How to set only Numeric password restriction From user Into android app

Numeric password restriction means set automatic restriction so application user cannot enter alphabets, special characters as password. There are a automatic limitation applied on application's EditText box so user are unable to set alphabetic characters, special characters as passwords. It will allow the application to only open numeric keypad .

Setting up only numeric password enter restriction on android application.

Code for activity_main.xml file .

<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"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context="com.tutorials2make.getnumericpasswordandroidapp.MainActivity" >

    <EditText

        android:id="@+id/PasswordRestriction"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="50dp"

        android:ems="10"

        android:inputType="numberPassword" >

        <requestFocus />

    </EditText>

    <Button

        android:id="@+id/GetOnlyNumericPassword"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerHorizontal="true"

        android:layout_centerVertical="true"

        android:text="Get Only Numeric Password" />

</RelativeLayout>

Code for MainActivity.java programming file .

package com.tutorials2make.getnumericpasswordandroidapp;

import android.app.Activity;

import android.os.Bundle;

import android.text.Editable;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

public class MainActivity extends Activity {

Editable HoldNumericPassword;

Button GetNumericPassword;

EditText GetNumericPasswordinAndroid;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        

        GetNumericPassword = (Button)findViewById(R.id.GetOnlyNumericPassword);

        GetNumericPasswordinAndroid = (EditText)findViewById(R.id.PasswordRestriction);

        

        GetNumericPassword.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

HoldNumericPassword = GetNumericPasswordinAndroid.getText();

Toast.makeText(MainActivity.this, HoldNumericPassword, Toast.LENGTH_LONG).show();

}

});

    }

}