Android使用Intent发送短信SMS

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SMS全称为短讯服务(Short Messaging Service)

两种发送短信方式:

方法一、使用Intent发送短信

Intent smsIntent = new Intent();smsIntent.setAction(Intent.ACTION_VIEW);smsIntent.putExtra("sms_body", "默认内容哈哈。");smsIntent.setType("vnd.android-dir/mms-sms");startActivity(smsIntent);

方法二、使用SmsManager API

SmsManager smsManager = SmsManager.getDefault();smsManager.sendTextMessage(phoneNum, null, message, null, null);



第一种,使用Intent发送短信:

1、布局文件xml:

就一个按钮

<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"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".MainActivity" >    <Button        android:id="@+id/sendBtn"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="@string/desc_info" /></RelativeLayout>


2、File: MainActivity.java

package com.jiangge.sendsmsdeom;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.widget.Button;public class MainActivity extends Activity {Button mSendBtn;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mSendBtn = (Button) findViewById(R.id.sendBtn);mSendBtn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Intent smsIntent = new Intent();smsIntent.setAction(Intent.ACTION_VIEW);smsIntent.putExtra("sms_body", "猎头,吃饭没有");smsIntent.setType("vnd.android-dir/mms-sms");startActivity(smsIntent);}});}}


3、发送短信需要权限

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


4、效果图:



5554 向 5556发送短信




第二种:使用SmsManager API

1、布局文件 xml:

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/linearLayout1"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <TextView        android:id="@+id/phoneNum"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="输入电话号码 : "        android:textAppearance="?android:attr/textAppearanceLarge" />    <EditText        android:id="@+id/editPhoneNum"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:inputType="phone" >    </EditText>    <TextView        android:id="@+id/SMSLabel"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="输入短信内容:"        android:textAppearance="?android:attr/textAppearanceLarge" />    <EditText        android:id="@+id/editSMS"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:inputType="textMultiLine"        android:lines="5"        android:gravity="top" />    <Button        android:id="@+id/sendBtn"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="发送" /></LinearLayout>


2、File:

package com.jiangge.sendsmsdeom;import android.app.Activity;import android.os.Bundle;import android.telephony.SmsManager;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.Toast;public class MainActivity extends Activity {Button mSendBtn;EditText mEditPhoneNum;EditText mEditSMS;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mEditPhoneNum = (EditText) findViewById(R.id.editPhoneNum);mEditSMS = (EditText) findViewById(R.id.editSMS);mSendBtn = (Button) findViewById(R.id.sendBtn);mSendBtn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {String phoneNum = mEditPhoneNum.getText().toString().trim();String message = mEditSMS.getText().toString().trim();// TODO: if为空,弹出Toast,提示不能为空try {SmsManager smsManager = SmsManager.getDefault();smsManager.sendTextMessage(phoneNum, null, message, null, null);Toast.makeText(MainActivity.this, "发送成功", Toast.LENGTH_LONG).show();} catch (Exception e) {Toast.makeText(MainActivity.this, "发送失败,请再次尝试",Toast.LENGTH_LONG).show();e.printStackTrace();}}});}}

注:加入判断为空的逻辑

// 判断是否为空,空则弹出Toast,提示不能为空if (TextUtils.isEmpty(phoneNum) || TextUtils.isEmpty(message)) {Toast.makeText(MainActivity.this, "电话号码或者短信内容不能为空", Toast.LENGTH_LONG).show();return;}


注:如果短信内容过长,则发送不成功,中文短信字数限制为70个字,英文为160字,

所以,修改以上代码,若 message 过长,则分成多条短信发送

SmsManager smsManager = SmsManager.getDefault();ArrayList<String> contents= smsManager.divideMessage(message);for (String info: contents) {smsManager.sendTextMessage(phoneNum, null, info, null, null);Toast.makeText(MainActivity.this, "发送成功", Toast.LENGTH_LONG).show();}


3、发送短信需要权限

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


4、图片