package com.reseach;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.Toast;

public class MakeRsch extends Activity {
 
 
 int qNum = 0;
 
 int getQnum(){
  return qNum;
 }
 
 void plusQnum(){
  this.qNum++;
 }

 /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     setContentView(R.layout.make_rsch);
     
     final int maxQnum = 10;
     
     final LinearLayout lr = (LinearLayout)findViewById(R.id.lr_mk);
     
     final LinearLayout lr_btn[] = new LinearLayout[maxQnum];
     final LinearLayout lr_ex[] = new LinearLayout[maxQnum];
     final EditText etQ[] = new EditText[maxQnum];
     final Button btnType[][] = new Button[maxQnum][2];
     final EditText etEx[][] = new EditText[maxQnum][4];
     final EditText etDscp[] = new EditText[maxQnum];
     
     
     findViewById(R.id.btn_addQ).setOnClickListener(new OnClickListener() {
   public void onClick(View arg0) {
    int i = getQnum();
    if(i <= maxQnum){
     
     lr_btn[i] = new LinearLayout(MakeRsch.this);//inner레이아웃(버튼정렬)
     lr_btn[i].setOrientation(LinearLayout.HORIZONTAL);
     
     lr_ex[i] = new LinearLayout(MakeRsch.this);
     lr_ex[i].setOrientation(LinearLayout.VERTICAL);
     
     etQ[i] = new EditText(MakeRsch.this);//질문란

     
     btnType[i][0] = new Button(MakeRsch.this);//응답형식 선택버튼1
      btnType[i][0].setText("4지선다");
      LinearLayout.LayoutParams btnParams = new LinearLayout.LayoutParams(
        LinearLayout.LayoutParams.WRAP_CONTENT,
        LinearLayout.LayoutParams.WRAP_CONTENT);
      btnParams.weight=1;
      btnType[i][0].setLayoutParams(btnParams);
      btnType[i][0].setOnClickListener(new OnClickListener() {
          public void onClick(View arg0) {
           int i = getQnum();
           
        etEx[i][0] = new EditText(MakeRsch.this); //4지선다 et
        etEx[i][1] = new EditText(MakeRsch.this);
        etEx[i][2] = new EditText(MakeRsch.this);
        etEx[i][3] = new EditText(MakeRsch.this);

        lr_ex[i].addView(etEx[i][0]);  ← 에러
        lr_ex[i].addView(etEx[i][1]);
        lr_ex[i].addView(etEx[i][2]);
        lr_ex[i].addView(etEx[i][3]);
        
        lr_ex[i].removeView(etDscp[i]);
          }
      });
      
      
     btnType[i][1] = new Button(MakeRsch.this);//응답형식 선택버튼2
      btnType[i][1].setText("서술");
      LinearLayout.LayoutParams btnParams2 = new LinearLayout.LayoutParams(
        LinearLayout.LayoutParams.WRAP_CONTENT,
        LinearLayout.LayoutParams.WRAP_CONTENT);
      btnParams2.weight=1;
      btnType[i][1].setLayoutParams(btnParams2);
      btnType[i][1].setOnClickListener(new OnClickListener() {
       public void onClick(View arg0) {
        int i = getQnum();
        
        etDscp[i] = new EditText(MakeRsch.this); //서술 et
        
        lr_ex[i].addView(etDscp[i]);
        
        lr_ex[i].removeView(etEx[i][0]);
        lr_ex[i].removeView(etEx[i][1]);
        lr_ex[i].removeView(etEx[i][2]);
        lr_ex[i].removeView(etEx[i][3]);
       }
      });
     
      
     lr_btn[i].addView(btnType[i][0]);//inner layout에 버튼 add
     lr_btn[i].addView(btnType[i][1]);
     
     lr.addView(etQ[i]);//질문란 add
     lr.addView(lr_btn[i]);//버튼감싼layout add
     lr.addView(lr_ex[i]);
     
     plusQnum();//qnum 증가
     
    }else{
     Toast.makeText(MakeRsch.this, "더이상 추가할 수 없습니다", Toast.LENGTH_SHORT).show();
    }
   }
  });
 }
 
 

}

 02-14 14:35:36.000: E/AndroidRuntime(2627): FATAL EXCEPTION: main

02-14 14:35:36.000: E/AndroidRuntime(2627): java.lang.NullPointerException

02-14 14:35:36.000: E/AndroidRuntime(2627): at com.reseach.MakeRsch$1$1.onClick(MakeRsch.java:81)

02-14 14:35:36.000: E/AndroidRuntime(2627): at android.view.View.performClick(View.java:2408)

02-14 14:35:36.000: E/AndroidRuntime(2627): at android.view.View$PerformClick.run(View.java:8817)

02-14 14:35:36.000: E/AndroidRuntime(2627): at android.os.Handler.handleCallback(Handler.java:587)

02-14 14:35:36.000: E/AndroidRuntime(2627): at android.os.Handler.dispatchMessage(Handler.java:92)

02-14 14:35:36.000: E/AndroidRuntime(2627): at android.os.Looper.loop(Looper.java:144)

02-14 14:35:36.000: E/AndroidRuntime(2627): at android.app.ActivityThread.main(ActivityThread.java:4937)

02-14 14:35:36.000: E/AndroidRuntime(2627): at java.lang.reflect.Method.invokeNative(Native Method)

02-14 14:35:36.000: E/AndroidRuntime(2627): at java.lang.reflect.Method.invoke(Method.java:521)

02-14 14:35:36.000: E/AndroidRuntime(2627): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)

02-14 14:35:36.000: E/AndroidRuntime(2627): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)

02-14 14:35:36.000: E/AndroidRuntime(2627): at dalvik.system.NativeStart.main(Native Method)