocal.kt

@@ -0,0 +1,87 @@
+package com.logseq.app
+
+import android.app.AlertDialog
+import android.app.DatePickerDialog
+import android.os.Build
+import android.view.View
+import android.view.ViewGroup
+import android.widget.DatePicker
+import android.widget.FrameLayout
+import androidx.annotation.RequiresApi
+import com.getcapacitor.JSObject
+import com.getcapacitor.Plugin
+import com.getcapacitor.PluginCall
+import com.getcapacitor.PluginMethod
+import com.getcapacitor.annotation.CapacitorPlugin
+import java.text.SimpleDateFormat
+import java.util.Calendar
+import java.util.Locale
+
+@CapacitorPlugin(name = "UILocal")
+class UILocal : Plugin() {
+
+  @RequiresApi(Build.VERSION_CODES.O)
+  @PluginMethod
+  fun showDatePicker(call: PluginCall) {
+    val defaultDate = call.getString("defaultDate")
+    val calendar = Calendar.getInstance()
+
+    if (defaultDate.isNullOrEmpty()) {
+      try {
+        val sdf = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
+        val date = defaultDate?.let { sdf.parse(it) }
+        if (date != null) {
+          calendar.time = date
+        }
+      } catch (e: Exception) {
+        call.reject("Invalid default date format. Use YYYY-MM-DD", e)
+        return
+      }
+    }
+
+    val year = calendar.get(Calendar.YEAR)
+    val month = calendar.get(Calendar.MONTH)
+    val day = calendar.get(Calendar.DAY_OF_MONTH)
+
+    // create date picker dialog
+    val datePickerDialog = DatePickerDialog(
+      activity,
+      null,
+      year, month, day
+    )
+
+    datePickerDialog.datePicker.setOnDateChangedListener { _, selectedYear: Int, selectedMonth: Int, selectedDay: Int ->
+      // format selected date
+      val selectedDate = Calendar.getInstance().apply {
+        set(selectedYear, selectedMonth, selectedDay)
+      }
+      val sdf = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
+      val formattedDate = sdf.format(selectedDate.time)
+
+      // return to js
+      val res = JSObject()
+      res.put("value", formattedDate)
+      call.resolve(res)
+
+      // close dialog
+      datePickerDialog.dismiss()
+    }
+
+    datePickerDialog.setOnShowListener {
+      val parent = datePickerDialog.getButton(DatePickerDialog.BUTTON_POSITIVE).parent.parent
+      if (parent is ViewGroup) {
+        parent.visibility = View.GONE
+      }
+    }
+
+    if (call.getBoolean("restrictFuture", false) == true) {
+      datePickerDialog.datePicker.maxDate = System.currentTimeMillis()
+    }
+
+    try {
+      datePickerDialog.show()
+    } catch (e: Exception) {
+      call.reject("Error showing date picker", e)
+    }
+  }
+}