android实现发送邮件

package com.xxg.sendmail;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class SendMailActivity extends Activity {

String myReciver;					//收件人
String mySubject;					//主题
String myCc;						//副本
String myBody;					//邮件内容
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

Button send=(Button)findViewById(R.id.send);

send.setOnClickListener(new OnClickListener(){

@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
EditText reciver=(EditText)findViewById(R.id.reciver);
EditText subject=(EditText)findViewById(R.id.subject);
EditText cc=(EditText)findViewById(R.id.cc);
EditText body=(EditText)findViewById(R.id.body);

myReciver=reciver.getText().toString();
mySubject=subject.getText().toString();
myCc=cc.getText().toString();
myBody=body.getText().toString();

Intent myIntent=new Intent(android.content.Intent.ACTION_SEND);
myIntent.setType("plain/text");//设置邮件格式

myIntent.putExtra(android.content.Intent.EXTRA_EMAIL, myReciver);
myIntent.putExtra(android.content.Intent.EXTRA_CC, myCc);
myIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, mySubject);
myIntent.putExtra(android.content.Intent.EXTRA_TEXT, myBody);
startActivity(Intent.createChooser(myIntent, "标题"));
}

});
}
}

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

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="收件人"
/>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/reciver"/>
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="主题"
/>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/subject"/>
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="副本"
/>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/cc"/>
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="内容"
/>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/body"/>
</LinearLayout>

<Button
android:id="@+id/send"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="发送"

/>
</LinearLayout>