Android发送短信

源码：
package com.example.sms;

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

public class MainActivity extends Activity {

PendingIntent paIntent;
SmsManager smsManager;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
paIntent = PendingIntent.getBroadcast(this, 0, new Intent(), 0); 
smsManager = SmsManager.getDefault();

Button Btn1 = (Button)findViewById(R.id.button1);//获取按钮资源 

Btn1.setOnClickListener(new Button.OnClickListener(){//创建监听 
public void onClick(View v) { 
smsManager.sendTextMessage("15211362665", null, "这条短信是自动发送的", paIntent, 
null); 
} 
}); 

}


@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}


Manifest文件

<?xmlversion="1.0"encoding="utf-8"?>
<manifestxmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.sms"
    android:versionCode="1"
    android:versionName="1.0">

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="18"/>

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme">
        <activity
            android:name="com.example.sms.MainActivity"
            android:label="@string/app_name">
            <intent-filter>
                <actionandroid:name="android.intent.action.MAIN"/>

                <categoryandroid:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
    </application>

    <uses-permissionandroid:name="android.permission.SEND_SMS"></uses-permission>
    
</manifest>