Email – 蓝天白云

本例主要是使用了Intent对象的隐式调用方式，设置intent的Action, Data和Extra来传递的相关的信息

activity布局代码如下：

<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" >

    <EditText
        android:id="@+id/txtReceiver"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_alignParentTop="true"
        android:layout_toRightOf="@+id/textView1"
        android:ems="10"
        android:inputType="textEmailAddress"
        android:text="yourmail@svn1.bcoder.com" />

    <EditText
        android:id="@+id/txtEmailContent"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentRight="true"
        android:layout_below="@+id/txtReceiver"
        android:ems="10"
        android:gravity="top"
        android:inputType="textMultiLine"
        android:lines="10"
        android:text="Here is the bodytext!" />

    <Button
        android:id="@+id/button1"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_below="@+id/txtEmailContent"
        android:layout_marginRight="31dp"
        android:layout_marginTop="16dp"
        android:onClick="callEmailApp"
        android:text="Call" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBaseline="@+id/txtReceiver"
        android:layout_alignBottom="@+id/txtReceiver"
        android:layout_alignParentLeft="true"
        android:text="Receiver:"
        android:textAppearance="?android:attr/textAppearanceMedium" />

</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" >

<EditText

android:id="@+id/txtReceiver"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentRight="true"

android:layout_alignParentTop="true"

android:layout_toRightOf="@+id/textView1"

android:ems="10"

android:inputType="textEmailAddress"

android:text="yourmail@svn1.bcoder.com" />

<EditText

android:id="@+id/txtEmailContent"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentLeft="true"

android:layout_alignParentRight="true"

android:layout_below="@+id/txtReceiver"

android:ems="10"

android:gravity="top"

android:inputType="textMultiLine"

android:lines="10"

android:text="Here is the bodytext!" />

<Button

android:id="@+id/button1"

style="?android:attr/buttonStyleSmall"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentRight="true"

android:layout_below="@+id/txtEmailContent"

android:layout_marginRight="31dp"

android:layout_marginTop="16dp"

android:onClick="callEmailApp"

android:text="Call" />

<TextView

android:id="@+id/textView1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignBaseline="@+id/txtReceiver"

android:layout_alignBottom="@+id/txtReceiver"

android:layout_alignParentLeft="true"

android:text="Receiver:"

android:textAppearance="?android:attr/textAppearanceMedium" />

</RelativeLayout>

类代码如下：

package com.bcoder.callmailapp;

import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.support.v4.app.NavUtils;

public class MainActivity extends Activity {

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

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

    public void callEmailApp(View view){
    	EditText txtReceiver = (EditText)findViewById(R.id.txtReceiver);
    	EditText txtContent = (EditText)findViewById(R.id.txtEmailContent);
    	Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("mailto:" + txtReceiver.getText().toString()));
    	intent.putExtra(Intent.EXTRA_SUBJECT, "Welcome to bcoder.com");
    	intent.putExtra(Intent.EXTRA_BCC, "bcc@svn1.bcoder.com");
    	intent.putExtra(Intent.EXTRA_CC, "cc@svn1.bcoder.com");
    	intent.putExtra(Intent.EXTRA_TEXT, txtContent.getText().toString());
    	intent.putExtra(Intent.EXTRA_EMAIL, new String[]{"coder1@svn1.bcoder.com", "coder2@svn1.bcoder.com"});
    	startActivity(intent);
    }

}

package com.bcoder.callmailapp;

import android.net.Uri;

import android.os.Bundle;

import android.app.Activity;

import android.content.Intent;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.EditText;

import android.support.v4.app.NavUtils;

public class MainActivity extends Activity {

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

getMenuInflater().inflate(R.menu.activity_main, menu);

return true;

}

public void callEmailApp(View view){

EditText txtReceiver = (EditText)findViewById(R.id.txtReceiver);

EditText txtContent = (EditText)findViewById(R.id.txtEmailContent);

Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("mailto:" + txtReceiver.getText().toString()));

intent.putExtra(Intent.EXTRA_SUBJECT, "Welcome to bcoder.com");

intent.putExtra(Intent.EXTRA_BCC, "bcc@svn1.bcoder.com");

intent.putExtra(Intent.EXTRA_CC, "cc@svn1.bcoder.com");

intent.putExtra(Intent.EXTRA_TEXT, txtContent.getText().toString());

intent.putExtra(Intent.EXTRA_EMAIL, new String[]{"coder1@svn1.bcoder.com", "coder2@svn1.bcoder.com"});

startActivity(intent);

}

本代码调试环境：

* Eclipse: Indigo Service Release 2
* Android SDK: 4.0(API LEVEL 14)

点击这里下载CallMailApp

注意：

1. 如果你还没有在你的手机或者AVD上创建相关的email帐户，运行此程序时会提示Unsupported action(不支持的Action)!

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