package com.test.smsmangerdemo.sendsmsactivity;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.content.Intent;

import android.app.PendingIntent;

import android.telephony.SmsManager;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

/**

 *发送短信实例

 */

public class SendSmsActivity extends AppCompatActivity {

    EditText phone, content;

    Button send;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_send_sms);

        //获取 SMSManger管理器

        final SmsManager smsManager = SmsManager.getDefault();

        //初始化控件

        phone = (EditText) findViewById(R.id.et_phone);

        content = (EditText) findViewById(R.id.et_content);

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

        send.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                //创建一个 android.app.PendingIntent 对象

                PendingIntent pi = PendingIntent.getActivity(SendSmsActivity.this, 0, new Intent(), 0);

                //发送短信

                smsManager.sendTextMessage(phone.getText().toString(), null, content.getText().toString(),

                        pi, null);

                //提示短信发送完成

                Toast.makeText(SendSmsActivity.this, "短信发送完成", Toast.LENGTH_SHORT).show();

            }

        });

    }

}

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.test.smsmangerdemo.sendsmsactivity" >

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

    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:supportsRtl="true"

        android:theme="@style/AppTheme" >

        <activity android:name=".SendSmsActivity" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

 <LinearLayout

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"

android:orientation="vertical"

tools:context="com.test.smsmangerdemo.sendsmsactivity.SendSmsActivity">

<LinearLayout

    android:layout_width="match_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:id="@+id/et_phone"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_marginLeft="10dp"/>

</LinearLayout>

<LinearLayout

    android:layout_width="match_parent"

    android:layout_height="wrap_content"

    android:layout_marginTop="10dp"

    android:orientation="horizontal">

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="发送内容"/>

    <EditText

        android:id="@+id/et_content"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_marginLeft="10dp"

        android:gravity="top"

        android:lines="5"

        android:text="你好"/>

</LinearLayout>

<Button

    android:layout_gravity="center_horizontal"

    android:layout_width="wrap_content"

    android:layout_height="wrap_content"

    android:text="发送"

    android:id="@+id/btn_send"

    />

</LinearLayout>