проблема открытия xml страница

Question

Я создал два класса java и две xml-страницы. Я пытаюсь, когда кнопка onclick одного класса, откройте другой класс. открытие афера, страница memo.xml, показывающая пробел. см. Следующий код. пожалуйста, помогите мне

Мои login.java Страница:

package quesansw.the1; 
import android.app.Activity; 
import android.app.Dialog; 
import android.content.Intent; 
import android.database.Cursor; 
import android.database.sqlite.SQLiteDatabase; 
import android.os.Bundle; 
import android.text.Editable; 
import android.view.View; 
import android.view.Window; 
import android.view.WindowManager; 
import android.widget.Button; 
import android.widget.EditText; 
import android.widget.Toast; 

public class Login extends Activity{ 

    SQLiteDatabase db; 
    int z,i=0; 
    String[] arr = new String[3]; 
public void onCreate(Bundle savedInstanceState) { 

     super.onCreate(savedInstanceState); 

     db = openOrCreateDatabase("mydatabase.db", 
       SQLiteDatabase.CREATE_IF_NECESSARY, null); 

     final Dialog d1 = new Dialog(this); 
     Window window = d1.getWindow(); 
     window.setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND, 
       WindowManager.LayoutParams.FLAG_BLUR_BEHIND); 

     d1.setTitle("Login"); 

     d1.setContentView(R.layout.login); 

     d1.show(); 
     Button registerques1 = (Button) d1.findViewById(R.id.registerques1); 
     EditText ques = (EditText) d1.findViewById(R.id.question); 


     Cursor cur= db.rawQuery("select * from questions1",null); 
     cur.moveToNext(); 
     System.out.println(cur.getString(0)); 
     System.out.println(cur.getString(1)); 
     ques.append(cur.getString(0)); 

     Cursor c = db.rawQuery("SELECT * from questions1", null); 

     if (c != null) { 
      if (c.moveToFirst()) { 
       do { 
        String firstName = c.getString(c.getColumnIndex("question")); 
        String Name = c.getString(c.getColumnIndex("answer")); 

        arr[i]=firstName; 
        i++; 
        }while (c.moveToNext()); 
      } 
     } 


     for(z=0;z<2;z++) 
     { 
      registerques1.setOnClickListener(new View.OnClickListener() { 

      public void onClick(View v) 
      { 

       if(z == 2) 
       { 
       Cursor cur= db.rawQuery("select * from questions1",null); 
       cur.moveToNext(); 
       EditText ques = (EditText) d1.findViewById(R.id.question); 
       EditText ans = (EditText) d1.findViewById(R.id.answer); 
       Editable newTxt=(Editable)ans.getText(); 
       String str = newTxt.toString(); 
       int l=str.length(); 
       int l1=cur.getString(1).length(); 
       int l2=l-l1; 
       ques.setText(arr[0]); 
       ans.setText(""); 
       if(l2 == 0) 
       { 
        z=5; 
       } 
       } 

       if(z == 5) 
       { 
        EditText ques = (EditText) d1.findViewById(R.id.question); 
        ques.setText(arr[1]); 
        Cursor cur= db.rawQuery("select * from questions1 where question='"+arr[1]+"' ",null); 
        cur.moveToNext(); 
        //ques.setText(); 

        EditText ans = (EditText) d1.findViewById(R.id.answer); 
        System.out.println("------"+ans.getText()); 
        Editable newTxt=(Editable)ans.getText(); 
        String str = newTxt.toString(); 
        int l=str.length(); 
        int l1=cur.getString(1).length(); 
        int l2=l-l1; 
        ques.setText(arr[1]); 
        ans.setText(""); 
        /*ques.setText(arr[2]); 
        ans.setText("");*/ 
        if(l2 == 0) 
        { 
         /*Intent intent = new Intent(getBaseContext(), Memo.class); 
         startActivity(intent);*/ 
         z=6; 
        } 

       } 

       if(z == 6) 
       { 
        EditText ques = (EditText) d1.findViewById(R.id.question); 
        ques.setText(arr[2]); 
        Cursor cur= db.rawQuery("select * from questions1 where question='"+arr[2]+"' ",null); 
        cur.moveToNext(); 

        EditText ans = (EditText) d1.findViewById(R.id.answer); 
        System.out.println("------"+ans.getText()); 
        Editable newTxt=(Editable)ans.getText(); 
        String str = newTxt.toString(); 
        int l=str.length(); 
        int l1=cur.getString(1).length(); 
        //System.out.println(l+l1); 
        int l2=l-l1; 
        ques.setText(arr[2]); 
        ans.setText(""); 
        if(l2 == 0) 
        { 
         System.out.println("memo-----"); 
         Intent intent = new Intent(getBaseContext(), Memo.class); 
         startActivity(intent); 
        } 

       } 


      } 
     }); 

     } 

} 
} 

login.xml

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

<TextView android:text="Question1" android:id="@+id/TextView01" android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView> 
<EditText android:id="@+id/question" android:layout_width="match_parent" android:layout_height="wrap_content" android:text=""></EditText> 
<EditText android:id="@+id/answer" android:layout_width="match_parent" android:layout_height="wrap_content" android:text=""></EditText> 

<Button android:id="@+id/registerques1" android:layout_width="wrap_content" android:text="registerques" android:layout_height="wrap_content"></Button> 

</LinearLayout> 

Memo.java

package quesansw.the1; 

import android.app.Activity; 
import android.app.Dialog; 
import android.content.Intent; 
import android.os.Bundle; 
import android.view.View; 
import android.view.Window; 
import android.view.WindowManager; 
import android.widget.Button; 

public class Memo extends Activity{ 

    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 

     final Dialog d1 = new Dialog(this); 
     Window window = d1.getWindow(); 
     window.setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND, 
       WindowManager.LayoutParams.FLAG_BLUR_BEHIND); 

     d1.setTitle("Register Questions"); 

     d1.setContentView(R.layout.memo); 

     Button view = (Button) d1.findViewById(R.id.view); 
     view.setOnClickListener(new View.OnClickListener() { 
      public void onClick(View v) 
      { 
       /*Intent intent = new Intent(getBaseContext(), View.class); 
       startActivity(intent);*/ 
      } 
    }); 
} 
} 

memo.xml

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

<TextView android:text="Titile" android:id="@+id/TextView01" android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView> 
<EditText android:id="@+id/question" android:layout_width="match_parent" android:layout_height="wrap_content" android:text=""></EditText> 
<TextView android:text="Text" android:id="@+id/TextView01" android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView> 
<EditText android:minLines="6" android:maxLines="10" android:id="@+id/answer" android:layout_width="match_parent" android:layout_height="wrap_content" android:text=""></EditText> 
<TableLayout android:layout_height="wrap_content" 
     android:layout_width="wrap_content" android:layout_gravity="center" 
     android:stretchColumns="*"> 
<TableRow> 
<Button android:id="@+id/add" android:layout_width="wrap_content" android:text="ADD" android:layout_height="wrap_content"></Button> 
<Button android:id="@+id/view" android:layout_width="wrap_content" android:text="VIEW" android:layout_height="wrap_content"></Button> 
</TableRow> 
</TableLayout> 
</LinearLayout> 

Answer 1

Вы не вызвали метод show() для своего диалога.

Добавить d1.show() в конце вашего onCreate() метода