Java 파일


package dfdfdfc.ll;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class FdfdfdfActivity extends Activity {
    /** Called when the activity is first created. */
Button btn;
EditText edt;
TextView txt;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        
        edt=(EditText)findViewById(R.id.edit1);
        btn=(Button)findViewById(R.id.button1);
        
        
        btn.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Context mContext = FdfdfdfActivity.this;
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(LAYOUT_INFLATER_SERVICE);
View layout = inflater.inflate(R.layout.custom_dialog,(ViewGroup) findViewById(R.id.layout_root));
AlertDialog.Builder aDialog = new AlertDialog.Builder(FdfdfdfActivity.this);
aDialog.setTitle("현재 페이지");
aDialog.setView(layout);
aDialog.setPositiveButton("확인", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
String str = edt.getText().toString();
txt.setText(str);
}
});
aDialog.setNegativeButton("취소", null);
AlertDialog ad = aDialog.create();
ad.show();
}
});        

    }
}


coustom_dailog.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/layout_root"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center" >

    <EditText
        android:id="@+id/editText1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" 
        android:inputType="number"
        android:digits="0123456789"
        android:hint="ex) 이동하실페이지를 입력하세요.">

    </EditText>

</LinearLayout>


안녕하세요.. 커스텀을 만들고 셋뷰를 시켰는데

검은색 두꺼운 부분에 값이 자꾸 " "이렇게 들어와 App 종료가 되는현상이 발생하고있습니다.ㅠ

왜 그런지 이유를 알고 싶습닏. 
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