NumberPickerDialog Example

For Number Picker Dialog we require minimum API Level 11

Strings.xml

<?xml version="1.0" encoding="utf-8"?>

<resources>

    <string name="app_name">Number Picker Dialog</string>

    <string name="button_name">Get Number</string>

</resources>

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context=".MainActivity" >

    <NumberPicker

        android:id="@+id/numberPicker1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="22dp" />

    <Button

        android:id="@+id/button1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerHorizontal="true"

        android:layout_centerVertical="true"

        android:text="@string/button_name" />

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentLeft="true"

        android:layout_below="@+id/button1"

        android:layout_marginLeft="33dp"

        android:layout_marginTop="32dp"

        android:textAppearance="?android:attr/textAppearanceLarge" />

</RelativeLayout>

MainActivity.java

package com.swamys.numberpickerdialog;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.NumberPicker;

import android.widget.TextView;

public class MainActivity extends Activity {

      

       NumberPicker numberPicker;

       TextView textView;

       @Override

       protected void onCreate(Bundle savedInstanceState) {

              super.onCreate(savedInstanceState);

              setContentView(R.layout.activity_main);

             

              Button button = (Button) findViewById(R.id.button1);

              textView = (TextView) findViewById(R.id.textView1);

              numberPicker = (NumberPicker) findViewById(R.id.numberPicker1);

              numberPicker.setMaxValue(10);

              numberPicker.setMinValue(1);

              button.setOnClickListener(new OnClickListener() {

                    

                     @Override

                     public void onClick(View v) {

                           int selected_number = numberPicker.getValue();

                           textView.setText("Selected No. is: "+selected_number);

                     }

              });

       }

}