Eighth operations -1

package com.example.chongzhilianxi;

import android.os.Bundle;



import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
    
    //点按钮开启第二个窗口
    public void click(View v){
        Intent intent=new Intent(this,SecondActiviy.class);        
        startActivityForResult(intent, 1);
        
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
        TextView tv1=(TextView)findViewById(R.id.tv1);
        String z=intent.getStringExtra("您充值了");
        String s=intent.getStringExtra("充值失败");
        if(requestCode==1) {
             Switch (the resultCode) {
             Case 2 : 
                 tv1.setText ( "you are the top" + Z); 
             // Toast.makeText (the this, intent.getStringExtra (Z), 0) the .Show (); 
                BREAK ;
             Case . 3 : 
                tv1.setText ( "recharge failure" ); 
                  // Toast.makeText (the this, intent.getStringExtra (S), 0) the .Show ();
                   // Toast.makeText (the this, "recharge failure", 0) .show ( ); 
                BREAK ;             
            } 
        } 
    } 

    

}

package com.example.chongzhilianxi;

import android.os.Bundle;


import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.widget.Toast;

public class SecondActiviy extends Activity  {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.second);
    } 


    Public  void the Click (View V) { 
         the EditText X = (the EditText) the findViewById (R.id.et1); 
         String the txt1 = x.getText () toString ();.
         Switch (v.getId ()) {
         // If the point the buttons are Button2 
        Case R.id.button2:         
            the Intent the Intent = new new the Intent (); 
            intent.putExtra ( "your top-up" , txt1); 
            setResult ( 2, the Intent); // result code is 2, the result of what the code mark It is which button to press to go back to the 
            Finish (); // close the current window 
            BREAK ; 
            
        Case R.id.button3:            
            Intent = new new  the Intent ();
            intent.putExtra ( "recharge failure", 0 ); 
            setResult ( . 3, Intent); // result code. 3 
            finish (); // after finish click on the current window immediately closed, the back window method onActivityResult 
            BREAK ; 
            
        } 

    } 


}

<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=".MainActivity" >

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/et2"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="122dp"
        android:text="充值"
        android:onClick="click" />

    <EditText
        android:id="@+id/et2"
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:layout_marginTop="55dp"
        android:background="#ffffff"
        android:ems="10"
        android:paddingLeft="20dp"
         android:hint="手机号码：" >

        <requestFocus />
    </EditText>

    <TextView
        android:id="@+id/tv1"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:layout_alignLeft="@+id/et2"
        android:layout_alignRight="@+id/et2"
        android:layout_below="@+id/button1"
        android:layout_marginLeft="33dp"
        android:layout_marginTop="19dp"
        android:gravity="center"
        android:textSize="20sp"
        android:textStyle="italic" />

</RelativeLayout>

<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=".SecondActiviy" >

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_marginBottom="66dp"
        android:layout_toLeftOf="@+id/button3"
        android:onClick="click"
        android:text="充值" />
   

    <Button
        android:id="@+id/button3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBaseline="@+id/button2"
        android:layout_alignBottom="@+id/button2"
        android:layout_alignParentRight="true"
        android:layout_marginRight="92dp"
        android:onClick="click"
        android:text="取消充值" />

      <EditText
          android:id="@+id/et1"
          android:layout_width="match_parent"
          android:layout_height="40dp"
          android:layout_alignParentTop="true"
          android:layout_centerHorizontal="true"
          android:layout_marginTop="110dp"
          android:background="#ffffff"
          android:ems="10"
          android:hint="充值金额："
          android:paddingLeft="20dp" >

          <requestFocus />
      </EditText>

      <TextView
          android:id="@+id/tv1"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_alignLeft="@+id/button2"
          android:layout_alignParentTop="true"
          android:layout_marginTop="61dp"
          android:gravity="center"= "You To: XXXXX recharge"
          Android: text
          android:textSize="20sp"
          android:textStyle="italic" />

</RelativeLayout>