How to use theme in DatePickerDialog in Android

activity_main.xml 
 <RelativeLayout     xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:id="@+id/rl"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:padding="10dp"     tools:context=".MainActivity"     android:background="#e6eae8"     >     <Button         android:id="@+id/btn"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:text="Set Date"         /> </RelativeLayout>
MainActivity.java 
 package com.cfsuman.me.androidcodesnippets;  import android.app.AlertDialog; import android.app.DatePickerDialog; import android.app.Dialog; import android.os.Bundle; import android.app.Activity; import android.view.View; import android.widget.Button; import android.widget.DatePicker; import android.widget.RelativeLayout; import android.app.DialogFragment; import java.util.Calendar;   public class MainActivity extends Activity {      @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);          // Get the widgets reference from XML layout         jawaban RelativeLayout rl = (RelativeLayout) findViewById(R.id.rl);         Button btn = (Button) findViewById(R.id.btn);          btn.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View v) {                 // Initialize a new date picker dialog fragment                 DialogFragment dFragment = new DatePickerFragment();                  // Show the date picker dialog fragment                 dFragment.show(getFragmentManager(), "Date Picker");             }         });    }       public static class DatePickerFragment extends DialogFragment implements DatePickerDialog.OnDateSetListener{          @Override         public Dialog onCreateDialog(Bundle savedInstanceState){             jawaban Calendar calendar = Calendar.getInstance();             int year = calendar.get(Calendar.YEAR);             int month = calendar.get(Calendar.MONTH);             int day = calendar.get(Calendar.DAY_OF_MONTH);              /*                 Create a DatePickerDialog using Theme.                      DatePickerDialog(Context context, int theme, DatePickerDialog.OnDateSetListener listener,                         int year, int monthOfYear, int dayOfMonth)              */              // DatePickerDialog THEME_DEVICE_DEFAULT_LIGHT             DatePickerDialog dpd = new DatePickerDialog(getActivity(),                     AlertDialog.THEME_DEVICE_DEFAULT_LIGHT,this,year,month,day);              // DatePickerDialog THEME_DEVICE_DEFAULT_DARK             DatePickerDialog dpd2 = new DatePickerDialog(getActivity(),                     AlertDialog.THEME_DEVICE_DEFAULT_DARK,this,year,month,day);              // DatePickerDialog THEME_HOLO_LIGHT             DatePickerDialog dpd3 = new DatePickerDialog(getActivity(),                     AlertDialog.THEME_HOLO_LIGHT,this,year,month,day);              // DatePickerDialog THEME_HOLO_DARK             DatePickerDialog dpd4 = new DatePickerDialog(getActivity(),                     AlertDialog.THEME_HOLO_DARK,this,year,month,day);              // DatePickerDialog THEME_TRADITIONAL             DatePickerDialog dpd5 = new DatePickerDialog(getActivity(),                     AlertDialog.THEME_TRADITIONAL,this,year,month,day);              // Return the DatePickerDialog             return  dpd;         }          public void onDateSet(DatePicker view, int year, int month, int day){             // Do something with the chosen date         }     } }




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