android 发送e-mail实例

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="这是一个发送Email的示例"/>
<LinearLayout android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="收信人"/>
<EditText android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/ed_receiver"
android:hint="输入收信人Email"/>
</LinearLayout>

<LinearLayout android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="主 题"/>
<EditText android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/ed_emailSubject"
android:hint="输入信件主题"/>
</LinearLayout>
<EditText android:layout_width="fill_parent"
android:layout_height="250px"
android:id="@+id/ed_emailBody"
android:hint="输入新建内容"/>
<Button android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/bt_send"
android:text="发  送"/>

</LinearLayout>

package com.example.ch10;

import com.example.baseexample.R;

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

public class EmailActivity extends Activity {
private EditText ed_receiver,ed_emailSubject,ed_emailBody;
private Button bt_send;

public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.ch10_email);

ed_receiver = (EditText)findViewById(R.id.ed_receiver);
ed_emailSubject = (EditText)findViewById(R.id.ed_emailSubject);
ed_emailBody = (EditText)findViewById(R.id.ed_emailBody);
bt_send = (Button)findViewById(R.id.bt_send);

bt_send.setOnClickListener(new Button.OnClickListener(){

@Override
public void onClick(View arg0) {
String[] emailReciver = new String[]{ed_receiver.getText().toString()};
String emailSubject = ed_emailSubject.getText().toString();
String emailBody = ed_emailBody.getText().toString();

Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND);
emailIntent.setType("plain/text");
emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL, emailReciver);
emailIntent.putExtra(android.content.Intent.EXTRA_CC, "test");
emailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, emailSubject);
emailIntent.putExtra(android.content.Intent.EXTRA_TEXT, emailBody);
startActivity(Intent.createChooser(emailIntent, "mail test"));
}

});
}
}