Android demo之发送短信

<?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" >

<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/phoneNum" />
<EditText
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/mobile" />
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/content" />

<EditText
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/content"
android:minLines="6"
android:gravity="top|left"/>
<Button
android:id="@+id/btn"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/btn" />

</LinearLayout>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.smsdemo"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
android:minSdkVersion="7"
android:targetSdkVersion="8" />
<uses-permission android:name="android.permission.SEND_SMS"/>

<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity android:name=".SMSActivity">
<intent-filter >
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>

</activity>
</application>

</manifest>

package com.smsdemo;

import java.util.List;

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

public class SMSActivity extends Activity {

private EditText et1 ;
private EditText et2 ;
private Button btn;

private PendingIntent pintent;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

et1 = (EditText) findViewById(R.id.mobile);
et2 = (EditText) findViewById(R.id.content);
btn = (Button) findViewById(R.id.btn);
pintent = PendingIntent.getBroadcast(this, 0, new Intent(), 0);
btn.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
SmsManager sm = SmsManager.getDefault();

List<String> msgs=sm.divideMessage(et2.getText().toString());
for(String msg:msgs){
sm.sendTextMessage(et1.getText().toString(), null, msg, pintent, null);
}

}
});
Toast.makeText(this, et1.getText().toString()+"成功接收信息hello", Toast.LENGTH_LONG).show();

}
}