07（2）

package com.example.data;

import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import android.content.Intent;
import android.os.Bundle;

public class MainActivity extends ActionBarActivity implements OnClickListener {
       private EditText et1;
       private TextView tv2;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);    
         Button btn=(Button)findViewById(R.id.button1);
         btn.setOnClickListener(this);
         et1 = (EditText) findViewById(R.id.editText1);
        
         
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        // TODO Auto-generated method stub 
        tv2= (TextView) findViewById(R.id.textView2);
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == 1 && resultCode == 2) {
            String adate = data.getStringExtra("data");
            String cz = "您充值了" + adate + "元";
            Toast.makeText(MainActivity.this, cz, Toast.LENGTH_LONG).show();;
        }
        else  if (requestCode == 1 && resultCode == 3) {
            String accdate = "充值失败";
            Toast.makeText(MainActivity.this, accdate, Toast.LENGTH_LONG).show();
        }
    }
        
    
    
    public void onClick(View v) {
        Intent intent = new Intent(this,ScendActivity.class);        
        String phone = et1.getText().toString();
        intent.putExtra("p",phone );
         startActivityForResult(intent,1);
    }        
    
}

<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="com.example.data.MainActivity" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginTop="50dp"
        android:text="输入手机号码:"
        android:textSize="20dp" />

    <EditText
        android:id="@+id/editText1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBaseline="@+id/textView1"
        android:layout_alignBottom="@+id/textView1"
        android:layout_toRightOf="@+id/textView1"
        android:ems="10" >

        <requestFocus />
    </EditText>

   <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="164dp"
        android:text="充值" />



</RelativeLayout>

package com.example.data;

import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.content.Intent;
import android.os.Bundle;
public class ScendActivity extends ActionBarActivity  implements OnClickListener{
     private TextView tv;
     private EditText et2;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.scend);
        Button bt2= (Button) findViewById(R.id.button2);
        Button bt3=(Button) findViewById(R.id.button3);
        et2=(EditText)findViewById(R.id.editText2);
// TODO Auto-generated method stub
        final Intent intent = getIntent();
        Bundle bundle=intent.getExtras();//.getExtras()得到intent所附带的额外数据  
        String p=bundle.getString("p");//getString()返回指定key的值  
        tv=(TextView) findViewById(R.id.textView3);   
        tv.setText(p);
        bt2.setOnClickListener(new View.OnClickListener() {
            
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                String Data=et2.getText().toString();
                Intent intent=new Intent();
                intent.putExtra("data", Data);
                setResult(2,intent);
                finish();
            }
        });
        bt3.setOnClickListener(new OnClickListener() {
            
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
            Intent intent=new Intent();
            setResult(3,intent);
            finish();
            }
        });
    }

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        
    }

}

<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="com.example.data.ScendActivity" >

    <TextView
        android:id="@+id/textView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/textView1"
        android:layout_alignTop="@+id/textView1"
        android:layout_centerHorizontal="true"
        android:text="  " />

    <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_toRightOf="@+id/textView3"
        android:text="取消充值" />

    <TextView
        android:id="@+id/textView4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignRight="@+id/button3"
        android:layout_alignTop="@+id/textView3"
        android:text="充值"
        android:textSize="20dp" />

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignRight="@+id/textView5"
        android:layout_below="@+id/editText2"
        android:layout_marginTop="97dp"
        android:text="充值" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_above="@+id/textView5"
        android:layout_alignLeft="@+id/textView5"
        android:text="你要为:"
        android:textSize="20dp" />

    <EditText
        android:id="@+id/editText2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignTop="@+id/textView5"
        android:layout_toRightOf="@+id/textView5"
        android:ems="10" />

    <TextView
        android:id="@+id/textView5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/textView4"
        android:layout_marginTop="74dp"
        android:text="充值金额:"
        android:textSize="20dp" />

</RelativeLayout>