안드로이드 - 안드로이드 스튜디오 질문입니다!

activity_main.xml edittext에서 1을 입력했을 때 p1 이라는 이미지를 띄우고 2를 입력했을 때는 p2 이미지를 띄우는 것 처럼 500번 까지 이미지를 출력해주는 어플을 만드려고 합니다.

근데 밑의 소스 처럼 하니까 1을 입력했을 때는 정상적으로 p1이 출력되는데 2를 입력하면 그냥 어플이 오류 메시지가 뜨면서 종료 되더라구요. 어떻게 해야할까요ㅠ

MainActivity.java

package com.jangdol.intenttest00;
  
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
  
import org.w3c.dom.Text;
  
import java.security.PublicKey;
import java.util.ArrayList;
  
public class MainActivity extends AppCompatActivity {
  
    Button b1;
    EditText e1;
    String input1;
    ImageView imageView1;
  
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
  
        b1 = (Button) findViewById(R.id.button1);
        e1 = (EditText) findViewById(R.id.e1);
        Bitmap sheet = BitmapFactory.decodeResource(getResources(),(R.drawable.p1));
        imageView1 = (ImageView) findViewById(R.id.imageView1);
            b1.setOnClickListener(new View.OnClickListener() { //b1버튼을 클릭했을 때
                @Override
                public void onClick(View view) {
input1= e1.getText().toString(); //input1로 e1에 입력한 글씨를 초기화
Intentintent1= new Intent(getApplicationContext(), ShowMe.class);
                        if (Integer.parseInt(input1) == 1) {
imageView1.setImageResource(R.drawable.p1);
startActivity(intent1);
                        }
                        else  if (Integer.parseInt(input1)==2){
imageView1.setImageResource(R.drawable.p2);
startActivity(intent1);
                        }
else {
Toast.makeText(getApplicationContext(),"다시 입력하세요", Toast.LENGTH_SHORT).show();
                        }
                }
            });
    }
}

ShowMe.java

package com.jangdol.intenttest00;
  
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
  
public class ShowMe extends AppCompatActivity{
  
    Button b1;
    protected void onCreate (Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.sub1);
  
        b1 = (Button) findViewById(R.id.button1);
        b1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                finish();
            }
        });
    }
}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jangdol.intenttest00">
  
    <application
        android:allowBackup="true"
        android:icon="@drawable/praise"
        android:label="기쁨으로 찬양"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
  
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
  
        <activity android:name=".ShowMe"
            android:screenOrientation="portrait"/>
    </application>
  
</manifest>

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">
  
    <TextView
        android:id="@+id/t1"
        android:layout_width="370dp"
        android:layout_height="wrap_content"
        android:layout_alignParentEnd="true"
        android:layout_alignParentTop="true"
        android:layout_marginTop="14dp"
        android:text="짱돌의 어플을 사용해주셔서 감사합니다!"
        android:textSize="22sp" />
  
    <EditText
        android:id="@+id/e1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginStart="44dp"
        android:layout_marginTop="204dp"
        android:hint="원하시는 장 수를 입력해주세요." />
  
    <Button
        android:id="@+id/button1"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="61dp"
        android:layout_height="wrap_content"
        android:layout_alignTop="@+id/e1"
        android:layout_toEndOf="@+id/e1"
        android:text="이동" />
  
</RelativeLayout>

sub1.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.jangdol.intenttest00.MainActivity">
  
  
    <ImageView
        android:id="@+id/imageView1"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="match_parent"
        android:layout_height="520dp"
        android:src="@drawable/p1" />
  
    <Button
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="돌아가기"
        android:layout_gravity="center"
        android:id="@+id/button1"/>
  
</LinearLayout>

안드로이드 스튜디오 질문입니다!

MainActivity.java

ShowMe.java

AndroidManifest.xml

activity_main.xml

sub1.xml

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